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HC-5504B [INTERSIL]

EIA/ITU PABX SLIC with 40mA Loop Feed; EIA / ITU PABX SLIC与40毫安循环进
HC-5504B
型号： HC-5504B
厂家： Intersil    Intersil
描述：

EIA/ITU PABX SLIC with 40mA Loop Feed
EIA / ITU PABX SLIC与40毫安循环进
文件： 总9页 (文件大小：90K)
中文：  中文翻译
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HC-5504B  
Data Sheet  
July 1998  
File Number 2886.5  
EIA/ITU PABX SLIC with 40mA Loop Feed  
Features  
The Intersil SLIC incorporates many of the BORSHT functions  
on a single IC chip. This includes DC battery feed, a ring relay  
driver, supervisory and hybrid functions. This device is  
designed to maintain transmission performance in the  
presence of externally induced longitudinal currents. Using  
the unique Intersil dielectric isolation process, the SLIC can  
operate directly with a wide range of station battery voltages.  
• Pin for Pin Replacement for the HC-5504  
• Capable of 5V or 12V (V +) Operation  
B
• Monolithic Integrated Device  
• DI High Voltage Process  
• Compatible With Worldwide PBX Performance  
Requirements  
• Controlled Supply of Battery Feed Current for Short Loops  
(41mA)  
The SLIC also provides selective denial of power. If the PBX  
system becomes overloaded during an emergency, the SLIC  
will provide system protection by denying power to selected  
subscriber loops.  
• Internal Ring Relay Driver  
• Allows Interfacing With Negative Superimposed Ringing  
Systems  
The Intersil SLIC is ideally suited for the design of new digital  
PBX systems by eliminating bulky hybrid transformers.  
• Low Power Consumption During Standby  
• Switch Hook Ground Key and Ring Trip Detection  
Functions  
Ordering Information  
• Selective Denial of Power to Subscriber Loops  
PART  
NUMBER  
TEMP. RANGE  
o
( C)  
PACKAGE  
24 Ld CERDIP  
24 Ld CERDIP  
24 Ld PDIP  
PKG. NO.  
F24.6  
Applications  
HC1-5504B-5  
HC1-5504B-9  
HC3-5504B-5  
HC3-5504B-9  
HC4P5504B-5  
HC4P5504B-9  
HC9P5504B-5  
HC9P5504B-9  
0 to 75  
-40 to 85  
0 to 75  
• Solid State Line Interface Circuit for Analog and  
Digital PBX Systems  
F24.6  
E24.6  
• Direct Inward Dial (DID) Trunks  
• Voice Messaging PBXs  
• Related Literature  
-40 to 85  
0 to 75  
24 Ld PDIP  
E24.6  
28 Ld PLCC  
28 Ld PLCC  
24 Ld SOIC  
24 Ld SOIC  
N28.45  
N28.45  
M24.3  
M24.3  
-40 to 85  
0 to 75  
- AN549, The HC-5502S/4X Telephone Subscriber Line  
Interface Circuits (SLIC)  
-40 to 85  
- AN571, Using Ring Sync with HC-5502A and HC-5504  
SLICs  
Pinouts  
HC-5504B (PDIP, CERDIP, SOIC)  
HC-5504B (PLCC)  
TOP VIEW  
TOP VIEW  
TIP  
1
2
24 TX  
23 AG  
4
3
2
1
28 27 26  
RING  
RFS  
3
22  
21  
20  
C
R
4
V +  
RX  
+IN  
-IN  
25  
24  
23  
B
5
6
7
8
9
V +  
B
4
X
C
3
+IN  
C
3
5
DG  
N/C  
RS  
DG  
RS  
RD  
TF  
6
19 -IN  
22 N/C  
7
18 OUT  
8
17  
C
OUT  
21  
2
9
16 RC  
15 PD  
C
RD 10  
20  
19  
2
RF  
10  
11  
12  
TF  
11  
RC  
14 GKD  
13 SHD  
V -  
B
BG  
12 13 14 15 16 17 18  
CAUTION: These devices are sensitive to electrostatic discharge; follow proper IC Handling Procedures.  
http://www.intersil.com or 407-727-9207 | Copyright © Intersil Corporation 1999  
51  
HC-5504B  
Absolute Maximum Ratings (Note 1)  
Thermal Information  
o
Maximum Continuous Supply Voltages  
Thermal Resistance (Typical, Note 2)  
θJA ( C/W)  
(V -) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .-60V to 0.5V  
B
CERDIP Package. . . . . . . . . . . . . . . . . . . . . . . . . . .  
PDIP Package . . . . . . . . . . . . . . . . . . . . . . . . . . . . .  
PLCC Package. . . . . . . . . . . . . . . . . . . . . . . . . . . . .  
SOIC Package . . . . . . . . . . . . . . . . . . . . . . . . . . . . .  
52  
65  
65  
(V +) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .-0.5V to 15V  
B
(V + - V -) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .75V  
B
B
Relay Drive Voltage (V ). . . . . . . . . . . . . . . . . . . . . . .-0.5V to 15V  
RD  
75  
o
Maximum Junction Temperature (Hermetic Packages) . . . . . .175 C  
o
Maximum Junction Temperature (Plastic Packages) . . . . . . . .150 C  
Operating Conditions  
o
o
Maximum Storage Temperature Range. . . . . . . . . . -65 C to 150 C  
Operating Temperature Range  
HC-5504B-5 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 0 C to 75 C  
HC-5504B-9 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . -40 C to 85 C  
o
Maximum Lead Temperature (Soldering 10s) . . . . . . . . . . . . .300 C  
o
o
(PLCC and SOIC - Lead Tips Only)  
o
o
Relay Driver Voltage (V ) . . . . . . . . . . . . . . . . . . . . . . . . . 5 to 12V  
RD  
Positive Supply Voltage (V +) . . . . . . . 4.75 to 5.25 or 10.8 to 13.2V  
Die Characteristics  
B
Negative Supply Voltage (V -). . . . . . . . . . . . . . . . . . . . . -42 to -58V  
High Level Logic Input Voltage. . . . . . . . . . . . . . . . . . . . . . . . . . 2.4V  
Low Level Logic Input Voltage . . . . . . . . . . . . . . . . . . . . . . . . . . 0.6V  
B
Transistor Count. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 185  
Diode Count. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 36  
Die Dimensions . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 137 x 102  
Substrate Potential. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . Connected  
Process . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . Bipolar-DI  
Loop Resistance (R ) . . . . . . . . . . . . . . . . . . . . . . . . . 200 to 1200Ω  
L
CAUTION: Stresses above those listed in “Absolute Maximum Ratings” may cause permanent damage to the device. This is a stress only rating and operation of the  
device at these or any other conditions above those indicated in the operational sections of this specification is not implied.  
NOTES:  
1. Absolute maximum ratings are limiting values, applied individually, beyond which the serviceability of the circuit may be impaired.  
Functional operability under any of these conditions is not necessarily implied.  
2. θ is measured with the component mounted on an evaluation PC board in free air.  
JA  
Electrical Specifications Unless Otherwise Specified, V - = -48V, V + = 12V and 5V, AG = BG = DG = 0V, Typical Parameters  
B
B
o
T = 25 C. Min-Max Parameters are Over Operating Temperature Range  
A
PARAMETER  
On Hook Power Dissipation  
Off Hook Power Dissipation  
CONDITIONS  
= 0 (Note 3), V + = 12V  
MIN  
TYP  
170  
425  
-
MAX  
235  
550  
6.0  
5.3  
41  
UNITS  
mW  
mW  
mA  
I
-
LONG  
B
R
R
R
R
R
R
= 600Ω, I  
= 0 (Note 3), V + = 12V  
-
L
L
L
L
L
L
LONG  
LONG  
LONG  
LONG  
B
o
Off Hook I +  
= 600Ω, I  
= 600Ω, I  
= 600Ω, I  
= 0 (Note 3), T = -40 C  
A
-
B
o
Off Hook I +  
= 0 (Note 3), T = 25 C  
A
-
-
mA  
B
Off Hook I -  
B
= 0 (Note 3)  
-
-
35  
21  
-
mA  
Off Hook Loop Current  
Off Hook Loop Current  
= 1200Ω, I  
= 0 (Note 3)  
-
mA  
LONG  
= 1200Ω, V - = -42V, I  
T = 25 C  
= 0 (Note 3)  
17.5  
-
mA  
B
LONG  
o
A
Off Hook Loop Current  
R
= 200Ω, I  
= 0 (Note 3)  
36  
41  
48  
mA  
L
LONG  
Fault Currents  
TIP to Ground  
-
-
-
-
-
-
-
14  
55  
41  
55  
0.2  
-
-
-
mA  
mA  
mA  
mA  
V
RING to Ground  
TIP to RING  
-
TIP and RING to Ground  
-
Ring Relay Drive V  
OL  
I
= 62mA  
0.5  
100  
3
OL  
o
Ring Relay Driver Off Leakage  
Ring Trip Detection Period  
V
= 12V, RC = 1 = HIGH, T = 25 C  
A
µA  
RD  
R
= 600Ω  
2
Ring  
L
Cycles  
Switch Hook Detection Threshold  
SHD = V  
SHD = V  
10  
-
-
-
-
mA  
mA  
OL  
5
OH  
52  
HC-5504B  
Electrical Specifications Unless Otherwise Specified, V - = -48V, V + = 12V and 5V, AG = BG = DG = 0V, Typical Parameters  
B
B
o
T = 25 C. Min-Max Parameters are Over Operating Temperature Range (Continued)  
A
PARAMETER  
CONDITIONS  
MIN  
TYP  
-
MAX  
UNITS  
mA  
mA  
mA  
ms  
Ground Key Detection Threshold  
GKD = V  
GKD = V  
20  
-
-
10  
-
OL  
-
OH  
Loop Current During Power Denial  
Dial Pulse Distortion  
R
= 200Ω  
-
±2  
-
L
0
-
5
Receive Input Impedance  
Transmit Output Impedance  
2-Wire Return Loss  
(Note 3)  
(Note 3)  
110  
10  
-
kΩ  
-
20  
Ω
Referenced to 600Ω + 2.16µF (Note 3)  
SR LO  
-
-
-
15.5  
24  
-
-
-
dB  
dB  
dB  
L
ER  
L
SR HI  
L
31  
Longitudinal Balance  
2-Wire Off Hook  
1V 200Hz - 3400Hz (Note 3) IEEE Method  
RMS  
o
o
0 C ≤ T ≤ 75 C  
A
58  
60  
50  
-
65  
63  
58  
-
-
-
dB  
dB  
2-Wire On Hook  
4-Wire Off Hook  
-
dB  
Low Frequency Longitudinal Balance  
R.E.A. Method (Note 3), R = 600Ω  
23  
-67  
dBrnC  
dBm0p  
L
o
o
0 C ≤ T ≤ 75 C  
A
-
-
Insertion Loss  
at 1kHz, 0dBm Input Level, Referenced 600Ω  
-
-
±0.05  
±0.02  
±0.2  
dB  
dB  
2-Wire to 4-Wire, 4 Wire to 2-Wire  
Frequency Response  
200Hz - 3400Hz Referenced to Absolute Loss at  
1kHz and 0dBm Signal Level (Note 3)  
±0.05  
Idle Channel Noise  
(Note 3)  
-
-
1
5
dBrnC  
2-Wire to 4-Wire, 4 Wire to 2-Wire  
-89  
-85  
dBm0p  
Absolute Delay  
(Note 3)  
-
-
2
-
ms  
dB  
2-Wire to 4-Wire, 4 Wire to 2-Wire  
Trans Hybrid Loss  
Balance Network Set Up for 600Ω Termination at  
36  
40  
1kHz  
Overload Level  
V + = +5V  
B
1.5  
-
-
-
-
V
V
PEAK  
V + = 12V  
B
1.75  
2-Wire to 4-Wire, 4 Wire to 2-Wire  
PEAK  
Level Linearity  
At 1kHz Referenced to 0dBm Level (Note 3)  
+3 to -40dBm  
-
-
-
-
-
-
±0.05  
±0.1  
±0.3  
dB  
dB  
dB  
2-Wire to 4-Wire, 4 Wire to 2-Wire  
-40 to -50dBm  
-50 to -55dBm  
(Note 3)  
Power Supply Rejection Ratio  
V + to 2-Wire  
30 - 60Hz, R = 600Ω  
15  
15  
15  
15  
-
-
-
-
-
-
-
-
dB  
dB  
dB  
dB  
B
L
V + to Transmit  
B
V - to 2-Wire  
B
V - to Transmit  
B
53  
HC-5504B  
Electrical Specifications Unless Otherwise Specified, V - = -48V, V + = 12V and 5V, AG = BG = DG = 0V, Typical Parameters  
B
B
o
T = 25 C. Min-Max Parameters are Over Operating Temperature Range (Continued)  
A
PARAMETER  
CONDITIONS  
200 - 16kHz, R = 600Ω  
MIN  
30  
30  
30  
30  
-
TYP  
MAX  
UNITS  
dB  
V + to 2-Wire  
-
-
-
-
-
-
B
L
V + to Transmit  
-
dB  
B
V - to 2-Wire  
-
-
dB  
B
V - to Transmit  
B
dB  
Logic Input Current (RS, RC, PD)  
Logic Inputs  
0V ≤ V ≤ 5V  
IN  
±100  
µA  
Logic ‘0’ V  
-
-
-
0.8  
5.5  
V
V
IL  
Logic ‘1’ V  
2.0  
IH  
Logic Outputs  
Logic ‘0’ V  
I
I
I
800µA, V + = 12V, 5V  
-
0.1  
5.0  
-
0.5  
5.5  
5.0  
V
V
V
OL  
LOAD  
LOAD  
LOAD  
B
Logic ‘1’ V  
80µA, V + = 12V  
2.7  
2.7  
OH  
B
40µA, V + = 5V  
B
Uncommitted Op Amp Specifications  
PARAMETER  
Input Offset Voltage  
Input Offset Current  
Input Bias Current  
CONDITIONS  
MIN  
TYP  
MAX  
UNITS  
-
-
-
-
-
-
-
-
±5  
±10  
20  
1
-
mV  
nA  
-
-
nA  
Differential Input Resistance  
Output Voltage Swing  
(Note 3)  
-
MΩ  
R = 10K, V + = 12V  
±6.2  
±3  
10  
1
±6.6  
V
V
L
B
PEAK  
R
= 10K, V + = 5V  
-
-
-
L
B
PEAK  
Output Resistance  
Small Signal GBW  
NOTES:  
A
= 1 (Note 3)  
Ω
VCL  
(Note 3)  
MHz  
3. These parameters are controlled by design or process parameters and are not directly tested. These parameters are characterized upon initial  
design release, upon design changes which would affect these characteristics, and at intervals to assure product quality and specification com-  
pliance.  
4. I  
= Longitudinal Current  
LONG  
54  
HC-5504B  
Pin Descriptions  
28 PIN  
PLCC  
24 PIN  
DIP/SOIC  
SYMBOL  
DESCRIPTION  
2
3
4
1
2
3
TIP  
An analog input connected to the TIP (more positive) side of the subscriber loop through a 150Ω feed re-  
sistor and a ring relay contact. Functions with the Ring terminal to receive voice signals from the telephone  
and for loop monitoring purposes.  
RING  
RFS  
An analog input connected to the RING (more negative) side of the subscriber loop through a 150Ω feed  
resistor and a ring relay contact. Functions with the Tip terminal to receive voice signals from the telephone  
and for loop monitoring purposes.  
Senses ring side of loop for ground key and ring trip detection. During ringing, the ring signal is inserted  
into the line at this node and RF is isolated from RFS via a relay.  
5
6
4
5
V +  
Positive Voltage Source - Most positive supply. V + is typically 12V or 5V.  
B
B
C
Capacitor #3 - An external capacitor to be connected between this terminal and analog ground. Required  
3
for proper operation of the loop current limiting function, and for filtering V -. Typical value is 0.3µF, 30V.  
B
7
9
6
7
DG  
Digital Ground - To be connected to zero potential and serves as a reference for all digital inputs and out-  
(Note 5) puts on the SLIC microcircuit.  
RS  
Ring Synchronization Input - A TTL-compatible clock input. The clock should be arranged such that a pos-  
itive pulse transition occurs on the zero crossing of the ring voltage source, as it appears at the RFS termi-  
nal. For Tip side injected systems, the RS pulse should occur on the negative going zero crossing and for  
Ring injected systems, on the positive going zero crossing. This ensures that the ring relay activates and  
deactivates when the instantaneous ring voltage is near zero. If synchronization is not required, the pin  
should be tied to 5V.  
10  
11  
8
9
RD  
TF  
Relay Driver - A low active open collector logic output. When enabled, the external ring relay is energized.  
Tip Feed - A low impedance analog output connected to the TIP terminal through a 150Ω feed resistor.  
Functions with the RF terminal to provide loop current, feed voice signals to the telephone set, and sink  
longitudinal current.  
12  
10  
RF  
Ring Feed - A low impedance analog output connected to the RING terminal through a 150Ω feed resistor.  
Functions with the TF terminal to provide loop current, feed voice signals to the telephone set, and sink  
longitudinal current.  
13  
14  
16  
17  
11  
12  
13  
14  
V -  
B
Negative Voltage Source - Most negative supply. V - is typically -48V with an operational range of -42V to  
B
-58V. Frequently referred to as “battery”.  
BG  
Battery Ground - To be connected to zero potential. All loop current and some quiescent current flows into  
(Note 5) this ground terminal.  
SHD  
GKD  
Switch Hook Detection - A low active LS TTL - compatible logic output. This output is enabled for loop cur-  
rents exceeding 10mA and disabled for loop currents less than 5mA.  
Ground Key Detection - A low active LS TTL - compatible logic output. This output is enabled if the DC cur-  
rent into the ring lead exceeds the DC current out of the tip lead by more than 20mA, and disabled if this  
current difference is less than 10mA.  
18  
19  
15  
16  
PD  
RC  
Power Denial - A low active TTL - Compatible logic input. When enabled, the switch hook detect (SHD) and  
ground key detect (GKD) are not necessarily valid, and the relay driver (RD) output is disabled.  
Ring Command - A low active TTL - Compatible logic input. When enabled, the relay driver (RD) output  
goes low on the next high level of the ring sync (RS) input, as long as the SLIC is not in the power denial  
state (PD = 0) or the subscriber is not already off- hook (SHD = 0).  
20  
17  
C
Capacitor #2 - An external capacitor to be connected between this terminal and digital ground. Prevents  
false ground key indications from occurring during ring trip detection. Typical value is 0.15µF, 10V. This ca-  
pacitor is not used if ground key function is not required and (Pin 17) may be left open or connected to digital  
ground.  
2
21  
23  
18  
19  
OUT  
-IN  
The analog output of the spare operational amplifier. The output voltage swing is typically ±5V.  
The inverting analog input of the spare operational amplifier.  
55  
HC-5504B  
Pin Descriptions (Continued)  
28 PIN  
PLCC  
24 PIN  
DIP/SOIC  
SYMBOL  
+IN  
DESCRIPTION  
24  
25  
20  
21  
The non-inverting analog input of the spare operational amplifier.  
RX  
Receive Input, 4-Wire Side - A high impedance analog input which is internally biased. Capacitive coupling  
to this input is required. AC signals appearing at this input differentially drive the Tip feed and Ring feed  
terminals, which in turn drive tip and ring through 300Ω of feed resistance on each side of the line.  
26  
22  
C
Capacitor #4 - An external capacitor to be connected between this terminal and analog ground. This ca-  
pacitor prevents false ground key indication and false ring trip detection from occurring when longitudinal  
currents are induced onto the subscriber loop from near by power lines and other noise sources. This ca-  
pacitor is also required for the proper operation of ring trip detection. Typical value is 0.5µF, to 1.0µF, 20V.  
This capacitor should be nonpolarized.  
4
27  
28  
23  
24  
AG  
Analog Ground - To be connected to zero potential and serves as a reference for the transmit output (TX)  
(Note 5) and receive input (RX) terminals.  
TX  
Transmit Output, 4-Wire Side - A low impedance analog output which represents the differential voltage  
across Tip and Ring. Transhybrid balancing must be performed (using the SLIC microcircuit’s spare op  
amp) beyond this output to completely implement two to four wire conversion. This output is unbalanced  
and referenced to analog ground. Since the DC level of this output varies with loop current, capacitive cou-  
pling to the next stage is essential.  
1, 8, 15, 22  
NOTE:  
NC  
No internal connection.  
5. All grounds (AG, BG, and DG) must be applied before V + or V -. Failure to do so may result in premature failure of the part. If a user wishes  
B
B
to run separate grounds off a line card, the AG must be applied first.  
Functional Diagram  
RING  
TRIP  
RS  
SHD  
GKD  
SWITCH HOOK  
DETECTION  
RING SYNC  
RC  
RD  
RING  
CONTROL  
LOOP  
MONITORING  
RING COMMAND  
GROUND KEY  
DETECTION  
TIP  
1/2 RING  
RELAY  
DIFF  
AMP  
TIP  
150Ω  
TX  
TRANSMIT  
OUTPUT  
-
+
150Ω  
TF  
2 WIRE  
LOOP  
V -  
B
SECONDARY  
PROTECTION  
BATTERY  
FEED  
OUT  
+1  
BG  
RF  
V -  
B
+IN  
-IN  
RX  
LOOP  
CURRENT  
LIMITER  
LINE  
DRIVERS  
RFS  
+
-
1/2 RING  
RELAY  
OP  
AMP  
150Ω  
-1  
RING  
RECEIVE  
INPUT  
RING  
PD  
150Ω  
RING  
VOLTAGE  
POWER DENIAL  
SLIC MICROCIRCUIT  
V -  
B
56  
HC-5504B  
Schematic Diagram  
SLIC FUNCTIONAL SCHEMATIC  
Pin Numbers for DIP/SOIC Package  
21  
22  
11  
12  
23  
6
4
20  
19  
18  
BAT  
GND  
ANA  
GND  
DIG  
GND  
RX  
C4  
V
V +  
B
+
-
OUT  
BAT  
V
+
V
+
B
B
V
V
V
V
V
B1  
B2  
B3  
B4  
B5  
A-500  
OP AMP  
VOLTAGE AND CURRENT  
BIAS NETWORK  
V
BAT  
+5V  
R
I
17  
B3  
V
+
+
B
A-400  
TIP FEED  
AMP  
I
I
I
I
I
I
I
I
I
I
I
V
B1 B2 B3 B4 B5 B6 B7 B8  
B9 B10 B11  
BAT  
V
B2  
TF  
9
V
BAT  
RING TRIP DETECTOR  
5V  
-
I
B4  
I
V
+
B10  
5V  
B
R
12  
V
+
B
R
7
-
GK  
TIP  
1
R
Q
Q
A-200  
LONG’L  
I/V AMP  
20  
D3 D36  
R
V
+
8
B
V
I
V
+
BAT  
B4  
GKD  
14  
GND SHORTS  
CURRENT  
LIMITING  
V
BAT  
+
R
I
RING  
FEED  
SENSE  
10  
B7  
R
B8  
11  
I
B1  
V
BAT  
V
R
9
+ V  
BAT  
B
R
R
23  
3
22  
-
+
C2  
17  
R
5
STTL  
AND LOGIC  
INTERFACE  
V
B3  
V
+
B
+
SWITCH HOOK  
DETECTOR  
R
3
A-100  
TRANSV’L  
I/V AMP  
V
BAT  
R
R
R
4
V
+
RING  
2
B
SHD  
13  
-
V
SH  
BAT  
1
2
+
I
-
B6  
V
B1  
R
6
I
B6  
R
16  
15  
Q
Q
D28  
D27  
V
REFERENCE  
RC  
16  
BAT/2  
R
THERMAL  
LIMITING  
V
B2  
R
14  
LOAD CURRENT  
LIMITING  
R
R
I
18  
B2  
RFC  
R
-
21  
PD  
15  
V
B5  
A-300  
V
B5  
RF  
10  
-
RING FEED  
AMP  
+
+
V
BAT  
19  
V
BAT  
I
B5  
R
13  
V
BAT  
V
BAT  
C3  
5
TX  
24  
RS  
RD  
7
8
57  
HC-5504B  
Schematic Diagram (Continued)  
LOGIC GATE SCHEMATIC  
C2  
LOGIC BIAS  
GK  
2
1
DELAY  
3
6
7
8
9
4
5
12  
SH  
16  
10  
13  
RELAY  
DRIVER  
11  
14  
15  
STTL  
TO  
TTL  
STTL  
TO  
TTL  
TTL  
TO  
STTL  
TTL  
TO  
STTL  
TTL  
TO  
STTL  
C
B
A
TO  
21  
R
A
B
C
RS  
RC  
PD  
RD  
SHD  
GKD  
SCHOTTKY LOGIC  
TABLE 1.  
Overvoltage Protection and Longitudinal  
Current Protection  
TEST  
PERFORMANCE  
(MAX)  
PARAMETER  
CONDITION  
UNITS  
The SLIC device, in conjunction with an external protection  
bridge, will withstand high voltage lightning surges and  
power line crosses.  
Longitudinal  
Surge  
10µs Rise/  
1000µs Fall  
10µs Rise/  
1000µs Fall  
10µs Rise/  
1000µs Fall  
±1000 (Plastic)  
±500 (Ceramic)  
±1000 (Plastic)  
±500 (Ceramic)  
±1000 (Plastic)  
±500 (Ceramic)  
V
PEAK  
V
V
V
V
V
PEAK  
PEAK  
PEAK  
PEAK  
PEAK  
Metallic Surge  
High voltage surge conditions are as specified in Table 1.  
The SLIC will withstand longitudinal currents up to a  
maximum or 30mA  
RMS  
, 15mA per leg, without any  
RMS  
T/GND  
performance degradation.  
R/GND  
50/60Hz Current  
T/GND  
11 Cycles  
Limited to  
700 (Plastic)  
V
RMS  
RMS  
R/GND  
350 (Ceramic)  
V
10A  
RMS  
All Intersil semiconductor products are manufactured, assembled and tested under ISO9000 quality systems certification.  
Intersil semiconductor products are sold by description only. Intersil Corporation reserves the right to make changes in circuit design and/or specifications at any time with-  
out notice. Accordingly, the reader is cautioned to verify that data sheets are current before placing orders. Information furnished by Intersil is believed to be accurate and  
reliable. However, no responsibility is assumed by Intersil or its subsidiaries for its use; nor for any infringements of patents or other rights of third parties which may result  
from its use. No license is granted by implication or otherwise under any patent or patent rights of Intersil or its subsidiaries.  
For information regarding Intersil Corporation and its products, see web site http://www.intersil.com  
58  
HC-5504B  
Applications Diagram  
5V TO  
12V  
SYSTEM CONTROLLER  
15  
13  
14  
7
16  
C
R
S1  
S1  
K
POWER SWITCH GROUND RING RING  
K
BALANCE NETWORK  
C
1
SYNC  
DENIAL HOOK  
KEY  
CMD  
RX  
5
8
1
9
21  
DETECT DETECT  
RD  
R
B1  
C
6
TIP  
1A  
24  
20  
C
7
TIP  
TX  
R
B2  
PCM  
FILTER/  
CODEC  
ZB  
SWITCHING  
NETWORK  
SLIC  
HC-5504B  
TIP FEED  
+IN  
R
1
SUBSCRIBER  
LOOP  
19  
1
-IN  
R
3
OP AMP  
V
-
R
PRIMARY  
PROTECTION  
B
2
18  
OUT  
K
1B  
10  
3
RING FEED  
17  
5
C2  
R
S2  
RING FEED SENSE  
C3  
C4  
C
S2  
R
22  
B4  
2
NEG.  
BATT.  
BATT.  
GND.  
DIG. ANA.  
GND. GND.  
V
+
B
RING  
RING  
R
+
B3  
11  
12  
6
23  
4
C
C
C
4
2
3
PTC  
+
C
C
8
9
V
+
-48V  
B
150V  
(MAX)  
Z
1
PEAK  
RING GENERATOR  
-48V  
FIGURE 1. TYPICAL LINE CIRCUIT APPLICATION WITH THE MONOLITHIC SLIC  
Typical Component Values  
C = 0.15µF, 10V  
R = R = R = 100kΩ (0.1% Match Required, 1% absolute  
2
1
2
3
value) ZB = 0 for 600Ω Terminations (Note 7).  
C = 0.3µF, 30V  
3
R
= R = R = R = 150Ω (0.1% Match Required, 1%  
B2 B3 B4  
B1  
absolute value).  
C = 0.5µF to 1.0µF, 10%, 20V (Should be nonpolarized)  
4
C = 0.5µF, 20V  
5
R
C
= R =1kΩ, typically.  
S2  
S1  
S1  
C = C = 0.5µF (10% Match Required) (Note 7)  
6
7
= C = 0.1µF, 200V typically, depending on V  
S2  
and  
RING  
C = 0.01µF, 100V  
8
line length.  
C = 0.01µF, 20V, ±20%  
9
Z = 150V to 200V transient protection.  
1
PTC used as ring generator ballast.  
NOTES:  
6. Secondary protection diode bridge recommended is a 2A, 200V type.  
7. To obtain the specified transhybrid loss it is necessary for the three legs of the balance network, C -R and R and C -ZB-R , to match in im-  
6
1
2
7
3
pedance to within 0.3%. Thus, if C and C are 1µF each, a 20% match is adequate. It should be noted that the transmit output to C sees a -  
6
7
6
22V step when the loop is closed. Too large a value for C may produce an excessively long transient at the op amp output to the PCM Fil-  
6
ter/CODEC.  
A 0.5µF and 100kΩ gives a time constant of 50ms. The uncommitted op amp output is internally clamped to stay within ±5.5V and also has  
current limiting protection.  
8. All grounds (AG, BG, and DG) must be applied before V + or V -. Failure to do so may result in premature failure of the part. If a user wishes  
B
B
to run separate grounds off a line card, the AG must be applied first.  
9. Application shows Ring Injected Ringing, Balanced or Tip injected configuration may be used.  
10. Pin numbers given for DIP/SOIC package.  
59  

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