ISL4089 [INTERSIL]

DC-Restored Video Amplifier; 直流恢复视频放大器
ISL4089
型号: ISL4089
厂家: Intersil    Intersil
描述:

DC-Restored Video Amplifier
直流恢复视频放大器

视频放大器
文件: 总9页 (文件大小:345K)
中文:  中文翻译
下载:  下载PDF数据表文档文件
ISL4089  
®
Data Sheet  
June 28, 2006  
FN6192.1  
DC-Restored Video Amplifier  
Features  
The ISL4089 is complete DC-restored monolithic video  
amplifier sub-system. It contains a high performance video  
amplifier and a nulling, sample-and-hold amplifier designed  
to establish a programmable DC output level.  
• Complete video level DC-restoration system  
• 0.03% differential gain and 0.05° differential phase  
accuracy  
• 300MHz -3dB small signal bandwidth at A = 1  
V
When the HOLD logic input “0” is applied the DC restore  
function is active. The sample-and-hold amplifier loop is  
closed and used to null the DC offset of the video amplifier.  
This can occur during sync, or, at any time that a black level  
is expected. When the HOLD input “1” is applied, the  
correcting voltage is stored on the video amplifier’s input  
coupling capacitor. This condition must be true during active  
video. The restored DC voltage level can be adjusted using  
• 150MHz -3dB small signal bandwidth at A = 2  
V
• 300V/µs Slew Rate  
• 0.1dB flatness to 80MHz  
• +5V single supply operation  
• TTL/CMOS compatible hold signal  
• Pb-free plus anneal available (RoHS compliant)  
an external reference voltage applied to the V  
pin.  
REF  
The device operates from a single +5V supply and is ideal  
for +5V only systems when used with a sync separator, such  
as the EL1883.  
Applications  
• Input amplifier in video equipment  
• DC-restoration amplifier in video mixers  
The ISL4089 is intended to directly replace the EL4089 only  
in certain applications. This direct replacement requires that  
the single positive supply is no higher than +5.5V and that no  
part of the clamped output goes below ground. The NC on  
pin 6 is not internally connected, so it can be connected to  
the -5V pin in existing EL4089 applications.  
Related Documents  
• AN1261: ISL4089EVAL1 User’s Guide  
• AN1089: EL4089 and EL4390 DC-Restored Video  
Amplifier  
The ISL4089 is specified for operation over -40°C to +85°C  
temperature range.  
Ordering Information  
PART  
TAPE &  
PKG.  
PART NUMBER MARKING  
REEL PACKAGE DWG. #  
Pinout  
ISL4089IBZ  
(See Note)  
4089IBZ  
4089IBZ  
-
8 Ld SO  
(Pb-free)  
MDP0027  
MDP0027  
ISL4089  
(8 Ld SOIC)  
TOP VIEW  
ISL4089IBZ-T7  
(See Note)  
7”  
8 Ld SO  
(Pb-free)  
NOTE: Intersil Pb-free plus anneal products employ special Pb-free  
material sets; molding compounds/die attach materials and 100%  
matte tin plate termination finish, which are RoHS compliant and  
compatible with both SnPb and Pb-free soldering operations. Intersil  
Pb-free products are MSL classified at Pb-free peak reflow  
temperatures that meet or exceed the Pb-free requirements of  
IPC/JEDEC J STD-020.  
V+  
IN-  
-
+
VOUT  
N/C  
GND  
IN+  
VREF  
+
HOLD  
CAUTION: These devices are sensitive to electrostatic discharge; follow proper IC Handling Procedures.  
1-888-INTERSIL or 1-888-468-3774 | Intersil (and design) is a registered trademark of Intersil Americas Inc.  
Copyright © Intersil Americas Inc. 2006. All Rights Reserved.  
1
All other trademarks mentioned are the property of their respective owners.  
ISL4089  
Absolute Maximum Ratings (T = 25°C)  
A
Voltage between V+ and GND. . . . . . . . . . . . . . . . . . . . . . . . . . 5.5V  
Voltage between IN+, IN-, HOLD, V and GND  
Storage Temperature Range . . . . . . . . . . . . . . . . . .-65°C to +150°C  
Ambient Operating Temperature . . . . . . . . . . . . . . . .-40°C to +85°C  
Operating Junction Temperature . . . . . . . . . . . . . . .-40°C to +125°C  
Power Dissipation . . . . . . . . . . . . . . . . . . . . . . . . . . . . . See Curves  
REF  
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . GND -0.5;V+ +0.5V  
Supply Turn-on Slew Rate . . . . . . . . . . . . . . . . . . . . . . . . . . . 1V/µs  
Digital and Analog Input Current (Note 1) . . . . . . . . . . . . . . . . 50mA  
Output Current (Continuous) . . . . . . . . . . . . . . . . . . . . . . . . . . 60mA  
ESD Rating  
Human Body Model (Per MIL-STD-883 Method 3015.7). . . .3000V  
Machine Model . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .250V  
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.  
IMPORTANT NOTE: All parameters having Min/Max specifications are guaranteed. Typical values are for information purposes only. Unless otherwise noted, all tests  
are at the specified temperature and are pulsed tests, therefore: T = T = T  
A
J
C
DC Electrical Specifications V+ = +5V, Load = 1k; T = +25°C  
A
PARAMETER  
DESCRIPTION  
CONDITION  
MIN  
TYP  
MAX  
UNIT  
AMPLIFIER SECTION (HOLD = 5V)  
Ib+  
Ib-  
IN+ Input Bias Current  
V
V
= 2.5V  
= 1.3V  
-7  
20  
-1  
µA  
µA  
dB  
V
IN+  
IN-  
IN- Input Bias Current  
Open Loop Gain  
-30  
A
60  
VOL  
V
V
High Output Level  
Low Output Level  
Short Circuit Current  
R
= 1k  
L
3.5  
OUT+  
IL = 0mA  
5
mV  
mA  
OUT-  
I
100  
SC  
RESTORE SECTION  
, Comp  
V
Composite Input Offset Voltage  
Restoring Current Available  
Power Supply Rejection Ratio  
V
= 0V to +2.5V  
REF  
10  
300  
90  
15  
mV  
µA  
dB  
µA  
V
OS  
I
OUT  
PSRR  
Ib V  
V+ = 5V to 6V  
70  
V
Input Bias Current  
V
= +2.5V  
-0.8  
-0.5  
-0.2  
0.8  
REF  
HOLD  
REF  
REF  
V
HOLD Logic Input Low  
H
V HOLD  
HOLD Logic Input High  
2.0  
-15  
-5  
V
L
I
, Hold  
IH  
HOLD Input Current @ Logic High  
HOLD Input Current @ Logic Low  
Supply Current  
V
V
V
= 5V  
= 0V  
= 0V  
30  
5
µA  
µA  
mA  
HOLD  
HOLD  
HOLD  
I , Hold  
IL  
I
17  
20  
23  
S
AC Electrical Specifications  
V
= +5V, V  
REF  
= 0V , R = 150, R and R = 475; A = 2, T = +25°C.  
S
DC  
L
F
G
V
A
PARAMETER  
DESCRIPTION  
CONDITION  
MIN  
TYP  
MAX  
UNITS  
AMPLIFIER SECTION  
SR  
Slew Rate; 2V , 20% to 80%  
P-P  
300  
3.2  
V/µs  
ns  
tr, tf  
Output Rise and Fall Times  
Propagation Delay, IN+ to Output  
Small Signal; Unity Gain  
V
V
R
= 0.2Vp-p; 10% to 90%  
= 0.2V; 10% to 10%  
OUT  
tpd  
0.3  
ns  
OUT  
-3dB BW  
= 0; R = inf.; C = 0.6pF,  
300  
MHz  
F
G
L
V
= 0.2V  
OUT  
P-P  
Large Signal; Unity Gain  
R
= 0; R = inf.; C = 0.6pF,  
95  
MHz  
F
G
L
V
= 2V  
OUT  
P-P  
Small Signal; A = +2  
C = 0.6pF, V  
= 0.2V  
P-P  
150  
85  
MHz  
MHz  
V
L
OUT  
OUT  
Large Signal; A = +2  
V
C = 0.6pF, V  
= 2V  
P-P  
L
FN6192.1  
June 28, 2006  
2
ISL4089  
AC Electrical Specifications  
V
= +5V, V  
REF  
= 0V , R = 150, R and R = 475; A = 2, T = +25°C. (Continued)  
S
DC  
L
F
G
V
A
PARAMETER  
0.1dB BW  
DESCRIPTION  
0.1dB Gain Flatness; Unity Gain  
CONDITION  
MIN  
TYP  
MAX  
UNITS  
R
= 0; R = inf.; C = 0.6pF  
70  
MHz  
F
G
L
V
= 0.2V  
OUT  
P-P  
R
= 0; R = inf.; C = 0.6pF  
60  
MHz  
F
G
L
V
= 2V  
OUT  
P-P  
0.1dB Gain Flatness; A = +2  
V
C = 0.6pF, V  
= 0.2V  
P-P  
80  
50  
MHz  
MHz  
%
L
OUT  
OUT  
C = 0.6pF, V  
= 2V  
P-P  
L
dG  
Differential Gain Error  
Differential Phase Error  
NTC-7, Restore on sync tip  
NTC-7, Restore on sync tip  
0.03  
0.05  
dP  
°
RESTORE SECTION  
T
T
Time to Enable Hold; 50% to 50%  
Time to Disable Hold; 50% to 50%  
HOLD input 0V to +5V  
HOLD input 5V to 0V  
40  
20  
ns  
ns  
HE  
HD  
NOTE:  
1. If an input signal is applied before the supplies are powered up, the input current must be limited to these maximum values  
Typical Performance Curves V = +5V, R = 150to GND, C = 0.6pF, T = 25°C, unless otherwise specified.  
S
L
L
A
10  
8
10  
8
V
= 2V  
V
R
= 0.2V  
P-P  
A
R
= 2  
= R = 475Ω  
OUT  
P-P  
OUT  
= 150Ω  
V
R = 150Ω  
A
R
= 1  
= 0Ω  
L
L
F
G
V
F
6
6
4
4
A
R
= 2  
= R = 475Ω  
G
V
2
2
F
A
R
= 1  
= 0Ω  
V
0
0
F
-2  
-4  
-2  
-4  
A =4  
V
-6  
-6  
A
R
R
= 4  
= 475Ω  
= 158Ω  
V
R
R
= 475Ω  
= 158Ω  
F
G
F
G
-8  
-8  
-10  
-10  
1M  
10M  
100M  
500M  
1M  
10M  
100M  
500M  
FREQUENCY (Hz)  
FREQUENCY (Hz)  
FIGURE 1. SMALL SIGNAL GAIN vs FREQUENCY for  
VARIOUS GAINS  
FIGURE 2. LARGE SIGNAL GAIN vs FREQUENCY for  
VARIOUS GAINS  
10  
10  
V
R
= 2V  
= 150Ω  
V
= 0.2V  
P-P  
8
6
4
2
0
8
6
4
2
0
OUT  
P-P  
OUT  
= 150Ω  
A
= 1  
V
R
L
L
C = 0.6pF to 22pF  
L
AV = 2  
R
= R = 1kΩ  
G
F
R
= R = 475Ω  
G
F
A
= 2  
V
C = 22pF  
L
-2  
-4  
-2  
-4  
A
= 2  
R
= R = 301Ω  
G
-6  
V
-6  
F
C = 0.6pF  
L
-8  
-8  
-10  
-10  
1M  
10M  
FREQUENCY (Hz)  
100M  
500M  
1M  
10M  
FREQUENCY (Hz)  
100M  
500M  
FIGURE 4. SMALL SIGNAL GAIN vs R , R  
FIGURE 3. LARGE SIGNAL GAIN vs FREQUENCY vs C  
F
G
L
FN6192.1  
June 28, 2006  
3
ISL4089  
Typical Performance Curves V = +5V, R = 150to GND, C = 0.6pF, T = 25°C, unless otherwise specified. (Continued)  
S
L
L
A
0.025  
0.02  
0.015  
0.01  
0.005  
0
0.2  
0.1  
0
A
R
R
= 2  
= R = 475  
= 150  
V
F
L
V
= 0.6V  
P-P  
OUT  
G
V
= 0.2V  
P-P  
OUT  
-0.005  
-0.01  
-0.015  
-0.02  
-0.025  
V
= 0.3V  
P-P  
OUT  
-0.1  
-0.2  
R
A
= 150  
= 2  
L
V
V
OUT  
= 2V  
P-P  
-0.3  
-0.4  
f = 3.58MHz  
= R = 475Ω  
0.01  
0.08  
0.06  
0.04  
0.02  
0
-0.02  
-0.04  
-0.06  
-0.08  
R
F
G
V
= 0.6V  
P-P  
OUT  
-0.5  
-0.6  
-0.7  
V
= 0.3V  
P-P  
OUT  
-0.10  
-0.8  
0
0.5 1.0 1.5 2.0 2.5 3.0 3.5 4.0 4.5 5.0  
DC (V)  
1M  
10M  
100M  
1G  
V
FREQUENCY (Hz)  
OUT  
FIGURE 6. DIFFERENTIAL GAIN - PHASE  
FIGURE 5. 0.1dB GAIN FLATNESS  
1.05  
4.0  
3.5  
V
= 2V  
P-P  
V
= 0.2V  
OUT  
OUT  
P-P  
1.0  
R
= R = 475Ω  
R
= R = 475Ω  
F
G
F
G
0.95  
C
= 0.5pF  
C
= 0.5pF  
3.0  
2.5  
2.0  
1.5  
1.0  
0.5  
0
G
G
0.9  
0.85  
0.8  
0.75  
0.7  
0.65  
TIME (20ns/DIV)  
TIME (20ns/DIV)  
FIGURE 7. SMALL SIGNAL TRANSIENT RESPONSE; A = 2  
V
FIGURE 8. LARGE SIGNAL TRANSIENT RESPONSE; A = 2  
V
60  
50  
40  
30  
20  
10  
0
100  
1k  
10k  
100k  
FREQUENCY (Hz)  
FIGURE 9. INPUT NOISE vs FREQUENCY  
FN6192.1  
June 28, 2006  
4
ISL4089  
Typical Performance Curves V = +5V, R = 150to GND, C = 0.6pF, T = 25°C, unless otherwise specified. (Continued)  
S
L
L
A
JEDEC JESD51-7 HIGH EFFECTIVE THERMAL  
CONDUCTIVITY TEST BOARD  
JEDEC JESD51-3 LOW EFFECTIVE THERMAL  
CONDUCTIVITY TEST BOARD  
1
0.8  
0.6  
0.4  
0.2  
0
0.7  
0.6  
0.5  
0.4  
0.3  
0.2  
0.1  
0
909mW  
625mW  
0
25  
50  
75 85 100  
125  
150  
0
25  
50  
75 85 100  
125  
150  
AMBIENT TEMPERATURE (°C)  
AMBIENT TEMPERATURE (°C)  
FIGURE 10. PACKAGE POWER DISSIPATION vs AMBIENT  
TEMPERATURE  
FIGURE 11. PACKAGE POWER DISSIPATION vs AMBIENT  
TEMPERATURE  
ISL4089  
(8 LD SOIC)  
EQUIVALENT  
CIRCUIT  
PIN NAME  
DESCRIPTION  
1
2
3
4
5
6
7
8
IN-  
N+  
Circuit 1  
Circuit 1  
Circuit 1  
Circuit 2  
Circuit 4  
Circuit 1  
Circuit 3  
Circuit 4  
V+  
Video amplifier inverting input  
Video amplifier non-inverting input  
Restore amplifier V input  
V
REF  
REF  
HOLD  
GND  
NIC  
Hold/restore logic input. Logic “0” selects the restore state; logic “1” selects the hold state  
Ground  
No internal connection  
Video amplifier output  
Positive power supply  
V
OUT  
V+  
V+  
21k  
IN  
LOGIC PIN  
V-  
GND  
CIRCUIT 1  
CIRCUIT 2  
V+  
V+  
CAPACITIVELY  
COUPLED  
ESD CLAMP  
OUT  
GND  
GND  
CIRCUIT 4  
CIRCUIT 3  
FN6192.1  
June 28, 2006  
5
ISL4089  
DC-Restore Amplifier (Figure 13)  
AC Test Circuits  
The DC-restore circuit contains a voltage reference amplifier  
and an analog switch function that closes the DC-restore  
loop under control of the HOLD logic input. The reference  
amplifier uses an internal 10mV offset voltage (V2) to enable  
R
R
F
G
TEST  
EQUIPMENT  
R
-
S
V
+
IN  
50Ω  
118Ω  
86.6Ω  
the V  
input to sense down to the negative supply. The A2  
50Ω  
REF  
C
L
amplifier output stage operates in a current-feed mode with a  
source/sink capability of ±300µA (Typ).  
1. HOLD INPUT = 1  
A logic “0” at the HOLD input closes switch S1 which closes  
the DC-restore loop. The video input AC coupling capacitor,  
CX1, acts as a DC hold capacitor (through the 75Ω  
FIGURE 12A. VIDEO AMPLIFIER AC TEST CIRCUIT FOR 50Ω  
R
R
F
termination resistor RX1) to average the current-source  
output of amplifier A2. When the DC-restore loop has  
reached equilibrium, the DC voltage stored on CX1 will the  
G
TEST  
EQUIPMENT  
R
-
S
V
value required to force the output voltages at A1 (V  
A2 (V ) according to the following:  
IN+  
) and  
OUT  
+
IN  
75Ω  
75Ω  
C
L
75Ω  
V
(DC) = V  
+ 10mV  
REF  
(EQ. 2)  
OUT  
1. HOLD INPUT = 1  
FIGURE 12B. BACKTERMINATED TEST CIRCUIT FOR VIDEO  
CABLE APPLICATION.  
and; the DC voltage at the non-inverting input of the video  
amplifier A1 is given in Equation 3:  
Figure 12A illustrates the AC test circuit used to operate the  
video amplifier into a 150load while providing a 50Ω  
matched impedance. Figure 12B illustrates the test circuit for  
impedance matching to 75test equipment.  
V
= V  
(DC) + 1.2V  
OUT  
(EQ. 3)  
IN+  
Therefore, if V  
is set to 0V (GND); V = 10mV, and  
OUT  
REF  
the DC voltage stored on CX1 is ~1.2V.  
Application Information  
The CX1 capacitor value is chosen from the system  
requirements. A typical DC-restore application using the  
horizontal sync to drive the HOLD pin will result in a 62µs  
hold time. The typical input bias current to the video amplifier  
is 1.2µA, so for a 62µs hold time, and a 0.01µF capacitor, the  
output voltage drift is 7.5mV in one line. The restore amplifier  
can provide a typical current of 300µA to charge capacitor  
CX1, so with a 1.2µs sampling time, the output can be  
corrected by 36mV in each line.  
General  
The ISL4089 implements the video DC-restore function  
using a high performance gain adjustable video amplifier  
and a nulling, sample-hold amplifier to establish a user  
defined DC reference voltage at the video amplifier output. A  
detailed description of the DC-restore function implemented  
in the ISL4089 can be found in application note AN1089,  
EL4089 and EL4390 DC-Restored Video Amplifier. The  
ISL4089 performs the same function with the exception that  
it is designed for single supply operation.  
Using a smaller value of CX1 increases both the voltage that  
can be corrected, as well as the droop while being held.  
Likewise, using a larger value of CX1, reduces the correction  
and droop voltages. A sample of charging and droop rates  
are shown on the following table.  
Video Amplifier Operation (Figure 13)  
The ISL4089 video amplifier (A1) is voltage-feed, high  
performance video amplifier designed for +5V operation.  
The output stage is capable of swinging to within 10mV of  
the negative rail. The differential input stage contains an  
internal voltage reference that positions the non-inverting  
input DC level (V1) to ~1.2V higher than the negative supply  
rail. This offset ensures that the amplifier input DC level is  
maintained within the common mode input voltage range.  
The amplifier non-inverting gain is given in Equation 1.  
TABLE OF CHARGE STORAGE CAPACITOR VS DROOP  
CHARGING RATES (NOTE)  
DROOP IN  
62µs  
CHARGE IN  
1.2µs  
CHARGE IN  
4µs  
CAP VALUE  
(if)  
(mV)  
(mV)  
(mV)  
10  
33  
7.5  
2.3  
36  
11  
120  
36  
R
100  
0.75  
3.6  
12  
F
V
= (V  
1.2V) • 1 + --------  
IN+  
(EQ.1)  
OUT  
R
G
NOTE: Basic formulae are: V (droop) = Ib+ * (Line time - Sample  
time)/Capacitor and V (charge) = I * Sample time/Capacitor  
OUT  
FN6192.1  
June 28, 2006  
6
ISL4089  
R
R
F
G
475Ω  
475Ω  
ISL4089  
VIDEO  
OUT  
V
IN-  
RXT  
-
VIDEO  
INPUT  
75Ω  
A1  
CX1  
V
1.2V  
IN+  
-
+
+
V
OUT  
V1  
RX1  
75Ω  
S1  
4k  
V+  
+5V  
0.1µF  
4.7µF  
A2  
GND  
-
+
V
REF  
10mV  
V2  
-
-
+
40pF  
V
Ref  
0V to +4.5V  
GND  
HOLD  
TTL  
INPUT  
FIGURE 13. BASIC +5V APPLICATION CIRCUIT  
Using the Reference Voltage Input (V  
)
Application Information  
REF  
Implementing DC-restore and amplifying composite video  
using a single +5V supply amplifier, requires attention to the  
performance of the amplifier over the minimum to maximum  
range of output voltage swing. The differential gain - phase  
plot in Figure 6 shows the amplifier accuracy operating from  
A typical single supply application circuit using the EL1883  
sync separator to generate the DC-restore hold command, is  
shown in Figure 13. The ISL4089 is configured for a gain of  
2, and 75input and output terminations are used for cable  
driving; providing an end to end gain of 1. DC-restore is  
performed during sync tip using the composite sync output  
of the EL1883, which clamps the -300mV input sync tip level  
to 0VDC at the ISL4089 output (Figure 15 - lower trace).  
Clamping sync tip to 0VDC forces the black level, color burst  
and active video to the +300mV level at the 75load in the  
terminal equipment, and to +600mV at the ISL4089 output  
pin. The +600mV DC offset is safely within the lower linear  
range of the ISL4089 output (Figure 6 - Differential Gain -  
Phase) and the 2V maximum video amplitude at the output  
is safely within the upper limit. In applications where the sync  
tip level can’t be guaranteed, positioning the active video  
within the linear range can be accomplished using the back  
porch clamp output of the EL1883 and supplying +1V to the  
a single +5V supply, driving a 300mV  
and a 600mV  
P-P  
P-P  
signal into a 150load. Over the output DC voltage range of  
0.5V to 3.25V, differential gain and phase are less than  
0.05% and 0.05° respectively and defines the optimum  
output voltage range of the ISL4089. Figure 6 also shows  
that as the signal level increases, a corresponding decrease  
in the output DC level (min/max voltage swing) can be  
expected. The V  
input enables the output DC voltage  
REF  
level to be optimally programmed within the min/max voltage  
range, according to Equation 2. The values in Figure 6 take  
into account the additional amplifier overhead (300mV  
P-P  
) needed by the video signal. Although the  
and 600mV  
P-P  
AC performance degrades below ~0.5V, the ISL4089  
maintains DC accuracy down to 10mV.  
V
input. This has the effect of clamping the back porch to  
REF  
the +1V V  
level at the output while enabling the negative  
REF  
sync tip level to pass through to the output.  
Limiting the Output Current  
No output short circuit current limit exists on these parts. All  
applications need to limit the output current to less than  
60mA. Adequate thermal heat sinking of the parts is also  
required.  
FN6192.1  
June 28, 2006  
7
ISL4089  
R5  
R4  
475 ohms  
475 ohms  
+5V  
ISL4089  
1
C2, C3  
0.1uF  
C1  
4.7uF  
IN-  
V+  
C4  
0.01uF  
-
VIDEO  
INPUT  
Ground  
+
2
R6  
75 ohms  
R3  
75 ohms  
IN+  
Vout  
Out  
3
+
Vref  
NC  
4
GND  
Hold  
Composite Sync  
Out  
Back-porch Clamp  
Out  
EL1883  
1
2
3
4
8
7
6
5
C5  
0.1uF  
Horizontal Sync  
Out  
Vertical Sync  
Out  
R7  
681K  
C6  
0.056 uF  
FIGURE 14. APPLICATION CIRCUIT USING THE EL1883 SYNC SEPARATOR TO GENERATE DC-RESTORE HOLD CONTROL  
COMPOSITE VIDEO INPUT  
0VDC  
COMPOSITE SYNC INPUT  
0VDC  
DC-RESTORED VIDEO OUTPUT  
0VDC  
FIGURE 15. DC-RESTORE USING COMPOSITE SYNC AND V  
= 0VDC  
REF  
FN6192.1  
June 28, 2006  
8
ISL4089  
Small Outline Package Family (SO)  
A
D
h X 45°  
(N/2)+1  
N
A
PIN #1  
I.D. MARK  
E1  
E
c
SEE DETAIL “X”  
1
(N/2)  
B
L1  
0.010 M  
C A B  
e
H
C
A2  
A1  
GAUGE  
PLANE  
SEATING  
PLANE  
0.010  
L
4° ±4°  
0.004 C  
b
0.010 M  
C
A
B
DETAIL X  
MDP0027  
SMALL OUTLINE PACKAGE FAMILY (SO)  
SO16  
(0.150”)  
SO16 (0.300”)  
(SOL-16)  
SO20  
SO24  
(SOL-24)  
SO28  
(SOL-28)  
SYMBOL  
SO-8  
0.068  
0.006  
0.057  
0.017  
0.009  
0.193  
0.236  
0.154  
0.050  
0.025  
0.041  
0.013  
8
SO-14  
0.068  
0.006  
0.057  
0.017  
0.009  
0.341  
0.236  
0.154  
0.050  
0.025  
0.041  
0.013  
14  
(SOL-20)  
0.104  
0.007  
0.092  
0.017  
0.011  
0.504  
0.406  
0.295  
0.050  
0.030  
0.056  
0.020  
20  
TOLERANCE  
MAX  
NOTES  
A
A1  
A2  
b
0.068  
0.006  
0.057  
0.017  
0.009  
0.390  
0.236  
0.154  
0.050  
0.025  
0.041  
0.013  
16  
0.104  
0.007  
0.092  
0.017  
0.011  
0.406  
0.406  
0.295  
0.050  
0.030  
0.056  
0.020  
16  
0.104  
0.007  
0.092  
0.017  
0.011  
0.606  
0.406  
0.295  
0.050  
0.030  
0.056  
0.020  
24  
0.104  
0.007  
0.092  
0.017  
0.011  
0.704  
0.406  
0.295  
0.050  
0.030  
0.056  
0.020  
28  
-
±0.003  
±0.002  
±0.003  
±0.001  
±0.004  
±0.008  
±0.004  
Basic  
-
-
-
c
-
D
1, 3  
E
-
E1  
e
2, 3  
-
L
±0.009  
Basic  
-
L1  
h
-
Reference  
Reference  
-
N
-
Rev. L 2/01  
NOTES:  
1. Plastic or metal protrusions of 0.006” maximum per side are not included.  
2. Plastic interlead protrusions of 0.010” maximum per side are not included.  
3. Dimensions “D” and “E1” are measured at Datum Plane “H”.  
4. Dimensioning and tolerancing per ASME Y14.5M-1994  
All Intersil U.S. products are manufactured, assembled and tested utilizing ISO9000 quality systems.  
Intersil Corporation’s quality certifications can be viewed at www.intersil.com/design/quality  
Intersil products are sold by description only. Intersil Corporation reserves the right to make changes in circuit design, software and/or specifications at any time without  
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 www.intersil.com  
FN6192.1  
June 28, 2006  
9

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