SN75158D [TI]
DUAL DIFFERENTIAL LINE DRIVER; 双路差分线路驱动器
| 型号： | SN75158D |
| 厂家： | 
TEXAS INSTRUMENTS |
| 描述： | DUAL DIFFERENTIAL LINE DRIVER |
| 文件： | 总8页 (文件大小：124K) |
| 中文： | 中文翻译 | 下载： | 下载PDF数据表文档文件 |
SN75158
DUAL DIFFERENTIAL LINE DRIVER
SLLS085B – JANUARY 1977 – REVISED MAY 1995
†
D, P, OR PS PACKAGE
Meets or Exceeds the Requirements of
ANSI EIA/TIA-422-B and ITU
Recommendation V.11
(TOP VIEW)
1Z
1Y
V
CC
1
2
3
4
8
7
6
5
Single 5-V Supply
Balanced-Line Operation
TTL Compatible
2Z
2Y
2A
1A
GND
High Output Impedance in Power-Off
Condition
†
The PS package is only available left-end
tapedand reeled, i.e., order SN75158PSLE.
High-Current Active-Pullup Outputs
Short-Circuit Protection
Dual Channels
Input Clamp Diodes
description
The SN75158 is a dual differential line driver designed to satisfy the requirements set by the ANSI
EIA/TIA-422-B and ITU V.11 interface specifications. The outputs provide complementary signals with
high-current capability for driving balanced lines, such as twisted pair, at normal line impedance without high
power dissipation. The output stages are TTL totem-pole outputs providing a high-impedance state in the
power-off condition.
The SN75158 is characterized for operation from 0°C to 70°C.
‡
logic diagram (positive logic)
logic symbol
2
3
1Y
1Z
1A
2A
1
2
1
6
7
3
1Y
1Z
2Y
2Z
1A
6
7
5
2Y
2Z
5
2A
‡
This symbol is in accordance with ANSI/IEEE Std 91-1984
and IEC Publication 617-12.
Please be aware that an important notice concerning availability, standard warranty, and use in critical applications of
Texas Instruments semiconductor products and disclaimers thereto appears at the end of this data sheet.
Copyright 1995, Texas Instruments Incorporated
PRODUCTION DATA information is current as of publication date.
Products conform to specifications per the terms of Texas Instruments
standard warranty. Production processing does not necessarily include
testing of all parameters.
1
POST OFFICE BOX 655303 • DALLAS, TEXAS 75265
SN75158
DUAL DIFFERENTIAL LINE DRIVER
SLLS085B – JANUARY 1977 – REVISED MAY 1995
schematics of inputs and outputs
EQUIVALENT OF EACH INPUT
TYPICAL OF ALL OUTPUTS
V
CC
V
CC
4 kΩ
NOM
9 Ω NOM
Input
GND
Output
GND
†
absolute maximum ratings over operating free-air temperature range (unless otherwise noted)
Supply voltage, V
(see Note 1) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 7 V
CC
Input voltage, V . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5.5 V
I
Continuous total power dissipation . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . See Dissipation Rating Table
Operating free-air temperature range, T
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 0°C to 70°C
A
Storage temperature range, T
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . –65°C to 150°C
stg
Lead temperature 1,6 mm (1/16 inch) from case for 10 seconds . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 260°C
†
Stresses beyond those listed under “absolute maximum ratings” may cause permanent damage to the device. These are stress ratings only, and
functional operation of the device at these or any other conditions beyond those indicated under “recommended operating conditions” is not
implied. Exposure to absolute-maximum-rated conditions for extended periods may affect device reliability.
NOTE 1: Allvoltagevalues,exceptdifferentialoutputvoltageV ,arewithrespecttonetworkgroundterminal.V
isattheYoutputwithrespect
OD
OD
to the Z output.
DISSIPATION RATING TABLE
T
≤ 25°C
DERATING FACTOR
T = 70°C
A
POWER RATING
A
PACKAGE
POWER RATING
ABOVE T = 25°C
A
D
P
725 mW
1000 mW
450 mW
5.8 mW/°C
8.0 mW/°C
3.6 mW/°C
464 mW
640 mW
288 mW
PS
recommended operating conditions
MIN NOM
MAX
UNIT
V
Supply voltage, V
4.75
2
5
5.25
CC
High-level input voltage, V
V
IH
Low-level input voltage, V
0.8
–40
40
V
IL
High-level output current, I
mA
mA
°C
OH
Low-level output current, I
OL
Operating free-air temperature, T
0
70
A
2
POST OFFICE BOX 655303 • DALLAS, TEXAS 75265
SN75158
DUAL DIFFERENTIAL LINE DRIVER
SLLS085B – JANUARY 1977 – REVISED MAY 1995
electrical characteristics over operating free-air temperature range (unless otherwise noted)
†
‡
TYP
PARAMETER
Input clamp voltage
MIN
MAX
UNIT
TEST CONDITIONS
= MIN, I = –12 mA
V
V
V
–0.9
3
–1.5
V
IK
CC
I
V
V
= MIN,
= 2 V,
V
= 0.8 V,
= –40 mA
CC
IH
IL
High-level output voltage
Low-level output voltage
2.4
V
V
OH
I
OH
V
V
= MIN,
= 2 V,
V
= 0.8 V,
= 40 mA
CC
IH
IL
V
OL
0.2
0.4
I
OL
V
|
Differential output voltage
V
V
V
V
V
V
= MAX,
= MIN
= MIN
= MAX
= MIN
= MIN
I
= 0
O
3.5 2×V
OD2
V
V
V
OD1
CC
CC
CC
CC
CC
CC
|V
|
Differential output voltage
2
3
±0.02
1.8
OD2
§
∆V
±0.4
Change in magnitude of differential output voltage
OD
R
= 100 Ω,
3
3
L
¶
V
OC
V
V
Common-mode output voltage
See Figure 1
1.5
Change in magnitude of common-mode output
∆V
±0.02
±0.4
OC
§
voltage
or MAX
V
V
V
= 6 V
0.1
100
–100
±100
1
O
O
O
I
Output current with power off
V
= 0
= – 0.25 V
= – 0.25 to 6 V
–0.1
µA
O
CC
I
I
I
I
Input current at maximum input voltage
High-level input current
V
V
V
V
V
= MAX, V = 5.5 V
mA
µA
I
CC
CC
CC
CC
CC
I
= MAX, V = 2.4 V
40
IH
IL
I
Low-level input current
= MAX, V = 0.4 V
I
–1
–1.6
–150
mA
mA
#
Short-circuit output current
= MAX
–40
–90
OS
CC
= MAX, Inputs grounded,
I
Supply current (both drivers)
37
50
mA
T
= 25°C,
No load
A
†
For conditions shown as MIN or MAX, use the appropriate value specified under recommended operating conditions.
‡
§
All typical values are at V
= 5 V and T = 25°C except for V
, for which V
is as stated under test conditions.
CC
A
OC
CC
, respectively, that occur when the input is changed from a high level to a low
∆V
and ∆|V
| are the changes in magnitudes of V
OC
and V
OD OC
OD
level.
¶
#
In ANSI Standard EIA/TIA-422-B, V , which is the average of the two output voltages with respect to ground, is called output offset voltage,
OC
V
.
OS
Only one output should be shorted at a time, and duration of the short circuit should not exceed one second.
switching characteristics, V
= 5 V, T = 25°C
A
CC
PARAMETER
TEST CONDITIONS
MIN
TYP
16
10
13
9
MAX
25
UNIT
ns
t
t
t
t
t
t
Propagation delay time, low-to-high-level output
Propagation delay time, high-to-low-level output
Propagation delay time, low-to-high-level output
Propagation delay time, high-to-low-level output
Transition time, low-to-high-level output
Transition time, high-to-low-level output
Overshoot factor
PLH
PHL
PLH
PHL
TLH
TLH
See Figure 2, Termination A
20
ns
20
ns
See Figure 2, Termination B
15
ns
4
20
ns
See Figure 2, Termination A
See Figure 2, Termination C
4
20
ns
10%
3
POST OFFICE BOX 655303 • DALLAS, TEXAS 75265
SN75158
DUAL DIFFERENTIAL LINE DRIVER
SLLS085B – JANUARY 1977 – REVISED MAY 1995
PARAMETER MEASUREMENT INFORMATION
50 Ω
50 Ω
V
OD2
V
OC
Figure 1. Differential and Common-Mode Output Voltages
Input
Pulse
Y Output
Generator
Z Output
(see Note A)
Y
Z
Y
Z
C
= 15 pF
L
Y
Z
(see Note B)
C
= 30 pF
L
100 Ω
100 Ω
(see Note B)
C
= 15 pF
(see Note B)
L
TERMINATION A
TERMINATION B
TEST CIRCUITS
TERMINATION C
≤ 5 ns
Input
≤ 5 ns
3 V
Overshoot
90%
50%
90%
50%
10%
10%
0 V
100%
t
PHL
t
PLH
90%
90%
Differential
Output
50%
10%
50%
10%
0%
Overshoot
t
t
TLH
THL
VOLTAGE WAVEFORMS
NOTES: A. The pulse generator has the following characteristics: Z = 50 Ω, t = 25 ns, PRR ≤ 10 MHz.
O
w
B.
C includes probe and jig capacitance.
L
Figure 2. Test Circuit and Voltage Waveforms
4
POST OFFICE BOX 655303 • DALLAS, TEXAS 75265
SN75158
DUAL DIFFERENTIAL LINE DRIVER
SLLS085B – JANUARY 1977 – REVISED MAY 1995
TYPICAL CHARACTERISTICS
OUTPUT VOLTAGE
vs
DATA INPUT VOLTAGE
OUTPUT VOLTAGE
vs
DATA INPUT VOLTAGE
6
5
4
3
2
6
5
4
3
2
1
No Load
= 25°C
V
= 5 V
CC
No Load
T
A
T
= 125°C
V
V
V
= 5.5 V
= 5 V
A
CC
CC
CC
= 4.5 V
T
A
= 25°C
T
= – 55°C
A
1
0
0
0
1
2
3
4
0
1
2
3
4
V – Data Input Voltage – V
I
V – Data Input Voltage – V
I
Figure 3
Figure 4
LOW-LEVEL OUTPUT VOLTAGE
vs
HIGH-LEVEL OUTPUT VOLTAGE
vs
LOW-LEVEL OUTPUT CURRENT
HIGH-LEVEL OUTPUT CURRENT
0.4
0.3
0.2
0.1
0
5
4
3
2
1
0
T
A
= 25°C
T
A
= 25°C
V
= 5.5 V
V
= 5.5 V
CC
CC
V
CC
= 5 V
V
CC
= 4.5 V
V
CC
= 4.5 V
0
10
20
30
40
50
60
70
80
0
–20
–40
–60
–80
–100
–120
I
– Low-Level Output Current – mA
I
– High-Level Output Current – mA
OL
OH
Figure 5
Figure 6
5
POST OFFICE BOX 655303 • DALLAS, TEXAS 75265
SN75158
DUAL DIFFERENTIAL LINE DRIVER
SLLS085B – JANUARY 1977 – REVISED MAY 1995
TYPICAL CHARACTERISTICS
OUTPUT VOLTAGE
vs
PROPAGATION DELAY TIMES
vs
FREE-AIR TEMPERATURE
FREE-AIR TEMPERATURE
4
3.5
3
30
25
20
15
10
5
V
= 5 V
V
= 5 V
CC
CC
See Figure 2
Termination A
V
(I = –20 mA)
OH OH
V
(I = –40 mA)
OH OH
2.5
2
t
PLH
1.5
1
t
PHL
0.5
V
(I = 40 mA)
OL OL
0
0
–75 – 50 – 25
0
25
50
75
100 125
– 75 – 50 – 25
0
25
50
75
100 125
T
A
– Free-Air Temperature – °C
T
A
– Free-Air Temperature – °C
Figure 7
Figure 8
SUPPLY CURRENT
(BOTH DRIVERS)
vs
SUPPLY CURRENT
(BOTH DRIVERS)
vs
FREE-AIR TEMPERATURE
SUPPLY VOLTAGE
42
40
38
36
34
32
30
80
70
60
50
40
30
20
10
0
V
= 5 V
No Load
= 25°C
CC
Input Grounded
Outputs Open
T
A
Inputs Grounded
Inputs Open
– 75 – 50 – 25
0
25
50
75
100 125
0
1
2
3
4
5
6
7
8
T
A
– Free-Air Temperature – °C
V
CC
– Supply Voltage – V
Figure 9
Figure 10
6
POST OFFICE BOX 655303 • DALLAS, TEXAS 75265
SN75158
DUAL DIFFERENTIAL LINE DRIVER
SLLS085B – JANUARY 1977 – REVISED MAY 1995
TYPICAL CHARACTERISTICS
SUPPLY CURRENT
(BOTH DRIVERS)
vs
FREQUENCY
100
80
V
R
C
= 5 V
= ∞
= 30 pF
CC
L
L
Inputs: 3-V Square Wave
T
A
= 25°C
60
40
20
0
0.1
0.4
1
4
10
40
100
f – Frequency – MHz
Figure 11
7
POST OFFICE BOX 655303 • DALLAS, TEXAS 75265
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accordance with TI’s standard warranty. Testing and other quality control techniques are utilized to the extent
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Copyright 1998, Texas Instruments Incorporated
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