DS88C120 Datasheet, PDF (2/10 Pages) National Semiconductor (TI) – Dual CMOS Compatible Differential Line Receiver

Absolute Maximum Ratings (Note 1)
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Supply Voltage
18V
Input Voltage
g25V
Strobe Voltage
18V
Output Sink Current
50 mA
Maximum Power Dissipation at 25 C
Cavity Package
Molded Package
1433 mW
1362 mW
Derate cavity package 9 6 mW C above 25 C derate molded package
10 9 mW C above 25 C
Storage Temperature Range
b65 C to a150 C
Lead Temperature (Soldering 4 seconds)
260 C
Operating Conditions
Min
Supply Voltage (V_CC)
45
Temperature (T_A)
DS78C120
DS88C120
b55
0
Common-Mode Voltage (V_CM) b15
Max
15
a125
a70
a15
Units
V
C
C
V
Electrical Characteristics (Notes 2 and 3)
Symbol
Parameter
Conditions
Min
Typ Max Units
V_TH
V_TL
V_TH
V_TL
R_IN
R_T
R_O
I_IND
V_THB
V_OH
V_OL
I_CC
I_IN(1)
Differential Threshold
Voltage
I_OUT e b200 mA
V_OUT ^t V_CC b 1 2V
b7V s V_CM s 7V
b15V s V_CM s 15V
0 06
02 V
0 06
03 V
Differential Threshold
Voltage
I_OUT e 1 6 mA V_OUT ^s 0 5V
b7V s V_CM s 7V
b15V s V_CM s 15V
b0 08
b0 08
b0 2 V
b0 3 V
Differential Threshold
Voltage Fail-Safe
I_OUT e b 200 mA
V_OUT ^t V_CC b 1 2V
b7V s V_CM s 7V
0 47
07 V
Offset e 5V
I_OUT e 1 6 mA V_OUT ^s 0 5V
b7V s V_CM s 7V
02
0 42
V
Input Resistance
b15V sV_CM s 15V 0V s V_CC s 15V
4
5
kX
Line Termination Resistance T_A e 25 C
100
180
300 X
Offset Control Resistance T_A e 25 C
56
kX
Data Input Current
(Unterminated)
0V ^s V_CC ^s 15V
V_CM e 10V
V_CM e 0V
2
3 1 mA
0
b0 5 mA
V_CM e b10V
b2 b3 1 mA
Input Balance
(Note 5)
I_OUT e 200 mA V_OUT ^t
V_CC b 1 2V R_S e 500X
b7V s V_CM s 7V
01
04 V
I_OUT e 1 6 mA V_OUT ^s 0 5V
R_S e 500X
b7V s V_CM s 7V
b0 1 b0 4 V
Logical ‘‘1’’ Output Voltage I_OUT e b200 mA V_DIFF e 1V
V_CC b 1 2 V_CC b 0 75
V
Logical ‘‘0’’ Output Voltage I_OUT e 1 6 mA V_DIFF e b1V
0 25
05 V
Power Supply Current
15V ^s V_CM ^s b15V
V_CC e 5 5V
V_DIFF e b0 5V (Both Receivers) _{VCC e 15V}
8
15 mA
15
30 mA
Logical ‘‘1’’ Strobe Input
Current
V_STROBE e 15V V_DIFF e 3V
15
100 mA
I_IN(0)
Logical ‘‘0’’ Strobe Input
Current
V_STROBE e 0V V_DIFF e b3V
b0 5 b100 mA
V_IH
Logical ‘‘1’’ Strobe Input
V_OL ^s 0 5V I_OUT e 1 6 mA
V_CC e 5V
35
25
V
Voltage
V_CC e 10V
80
50
V
V_CC e 15V
12 5
75
V
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