DS78C20 Datasheet, PDF (2/6 Pages) National Semiconductor (TI) – Dual CMOS Compatible Differential Line Receiver

Absolute Maximum Ratings (Note 2)
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Supply Voltage
Common-Mode Voltage
Differential Input Voltage
Strobe Voltage
Output Sink Current
Maximum Power Dissipation (Note 1) at 25˚C
Cavity Package
Molded Package
Storage Temperature Range
18V
±25V
±25V
18V
50 mA
1364 mW
1280 mW
−65˚C to
+150˚C
Lead Temperature (Soldering, 4 seconds)
260˚C
Operating Conditions
Min Max Units
Supply Voltage (V_CC)
Temperature (T_A)
DS78C20
4.5
15
V
−55 +125
˚C
DS88C20
0
+70
˚C
Common-Mode Voltage (V_CM) −15
+15
V
Note 1: Derate cavity package 9.1 mW/˚C; derate molded package 10.2
mW/˚C above 25˚C.
Electrical Characteristics (Notes 3, 4)
Symbol
V_TH
R_IN
R_T
I_IND
V_THB
V_OH
V_OL
I_CC
I_IN(1)
I_IN(0)
V_IH
V_IL
I_OS
Parameter
Differential Threshold
Voltage
Input Resistance
Line Termination
Resistance
Data Input Current
(Unterminated)
Input Balance
Logical “1” Output Voltage
Logical “0” Output Voltage
Power Supply Current
Logical “1” Strobe Input
Current
Logical “0” Strobe Input
Current
Logical “1” Strobe Input
Voltage
Logical “0” Strobe Input
Voltage
Output Short-Circuit
Current
Conditions
I_OUT = −200 µA,
V_OUT ≥ V _CC −1.2V
I_OUT = 1.6 mA, V_OUT ≤ 0.5V
−10V ≤ V_CM ≤ 10V
−15V ≤ V_CM ≤ 15V
−10V ≤ V_CM ≤ 10V
−15V ≤ V_CM ≤ 15V
−15V ≤ V _CM ≤ 15V
T_A = 25˚C
V_CM = 10V
V_CM = 0V
V_CM = −10V
I_OUT = 200 µA, V_OUT ≥
V_CC −1.2V, R _S = 500Ω,
(Note 6)
I_OUT = 1.6 mA, V_OUT ≤ 0.5V,
R_S = 500Ω, (Note 6)
I_OUT = −200 µA, V_DIFF = 1V
I_OUT = 1.6 mA, V_DIFF = −1V
15V ≤ V_CM ≤ −15V,
V_DIFF = −0.5V
(Both Receivers)
V_STROBE = 15V, V_DIFF = 3V
−7V ≤ V_CM ≤ 7V
−7V ≤ V_CM ≤ 7V
V_CC = 5.5V
V_CC = 15V
V_CC = 15V
V_STROBE = 0V, V_DIFF = −3V V_CC = 15V
I_OUT = 1.6 mA, V_OL ≤ 0.5V
V_CC = 5V
V_CC = 10V
V_CC = 15V
I_OUT = −200 µA,
V_CC = 5V
V_OH = V_CC −1.2V
V_CC = 10V
V_CC = 15V
V _OUT = 0V, V_CC = 15V, V_STROBE = 0V, (Note 5)
Min
100
V_CC−1.2
3.5
8.0
12.5
−5
Typ
0.06
0.06
−0.08
−0.08
5
180
Max Units
0.2 V
0.3 V
−0.2 V
−0.3 V
kΩ
300 Ω
2
3.1 mA
0
−0.5 mA
−2
−3.1 mA
0.1
0.4 V
−0.1 −0.4 V
V_CC−0.75
V
0.25
0.5 V
8
15 mA
15
30 mA
15
100 µA
−0.5 −100 µA
2.5
V
5.0
V
7.5
V
2.5
1.5 V
5.0
2.0 V
7.5
2.5 V
−20
−40 mA
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