
N8T14, SN55122, SN75122
TRIPLE LINE RECEIVERS
SLLS075B – D1334, SEPTEMBER 1973 – REVISED FEBRUARY 1993
POST OFFICE BOX 655303
DALLAS, TEXAS 75265
2–3
schematic diagram (each receiver)
58
13, 7, 9
Y
800
4 k
4 k
A
B
V
S
VCC
To Other
Receivers
R
V
GND
. . . VCC bus
V
To Other
Receiver
V
B input is provided on receivers 1 and 2 only.
Resistor values shown are nominal.
absolute maximum ratings over operating free-air temperature range (unless otherwise noted)
Supply voltage, V
CC
(see Note 1)
Input voltage:
R input
A, B, or S input
Output voltage
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Output current
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Continuous total power dissipation (see Note 2)
. . . . . . . . . . . . . . . . . . . . . . . . .
Operating free-air temperature range:
SN55122
N8T14, SN75122
Storage temperature range
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Case temperature for 60 seconds: FK package
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Lead temperature 1,6 mm (1/16 inch) from case for 60 seconds: J package
Lead temperature 1,6 mm (1/16 inch) from case for 10 seconds: D or N package
6 V
6 V
5.5 V
6 V
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
±
100 mA
See Dissipation Rating Table
–55
°
C to 125
°
C
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
0
°
C to 70
°
C
–65
°
C to 150
°
C
260
°
C
300
°
C
260
°
C
. . . . . . . . . . . . . . . . . . . . .
. . . . . . . . . . . . . . . .
NOTES: 1. Voltage values are with respect to network ground terminal.
2. The SN55122 chips are alloy mounted, and the SN75122 chips are glass mounted.
DISSIPATION RATING TABLE
PACKAGE
TA
≤
25
°
C
POWER RATING
DERATING FACTOR
ABOVE TA = 25
°
C
7.6 mW/
°
C
11.0 mW/
°
C
11.0 mW/
°
C
9.2 mW/
°
C
TA = 70
°
C
POWER RATING
TA = 125
°
C
POWER RATING
D
FK
J
N
950 mW
1375 mW
1375 mW
1150 mW
608 mW
880 mW
880 mW
736 mW
–
275 mW
275 mW
–