LTC1345 LINER [Linear Technology], LTC1345 Datasheet - Page 4

• Manufacturer Part Number: LTC1345
• Description: Single Supply V.35 Transceiver
• Manufacturer: LINER [Linear Technology]

PI FU CTIO S
LTC1345
TYPICAL PERFOR A CE CHARACTERISTICS
C2
C1
V
C1
GND (Pin 5): Ground. The positive terminal of C3 is
connected to ground.
T1 (Pin 6): Transmitter 1 Input.
T2 (Pin 7): Transmitter 2 Input.
T3 (Pin 8): Transmitter 3 Input.
S1 (Pin 9): Select Input 1.
S2 (Pin 10): Select Input 2.
4
CC
+
20
15
10
+
–
U
5
0
–50
(Pin 1): Capacitor C2 Positive Terminal.
(Pin 3): Positive Supply, 4.75 V
(Pin 2): Capacitor C1 Positive Terminal.
(Pin 4): Capacitor C1 Negative Terminal.
Receiver t
vs Temperature
V
CC
–25
= 5V
U
0.2V/DIV
OUTPUT
0
5V/DIV
INPUT
TEMPERATURE (˚C)
PLH
25
Transmitter Output Waveforms
– t
U
PHL
50
75
W
LTC1345 • TPC04
100
U
125
CC
140
120
100
80
60
–50
LTC1345 • TPC07
Supply Current vs Temperature
5.25V.
V
CC
–25
= 5V
0
TEMPERATURE (˚C)
25
NO LOAD
LOADED
50
R3 (Pin 11): Receiver 3 Output.
R2 (Pin 12): Receiver 2 Output.
R1 (Pin 13): Receiver 1 Output.
OE (Pin 14): Receiver Output Enable.
A1 (Pin 15): Receiver 1 Inverting Input.
B1 (Pin 16): Receiver 1 Noninverting Input.
A2 (Pin 17): Receiver 2 Inverting Input.
B2 (Pin 18): Receiver 2 Noninverting Input.
A3 (Pin 19): Receiver 3 Inverting Input.
B3 (Pin 20): Receiver 3 Noninverting Input.
Z3 (Pin 21): Transmitter 3 Inverting Output.
OUTPUT
0.2/DIV
5V/DIV
INPUT
75
LTC1345 • TPC05
Receiver Output Waveforms
100
125
30
25
20
15
10
–4.5
–5.0
–5.5
–6.5
–6.0
–50
V
V
EE
CC
–25
Voltage vs Temperature
= 5V
LTC1345 • TPC08
0
TEMPERATURE (˚C)
25
50
75
LTC1345 • TPC06
100
125