LTC1345ISW Просмотр технического описания (PDF) - Linear Technology
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LTC1345ISW Datasheet PDF : 12 Pages
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LTC1345
TYPICAL PERFOR A CE CHARACTERISTICS
Receiver tPLH – tPHL
vs Temperature
20
VCC = 5V
15
10
Supply Current vs Temperature
140
30
VCC = 5V
LOADED
120
25
NO LOAD
100
20
VEE Voltage vs Temperature
– 4.5
VCC = 5V
– 5.0
– 5.5
5
80
15
–6.0
0
–50 –25
0 25 50 75 100 125
TEMPERATURE (˚C)
LTC1345 • TPC04
60
–50 –25
0 25 50 75
TEMPERATURE (˚C)
10
100 125
LTC1345 • TPC05
– 6.5
–50 –25
0 25 50 75 100 125
TEMPERATURE (˚C)
LTC1345 • TPC06
Transmitter Output Waveforms
Receiver Output Waveforms
INPUT
5V/DIV
INPUT
0.2/DIV
OUTPUT
0.2V/DIV
OUTPUT
5V/DIV
LTC1345 • TPC07
LTC1345 • TPC08
PI FU CTIO S
C2+ (Pin 1): Capacitor C2 Positive Terminal.
C1+ (Pin 2): Capacitor C1 Positive Terminal.
VCC (Pin 3): Positive Supply, 4.75 ≤ VCC ≤ 5.25V.
C1– (Pin 4): Capacitor C1 Negative Terminal.
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.
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.
4
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