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參數(shù)資料
| 型號： | ADM1345 |
| 廠商： | Analog Devices, Inc. |
| 英文描述： | Single Supply V.35 Transceiver(單電源RS-422/RS-485收發(fā)器,可發(fā)送和接收差分時鐘和數(shù)據(jù)信號) |
| 中文描述： | 單電源.35收發(fā)器（單電源RS-422/RS-485收發(fā)器，可發(fā)送和接收差分時鐘和數(shù)據(jù)信號） |
| 文件頁數(shù)： | 4/10頁 |
| 文件大?。?/td> | 338K |
| 代理商： | ADM1345 |
ADM1345
Preliminary Technical Information
REV. A
4
PIN FUNCTION DESCRIPTION
Pin No.
Mnemonic
Function
1
C2+
Capacitor C2 Positive Terminal.This is the positive side of the capacitor for the second stage of
the charge pump.
2
C1+
Capacitor C1 Positive Terminal.
This is the positive side of the capacitor for the first stage of the charge pump.
3
V
CC
Positive Supply, 4.75
≤
Vcc
≤
5.25V.
4
C1-
Capacitor C1 Negative Terminal. This is the negative terminal of the capacitor for the first stage
of the charge pump.
5
GND
Ground. The positive terminal of C3 is connected to ground.
6
Tl
Transmitter 1 Input. TTL/CMOS-compatible logic input.
7
T2
Transmitter 2 Input. TTL/CMOS-compatible logic input.
8
T3
Transmitter 3 Input. TTL/CMOS-compatible logic input.
9
S1
Select Input 1. TTL/CMOS-compatible logic input.
10
S2
Select Input 2. TTL/CMOS-compatible logic input.
11
R3
Receiver 3 Output. TTL/CMOS-compatible logic output.
12
R2
Receiver 2 Output. TTL/CMOS-compatible logic output.
13
R1
Receiver 1 Output. TTL/CMOS-compatible logic output.
14
OE
Receiver Output Enable. TTL/CMOS-compatible logic input.
15
A1
Receiver 1 Inverting Input.
16
B1
Receiver 1 Noninverting Input.
17
A2
Receiver 2 Inverting Input.
18
B2
Receiver 2 Noninverting Input.
19
A3
Receiver 3 Inverting Input.
20
B3
Receiver 3 Noninverting Input.
21
Z3
Transmitter 3 Inverting Output. Differential current source output. Sources current when T3
low. Sinks current when T3 high.
22
Y3
Transmitter 3 Noninverting Output. Differential current source output. Sinks current when T3
low. Sources current when T3 high.
23
Z2
Transmitter 2 Inverting Output. Differential current source output. Sources current when T2
low. Sinks current when T2 high.
24
Y2
Transmitter 2 Noninverting Output. Differential current source output. Sinks current when T2
low. Sources current when T2 high.
25
Z1
Transmitter 1 Inverting Output. Differential current source output. Sources current when T1
low. Sinks current when T1 high.
26
Yl
Transmitter 1 Noninverting Output. Differential current source output. Sinks current when T1
low. Sources current when T2 high.
27
V
EE
Charge Pump Output. Connected to negative terminal of capacitor C3.
28
C2-
Capacitor C2 Negative Terminal.
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