參數(shù)資料
型號: LTC1322I
廠商: Linear Technology Corporation
英文描述: RS232/EIA562/RS485 Transceivers
中文描述: RS232/EIA562/RS485收發(fā)器
文件頁數(shù): 7/20頁
文件大?。?/td> 454K
代理商: LTC1322I
7
LTC1321/LTC1322/LTC1335
V
DD
(Pin 1):
Positive Supply Input for EIA/TIA-562 Drivers.
B1: (Pin 2):
Receiver Input.
A1 (Pin 3):
Receiver Input.
Z1 (Pin 4):
Driver Output.
Y1 (Pin 5):
Driver Output.
SEL1 (Pin 6):
Interface Mode Select Input.
SEL2 (Pin 7):
Interface Mode Select Input.
Y2 (Pin 8):
Driver Output.
Z2 (Pin 9):
Driver Output.
A2 (Pin 10)
: Receiver Input.
B2 (Pin 11):
Receiver Input.
GND (Pin 12):
Ground.
V
EE
(Pin 13):
Negative Supply.
NC
(Pin 14):
No Connection.
R
A2
(Pin 15):
Receiver Output.
DE2 (Pin 16):
Driver Enable with Internal Pull-Up in RS485
Mode.
D
Y2
(Pin 17):
Driver Input.
ON/OFF (Pin 18):
A HIGH logic input enables the trans-
ceivers. A LOW puts the device into shutdown mode and
reduces I
CC
to 15
μ
A. This pin has an internal pull-up.
LB (Pin 19):
Loopback Control Input. A LOW logic level
enables loopback connections. This pin has an internal
pull-up.
D
Y1
(Pin 20):
Driver Input.
DE1 (Pin 21):
Driver Enable with Internal Pull-Up in RS485
Mode.
R
A1
(Pin 22):
Receiver Output.
NC (Pin 23):
No Connection.
V
CC
(Pin 24):
Positive Supply; 4.75V
V
CC
5.25V.
OE/V
DD
(Pin 1):
For LTC1335, pin 1 is the receiver
output enable with internal pull-down. For LTC1322, pin
1 is the positive supply input for EIA/TIA-562 drivers.
B1: (Pin 2):
Receiver Input.
A1 (Pin 3):
Receiver Input.
Z1 (Pin 4):
Driver Output.
Y1 (Pin 5):
Driver Output.
SEL1 (Pin 6):
Interface Mode Select Input.
SEL2 (Pin 7):
Interface Mode Select Input.
Y2 (Pin 8):
Driver Output.
Z2 (Pin 9):
Driver Output.
A2 (Pin 10)
: Receiver Input.
B2 (Pin 11):
Receiver Input.
GND (Pin 12):
Ground.
V
EE
(Pin 13):
Negative Supply.
R
B2
(Pin 14):
Receiver Output.
R
A2
(Pin 15):
Receiver Output.
D
Z2
/DE2 (Pin 16):
EIA/TIA-562 Driver Input in EIA562
Mode. RS485 Driver Enable with Internal Pull-Up in
RS485 Mode.
D
Y2
(Pin 17):
Driver Input.
ON/OFF (Pin 18):
A HIGH logic input enables the
transceivers. A LOW puts the device into shutdown
mode and reduces I
CC
to 15
μ
A. This pin has an internal
pull-up.
LB (Pin 19):
Loopback Control Input. A LOW logic level
enables loopback connections. This pin has an internal
pull-up.
D
Y1
(Pin 20):
Driver Input.
D
Z1
/DE1 (Pin 21):
EIA/TIA-562 Driver Input in EIA562
Mode. RS485 Driver Enable with Internal Pull-up in
RS485 Mode.
R
A1
(Pin 22):
Receiver Output.
R
B1
(Pin 23):
Receiver Output.
V
CC
(Pin 24):
Positive Supply; 4.75V
V
CC
5.25V.
PI FU
LTC1321
U
LTC1322/LTC1335
相關(guān)PDF資料
PDF描述
LTC1335 RS232/EIA562/RS485 Transceivers
LTC1335C RS232/EIA562/RS485 Transceivers
LTC1335CN RS232/EIA562/RS485 Transceivers
LTC1335CS RS232/EIA562/RS485 Transceivers
LTC1335I RS232/EIA562/RS485 Transceivers
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