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LTC488C Datasheet

  • LTC488C

  • Quad RS485 Line Receiver

  • 232.14KB

  • 12頁

  • LINER

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LTC488/LTC489
Quad RS485 Line Receiver
FEATURES
s
s
s
s
DESCRIPTIO
s
s
s
s
s
Low Power: I
CC
= 7mA Typ
Designed for RS485 or RS422 Applications
Single 5V Supply
鈥?7V to 12V Bus Common Mode Range Permits
鹵7V
Ground Difference Between Devices on the Bus
60mV Typical Input Hysteresis
Receiver Maintains High Impedance in Three-State or
with the Power Off
28ns Typical Receiver Propagation Delay
Pin Compatible with the SN75173 (LTC488)
Pin Compatible with the SN75175 (LTC489)
The LTC
廬
488 and LTC489 are low power differential bus/
line receivers designed for multipoint data transmission
standard RS485 applications with extended common mode
range (12V to 鈥?7V). They also meet the requirements of
RS422.
The CMOS design offers significant power savings over its
bipolar counterpart without sacrificing ruggedness against
overload or ESD damage.
The receiver features three-state outputs, with the receiver
output maintaining high impedance over the entire com-
mon mode range.
The receiver has a fail-safe feature which guarantees a
high output state when the inputs are left open.
Both AC and DC specifications are guaranteed 4.75V to
5.25V supply voltage range.
, LTC and LT are registered trademarks of Linear Technology Corporation.
APPLICATI
s
s
S
Low Power RS485/RS422 Receivers
Level Translator
TYPICAL APPLICATI
EN EN
EN
2
4
DI
DRIVER
1/4 LTC486
120鈩?/div>
120鈩?/div>
1
RECEIVER
1/4 LTC488
4000 FT 24 GAUGE TWISTED PAIR
EN12
EN12
2
DI
DRIVER
1/4 LTC487
120鈩?/div>
120鈩?/div>
1
4000 FT 24 GAUGE TWISTED PAIR
4
RECEIVER
1/4 LTC489
3
RO
U
EN
12
3
RO
LTC488/9 TA01
UO
UO
1

LTC488C相關(guān)型號PDF文件下載

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    Low Power RS485 Interface Transceiver
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    Quad RS485 Line Receiver
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