參數(shù)資料
型號(hào)： LTC1482CN8
廠(chǎng)商： LINEAR TECHNOLOGY CORP
元件分類(lèi)： 通用總線(xiàn)功能
英文描述： Quad General Purpose LinCMOS(TM) Differential Comparator 14-TSSOP
中文描述： LINE TRANSCEIVER, PDIP8
封裝： 0.300 INCH, PLASTIC, DIP-8
文件頁(yè)數(shù)： 1/16頁(yè)
文件大小： 262K
代理商： LTC1482CN8
1
LTC1482
Low Power RS485 Transceiver
with Carrier Detect and
Receiver Fail-Safe
DESCRIPTIO
U
I
No Damage or Latchup to
±
15kV (Human Body
Model), IEC1000-4-2 Level 4 (
±
8kV) Contact and
Level 3 (
±
8kV) Air Discharge
I
Active Low Carrier Detect Output
I
Guaranteed High Receiver Output State for
Floating, Shorted or Terminated Inputs with
No Signal Present
I
Drives Low Cost Residential Telephone Wires
I
Low Power: I
CC
= 700
μ
A Max with Driver Disabled
I
I
CC
= 900
μ
A Max in Driver Mode Without Load
I
20
μ
A Max Quiescent Current in Shutdown Mode
I
Single 5V Supply
I
–7V to 12V Common Mode Range Permits
±
7V
Ground Difference Between Devices on the Data Line
I
Maximum Data Rate of 4Mbps
I
Power Up/Down Glitch-Free Driver Outputs
I
Up to 32 Transceivers on the Bus
I
Available in 8-Lead
MSOP
, PDIP and SO Packages
The LTC
1482 is a low power RS485 compatible trans-
ceiver that offers an active low carrier detect output. The
open-drain carrier detect pin allows several transceivers
to share the same carrier detect line and can be used to
detect the insertion or removal of a driven RS485/RS422
cable.
Enhanced ESD protection allows the LTC1482 to with-
stand
±
15kV (human body model), IEC-1000-4-2 level 4
(
±
8kV) contact and level 3 (
±
8kV) air discharge ESD
without latchup or damage.
The LTC1482 receiver stays alive at all times except in
shutdown. The supply current is a maximum of 700
μ
A
and 900
μ
A when the driver is disabled and enabled
respectively. In shutdown, the quiescent current of the
LTC1482 drops to a maximum of 20
μ
A.
When the driver is disabled or the LTC1482 is in shut-
down, the driver outputs are three-stated and remain in
a high impedance state over the RS485 common mode
range.
Excessive power dissipation caused by bus contention or
faults is prevented by a thermal shutdown circuit, which
forces the driver outputs into a high impedance state.
The LTC1482 is fully specified over the commercial and
industrial temperature ranges and is available in 8-lead
MSOP, PDIP and SO packages.
I
Battery-Powered RS485/RS422 Applications
I
Low Power RS485/RS422 Transceiver
I
Level Translator
, LTC and LT are registered trademarks of Linear Technology Corporation.
RO1
CD1
DE1
DI1/SHDN1
R
V
CC1
LTC1482
GND1
B1
A1
B2
A2
120
120
D
V
CC2
GND2
1482 TA01
R
D
RO2
CD2
DE2
DI2/SHDN2
LTC1482
RS485 Interface
APPLICATIOU
FEATURES
TYPICAL APPLICATIO
U
Carrier Detect Output (2000 Foot STP Cable)
DE1
↑↓
DE2 = 0
1k PULL-UP AT CD
Dl1 = V
CC
Dl2 = V
CC
1482 TA01a
DE1
A2
B2
CD2
相關(guān)PDF資料
PDF描述
LTC1482I Quad General Purpose LinCMOS(TM) Differential Comparator 14-TSSOP
LTC1482IS8 Quad General Purpose LinCMOS(TM) Differential Comparator 14-SOIC
LTC1482 Low Power RS485 Transceiver with Carrier Detect and Receiver Fail-Safe(低功耗RS485收發(fā)器（帶載流子檢測(cè)和失效保險(xiǎn)）)
LTC1483C Quad General Purpose LinCMOS(TM) Differential Comparator 14-SOIC
LTC1483 Ultra-Low Power RS485 Low EMI Transceiver with Shutdown
相關(guān)代理商/技術(shù)參數(shù)
參數(shù)描述
LTC1482CN8#PBF 功能描述:IC TXRX RS485 LOWPWR 8-DIP RoHS:是 類(lèi)別:集成電路 (IC) >> 接口 - 驅(qū)動(dòng)器，接收器，收發(fā)器 系列:- 標(biāo)準(zhǔn)包裝:1 系列:- 類(lèi)型:線(xiàn)路收發(fā)器 驅(qū)動(dòng)器/接收器數(shù):5/3 規(guī)程:RS232 電源電壓:3 V ~ 5.5 V 安裝類(lèi)型:表面貼裝 封裝/外殼:28-SOIC（0.295"，7.50mm 寬） 供應(yīng)商設(shè)備封裝:28-SOIC 包裝:Digi-Reel® 產(chǎn)品目錄頁(yè)面:918 (CN2011-ZH PDF) 其它名稱(chēng):296-25096-6
LTC1482CS8 功能描述:IC TXRX RS485 LOWPWR 8-SOIC RoHS:否 類(lèi)別:集成電路 (IC) >> 接口 - 驅(qū)動(dòng)器，接收器，收發(fā)器 系列:- 標(biāo)準(zhǔn)包裝:121 系列:- 類(lèi)型:收發(fā)器 驅(qū)動(dòng)器/接收器數(shù):1/1 規(guī)程:RS422，RS485 電源電壓:3 V ~ 3.6 V 安裝類(lèi)型:表面貼裝 封裝/外殼:10-WFDFN 裸露焊盤(pán) 供應(yīng)商設(shè)備封裝:10-DFN（3x3） 包裝:管件
LTC1482CS8#PBF 功能描述:IC TXRX RS485 LOWPWR 8-SOIC RoHS:是 類(lèi)別:集成電路 (IC) >> 接口 - 驅(qū)動(dòng)器，接收器，收發(fā)器 系列:- 產(chǎn)品培訓(xùn)模塊:RS-232 & USB Transceiver 標(biāo)準(zhǔn)包裝:2,000 系列:- 類(lèi)型:收發(fā)器 驅(qū)動(dòng)器/接收器數(shù):1/1 規(guī)程:RS232 電源電壓:3 V ~ 5.5 V 安裝類(lèi)型:表面貼裝 封裝/外殼:16-SSOP（0.209"，5.30mm 寬） 供應(yīng)商設(shè)備封裝:16-SSOP 包裝:帶卷 (TR) 其它名稱(chēng):296-19849-2
LTC1482CS8#PBF 制造商:Linear Technology 功能描述:RS485 Driver IC
LTC1482CS8#TR 功能描述:IC TXRX RS485 DET/FAILSAFE 8SOIC RoHS:否 類(lèi)別:集成電路 (IC) >> 接口 - 驅(qū)動(dòng)器，接收器，收發(fā)器 系列:- 標(biāo)準(zhǔn)包裝:121 系列:- 類(lèi)型:收發(fā)器 驅(qū)動(dòng)器/接收器數(shù):1/1 規(guī)程:RS422，RS485 電源電壓:3 V ~ 3.6 V 安裝類(lèi)型:表面貼裝 封裝/外殼:10-WFDFN 裸露焊盤(pán) 供應(yīng)商設(shè)備封裝:10-DFN（3x3） 包裝:管件
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