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參數(shù)資料
| 型號(hào)： | LTC1481C |
| 廠商： | Linear Technology Corporation |
| 英文描述： | Quad General Purpose LinCMOS(TM) Differential Comparator 14-PDIP |
| 中文描述： | 超低功耗485收發(fā)器，帶有關(guān)斷 |
| 文件頁數(shù)： | 1/8頁 |
| 文件大?。?/td> | 219K |
| 代理商： | LTC1481C |
1
LTC1481
Ultra-Low Power
RS485 Transceiver
with Shutdown
S
FEATURE
D
U
ESCRIPTIO
The LTC
1481 is an ultra-low power differential line trans-
ceiver designed for data transmission standard RS485
applications. It will also meet the requirements of RS422.
The CMOS design offers significant power savings over its
bipolar counterparts without sacrificing ruggedness against
overload or ESD damage. Typical quiescent current is only
80
μ
A while operating and less than 1
μ
A in shutdown.
The driver and receiver feature three-state outputs, with
the driver outputs maintaining high impedance over the
entire 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 receiver has a fail-safe
feature which guarantees a high output state when the
inputs are left open.
The LTC1481 is fully specified over the commercial and
extended industrial temperature range and is available in
8-pin DIP and SO packages.
I
Low Power: I
CC
= 120
μ
A Max with Driver Disabled
I
I
CC
= 500
μ
A Max with Driver Enabled, No Load
I
Drivers/Receivers Have
±
10kV ESD Protection
I
1
μ
A Quiescent Current in Shutdown Mode
I
High Speed: Up to 2.5Mbits/s Data Rate
I
Single 5V Supply
I
–7V to 12V Common-Mode Range Permits
±
7V
Ground Difference Between Devices on the Data Line
I
Thermal Shutdown Protection
I
Power Up/Down Glitch-Free Driver Outputs Permit
Live Insertion or Removal of Transceiver
I
Driver Maintains High Impedance in Three-State
or with the Power Off
I
Up to 32 Transceivers on the Bus
I
30ns Typical Driver Propagation Delays
with 5ns Skew
I
Pin Compatible with the LTC485
U
S
A
O
PPLICATI
I
Battery-Powered RS485/RS422 Applications
I
Low Power RS485/RS422 Transceiver
I
Level Translator
U
A
O
PPLICATI
TYPICAL
TEMPERATURE (°C)
–50
S
μ
A
50
350
300
250
200
150
100
50
0
1481 TA02
0
–25
25
75
125
175
150
100
DRIVER ENABLED
DRIVER DISABLED
THERMAL SHUTDOWN
WITH DRIVER ENABLED
V
CC1
GND1
R
RO1
RE1
DE1
DI1
D
V
CC2
GND2
R
RO2
RE2
DE2
DI2
D
Rt
Rt
LTC1481 TA01
Supply Current vs Temperature
, LTC and LT are registered trademarks of Linear Technology Corporation.
相關(guān)PDF資料 |
PDF描述 |
|---|---|
| LTC1481IN8 | Ultra-Low Power RS485 Transceiver with Shutdown |
| LTC1481CN8 | Quad General Purpose LinCMOS(TM) Differential Comparator 14-PDIP |
| LTC1481CS8 | Quad General Purpose LinCMOS(TM) Differential Comparator 14-SO |
| LTC1481I | Quad General Purpose LinCMOS(TM) Differential Comparator 14-SO |
| LTC1481IS8 | Quad General Purpose LinCMOS(TM) Differential Comparator 14-TSSOP |
相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
|---|---|
| LTC1481CN8 | 功能描述:IC TXRX RS485 LOWPWR W/SHTDN8DIP RoHS:否 類別: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 安裝類型:表面貼裝 封裝/外殼:10-WFDFN 裸露焊盤 供應(yīng)商設(shè)備封裝:10-DFN（3x3） 包裝:管件 |
| LTC1481CN8#PBF | 功能描述:IC TXRX RS485 LOWPWR W/SHTDN8DIP RoHS:是 類別: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:296-19849-2 |
| LTC1481CN8PBF | 制造商:Linear Technology 功能描述:RS-485 Transceiver,LTC1481CN8 |
| LTC1481CS8 | 功能描述:IC TXRX RS485 LOPWR W/SHTDN8SOIC RoHS:否 類別: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 安裝類型:表面貼裝 封裝/外殼:10-WFDFN 裸露焊盤 供應(yīng)商設(shè)備封裝:10-DFN（3x3） 包裝:管件 |
| LTC1481CS8#PBF | 功能描述:IC TXRX RS485 LOPWR W/SHTDN8SOIC RoHS:是 類別: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:296-19849-2 |
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