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參數(shù)資料
| 型號： | LTC1480CN8 |
| 廠商： | LINEAR TECHNOLOGY CORP |
| 元件分類： | 通用總線功能 |
| 英文描述： | Quad General Purpose LinCMOS(TM) Differential Comparator 14-SOIC |
| 中文描述： | LINE TRANSCEIVER, PDIP8 |
| 封裝： | 0.300 INCH, PLASTIC, DIP-8 |
| 文件頁數(shù)： | 1/8頁 |
| 文件大小： | 231K |
| 代理商： | LTC1480CN8 |
1
LTC1480
3.3V Ultra-Low Power
RS485 Transceiver
U
ESCRIPTIO
The LTC
1480 is an ultra-low power differential line trans-
ceiver which provides full RS485 compatibility while oper-
ating from a single 3.3V supply. It is designed for data
transmission standard RS485 applications with extended
common-mode range (12V to –7V). It also meets the
requirements of RS422 and features high speed operation
up to 2.5Mb/s. The CMOS design offers significant power
savings without sacrificing ruggedness against overload
or ESD damage. Typical quiescent current is only 300
μ
A
while operating and 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. I/O pins are protected against multiple
ESD strikes of up to
±
10kV.
The LTC1480 is fully specified over the commercial and
extended industrial temperature range. The LTC1480 is
available in 8-pin SO and DIP packages.
S
FEATURE
D
I
True RS485 from a Single 3.3V Supply
I
Low Power: I
CC
= 500
μ
A Max with Driver Disabled
I
I
CC
= 600
μ
A Max with Driver Enabled, No Load
I
1
μ
A Quiescent in Shutdown Mode
I
ESD Protection to
±
10kV on Receiver Inputs and
Driver Outputs
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
50ns Typical Driver Propagation Delays with
10ns Skew
I
Pin Compatible with the LTC485
, LTC and LT are registered trademarks of Linear Technology Corporation.
I
Battery-Powered RS485/RS422 Applications
I
Low Power RS485/RS422 Transceiver
I
Level Translator
U
S
A
O
PPLICATI
U
A
O
PPLICATI
TYPICAL
Driver Differential
Output Voltage vs Output Current
3.3V RS485 Network
RO
RE
DE
D1
1
2
3
4
8
7
6
5
LTC1480 TA01
LTC1480
LTC1480
A
A
B
B
A
B
120
120
SHIELD
SHIELD
R
D
3.3V
RO
RE
DE
D1
1
2
3
4
8
7
6
5
LTC1480
R
D
3.3V
3.3V
R
D
1
RO
2
3
4
8
7
6
5
RE
DE D1
OUTPUT CURRENT (mA)
0
0
O
0.5
1.0
1.5
2.0
2.5
60
70
80
LTC1480 TA02
10
20
30
40
50
90
3.0
3.5
V
CC
= 3.3V
T
A
= 25
°
C
相關(guān)PDF資料 |
PDF描述 |
|---|---|
| LTC1480I | Quad General Purpose LinCMOS(TM) Differential Comparator 14-SOIC |
| LTC1480IS8 | Quad General Purpose LinCMOS(TM) Differential Comparator 14-PDIP |
| LTC1480 | 3.3V Ultra-Low Power RS485 Transceiver(3.3V，極低功耗，半雙工RS485收發(fā)器) |
| LTC1481C | Quad General Purpose LinCMOS(TM) Differential Comparator 14-PDIP |
| LTC1481IN8 | Ultra-Low Power RS485 Transceiver with Shutdown |
相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
|---|---|
| LTC1480CN8#PBF | 功能描述:IC TXRX 3.3V RS485 LOWPWR 8-DIP RoHS:是 類別:集成電路 (IC) >> 接口 - 驅(qū)動器，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 |
| LTC1480CS8 | 功能描述:IC TXRX 3.3V RS485 LOWPWR 8-SOIC RoHS:否 類別:集成電路 (IC) >> 接口 - 驅(qū)動器，接收器，收發(fā)器 系列:- 標(biāo)準(zhǔn)包裝:27 系列:- 類型:收發(fā)器 驅(qū)動器/接收器數(shù):3/3 規(guī)程:RS232，RS485 電源電壓:4.75 V ~ 5.25 V 安裝類型: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:管件 |
| LTC1480CS8#PBF | 功能描述:IC TXRX 3.3V RS485 LOWPWR 8-SOIC RoHS:是 類別:集成電路 (IC) >> 接口 - 驅(qū)動器，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 |
| LTC1480CS8#PBF | 制造商:Linear Technology 功能描述:Transceiver IC 制造商:Linear Technology 功能描述:IC, RS-485 TRANSCEIVER, 3.6V, SOIC-8 |
| LTC1480CS8#TR | 功能描述:IC TXRX RS485 3.3V ULT LP 8SOIC RoHS:否 類別:集成電路 (IC) >> 接口 - 驅(qū)動器，接收器，收發(fā)器 系列:- 標(biāo)準(zhǔn)包裝:27 系列:- 類型:收發(fā)器 驅(qū)動器/接收器數(shù):3/3 規(guī)程:RS232，RS485 電源電壓:4.75 V ~ 5.25 V 安裝類型: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:管件 |
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