參數(shù)資料
型號(hào)： LTC1685IS8#TR
廠商： Linear Technology
文件頁(yè)數(shù)： 1/12頁(yè)
文件大?。?/td> 0K
描述： IC TXRX RS485 PREC DELAY 8SOIC
標(biāo)準(zhǔn)包裝： 2,500
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： 4.75 V ~ 5.25 V
安裝類(lèi)型： 表面貼裝
封裝/外殼： 8-SOIC（0.154"，3.90mm 寬）
供應(yīng)商設(shè)備封裝： 8-SOIC
包裝： 帶卷 (TR)
1
LTC1685
FEATURES
APPLICATIO S
U
TYPICAL APPLICATION
U
DESCRIPTIO
U
52Mbps, Precision Delay,
RS485 Fail-Safe Transceiver
s
Precision Propagation Delay Over Temperature:
Receiver/Driver: 18.5ns
±3.5ns
s
High Data Rate:
52Mbps
s
Low tPLH/tPHL Skew:
Receiver/Driver: 500ps Typ
s
–7V to 12V RS485 Input Common Mode Range
s
Guaranteed Fail-Safe Receiver Operation Over the
Entire Common Mode Range
s
High Receiver Input Resistance:
≥22k, Even When
Unpowered
s
Short-Circuit Protected
s
Thermal Shutdown Protected
s
Driver Maintains High Impedance in Three-State or
with Power Off
s
Single 5V Supply
s
Pin Compatible with LTC485
s
45dB CMRR at 26MHz
The LTC
1685 is a high speed, precision delay RS485
transceiver that can operate at data rates as high as 52Mbps.
The device also meets the requirements of RS422.
A unique architecture provides very stable propagation
delays and low skew over a wide common mode and
ambient temperature range.
The driver and receiver feature three-state outputs, with
disabled driver outputs maintaining high impedance over
the entire common mode range. A short circuit feature
detects shorted outputs and substantially reduces driver
output current. A similar feature also protects the receiver
output from short circuits. Thermal shutdown circuitry
protects from excessive power dissipation.
The receiver has a fail-safe feature that guarantees a high
output state when the inputs are shorted or are left floating.
The LTC1685 RS485 transceiver guarantees receiver fail-
safe operation over the
entire common mode range (– 7V
to 12V). Input resistance will remain
≥22k when the device
is unpowered or disabled.
The LTC1685 operates from a single 5V supply and draws
only 7mA of supply current.
10Mbps Data Pulse
400ft Category 5 UTP
1685 TA02
DRIVER INPUT
RECEIVER
INPUT
RECEIVER
OUTPUT
100ns/DIV
1V/DIV
2V/DIV
5V/DIV
CABLE DELAY
, LTC and LT are registered trademarks of Linear Technology Corporation.
s
High Speed RS485/RS422 Transceivers
s
Level Translator
s
Backplane Transceiver
s
STS-1/OC-1 Data Transceiver
s
Fast-20, Fast-40 SCSI Transceivers
VCC1
GND1
R
RO1
RE1
DE1
DI1
D
Rt
1685 TA01
VCC2
GND2
R
RO2
RE2
DE2
DI2
D
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參數(shù)描述
LTC1686CS8 功能描述:IC TXRX RS485 PREC DELAY 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:27 系列:- 類(lèi)型:收發(fā)器 驅(qū)動(dòng)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(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:管件
LTC1686CS8#PBF 功能描述:IC TXRX RS485 PREC DELAY 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
LTC1686CS8#PBF 制造商:Linear Technology 功能描述:IC, RS-485 TRANSCEIVER, 5V, SOIC-8
LTC1686CS8#TR 功能描述:IC TXRX RS485 PREC DELAY 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:27 系列:- 類(lèi)型:收發(fā)器 驅(qū)動(dòng)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(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:管件
LTC1686CS8#TRPBF 功能描述:IC TXRX RS485 PREC DELAY 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:- 標(biāo)準(zhǔn)包裝:27 系列:- 類(lèi)型:收發(fā)器 驅(qū)動(dòng)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(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:管件
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