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參數(shù)資料
| 型號： | LTC1687CS |
| 廠商： | LINEAR TECHNOLOGY CORP |
| 元件分類： | 通用總線功能 |
| 英文描述： | 12-Bit, 2.5 us Dual DAC, Serial Input, Pgrmable Settling Time, Simultaneous Update, Low Power 8-SOIC -40 to 125 |
| 中文描述： | LINE TRANSCEIVER, PDSO14 |
| 封裝： | 0.150 INCH, PLASTIC, SO-14 |
| 文件頁數(shù)： | 1/12頁 |
| 文件大小： | 285K |
| 代理商： | LTC1687CS |
1
LTC1686/LTC1687
52Mbps Precision Delay
RS485 Fail-Safe Transceivers
DESCRIPTIO
N
U
The LTC
1686/LTC1687 are high speed, precision delay,
full-duplex RS485 transceivers that can operate at data
rates as high as 52Mbps. The devices also meet 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 LTC1686/LTC1687 RS485 transceivers guarantee
receiver fail-safe operation over the entirecommon mode
range (–7V to 12V). Receiver input resistance remains
≥
22k when the device is unpowered or disabled.
The LTC1686/LTC1687 operate from a single 5V supply
and draw only 7mA of supply current.
I
Precision Propagation Delay Over Temperature:
Receiver/Driver: 18.5ns
±
3.5ns
I
High Data Rate: 52Mbps
I
Low t
PLH
/t
PHL
Skew:
Receiver/Driver: 500ps Typ
I
–7V to 12V RS485 Input Common Mode Range
I
Guaranteed Fail-Safe
Operation Over the Entire
Common Mode Range
I
High Input Resistance:
≥
22k, Even When Unpowered
I
Short-Circuit Protected
I
Thermal Shutdown Protected
I
Driver Maintains High Impedance in Three-State or
with Power Off
I
Single 5V Supply
I
Pin Compatible with LTC490/LTC491
I
45dB CMRR at 26MHz
FEATURES
APPLICATIO
S
U
I
High Speed RS485/RS422 Full Duplex Transceivers
I
Level Translator
I
Backplane Transceiver
I
STS-1/OC-1 Data Transceiver
I
Signal Repeaters
, LTC and LT are registered trademarks of Linear Technology Corporation.
10Mbps Data Pulse
400 Feet Category 5 UTP
1686/87 TA02
DRIVER INPUT
RECEIVER
INPUT
RECEIVER
OUTPUT
100ns/DIV
1V/DIV
2V/DIV
5V/DIV
CABLE DELAY
LTC1686/87 TA01
100
100
100
100
LTC1686
LTC1686
R
D
R
D
3
2
7
8
6
5
400 FT OF CATEGORY 5 UTP
RECEIVER
DRIVER
RECEIVER
DRIVER
TYPICAL APPLICATIO
N
U
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相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
|---|---|
| LTC1687CS#PBF | 功能描述:IC TXRX RS485 PREC DELAY 14-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)品培訓模塊:RS-232 & USB Transceiver 標準包裝: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） 供應商設(shè)備封裝:16-SSOP 包裝:帶卷 (TR) 其它名稱:296-19849-2 |
| LTC1687CS#TR | 功能描述:IC TXRX RS485 PREC DELAY 14SOIC RoHS:否 類別:集成電路 (IC) >> 接口 - 驅(qū)動器，接收器，收發(fā)器 系列:- 標準包裝: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） 供應商設(shè)備封裝:28-SOIC 包裝:管件 |
| LTC1687CS#TRPBF | 功能描述:IC TXRX RS485 PREC DELAY 14-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:- 標準包裝: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） 供應商設(shè)備封裝:28-SOIC 包裝:管件 |
| LTC1687CSPBF | 制造商:Linear Technology 功能描述:RS-485 Driver/Receiver 52Mbps Delay SO14 |
| LTC1687IS | 功能描述:IC TXRX RS485 PREC DELAY 14-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:- 標準包裝: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） 供應商設(shè)備封裝:28-SOIC 包裝:管件 |
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