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參數(shù)資料
| 型號： | LTC491IS |
| 廠商： | LINEAR TECHNOLOGY CORP |
| 元件分類： | 通用總線功能 |
| 英文描述： | Differential Driver and Receiver Pair |
| 中文描述： | LINE TRANSCEIVER, PDSO14 |
| 封裝： | PLASTIC, SOIC-14 |
| 文件頁數(shù)： | 1/12頁 |
| 文件大?。?/td> | 236K |
| 代理商： | LTC491IS |
1
LTC491
I
Low Power: I
CC
= 300
μ
A Typical
I
Designed for RS485 or RS422 Applications
I
Single +5V Supply
I
–7V to +12V Bus Common Mode Range
Permits
±
7V Ground Difference Between Devices
on the Bus
I
Thermal Shutdown Protection
I
Power-Up/Down Glitch-Free Driver Outputs Permit
Live Insertion or Removal of Package
I
Driver Maintains High Impedance in Three-State or
with the Power Off
I
Combined Impedance of a Driver Output and
Receiver Allows up to 32 Transceivers on the Bus
I
70mV Typical Input Hysteresis
I
28ns Typical Driver Propagation Delays with 5ns
Skew
I
Pin Compatible with the SN75180
Differential Driver and
Receiver Pair
D
U
ESCRIPTIO
S
FEATURE
The LTC491 is a low power differential bus/line transceiver
designed for multipoint data transmission standard RS485
applications with extended common mode range (+12V to
–7V). It also meets the requirements of RS422.
The CMOS design offers significant power savings over its
bipolar counterpart without sacrificing ruggedness against
overload or ESD damage.
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.
Both AC and DC specifications are guaranteed from 0
°
C to
70
°
C and 4.75V to 5.25V supply voltage range.
I
Low Power RS485/RS422 Transceiver
I
Level Translator
U
S
A
O
PPLICATI
U
A
O
PPLICATI
TYPICAL
LTC491 TA01
120
120
120
120
4000 FT 24 GAUGE TWISTED PAIR
4000 FT 24 GAUGE TWISTED PAIR
RECEIVER
LTC491
DRIVER
RECEIVER
LTC491
DRIVER
R
D
R
D
5
2
11
12
10
9
4
DE
3
REB
DE
REB
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相關代理商/技術參數(shù) |
參數(shù)描述 |
|---|---|
| LTC491IS#PBF | 功能描述:IC TXRX RS485 LOW POWER 14-SOIC RoHS:是 類別:集成電路 (IC) >> 接口 - 驅動器，接收器，收發(fā)器 系列:- 產品培訓模塊:RS-232 & USB Transceiver 標準包裝:2,000 系列:- 類型:收發(fā)器 驅動器/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） 供應商設備封裝:16-SSOP 包裝:帶卷 (TR) 其它名稱:296-19849-2 |
| LTC491IS#PBF | 制造商:Linear Technology 功能描述:Driver/Receiver IC |
| LTC491IS#TR | 功能描述:IC TXRX RS485 LOW POWER 14-SOIC RoHS:否 類別:集成電路 (IC) >> 接口 - 驅動器，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） 供應商設備封裝:28-SOIC 包裝:管件 |
| LTC491IS#TRPBF | 功能描述:IC TXRX RS485 LOW POWER 14-SOIC RoHS:是 類別:集成電路 (IC) >> 接口 - 驅動器，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） 供應商設備封裝:28-SOIC 包裝:管件 |
| LTC491ISPBF | 制造商:Linear Technology 功能描述:RS-485/RS-422 Driver/Receiver SOIC14 |
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