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參數資料
| 型號： | LTC487IS |
| 廠商： | LINEAR TECHNOLOGY CORP |
| 元件分類： | 通用總線功能 |
| 英文描述： | Quad Low Power RS485 Driver |
| 中文描述： | QUAD LINE TRANSCEIVER, PDSO16 |
| 封裝： | PLASTIC, SOL-16 |
| 文件頁數： | 1/8頁 |
| 文件大小： | 225K |
| 代理商： | LTC487IS |
1
LTC487
Quad Low Power
RS485 Driver
D
The LTC487
is a low power differential bus/line driver
designed for multipoint data transmission standard RS485
applications with extended common-mode range (–7V to
12V). It also meets RS422 requirements.
U
ESCRIPTIO
2
DRIVER
LTC487 TA01
RECEIVER
DI
EN 12
4
3
1
1/4 LTC487
120
120
RO
3
EN 12
4
2
1
1/4 LTC489
4000 FT BELDEN 9841
I
Very Low Power: I
CC
= 110
μ
A Typ
I
Designed for RS485 or RS422 Applications
I
Single 5V Supply
I
–7V to 12V Bus Common-Mode Range Permits
±
7V GND Difference Between Devices on the Bus
I
Thermal Shutdown Protection
I
Power-Up/Down Glitch-Free Driver Outputs Permit
Live Insertion/Removal of Package
I
Driver Maintains High Impedance in Three-State or
with the Power Off
I
28ns Typical Driver Propagation Delays with
5ns Skew
I
Pin Compatible with the SN75174, DS96174,
μ
A96174, and DS96F174
S
FEATURE
The CMOS design offers significant power savings over its
bipolar counterpart without sacrificing ruggedness against
overload or ESD damage.
The driver features three-state outputs, with the driver
outputs maintaining high impedance over the entire com-
mon-mode range. Excessive power dissipation caused by
bus contention or faults is prevented by a thermal shut-
down circuit which forces the driver outputs into a high
impedance state.
Both AC and DC specifications are guaranteed from 0
°
C to
70
°
C (Commercial), –40
°
C to 85
°
C (Industrial) and over
the 4.75V to 5.25V supply voltage range.
I
Low Power RS485/RS422 Drivers
I
Level Translator
U
S
A
O
PPLICATI
U
A
O
PPLICATI
TYPICAL
DATA RATE (bps)
10k
10
C
100
1k
10k
100k
1M
10M
LTC487 TA09
2.5M
* APPLIES FOR 24 GAUGE, POLYETHYLENE
DIELECTRIC TWISTED PAIR
and LTC are registered trademarks and LT is a trademark of Linear Technology Corporation.
RS485 Cable Length Specification*
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相關代理商/技術參數 |
參數描述 |
|---|---|
| LTC487ISW | 功能描述:IC DVR RS485 LOW PWR QUAD 16SOIC RoHS:否 類別:集成電路 (IC) >> 接口 - 驅動器，接收器，收發器 系列:- 標準包裝:27 系列:- 類型:收發器 驅動器/接收器數:3/3 規程: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 |
| LTC487ISW#PBF | 功能描述:IC DVR RS485 LOW PWR QUAD 16SOIC RoHS:是 類別:集成電路 (IC) >> 接口 - 驅動器，接收器，收發器 系列:- 標準包裝:27 系列:- 類型:收發器 驅動器/接收器數:3/3 規程: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 |
| LTC487ISW#TR | 功能描述:IC DRIVER RS485 QUAD LP 16SOIC RoHS:否 類別:集成電路 (IC) >> 接口 - 驅動器，接收器，收發器 系列:- 標準包裝:27 系列:- 類型:收發器 驅動器/接收器數:3/3 規程: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 |
| LTC487ISW#TRPBF | 功能描述:IC DVR RS485 LOW PWR QUAD 16SOIC RoHS:是 類別:集成電路 (IC) >> 接口 - 驅動器，接收器，收發器 系列:- 標準包裝:27 系列:- 類型:收發器 驅動器/接收器數:3/3 規程: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 |
| LTC488CN | 功能描述:IC LINE RCVR RS485 QUAD 16-DIP RoHS:否 類別:集成電路 (IC) >> 接口 - 驅動器，接收器，收發器 系列:- 標準包裝:27 系列:- 類型:收發器 驅動器/接收器數:3/3 規程: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 |
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