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参数资料
| 型号： | DS275 |
| 元件分类： | RS-232 |
| 英文描述： | 5V High-Speed RS-232 Transceivers with 0.1uF Capacitors |
| 中文描述： | 5V的高速RS - 232收发器与0.1uF电容 |
| 文件页数： | 1/8页 |
| 文件大小： | 126K |
| 代理商： | DS275 |
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FEATURES
Low-power serial transmitter/receiver for
battery-backed systems
Transmitter steals power from receive signal
line to save power
Ultra-low static current, even when connected
to RS-232-E port
Variable transmitter level from +5 to +12
volts
Compatible with RS-232-E signals
Available in 8-pin, 150 mil wide SOIC
package (DS275S)
Low-power CMOS
ORDERING INFORMATION
DS275
DS275S
DS275E
8-pin DIP
8-pin SOIC
14-pin TSSOP
PIN ASSIGNMENT
PIN DESCRIPTION
RX
OUT
V
DRV
TX
IN
GND
TX
OUT
NC
RX
IN
V
CC
- RS-232 Receiver Output
- Transmit driver +V
- RS-232 Driver Input
- System Ground (0V)
- RS-232 Driver Output
- No Connection
- RS-232 Receive Input
-System Logic Supply (+5V)
DESCRIPTION
The DS275 Line-Powered RS-232 Transceiver Chip is a CMOS device that provides a low-cost, very
low-power interface to RS-232 serial ports. The receiver input translates RS-232 signal levels to common
CMOS/TTL levels. The transmitter employs a unique circuit which steals current from the receive RS-
232 signal when that signal is in a negative state (marking). Since most serial communication ports
remain in a negative state statically, using the receive signal for negative power greatly reduces the
DS275’s static power consumption. This feature is especially important for battery-powered systems such
as laptop computers, remote sensors, and portable medical instruments. During an actual communication
session, the DS275’s transmitter will use system power (5-12 volts) for positive transitions while still
employing the receive signal for negative transitions.
DS275
Line-Powered RS-232 Transceiver Chip
www.dalsemi.com
DS275 8-Pin DIP (300-mil)
DS275 8-Pin SOIC (150-mil)
7
TX
IN
V
CC
NC
1
2
3
4
8
6
5
V
DRV
GND
RX
OUT
RX
IN
TX
OUT
DS275E 14-Pin TSSOP
13
12
11
10
V
DRV
NC
TX
IN
NC
GND
V
CC
NC
NC
RX
IN
NC
NC
TX
OUT
1
2
3
4
5
6
7
14
9
8
NC
RX
相关PDF资料 |
PDF描述 |
|---|---|
| DS275E | 5V High-Speed RS-232 Transceivers with 0.1uF Capacitors |
| DS275S | 5V High-Speed RS-232 Transceivers with 0.1uF Capacitors |
| DS2906SZ | Rectifier Diode |
| DS2906SZ35 | Rectifier Diode |
| DS2906SZ36 | Rectifier Diode |
相关代理商/技术参数 |
参数描述 |
|---|---|
| DS275+ | 功能描述:RS-232接口集成电路 Line-Powered RS-232 Transceiver Chip RoHS:否 制造商:Exar 数据速率:52 Mbps 工作电源电压:5 V 电源电流:300 mA 工作温度范围:- 40 C to + 85 C 安装风格:SMD/SMT 封装 / 箱体:LQFP-100 封装: |
| DS2751 | 制造商:MAXIM 制造商全称:Maxim Integrated Products 功能描述:Multichemistry Fuel Garge |
| DS2751+ | 制造商:MAXIM 制造商全称:Maxim Integrated Products 功能描述:Multichemistry Fuel Garge |
| DS2751+025 | 制造商:MAXIM 制造商全称:Maxim Integrated Products 功能描述:Multichemistry Fuel Garge |
| DS2751-025 | 制造商:MAXIM 制造商全称:Maxim Integrated Products 功能描述:Multichemistry Fuel Garge |
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