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DS275S+ PDF预览

DS275S+

更新时间: 2024-02-13 10:39:53
品牌 Logo 应用领域
美信 - MAXIM 驱动光电二极管接口集成电路驱动器
页数 文件大小 规格书
8页 138K
描述
Line Transceiver, 1 Func, 1 Driver, 1 Rcvr, CMOS, PDSO8, 0.150 INCH, ROHS COMPLIANT, SOIC-8

DS275S+ 技术参数

是否Rohs认证: 符合生命周期:Obsolete
零件包装代码:SOIC包装说明:SOP, SOP8,.25
针数:8Reach Compliance Code:compliant
ECCN代码:EAR99HTS代码:8542.39.00.01
风险等级:7.87差分输出:NO
驱动器位数:1输入特性:SCHMITT TRIGGER
接口集成电路类型:LINE TRANSCEIVER接口标准:EIA-232-E
JESD-30 代码:R-PDSO-G8JESD-609代码:e3
长度:4.9 mm功能数量:1
端子数量:8最高工作温度:85 °C
最低工作温度:-40 °C最大输出低电流:0.0032 A
封装主体材料:PLASTIC/EPOXY封装代码:SOP
封装等效代码:SOP8,.25封装形状:RECTANGULAR
封装形式:SMALL OUTLINE峰值回流温度(摄氏度):260
电源:5 V认证状态:Not Qualified
最大接收延迟:接收器位数:1
座面最大高度:1.75 mm子类别:Line Driver or Receivers
最大压摆率:0.1 mA最大供电电压:5.5 V
最小供电电压:4.5 V标称供电电压:5 V
表面贴装:YES技术:CMOS
温度等级:INDUSTRIAL端子面层:Matte Tin (Sn)
端子形式:GULL WING端子节距:1.27 mm
端子位置:DUAL处于峰值回流温度下的最长时间:NOT SPECIFIED
宽度:3.9 mmBase Number Matches:1

DS275S+ 数据手册

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DS275  
Line-Powered RS-232 Transceiver Chip  
www.dalsemi.com  
FEATURES  
PIN ASSIGNMENT  
Low-power serial transmitter/receiver for  
battery-backed systems  
VCC  
RXOUT  
1
2
3
4
8
7
6
5
RXIN  
NC  
VDRV  
TXIN  
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)  
GND  
TXOUT  
DS275 8-Pin DIP (300-mil)  
DS275 8-Pin SOIC (150-mil)  
RXOUT  
NC  
1
2
14  
13  
12  
11  
10  
9
VCC  
NC  
NC  
RXIN  
NC  
VDRV  
3
4
5
6
7
NC  
TXIN  
NC  
Low-power CMOS  
NC  
TXOUT  
8
GND  
ORDERING INFORMATION  
DS275E 14-Pin TSSOP  
DS275  
8-pin DIP  
DS275S  
DS275E  
8-pin SOIC  
14-pin TSSOP  
PIN DESCRIPTION  
RXOUT  
VDRV  
TXIN  
GND  
TXOUT  
NC  
- RS-232 Receiver Output  
- Transmit driver +V  
- RS-232 Driver Input  
- System Ground (0V)  
- RS-232 Driver Output  
- No Connection  
RXIN  
VCC  
- 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.  
1 of 8  
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