DS276S

更新时间： 2024-09-29 22:50:51

品牌	Logo	应用领域
达拉斯 - DALLAS		/
页数	文件大小	规格书
11页	134K
描述
Low Power Transceiver Chip

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中文翻译

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技术参数
数据手册

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DS276S 技术参数

是否Rohs认证：	不符合	生命周期：	Transferred
包装说明：	0.150 INCH, SOIC-8	Reach Compliance Code：	unknown
风险等级：	5.91	差分输出：	NO
驱动器位数：	1	高电平输入电流最大值：	0.000001 A
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-G8
JESD-609代码：	e0	功能数量：	1
端子数量：	8	最高工作温度：	70 °C
最低工作温度：		最小输出摆幅：	10 V
最大输出低电流：	0.0005 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
电源：	3/5 V	认证状态：	Not Qualified
最大接收延迟：		接收器位数：	1
子类别：	Line Driver or Receivers	最大压摆率：	5.1 mA
最大供电电压：	5.5 V	最小供电电压：	2.7 V
标称供电电压：	3 V	表面贴装：	YES
技术：	CMOS	温度等级：	COMMERCIAL
端子面层：	Tin/Lead (Sn/Pb)	端子形式：	GULL WING
端子节距：	1.27 mm	端子位置：	DUAL

DS276S 数据手册

DS276

Low Power Transceiver Chip

www.dalsemi.com

FEATURES

PIN ASSIGNMENT

ꢀ Low-power serial transmitter/receiver for

battery-backed systems

RX_OUT

V_DRV+

TX_IN

V_CC

ꢀ Transmitter steals power from receive signal

line to save power

ꢀ Single 3V or 5V operation

ꢀ Full duplex operation up to 20k bps

ꢀ Ultra-low static current

RX_IN

V_DRV-

TX_OUT

GND

ꢀ Compatible with RS-232-E signals

DS276 8-Pin DIP (300-mil)

DS 276S 8-Pin SOIC (150-mil)

PIN DESCRIPTION

RX_OUT

V_DRV+

TX_IN

RS-232 Receiver Output

Transmit Driver Positive Supply

RS-232 Driver Input

GND

TX_OUT

V_DRV-

RX_IN

V_CC

System Ground (0V)

RS-232 Driver Output

Transmit Driver Negative Supply

RS-232 Receiver Input

System Logic Supply (3-5V)

ORDERING INFORMATION

DS276

8-Pin DIP

DS276S

8-Pin SOIC

DESCRIPTION

The DS276 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 can be used with independently supplied positive and negative

supplies, but in most cases will be used with the positive supply, sharing the logic supply and the negative

supply stolen from the receive RS-232 signal when that signal is in a negative state (marking). By using

an external reservoir capacitor and Schottky diode (see Figure 4) this negative supply can be maintained

even during full-duplex operation. Since most serial communication ports remain in a negative state

statically, using the receive signal for negative power greatly reduces the DS276’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 DS276’s

transmitter will use system power (3-12 volts) for positive transitions while still employing the receive

signal for negative transitions.

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与DS276S相关器件

型号	品牌	获取价格	描述	数据表
DS276S+T&R	MAXIM	获取价格	Line Transceiver, 1 Func, 1 Driver, 1 Rcvr, CMOS, PDSO8, 0.150 INCH, ROHS COMPLIANT, SOIC-
DS276SN+T&R	MAXIM	获取价格	Line Transceiver, 1 Func, 1 Driver, 1 Rcvr, CMOS, PDSO8, 0.150 INCH, ROHS COMPLIANT, SOIC-
DS2770	DALLAS	获取价格	Battery Monitor and Charge Controller
DS2770AE	DALLAS	获取价格	Battery Monitor and Charge Controller
DS2770AE/R	DALLAS	获取价格	Battery Monitor and Charge Controller
DS2770AE/T	DALLAS	获取价格	Battery Monitor and Charge Controller
DS2770AE/T&R	DALLAS	获取价格	Battery Monitor and Charge Controller
DS2770AE/TR	ETC	获取价格	Analog IC
DS2770AE+	MAXIM	获取价格	Power Supply Support Circuit, Fixed, 1 Channel, PDSO16, LEAD FREE, TSSOP-16
DS2770AE+025	MAXIM	获取价格	Power Supply Support Circuit, Fixed, 1 Channel, PDSO16, LEAD FREE, TSSOP-16

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