Datasheet > ADS7870EA/250

ADS7870EA/250

更新时间： 2024-02-03 04:11:40

品牌	Logo	应用领域
德州仪器 - TI		光电二极管转换器
页数	文件大小	规格书
25页	883K
描述
8-CH 12-BIT SUCCESSIVE APPROXIMATION ADC, SERIAL ACCESS, PDSO28, SSOP-28

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ADS7870EA/250 技术参数

生命周期：	Obsolete	零件包装代码：	SSOP
包装说明：	SSOP-28	针数：	28
Reach Compliance Code：	unknown	ECCN代码：	3A001.A.2.C
HTS代码：	8542.39.00.01	风险等级：	5.34
Is Samacsys：	N	最大模拟输入电压：	5.2 V
最小模拟输入电压：	-0.2 V	最长转换时间：	4.8 µs
转换器类型：	ADC, SUCCESSIVE APPROXIMATION	JESD-30 代码：	R-PDSO-G28
长度：	10.2 mm	最大线性误差 (EL)：	0.061%
模拟输入通道数量：	8	位数：	12
功能数量：	1	端子数量：	28
最高工作温度：	125 °C	最低工作温度：	-55 °C
输出位码：	2'S COMPLEMENT BINARY	输出格式：	SERIAL
封装主体材料：	PLASTIC/EPOXY	封装代码：	SOP
封装等效代码：	SSOP28,.3	封装形状：	RECTANGULAR
封装形式：	SMALL OUTLINE	电源：	5 V
认证状态：	Not Qualified	采样速率：	0.052 MHz
座面最大高度：	2 mm	子类别：	Analog to Digital Converters
标称供电电压：	5 V	表面贴装：	YES
技术：	CMOS	温度等级：	MILITARY
端子形式：	GULL WING	端子节距：	0.65 mm
端子位置：	DUAL	宽度：	5.3 mm
Base Number Matches：	1

ADS7870EA/250 数据手册

ADS1202

SBAS275B – DECEMBER 2002 – REVISED JULY 2004

Motor Control Current Shunt

1-Bit, 10MHz, 2nd-Order, Delta-Sigma Modulator

FEATURES

● 16-BIT RESOLUTION

DESCRIPTION

The ADS1202 is a precision, 80dB dynamic range, delta-

sigma (∆Σ) modulator operating from a single +5V supply.

The differential inputs are ideal for direct connections to

transducers or low-level signals. With the appropriate digital

filter and modulator rate, the device can be used to achieve

16-bit Analog-to-Digital (A/D) conversion with no missing

codes. Effective resolution of 12 bits can be maintained with

a digital filter bandwidth of 10kHz at a modulator rate of

10MHz. The ADS1202 is designed for use in medium reso-

lution measurement applications including current measure-

ments, smart transmitters, industrial process control, weigh

scales, chromatography, and portable instrumentation. It is

available in a TSSOP-8 package.

● 13-BIT LINEARITY

● RESOLUTION/SPEED TRADE-OFF:

10-Bit Effective Resolution with 20µs Signal

Delay (12-bit with 77µs)

● ±250mV INPUT RANGE WITH SINGLE 5V SUPPLY

● 2% INTERNAL REFERENCE VOLTAGE

● 2% GAIN ERROR

● FLEXIBLE SERIAL INTERFACE WITH FOUR

DIFFERENT MODES

● IMPLEMENTED TWINNED BINARY CODING AS

SPLIT PHASE OR MANCHESTER CODING FOR

ONE LINE INTERFACING

● OPERATING TEMPERATURE RANGE:

–40°C to +85°C

APPLICATIONS

● MOTOR CONTROL

V_IN+

MDAT

2nd-Order

● CURRENT MEASUREMENT

● INDUSTRIAL PROCESS CONTROL

● INSTRUMENTATION

∆∑ Modulator

V_IN–

MCLK

Interface

Circuit

RC Oscillator

20MHz

V_DD

● SMART TRANSMITTERS

● PORTABLE INSTRUMENTS

● WEIGHT SCALES

GND

Reference

Voltage

2.5V

Buffer

● PRESSURE TRANSDUCERS

Please be aware that an important notice concerning availability, standard warranty, and use in critical applications of

Texas Instruments semiconductor products and disclaimers thereto appears at the end of this data sheet.

PRODUCTION DATA information is current as of publication date.

Products conform to specifications per the terms of Texas Instruments

standard warranty. Production processing does not necessarily include

testing of all parameters.

www.ti.com

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