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ADS1234IPWRG4 PDF预览

ADS1234IPWRG4

更新时间： 2024-09-30 06:36:23
品牌 Logo 应用领域
德州仪器 - TI 转换器模数转换器传感器光电二极管
页数 文件大小 规格书
34页 630K
描述
24-Bit Analog-to-Digital Converter For Bridge Sensors

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中文翻译

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ADS1234IPWRG4 技术参数

是否Rohs认证：符合生命周期：Obsolete
零件包装代码：SSOP包装说明：GREEN, PLASTIC, TSSOP-28
针数：28Reach Compliance Code：compliant
ECCN代码：EAR99HTS代码：8542.39.00.01
风险等级：5.36Is Samacsys：N
最大模拟输入电压：5.4 V最小模拟输入电压：-0.1 V
转换器类型：ADC, DELTA-SIGMAJESD-30 代码：R-PDSO-G28
JESD-609代码：e4长度：9.7 mm
最大线性误差 (EL)：0.001%湿度敏感等级：2
模拟输入通道数量：4位数：24
功能数量：1端子数量：28
最高工作温度：105 °C最低工作温度：-40 °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：TSSOP
封装等效代码：TSSOP28,.25封装形状：RECTANGULAR
封装形式：SMALL OUTLINE, THIN PROFILE, SHRINK PITCH峰值回流温度（摄氏度）：260
电源：5 V认证状态：Not Qualified
座面最大高度：1.2 mm子类别：Analog to Digital Converters
最大压摆率：2.5 mA标称供电电压：5 V
表面贴装：YES温度等级：INDUSTRIAL
端子面层：Nickel/Palladium/Gold (Ni/Pd/Au)端子形式：GULL WING
端子节距：0.65 mm端子位置：DUAL
处于峰值回流温度下的最长时间：NOT SPECIFIED宽度：4.4 mm
Base Number Matches：1

ADS1234IPWRG4 数据手册

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ADS1232  
ADS1234  
www.ti.com  
SBAS350F–JUNE 2005–REVISED FEBRUARY 2008  
24-Bit Analog-to-Digital Converter  
For Bridge Sensors  
1
FEATURES  
DESCRIPTION  
2
•
Complete Front-End for Bridge Sensors  
The ADS1232 and ADS1234 are precision 24-bit  
analog-to-digital converters (ADCs). With an onboard,  
low-noise programmable gain amplifier (PGA),  
precision delta-sigma ADC and internal oscillator, the  
ADS1232/4 provide a complete front-end solution for  
bridge sensor applications including weigh scales,  
strain gauges and pressure sensors.  
•
•
•
Up to 23.5 Effective Bits  
Onboard, Low-Noise PGA  
RMS Noise:  
17nV at 10SPS (PGA = 128)  
44nV at 80SPS (PGA = 128)  
•
•
19.2-Bit Noise-Free Resolution at Gain = 64  
The input multiplexer accepts either two (ADS1232)  
or four (ADS1234) differential inputs. The ADS1232  
also includes an onboard temperature sensor to  
monitor ambient temperature. The onboard, low-noise  
PGA has a selectable gain of 1, 2, 64, or 128  
supporting a full-scale differential input of ±2.5V,  
±1.25V, ±39mV, or ±19.5mV. The delta-sigma ADC  
has 23.5-bit effective resolution and is comprised of a  
3rd-order modulator and 4th-order digital filter. Two  
data rates are supported: 10SPS (with both 50Hz and  
60Hz rejection) and 80SPS. The ADS1232/4 can be  
clocked externally using an oscillator or a crystal.  
There is also an internal oscillator available that  
requires no external components. Offset calibration is  
performed on-demand and the ADS1232/4 can be  
put in a low-power standby mode or shut off  
completely in power-down mode. All of the features of  
the ADS1232/4 are operated through simple  
pin-driven control. There are no digital registers to  
program in order to simplify software development.  
Data are output over an easily-isolated serial  
interface that connects directly to the MSP430 and  
other microcontrollers.  
Over 100dB Simultaneous 50Hz and 60Hz  
Rejection  
•
Flexible Clocking:  
Low-Drift Onboard Oscillator (±3%)  
Optional External Crystal  
•
•
Selectable Gains of 1, 2, 64, and 128  
Easy Ratiometric Measurements–  
External Voltage Reference up to 5V  
•
•
Selectable 10SPS or 80SPS Data Rates  
Two-Channel Differential Input with Built-In  
Temperature Sensor (ADS1232)  
•
•
•
•
Four-Channel Differential Input (ADS1234)  
Simple Serial Digital Interface  
Supply Range: 2.7V to 5.3V  
–40°C to +105°C Temperature Range  
APPLICATIONS  
•
•
•
•
Weigh Scales  
Strain Gauges  
Pressure Sensors  
Industrial Process Control  
The ADS1232 is available in a TSSOP-24 package  
and the ADS1234 is in a TSSOP-28. Both are fully  
specified from -40°C to +105°C.  
CAP  
REFP REFN  
DVDD  
AVDD  
GAIN [1:0]  
PDWN  
Gain =  
AINP1  
AINN1  
1, 2, 64, or 128  
AINP2  
AINN2  
DRDY/DOUT  
SCLK  
Input  
Mux  
PGA  
DS ADC  
AINP3  
AINN3  
Internal Oscillator  
External Oscillator  
ADS1234  
SPEED  
AINP4  
AINN4  
Only  
A1/TEMP(1) A0  
AGND  
CAP  
CLKIN/XTAL1 XTAL2  
DGND  
NOTE: (1) A1 for ADS1234, TEMP for ADS1232.  
1
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.  
2
All trademarks are the property of their respective owners.  
PRODUCTION DATA information is current as of publication date.  
Products conform to specifications per the terms of the Texas  
Instruments standard warranty. Production processing does not  
necessarily include testing of all parameters.  
Copyright © 2005–2008, Texas Instruments Incorporated  
1234567...34

中文翻译

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ADS1234IPWRG4 替代型号

型号 品牌 替代类型 描述 数据表
ADS1234IPWG4 TI

类似代替

 24-Bit Analog-to-Digital Converter For Bridge Sensors
ADS1234IPW TI

类似代替

 24-Bit Analog-to-Digital Converter For Bridge Sensors

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