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ADS1256IDBT PDF预览

ADS1256IDBT

更新时间: 2024-01-06 12:33:59
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
45页 1002K
描述
Very Low Noise, 24-Bit Analog-to-Digital Converter

ADS1256IDBT 技术参数

是否无铅: 不含铅是否Rohs认证: 符合
生命周期:Active零件包装代码:SSOP
包装说明:SSOP, SSOP28,.3针数:28
Reach Compliance Code:compliantECCN代码:EAR99
HTS代码:8542.39.00.01Factory Lead Time:6 weeks
风险等级:0.91最大模拟输入电压:5 V
最小模拟输入电压:-5 V转换器类型:ADC, DELTA-SIGMA
JESD-30 代码:R-PDSO-G28JESD-609代码:e4
长度:10.2 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:8
位数:24功能数量:1
端子数量:28最高工作温度:85 °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:SSOP封装等效代码:SSOP28,.3
封装形状:RECTANGULAR封装形式:SMALL OUTLINE, SHRINK PITCH
峰值回流温度(摄氏度):260电源:1.8,5 V
认证状态:Not Qualified采样速率:0.03 MHz
座面最大高度:2 mm子类别:Other Converters
最大压摆率:50 mA最小供电电压:1.8 V
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:5.3 mmBase Number Matches:1

ADS1256IDBT 数据手册

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ADS1255  
ADS1256  
SBAS288K JUNE 2003 REVISED SEPTEMBER 2013  
Very Low Noise, 24-Bit  
Analog-to-Digital Converter  
FEATURES  
DESCRIPTION  
The ADS1255 and ADS1256 are extremely low-noise,  
D
24 Bits, No Missing Codes  
24-bit analog-to-digital (A/D) converters. They provide  
complete high-resolution measurement solutions for the  
most demanding applications.  
All Data Rates and PGA Settings  
Up to 23 Bits Noise-Free Resolution  
0.0010% Nonlinearity (max)  
D
D
D
D
The converter is comprised of a 4th-order, delta-sigma  
(ΔΣ) modulator followed by a programmable digital filter. A  
flexible input multiplexer handles differential or  
single-ended signals and includes circuitry to verify the  
integrity of the external sensor connected to the inputs.  
The selectable input buffer greatly increases the input  
impedance and the low-noise programmable gain  
amplifier (PGA) provides gains from 1 to 64 in binary steps.  
The programmable filter allows the user to optimize  
between a resolution of up to 23 bits noise-free and a data  
rate of up to 30k samples per second (SPS). The  
converters offer fast channel cycling for measuring  
multiplexed inputs and can also perform one-shot  
conversions that settle in just a single cycle.  
Data Output Rates to 30kSPS  
Fast Channel Cycling  
18.6 Bits Noise-Free (21.3 Effective Bits)  
at 1.45kHz  
D
D
One-Shot Conversions with Single-Cycle  
Settling  
Flexible Input Multiplexer with Sensor Detect  
Four Differential Inputs (ADS1256 only)  
Eight Single-Ended Inputs (ADS1256 only)  
D
D
D
Chopper-Stabilized Input Buffer  
Low-Noise PGA: 27nV Input-Referred Noise  
Self and System Calibration for All PGA  
Settings  
Communication is handled over an SPI-compatible serial  
interface that can operate with a 2-wire connection.  
Onboard calibration supports both self and system  
correction of offset and gain errors for all the PGA settings.  
Bidirectional digital I/Os and a programmable clock output  
driver are provided for general use. The ADS1255 is  
packaged in an SSOP-20, and the ADS1256 in an  
SSOP-28.  
D
D
D
D
5V Tolerant SPI-Compatible Serial Interface  
Analog Supply: 5V  
Digital Supply: 1.8V to 3.6V  
Power Dissipation  
As Low as 38mW in Normal Mode  
0.4mW in Standby Mode  
AVDD  
VREFP VREFN  
DVDD  
APPLICATIONS  
AIN0  
AIN1  
XTAL1/CLKIN  
XTAL2  
Clock  
Generator  
D
D
D
D
D
Scientific Instrumentation  
Industrial Process Control  
Medical Equipment  
1:64  
PGA  
AIN2  
AIN3  
Mux  
and  
Sensor  
Detect  
RESET  
4thOrder  
Modulator  
Programmable  
Digital Filter  
Buffer  
Control  
SYNC/PDWN  
AIN4  
AIN5  
AIN6  
AIN7  
Test and Measurement  
Weigh Scales  
DRDY  
SCLK  
DIN  
General  
Purpose  
Digital I/O  
Serial  
Interface  
AINCOM  
DOUT  
CS  
AGND  
D3 D2  
D1 D0/CLKOUT  
DGND  
ADS1256  
Only  
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.  
SPI is a trademark of Motorola, Inc. All other 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 Texas Instruments standard warranty.  
Production processing does not necessarily include testing of all parameters.  
Copyright © 20032013, Texas Instruments Incorporated  
www.ti.com  

ADS1256IDBT 替代型号

型号 品牌 替代类型 描述 数据表
ADS1256IDBTG4 TI

类似代替

适用于工厂自动化和过程控制且具有 PGA 的 24 位、30kSPS、8 通道 Δ-Σ A
ADS1256IDBR TI

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Very Low Noise, 24-Bit Analog-to-Digital Converter
ADS8519IBDB TI

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16-BIT 250-KSPS SERIAL CMOS SAMPLING ANALOG-TO-DIGITAL CONVERTER

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