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V62/09626-02XE

更新时间： 2024-11-30 08:15:07
品牌 Logo 应用领域
德州仪器 - TI 转换器
页数 文件大小 规格书
57页 1040K
描述
16-CHANNEL, 24-BIT ANALOG-TO-DIGITAL CONVERTER

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V62/09626-02XE 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：QFP
包装说明：HTQFP-48针数：48
Reach Compliance Code：compliantECCN代码：3A001.A.2.C
HTS代码：8542.39.00.01Factory Lead Time：6 weeks
风险等级：5.68最大模拟输入电压：4.341 V
最小模拟输入电压：-4.341 V转换器类型：ADC, DELTA-SIGMA
JESD-30 代码：S-PQFP-G48JESD-609代码：e4
长度：7 mm最大线性误差 (EL)：0.001%
湿度敏感等级：3标称负供电电压：-2.5 V
模拟输入通道数量：16位数：24
功能数量：1端子数量：48
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：HTFQFP
封装形状：SQUARE封装形式：FLATPACK, HEAT SINK/SLUG, THIN PROFILE, FINE PITCH
峰值回流温度（摄氏度）：260认证状态：Not Qualified
采样速率：0.125 MHz座面最大高度：1.2 mm
最大压摆率：12 mA最小供电电压：2.7 V
标称供电电压：2.5 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：0.5 mm
端子位置：QUAD处于峰值回流温度下的最长时间：NOT SPECIFIED
宽度：7 mmBase Number Matches：1

V62/09626-02XE 数据手册

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ADS1258-EP  
www.ti.com  
SBAS445C –MARCH 2009–REVISED DECEMBER 2009  
16-CHANNEL, 24-BIT ANALOG-TO-DIGITAL CONVERTER  
Check for Samples: ADS1258-EP  
1
FEATURES  
APPLICATIONS  
•
•
•
•
•
Medical, Avionics, and Process Control  
Machine and System Monitoring  
Fast Scan Multi-Channel Instrumentation  
Industrial Systems  
23  
•
24 Bits, No Missing Codes  
•
Fixed-Channel or Automatic Channel Scan  
Fixed-Channel Data Rate: 125 kSPS  
Auto-Scan Data Rate: 23.7 kSPS/Channel  
Single-Conversion Settled Data  
•
•
•
•
•
•
•
•
Test and Measurement Systems  
16 Single-Ended or 8 Differential Inputs  
Unipolar (5 V) or Bipolar (±2.5 V) Operation  
Low Noise: 2.8 μVRMS at 1.8kSPS  
0.0003% Integral Nonlinearity  
SUPPORTS DEFENSE, AEROSPACE,  
AND MEDICAL APPLICATIONS  
•
•
•
•
Controlled Baseline  
One Assembly/Test Site  
One Fabrication Site  
DC Stability (typical):  
0.02 μV/°C Offset Drift, 0.4 ppm/°C Gain Drift  
Available in Military (–55°C/125°C) and  
Industrial (–40°C/105°C) Temperature Ranges(1)  
•
•
•
Open-Sensor Detection  
Conversion Control Pin  
•
•
•
Extended Product Life Cycle  
Extended Product-Change Notification  
Product Traceability  
Multiplexer Output for External Signal  
Conditioning  
•
On-Chip Temperature, Reference, Offset, Gain,  
and Supply Voltage Readback  
•
•
•
•
42-mW Power Dissipation  
Standby, Sleep, and Power-Down Modes  
8 General-Purpose Inputs/Outputs (GPIO)  
32.768-kHz Crystal Oscillator or External Clock  
(1) Custom temperature ranges available  
DESCRIPTION  
The ADS1258 is a 16-channel (multiplexed), low-noise, 24-bit, delta-sigma (ΔΣ) analog-to-digital converter (ADC)  
that provides single-cycle settled data at channel scan rates from 1.8k to 23.7k samples per second (SPS) per  
channel. A flexible input multiplexer accepts combinations of eight differential or 16 single-ended inputs with a  
full-scale differential range of 5 V or true bipolar range of ±2.5 V when operating with a 5-V reference. The  
fourth-order delta-sigma modulator is followed by a fifth-order sinc digital filter optimized for low-noise  
performance.  
The differential output of the multiplexer is accessible to allow signal conditioning prior to the input of the ADC.  
Internal system monitor registers provide supply voltage, temperature, reference voltage, gain, and offset data.  
An onboard PLL generates the system clock from a 32.768-kHz crystal, or can be overridden by an external  
clock source. A buffered system clock output (15.7 MHz) is provided to drive a microcontroller or additional  
converters.  
Serial digital communication is handled via an SPI™ -compatible interface. A simple command word structure  
controls channel configuration, data rates, digital I/O, monitor functions, etc.  
Programmable sensor bias current sources can be used to bias sensors or verify sensor integrity.  
The ADS1258 operates from a unipolar 5-V or bipolar ±2.5-V analog supply and a digital supply compatible with  
interfaces ranging from 2.7 V to 5.25 V. The ADS1258 is available in QFN-48 and QFP-48 packages.  
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
3
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 the Texas  
Instruments standard warranty. Production processing does not  
necessarily include testing of all parameters.  
Copyright © 2009, Texas Instruments Incorporated  
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