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参数资料
| 型号： | AD7739 |
| 厂商： | Analog Devices, Inc. |
| 元件分类： | ADC |
| 英文描述： | 8-Channel, High Throughput, 24-Bit Sigma-Delta ADC |
| 中文描述： | 8通道，高吞吐量，24位Σ-Δ模数转换器 |
| 文件页数： | 2/32页 |
| 文件大小： | 380K |
| 代理商： | AD7739 |
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AD7739
TABLE OF CONTENTS
AD7739—Specifications..................................................................3
Rev. 0 | Page 2 of 32
Timing Specifications.......................................................................6
Absolute Maximum Ratings............................................................8
Typical Performance Characteristics.............................................9
Output Noise and Resolution Specification................................10
Chopping Enabled......................................................................10
Chopping Disabled.....................................................................11
Pin Configuration and Function Descriptions...........................12
Register Descriptions.....................................................................14
Register Access............................................................................15
Communications Register.........................................................15
I/O Port Register.........................................................................16
Revision Register........................................................................16
Test Register................................................................................16
ADC Status Register...................................................................17
Checksum Register.....................................................................17
ADC Zero-Scale Calibration Register.....................................17
ADC Full-Scale Calibration Register.......................................17
Channel Data Registers .............................................................17
Channel Zero-Scale Calibration Registers..............................18
Channel Full-Scale Calibration Registers................................18
Channel Status Registers ...........................................................18
Channel Setup Registers............................................................19
Channel Conversion Time Registers.......................................20
Mode Register.............................................................................20
Digital Interface Description........................................................ 22
Hardware..................................................................................... 22
Reset............................................................................................. 23
Access the AD7739 Registers.................................................... 23
Single Conversion and Reading Data...................................... 23
Dump Mode................................................................................ 23
Continuous Conversion Mode................................................. 24
Continuous Read (Continuous Conversion) Mode.............. 25
Circuit Description......................................................................... 26
Analog Inputs.............................................................................. 26
Sigma-Delta ADC....................................................................... 26
Chopping..................................................................................... 26
Multiplexer, Conversion, and Data Output Timing............... 27
Frequency Response .................................................................. 28
Analog Input’s Extended Voltage Range ................................. 29
Voltage Reference Inputs........................................................... 29
Reference Detect......................................................................... 29
I/O Port........................................................................................ 29
Calibration................................................................................... 30
ADC Zero-Scale Self-Calibration........................................ 30
ADC Full-Scale Self-Calibration.......................................... 30
Per Channel System Calibration.......................................... 30
Outline Dimensions....................................................................... 32
ESD Caution................................................................................ 32
Ordering Guide .......................................................................... 32
REVISION HISTORY
Revision 0: Initial Version
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| AD7739BRU | 功能描述:IC ADC 24BIT 8-CH 24-TSSOP RoHS:否 类别:集成电路 (IC) >> 数据采集 - 模数转换器 系列:- 标准包装:1,000 系列:- 位数:12 采样率（每秒）:300k 数据接口:并联 转换器数目:1 功率耗散（最大）:75mW 电压电源:单电源 工作温度:0°C ~ 70°C 安装类型:表面贴装 封装/外壳:24-SOIC（0.295"，7.50mm 宽） 供应商设备封装:24-SOIC 包装:带卷 (TR) 输入数目和类型:1 个单端，单极；1 个单端，双极 |
| AD7739BRU-REEL | 功能描述:IC ADC 24BIT 8CH SIG-DEL 24TSSOP RoHS:否 类别:集成电路 (IC) >> 数据采集 - 模数转换器 系列:- 标准包装:1,000 系列:- 位数:12 采样率（每秒）:300k 数据接口:并联 转换器数目:1 功率耗散（最大）:75mW 电压电源:单电源 工作温度:0°C ~ 70°C 安装类型:表面贴装 封装/外壳:24-SOIC（0.295"，7.50mm 宽） 供应商设备封装:24-SOIC 包装:带卷 (TR) 输入数目和类型:1 个单端，单极；1 个单端，双极 |
| AD7739BRU-REEL7 | 制造商:Analog Devices 功能描述:ADC Single Delta-Sigma 3.05Msps 24-bit Serial 24-Pin TSSOP T/R 制造商:Analog Devices 功能描述:ADC SGL DELTA-SIGMA 15.133KSPS 24BIT SERL 24TSSOP - Tape and Reel |
| AD7739BRUZ | 功能描述:IC ADC 24BIT 8-CH 24-TSSOP RoHS:是 类别:集成电路 (IC) >> 数据采集 - 模数转换器 系列:- 标准包装:1 系列:microPOWER™ 位数:8 采样率（每秒）:1M 数据接口:串行，SPI? 转换器数目:1 功率耗散（最大）:- 电压电源:模拟和数字 工作温度:-40°C ~ 125°C 安装类型:表面贴装 封装/外壳:24-VFQFN 裸露焊盘 供应商设备封装:24-VQFN 裸露焊盘（4x4） 包装:Digi-Reel® 输入数目和类型:8 个单端，单极 产品目录页面:892 (CN2011-ZH PDF) 其它名称:296-25851-6 |
| AD7739BRUZ | 制造商:Analog Devices 功能描述:IC, ADC, 24BIT, 15.1KSPS, TSSOP-24 |
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