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ADS7812UG4 PDF预览

ADS7812UG4

更新时间： 2024-11-20 14:40:47
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
24页 1006K
描述
1-CH 12-BIT SUCCESSIVE APPROXIMATION ADC, SERIAL ACCESS, PDSO16, GREEN, PLASTIC, SOIC-16

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ADS7812UG4 技术参数

是否无铅： 不含铅是否Rohs认证： 符合
生命周期：Obsolete零件包装代码：SOIC
包装说明：SOP, SOP16,.4针数：16
Reach Compliance Code：unknownECCN代码：EAR99
HTS代码：8542.39.00.01风险等级：5.7
最大模拟输入电压：10 V最小模拟输入电压：-10 V
最长转换时间：20 µs转换器类型：ADC, SUCCESSIVE APPROXIMATION
JESD-30 代码：R-PDSO-G16JESD-609代码：e4
长度：10.3 mm最大线性误差 (EL)：0.0244%
湿度敏感等级：3模拟输入通道数量：1
位数：12功能数量：1
端子数量：16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：SOP封装等效代码：SOP16,.4
封装形状：RECTANGULAR封装形式：SMALL OUTLINE
峰值回流温度（摄氏度）：260电源：5 V
认证状态：Not Qualified采样速率：0.04 MHz
采样并保持/跟踪并保持：SAMPLE座面最大高度：2.65 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：INDUSTRIAL端子面层：Nickel/Palladium/Gold (Ni/Pd/Au)
端子形式：GULL WING端子节距：1.27 mm
端子位置：DUAL处于峰值回流温度下的最长时间：NOT SPECIFIED
宽度：7.5 mmBase Number Matches：1

ADS7812UG4 数据手册

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ADS7812  
ADS7812  
A
D
S
7
8
1
2
SBAS042A – MARCH 1997 – REVISED SEPTEMBER 2003  
Low-Power, Serial 12-Bit Sampling  
ANALOG-TO-DIGITAL CONVERTER  
FEATURES  
DESCRIPTION  
ꢀ 20µs max CONVERSION TIME  
ꢀ SINGLE +5V SUPPLY OPERATION  
ꢀ PIN-COMPATIBLE WITH 16-BIT ADS7813  
ꢀ EASY-TO-USE SERIAL INTERFACE  
ꢀ 0.3" DIP-16 AND SO-16  
The ADS7812 is a low-power, single +5V supply, 12-bit  
sampling analog-to-digital converter. It contains a complete  
12-bit capacitor-based SAR A/D with a sample/hold, clock,  
reference, and serial data interface.  
The converter can be configured for a variety of input ranges  
including ±10V, ±5V, 0V to 10V, and 0.5V to 4.5V. A high  
impedance 0.3V to 2.8V input range is also available (input  
impedance > 10MΩ). For most input ranges, the input  
voltage can swing to +16.5V or –16.5V without damage to  
the converter.  
ꢀ ±0.5LSB max INL AND DNL  
ꢀ 72dB min SINAD  
ꢀ USES INTERNAL OR EXTERNAL  
REFERENCE  
A flexible SPI compatible serial interface allows data to be  
synchronized to an internal or external clock. The ADS7812  
is specified at a 40kHz sampling rate over the –40°C to  
+85°C temperature range. It is available in a 0.3" DIP-16 or  
an SO-16 package.  
ꢀ MULTIPLE INPUT RANGES  
ꢀ 35mW max POWER DISSIPATION  
ꢀ NO MISSING CODES  
ꢀ 50µW POWER DOWN MODE  
APPLICATIONS  
ꢀ DATA ACQUISITION SYSTEMS  
ꢀ INDUSTRIAL CONTROL  
ꢀ TEST EQUIPMENT  
BUSY  
PWRD  
CONV  
CS  
Successive Approximation Register and Control Logic  
Clock  
ꢀ DIGITAL SIGNAL PROCESSING  
40kΩ(1)  
CDAC  
R1IN  
8kΩ(1)  
EXT/INT  
DATACLK  
DATA  
R2IN  
Serial  
20kΩ(1)  
Data  
Out  
Comparator  
R3IN  
BUF  
CAP  
Internal  
+2.5V Ref  
Buffer  
4kΩ(1)  
NOTE: (1) Actual value may vary ±30%.  
REF  
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.  
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 Texas Instruments  
standard warranty. Production processing does not necessarily include  
testing of all parameters.  
Copyright © 1997-2003, Texas Instruments Incorporated  
www.ti.com  
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