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ADS7808U/1K PDF预览

ADS7808U/1K

更新时间: 2024-10-01 02:51:19
品牌 Logo 应用领域
BB 转换器模数转换器光电二极管
页数 文件大小 规格书
13页 329K
描述
12-Bit 10us Serial CMOS Sampling ANALOG-to-DIGITAL CONVERTER

ADS7808U/1K 技术参数

生命周期:Obsolete包装说明:0.300 INCH, GREEN, PLASTIC, SOIC-20
Reach Compliance Code:unknown风险等级:5.66
Is Samacsys:N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:8 µs
转换器类型:ADC, SUCCESSIVE APPROXIMATIONJESD-30 代码:R-PDSO-G20
JESD-609代码:e4长度:12.8 mm
最大线性误差 (EL):0.022%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:20
最高工作温度:85 °C最低工作温度:-40 °C
输出位码:BINARY, 2'S COMPLEMENT BINARY输出格式:SERIAL
封装主体材料:PLASTIC/EPOXY封装代码:SOP
封装形状:RECTANGULAR封装形式:SMALL OUTLINE
峰值回流温度(摄氏度):260认证状态:Not Qualified
采样速率:0.1 MHz采样并保持/跟踪并保持:SAMPLE
座面最大高度:2.65 mm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
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

ADS7808U/1K 数据手册

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ADS7808  
7808  
S
D
A
SBAS018A JANUARY 1992 REVISED SEPTEMBER 2003  
12-Bit 10µs Serial CMOS Sampling  
ANALOG-to-DIGITAL CONVERTER  
FEATURES  
DESCRIPTION  
100kHz SAMPLING RATE  
The ADS7808 is a complete 12-bit sampling analog-to-digital  
using state-of-the-art CMOS structures. It contains a 12-bit  
capacitor-based SAR A/D with S/H, reference, clock, and a  
serial data interface. Data can be output using the internal  
clock, or can be synchronized to an external data clock. The  
ADS7808 also provides an output synchronization pulse for  
ease of use with standard DSP processors.  
72dB SINAD WITH 45kHz INPUT  
±1/2 LSB INL AND DNL  
SIX SPECIFIED INPUT RANGES  
SERIAL OUTPUT  
SINGLE +5V SUPPLY OPERATION  
PIN-COMPATIBLE WITH 16-BIT ADS7809  
The ADS7808 is specified at a 100kHz sampling rate, and  
specified over the full temperature range. Laser-trimmed  
scaling resistors provide various input ranges including ±10V  
and 0V to 5V, while an innovative design operates from a  
single +5V supply, with power dissipation under 100mW.  
USES INTERNAL OR EXTERNAL  
REFERENCE  
100mW MAX POWER DISSIPATION  
0.3" SO-20  
The ADS7808 is available in a 0.3" SO-20, fully specified for  
SIMPLE DSP INTERFACE  
operation over the industrial –40°C to +85°C range.  
CS  
Power Down  
R/C  
Successive Approximation Register and Control Logic  
Clock  
20k  
10kΩ  
CDAC  
R1IN  
R2IN  
BUSY  
Serial  
20kΩ  
5kΩ  
Data  
Out  
Data Clock  
Serial Data  
Comparator  
R3IN  
CAP  
Internal  
+2.5V Ref  
Buffer  
4kΩ  
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 © 1992-2003, Texas Instruments Incorporated  
www.ti.com  

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