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ADS7821U PDF预览

ADS7821U

更新时间: 2024-11-16 20:27:23
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
11页 199K
描述
16-Bit 10us Sampling CMOS Analog-to-Digital Converter 28-SOIC -25 to 85

ADS7821U 技术参数

是否无铅: 含铅是否Rohs认证: 不符合
生命周期:Obsolete零件包装代码:SOIC
包装说明:SOIC-28针数:28
Reach Compliance Code:not_compliantECCN代码:EAR99
HTS代码:8542.39.00.01风险等级:5.82
Is Samacsys:N最大模拟输入电压:5 V
最小模拟输入电压:最长转换时间:8 µs
转换器类型:ADC, SUCCESSIVE APPROXIMATIONJESD-30 代码:R-PDSO-G28
长度:17.9 mm最大线性误差 (EL):0.0061%
模拟输入通道数量:1位数:16
功能数量:1端子数量:28
最高工作温度:85 °C最低工作温度:-25 °C
输出位码:BINARY输出格式:PARALLEL, WORD
封装主体材料:PLASTIC/EPOXY封装代码:SOP
封装等效代码:SOP28,.4封装形状:RECTANGULAR
封装形式:SMALL OUTLINE峰值回流温度(摄氏度):NOT SPECIFIED
电源:5 V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:OTHER
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

ADS7821U 数据手册

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ADS7821  
®
ADS7821  
ADS7821  
16-Bit 10µs Sampling CMOS  
ANALOG-to-DIGITAL CONVERTER  
DESCRIPTION  
FEATURES  
The ADS7821 is a complete 16-bit sampling A/D  
using state-of-the-art CMOS structures. It contains a  
complete 16-bit, capacitor-based, SAR A/D with S/H,  
reference, clock, interface for microprocessor use, and  
three-state output drivers.  
100kHz min SAMPLING RATE  
0 to +5V INPUT RANGE  
86dB min SINAD WITH 20kHz INPUT  
DNL: 16-bits “No Missing Codes”  
SINGLE +5V SUPPLY OPERATION  
PIN-COMPATIBLE WITH 12-BIT ADS7820  
The ADS7821 is specified at a 100kHz sampling rate,  
and guaranteed over the full temperature range. Laser-  
trimmed scaling resistors provide a 0 to +5V input  
range, with power dissipation under 100mW.  
USES INTERNAL OR EXTERNAL  
REFERENCE  
The 28-pin ADS7821 is available in a plastic 0.3" DIP  
and in an SOIC, both fully specified for operation over  
the –25°C to +85°C range.  
FULL PARALLEL DATA OUTPUT  
100mW max POWER DISSIPATION  
28-PIN 0.3" PLASTIC DIP AND SOIC  
R/C  
Clock  
CS  
BYTE  
BUSY  
Successive Approximation Register and Control Logic  
CDAC  
Output  
Three  
Latches  
State  
and  
5k  
0 to +5V Input  
Parallel  
Three  
Data  
6.66kΩ  
20kΩ  
State  
Bus  
Comparator  
Drivers  
CAP  
REF  
Internal  
+2.5V Ref  
Buffer  
4kΩ  
InternationalAirportIndustrialPark • MailingAddress:POBox11400, Tucson, AZ85734 • StreetAddress:6730S. TucsonBlvd., Tucson, AZ 85706 • Tel:(520)746-1111 • Twx:910-952-1111  
Internet:http://www.burr-brown.com/ • FAXLine:(800)548-6133(US/Canada Only) • Cable:BBRCORP • Telex:066-6491 • FAX:(520)889-1510 • Immediate ProductInfo:(800)548-6132  
©1996 Burr-Brown Corporation  
Printed in U.S.A. June, 1996  
PDS-1323A  
SBAS048  

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