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ADS7820U PDF预览

ADS7820U

更新时间: 2024-11-26 22:53:39
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
10页 282K
描述
12-Bit 10ms Sampling CMOS ANALOG-to-DIGITAL CONVERTER

ADS7820U 技术参数

是否Rohs认证: 不符合生命周期:Transferred
Reach Compliance Code:unknown风险等级:5.78
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
JESD-609代码:e0最大线性误差 (EL):0.0244%
模拟输入通道数量:1位数:12
功能数量:1端子数量:28
最高工作温度:85 °C最低工作温度:-40 °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:Tin/Lead (Sn/Pb)端子形式:GULL WING
端子节距:1.27 mm端子位置:DUAL
Base Number Matches:1

ADS7820U 数据手册

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®
ADS7820  
ADS7820  
ADS7820  
12-Bit 10µs Sampling CMOS  
ANALOG-to-DIGITAL CONVERTER  
DESCRIPTION  
FEATURES  
The ADS7820 is a complete 12-bit sampling A/D  
using state-of-the-art CMOS structures. It contains a  
complete 12-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  
72dB min SINAD WITH 45kHz INPUT  
±1/2 LSB max INL AND DNL  
SINGLE +5V SUPPLY OPERATION  
PIN-COMPATIBLE WITH 16-BIT ADS7821  
The ADS7820 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 ADS7820 is available in a plastic 0.3" DIP  
and in an SOIC, both fully specified for operation over  
the industrial –40°C to +85°C range.  
COMPLETE WITH S/H, REF, CLOCK, ETC.  
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  
Internal  
+2.5V Ref  
Buffer  
4kΩ  
REF  
International Airport Industrial Park  
Mailing Address: PO Box 11400  
Cable: BBRCORP  
Tucson, AZ 85734  
Street Address: 6730 S. Tucson Blvd.  
Tucson, AZ 85706  
Tel: (520) 746-1111  
Twx: 910-952-1111  
Telex: 066-6491  
FAX: (520) 889-1510  
Immediate Product Info: (800) 548-6132  
©1996 Burr-Brown Corporation  
Printed in U.S.A. June, 1996  
PDS-1322  

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