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ADS7808P PDF预览

ADS7808P

更新时间: 2024-01-07 14:35:33
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 254K
描述
12-Bit 10ms Serial CMOS Sampling ANALOG-to-DIGITAL CONVERTER

ADS7808P 技术参数

是否Rohs认证: 不符合生命周期:Transferred
包装说明:SOIC-20Reach Compliance Code:unknown
风险等级:5.72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:e0最大线性误差 (EL):0.011%
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
封装等效代码:SOP20,.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

ADS7808P 数据手册

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®
ADS7808  
ADS7808  
ADS7808  
12-Bit 10µs Serial CMOS Sampling  
ANALOG-to-DIGITAL CONVERTER  
DESCRIPTION  
FEATURES  
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 synchro-  
nized to an external data clock. The ADS7808 also  
provides an output synchronization pulse for ease of  
use with standard DSP processors.  
100kHz SAMPLING RATE  
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 guaranteed 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  
20-PIN 0.3" PLASTIC DIP AND SOIC  
SIMPLE DSP INTERFACE  
The 20-pin ADS7808 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.  
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  
International Airport Industrial Park Mailing Address: PO Box 11400, Tucson, AZ 85734 • Street Address: 6730 S. Tucson Blvd., 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 Product Info: (800) 548-6132  
©1992 Burr-Brown Corporation  
PDS-1155B  
Printed in U.S.A. January 1997  

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