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ADS7819UB PDF预览

ADS7819UB

更新时间: 2024-11-26 22:09:23
品牌 Logo 应用领域
BB 转换器
页数 文件大小 规格书
11页 320K
描述
12-Bit 800kHz Sampling CMOS ANALOG-to-DIGITAL CONVERTER

ADS7819UB 技术参数

是否Rohs认证: 不符合生命周期:Obsolete
包装说明:SOP, SOP28,.4Reach Compliance Code:unknown
风险等级:5.71最大模拟输入电压:2.5 V
最小模拟输入电压:-2.5 V转换器类型:ADC, SUCCESSIVE APPROXIMATION
JESD-30 代码:R-PDSO-G28JESD-609代码:e0
最大线性误差 (EL):0.0183%标称负供电电压:-5 V
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:2'S COMPLEMENT 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:0.8 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处于峰值回流温度下的最长时间:NOT SPECIFIED

ADS7819UB 数据手册

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®
ADS7819  
ADS7819  
FPO  
ADS7819  
12-Bit 800kHz Sampling CMOS  
ANALOG-to-DIGITAL CONVERTER  
FEATURES  
DESCRIPTION  
1.25µs THROUGHPUT TIME  
The ADS7819 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 inher-  
ent S/H, reference, clock, interface for microprocessor  
use, and three-state output drivers.  
STANDARD ±2.5V INPUT RANGE  
70dB min SINAD WITH 250kHz INPUT  
±3/4 LSB max INL AND ±1 LSB max DNL  
INTERNAL REFERENCE  
The ADS7819 is specified at an 800kHz sampling  
rate, and guaranteed over the full temperature range.  
Laser-trimmed scaling resistors provide a ±2.5V input  
range and inherent overvoltage protection up to ±25V.  
COMPLETE WITH S/H, REF, CLOCK, ETC.  
PARALLEL DATA w/ LATCHES  
28-PIN 0.3" PDIP AND SOIC  
The 28-pin ADS7819 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.  
Successive Approximation Register and Control Logic  
Clock  
CDAC  
Output  
Latches  
BUSY  
575  
±2.5V Input  
and  
Three  
Three  
State  
State  
Parallel  
2.5kΩ  
Comparator  
Drivers  
Data  
Bus  
Cap  
18kΩ  
Buffer  
4.8kΩ  
8.6kΩ  
Internal  
Ref  
2.5V Ref Out/In  
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  
© 1992 Burr-Brown Corporation  
PDS-1193C  
Printed in U.S.A. February, 1995  

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