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ADS7809UE4 PDF预览

ADS7809UE4

更新时间: 2024-11-05 12:28:07
品牌 Logo 应用领域
德州仪器 - TI 转换器
页数 文件大小 规格书
19页 867K
描述
16-Bit 10μs Serial CMOS Sampling ANALOG-TO-DIGITAL CONVERTER

ADS7809UE4 数据手册

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ADS7809  
9
0
8
7
S
D
A
SBAS017C NOVEMBER 1996 REVISED OCTOBER 2006  
16-Bit 10µs Serial CMOS Sampling  
ANALOG-TO-DIGITAL CONVERTER  
DESCRIPTION  
FEATURES  
The ADS7809 is a complete 16-bit sampling Analog-to-  
Digital (A/D) converter using state-of-the-art CMOS struc-  
tures. It contains a 16-bit capacitor-based Successive Ap-  
proximation Register (SAR) A/D converter with sample-and-  
hold, reference, clock, and a serial data interface. Data can  
be outputted using the internal clock, or can be synchronized  
to an external data clock. The ADS7809 also provides an  
output synchronization pulse for ease of use with standard  
DSP processors.  
100kHz SAMPLING RATE  
86dB SINAD WITH 20kHz INPUT  
±2LSB INL  
DNL: 16 Bits No Missing Codes  
SIX SPECIFIED INPUT RANGES  
SERIAL OUTPUT  
SINGLE +5V SUPPLY OPERATION  
PIN-COMPATIBLE WITH 12-BIT ADS7808  
The ADS7809 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 ADS7809 is available in a 0.3" SO-20, and is fully  
specified for operation over the industrial –40°C to +85°C  
range.  
SIMPLE DSP INTERFACE  
Power  
Down  
R/C  
CS  
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 © 1996-2006, Texas Instruments Incorporated  
www.ti.com  

ADS7809UE4 替代型号

型号 品牌 替代类型 描述 数据表
ADS7809U TI

类似代替

16-Bit 10μs Serial CMOS Sampling ANALOG-TO-D
AD977AN ADI

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16-Bit, 100 kSPS/200 kSPS BiCMOS A/D Converter

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