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ADS8507IDWR

更新时间： 2024-01-22 08:33:57
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德州仪器 - TI 转换器
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32页 912K
描述
16-BIT 40-KSPS LOW POWER SAMPLING ANALOG-TO-DIGITAL CONVERTER WITH INTERNAL REFERENCE AND PARALLEL/SERIAL INTERFACE

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ADS8507IDWR 数据手册

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ADS8507  
SLAS381–DECEMBER 2006  
16-BIT 40-KSPS LOW POWER SAMPLING ANALOG-TO-DIGITAL CONVERTER WITH  
INTERNAL REFERENCE AND PARALLEL/SERIAL INTERFACE  
FEATURES  
APPLICATIONS  
•
•
•
•
•
•
Industrial Process Control  
Test Equipment  
Medical Equipment  
Data Acquisition Systems  
Digital Signal Processing  
Instrumentation  
•
•
•
•
•
40-kHz Min Sampling Rate  
4-V, 5-V, and ±10-V Input Ranges  
89.9-dB SINAD with 10-kHz Input  
±1.5 LSB Max INL  
+1.5/–1 LSB Max DNL, 16-Bit No Missing  
Codes  
•
•
±5-mV BPZ, ±0.4 PPM/°C BPZ Drift  
DESCRIPTION  
SPI Compatible Serial Output With  
Daisy-Chain (TAG) Feature  
The ADS8507 is a complete low power, single 5-V  
supply, 16-bit sampling analog-to-digital (A/D)  
•
•
Single 5-V Analog Supply  
converter.  
It  
contains  
a
complete  
16-bit  
Pin-Compatible With ADS7807 and 12-Bit  
ADS7806/8506  
capacitor-based, successive approximation register  
(SAR) A/D converter with sample and hold, clock,  
reference, and data interface. The converter can be  
configured for a variety of input ranges including ±10  
V, 4 V, and 5 V. For most input ranges, the input  
voltage can swing to 25 V or –25 V without damage  
to the converter.  
•
•
Uses Internal or External 2.5-V Reference  
Low Power Dissipation  
–
24 mW Typ, 30 mW Max at 40 KSPS  
•
•
•
•
50-µW Max Power Down Mode  
28-Pin SO Package  
A SPI compatible serial interface allows data to be  
synchronized to an internal or external clock. A full  
parallel interface with BYTE select is also provided to  
allow the maximum system design flexibility. The  
ADS8507 is specified at 40 kHz sampling rate over  
the industrial -40°C to 85°C temperature range.  
Full Parallel Interface  
2's Comp or BTC Output Code  
Successive Approximation Register  
Clock  
EXT/IN  
CDAC  
39.8 kΩ  
Parallel  
Data  
R1  
R2  
IN  
9.9 kΩ  
PWRD  
BYTE  
BUSY  
CS  
R/C  
SB/BTC  
TAG  
Parallel  
IN  
and  
Serial  
Data  
Out  
20 kΩ  
40 kΩ  
Comparator  
&
CAP  
REF  
SDATA  
DATACLK  
Control  
Buffer  
6 kΩ  
Internal  
+2.5 V Ref  
REFD  
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.  
QSPI, SPI are trademarks of Motorola.  
PRODUCTION DATA information is current as of publication date.  
Products conform to specifications per the terms of the Texas  
Instruments standard warranty. Production processing does not  
necessarily include testing of all parameters.  
Copyright © 2006, Texas Instruments Incorporated  
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ADS8507IDWR 替代型号

型号 品牌 替代类型 描述 数据表
ADS8507IDW TI

完全替代

 16-BIT 40-KSPS LOW POWER SAMPLING ANALOG-TO-DIGITAL CONVERTER WITH INTERNAL REFERENCE AND
ADS8507IBDW TI

完全替代

 16-BIT 40-KSPS LOW POWER SAMPLING ANALOG-TO-DIGITAL CONVERTER WITH INTERNAL REFERENCE AND
ADS7807U TI

类似代替

 低功耗 16 位采样 CMOS 模数转换器 | DW | 28 | -40 to 85

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 		具有可编程 (±10/±5/±3.3V) 输入范围和 SPI 接口的 16 位、250kS

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