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AD7853LAR-REEL

更新时间： 2024-11-04 15:27:39
品牌 Logo 应用领域
亚德诺 - ADI 光电二极管转换器
页数 文件大小 规格书
34页 442K
描述
IC 1-CH 12-BIT SUCCESSIVE APPROXIMATION ADC, SERIAL ACCESS, PDSO24, SOIC-24, Analog to Digital Converter

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AD7853LAR-REEL 数据手册

 浏览型号AD7853LAR-REEL的Datasheet PDF文件第2页浏览型号AD7853LAR-REEL的Datasheet PDF文件第3页浏览型号AD7853LAR-REEL的Datasheet PDF文件第4页浏览型号AD7853LAR-REEL的Datasheet PDF文件第5页浏览型号AD7853LAR-REEL的Datasheet PDF文件第6页浏览型号AD7853LAR-REEL的Datasheet PDF文件第7页 
3 V to 5 V Single Supply, 200 kSPS  
12-Bit Sampling ADCs  
a
AD7853/AD7853L*  
FUNCTIONAL BLOCK DIAGRAM  
FEATURES  
Specified for VDD of 3 V to 5.5 V  
Read-Only Operation  
AV  
AGND AGND  
DD  
AD7853–200 kSPS; AD7853L–100 kSPS  
System and Self-Calibration with Autocalibration on  
Power-Up  
DV  
DD  
AIN(+)  
AIN(–)  
AD7853/AD7853L  
T/H  
DGND  
Low Power:  
2.5V  
AD7853: 12 mW (VDD = 3 V)  
AD7853L: 4.5 mW (VDD = 3 V)  
Automatic Power Down After Conversion (25 ␮W)  
Flexible Serial Interface:  
REFERENCE  
COMP  
BUF  
REF  
/
IN  
REF  
OUT  
8051/SPI™/QSPI™/␮P Compatible  
24-Lead DIP, SOIC and SSOP Packages  
C
REF1  
AMODE  
CHARGE  
REDISTRIBUTION  
DAC  
APPLICATIONS  
CLKIN  
Battery-Powered Systems (Personal Digital Assistants,  
Medical Instruments, Mobile Communications)  
Pen Computers  
Instrumentation and Control Systems  
High Speed Modems  
C
SAR + ADC  
CONTROL  
REF2  
CONVST  
BUSY  
CALIBRATION  
MEMORY  
AND CONTROLLER  
CAL  
SLEEP  
SERIAL INTERFACE / CONTROL REGISTER  
GENERAL DESCRIPTION  
SYNC  
SM1 SM2  
DIN DOUT SCLK POLARITY  
The AD7853/AD7853L are high speed, low power, 12-bit  
ADCs that operate from a single 3 V or 5 V power supply, the  
AD7853 being optimized for speed and the AD7853L for low  
power. The ADC powers up with a set of default conditions at  
which time it can be operated as a read-only ADC. The ADC  
contains self-calibration and system-calibration options to en-  
sure accurate operation over time and temperature and have a  
number of power-down options for low power applications.  
The part powers up with a set of default conditions and can  
operate as a read only ADC.  
PRODUCT HIGHLIGHTS  
1. Specified for 3 V and 5 V supplies.  
2. Automatic calibration on power-up.  
3. Flexible power management options including automatic  
power-down after conversion.  
4. Operates with reference voltages from 1.2 V to VDD  
.
The AD7853 is capable of 200 kHz throughput rate while the  
AD7853L is capable of 100 kHz throughput rate. The input  
track-and-hold acquires a signal in 500 ns and features a pseudo-  
differential sampling scheme. The AD7853/AD7853L voltage  
range is 0 to VREF with both straight binary and twos comple-  
ment output coding. Input signal range is to the supply, and the  
part is capable of converting full power signals to 100 kHz.  
5. Analog input ranges from 0 V to VDD  
6. Self- and system calibration.  
.
7. Versatile serial I/O port (SPI/QSPI/8051/µP).  
8. Lower power version AD7853L.  
CMOS construction ensures low power dissipation of typically  
4.5 mW for normal operation and 1.15 mW in power-down  
mode, with a throughput rate of 10 kSPS (VDD = 3 V). The part  
is available in 24-lead, 0.3 inch wide dual-in-line package  
(DIP), 24-lead small outline (SOIC) and 24-lead small shrink  
outline (SSOP) packages.  
*Patent pending.  
SPI and QSPI are trademarks of Motorola, Incorporated.  
REV. B  
Information furnished by Analog Devices is believed to be accurate and  
reliable. However, no responsibility is assumed by Analog Devices for its  
use, nor for any infringements of patents or other rights of third parties  
which may result from its use. No license is granted by implication or  
otherwise under any patent or patent rights of Analog Devices.  
One Technology Way, P.O. Box 9106, Norwood, MA 02062-9106, U.S.A.  
Tel: 781/329-4700  
Fax: 781/326-8703  
World Wide Web Site: http://www.analog.com  
© Analog Devices, Inc., 1998  
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AD7853LAR-REEL 替代型号

型号 品牌 替代类型 描述 数据表
AD7853LBNZ ADI

完全替代

 3 V to 5 V Single Supply, 200 kSPS, 12-Bit, Serial Sampling ADC
AD7853LARSZ ADI

完全替代

 3 V to 5 V Single Supply, 200 kSPS, 12-Bit, Serial Sampling ADC
AD7853LARZ ADI

完全替代

 3 V to 5 V Single Supply, 200 kSPS, 12-Bit, Serial Sampling ADC

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