Datasheet > EVAL-AD7853CB

EVAL-AD7853CB

更新时间： 2024-11-23 22:49:07

品牌	Logo	应用领域
亚德诺 - ADI		/
页数	文件大小	规格书
34页	352K
描述
3 V to 5 V Single Supply, 200 kSPS 12-Bit Sampling ADCs

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EVAL-AD7853CB 数据手册

3 V to 5 V Single Supply, 200 kSPS

12-Bit Sampling ADCs

AD7853/AD7853L*

FUNCTIONAL BLOCK DIAGRAM

FEATURES

Specified for V_DDof 3 V to 5.5 V

Read-Only Operation

AGND AGND

AD7853–200 kSPS; AD7853L–100 kSPS

System and Self-Calibration with Autocalibration on

Power-Up

AIN(+)

AIN(–)

AD7853/AD7853L

T/H

DGND

Low Power:

2.5V

AD7853: 12 mW (V_DD= 3 V)

AD7853L: 4.5 mW (V_DD= 3 V)

Automatic Power Down After Conversion (25 ␮W)

Flexible Serial Interface:

REFERENCE

COMP

BUF

REF

OUT

8051/SPI™/QSPI™/␮P Compatible

24-Lead DIP, SOIC and SSOP Packages

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

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 V_DD

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 V_REFwith 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 V_DD

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 (V_DD= 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

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与EVAL-AD7853CB相关器件

型号	品牌	获取价格	描述	数据表
EVAL-AD7854CB	ADI	获取价格	3 V to 5 V Single Supply, 200 kSPS 12-Bit Sampling ADCs
EVAL-AD7856CB	ADI	获取价格	5 V Single Supply, 8-Channel 14-Bit 285 kSPS Sampling ADC
EVAL-AD7858CB	ADI	获取价格	3 V to 5 V Single Supply, 200 kSPS 8-Channel, 12-Bit Sampling ADC
EVAL-AD7858CB4	ADI	获取价格	3 V to 5 V Single Supply, 200 kSPS 8-Channel, 12-Bit Sampling ADC
EVAL-AD7859CB	ADI	获取价格	3 V to 5 V Single Supply, 200 kSPS 8-Channel, 12-Bit Sampling ADCs
EVAL-AD7859CB4	ADI	获取价格	3 V to 5 V Single Supply, 200 kSPS8-Channel, 12-Bit Sampling ADCs
EVAL-AD7863CB	ADI	获取价格	Simultaneous Sampling Dual 175 kSPS 14-Bit ADC
EVAL-AD7864-2CB3	ADI	获取价格	4-Channel, Simultaneous Sampling, High Speed, 12-Bit ADC
EVAL-AD7864-3CB3	ADI	获取价格	4-Channel, Simultaneous Sampling, High Speed, 12-Bit ADC
EVAL-AD7866CB	ADI	获取价格	Dual 1 MSPS, 12-Bit, 2-Channel SAR ADC with Serial Interface

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