Datasheet > EVAL-AD7892-3CB

EVAL-AD7892-3CB

更新时间： 2024-11-26 22:49:07

品牌	Logo	应用领域
亚德诺 - ADI		/
页数	文件大小	规格书
14页	145K
描述
LC2MOS Single Supply, 12-Bit 600 kSPS ADC

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数据手册

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EVAL-AD7892-3CB 数据手册

LC²MOS Single Supply,

12-Bit 600 kSPS ADC

AD7892

FEATURES

FUNCTIONAL BLOCK DIAGRAM

Fast 12-Bit ADC with 1.47 ␮s Conversion Time

600 kSPS Throughput Rate (AD7892-3)

500 kSPS Throughput Rate (AD7892-1, AD7892-2)

Single Supply Operation

On-Chip Track/Hold Amplifier

Selection of Input Ranges:

REF OUT/REF IN

2k⍀

+2.5V

MODE

AD7892

REFERENCE

DB0

؎10 V or ؎5 V for AD7892-1

0 V to +2.5 V for AD7892-2

؎2.5 V for AD7892-3

High Speed Serial and Parallel Interface

Low Power, 60 mW typ

DB2

DB3/RFS

12-BIT

ADC

DB4/SCLK

DB5/SDATA

DB10/LOW

DB11/LOW

IN1

SIGNAL

SCALING

IN2

Overvoltage Protection on Analog Inputs (AD7892-1

and AD7892-3)

TRACK/HOLD

CLOCK

CONTROL LOGIC

RD EOC CONVST AGND DGND STANDBY

The AD7892 is fabricated in Analog Devices’ Linear Compat-

ible CMOS (LC²MOS) process, a mixed technology process

that combines precision bipolar circuits with low power CMOS

logic. It is available in a 24-lead, 0.3" wide, plastic or hermetic

DIP or in a 24-lead SOIC.

GENERAL DESCRIPTION

The AD7892 is a high speed, low power, 12-bit A/D converter

that operates from a single +5 V supply. The part contains a

1.47 µs successive approximation ADC, an on-chip track/hold

amplifier, an internal +2.5 V reference and on-chip versatile

interface structures that allow both serial and parallel connec-

tion to a microprocessor. The part accepts an analog input range

of 10 V or 5 V (AD7892-1), 0 V to +2.5 V (AD7892-2) and

2.5 V (AD7892-3). Overvoltage protection on the analog inputs

for the AD7892-1 and AD7892-3 allows the input voltage to go

to 17 V or 7 V respectively without damaging the ports.

PRODUCT HIGHLIGHTS

1. The AD7892-3 features a conversion time of 1.47 µs and a

track/hold acquisition time of 200 ns. This allows a through-

put rate for the part up to 600 kSPS. The AD7892-1 and

AD7892-2 operate with throughput rates of 500 kSPS.

2. The AD7892 operates from a single +5 V supply and con-

sumes 60 mW typ making it ideal for low power and portable

applications.

The AD7892 offers a choice of two data output formats: a

single, parallel, 12-bit word or serial data. Fast bus access times

and standard control inputs ensure easy parallel interface to

microprocessors and digital signal processors. A high speed

serial interface allows direct connection to the serial ports of

microcontrollers and digital signal processors.

3. The part offers a high speed, flexible interface arrangement

with parallel and serial interfaces for easy connection to

microprocessors, microcontrollers and digital signal

processors.

In addition to the traditional dc accuracy specifications such as

linearity, full-scale and offset errors, the part is also specified for

dynamic performance parameters including harmonic distortion

and signal-to-noise ratio.

REV. C

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

12 3 4 5 6 7...14

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与EVAL-AD7892-3CB相关器件

型号	品牌	获取价格	描述	数据表
EVAL-AD7898CB	ADI	获取价格	Evaluation Board for 5V, 12-Bit, Serial 220kSPS ADC in 8-Pin Package
EVAL-AD7899CB	ADI	获取价格	Evaluation Board for 5V, 12-Bit, Serial 220kSPS ADC in 8-Pin Package
EVAL-AD7910CB	ADI	获取价格	250 kSPS, 10-/12-Bit ADCs in 6-Lead SC70
EVAL-AD7912_15	ADI	获取价格	Evaluation Board for 1 MSPS, 2-Channel, 12-/10-Bit ADCs
EVAL-AD7915SDZ	ADI	获取价格	EVAL BOARD AD7915SDZ
EVAL-AD7916SDZ	ADI	获取价格	EVAL BOARD AD7916SDZ
EVAL-AD7920CB	ADI	获取价格	250 kSPS, 10-/12-Bit ADCs in 6-Lead SC70
EVAL-AD7922_15	ADI	获取价格	Evaluation Board for 1 MSPS, 2-Channel, 12-/10-Bit ADCs
EVAL-AD7923CB2	ADI	获取价格	4-Channel, 200 kSPS, 12-Bit ADC with Sequencer in 16-Lead TSSOP
EVAL-AD7923CBZ	ADI	获取价格	4-Channel, 200 kSPS 12-Bit ADC with Sequencer in 16-Lead TSSOP

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