EVAL-AD7653EDZ Analog Devices, EVAL-AD7653EDZ Datasheet

EVAL-AD7653EDZ

Manufacturer Part Number

EVAL-AD7653EDZ

Description

Data Conversion IC Development Tools eval board 18Bit DIFF Bipolar Pulsar ADC

Manufacturer

Analog Devices

Type

ADCr

Series

AD7653r

Datasheet

1.EVAL-AD7653EDZ.pdf (28 pages)

Specifications of EVAL-AD7653EDZ

Rohs

yes

Product

Evaluation Boards

Tool Is For Evaluation Of

AD7653

Interface Type

SPI

Operating Supply Voltage

4.75 V to 5.25 V

Maximum Operating Temperature

+ 85 C

Minimum Operating Temperature

- 40 C

Factory Pack Quantity

Current page: 1 of 28
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FEATURES

Throughput:

16-bit resolution

Analog input voltage range: 0 V to 2.5 V

No pipeline delay

Parallel and serial 5 V/3 V interface

SPI

Single 5 V supply operation

Power dissipation

48-lead LQFP and 48-lead LFCSP packages

Pin-to-pin compatible with PulSAR ADCs

APPLICATIONS

Data acquisition

Instrumentation

Digital signal processing

Spectrum analysis

Medical instruments

Battery-powered systems

Process control

GENERAL DESCRIPTION

The AD7653 is a 16-bit, 1 MSPS, charge redistribution SAR

analog-to-digital converter that operates from a single 5 V

power supply. The part contains a high speed 16-bit sampling

ADC, internal conversion clock, internal reference, error

correction circuits, and both serial and parallel system interface

ports. It features a very high sampling rate mode (Warp), a fast

mode (Normal) for asynchronous conversion rate applications,

and a reduced power mode (Impulse) for low power applica-

tions where power is scaled with the throughput. The AD7653 is

fabricated using Analog Devices’ high performance, 0.6 micron

CMOS process, with correspondingly low cost. It is available in

a 48-lead LQFP and a tiny 48-lead LFCSP with operation

specified from –40°C to +85°C.

Rev. A

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 that may result from its use.

Specifications subject to change without notice. No license is granted by implication

or otherwise under any patent or patent rights of Analog Devices. Trademarks and

registered trademarks are the property of their respective owners.

1 MSPS (Warp mode)

800 kSPS (Normal mode)

666 kSPS (Impulse mode)

92 mW typ @ 666 kSPS, 138 μW @ 1 kSPS without REF

128 mW typ @ 1 MSPS with REF

/QSPI

/MICROWIRE

/DSP compatible

FUNCTIONAL BLOCK DIAGRAM

Table 1. PulSAR Selection

Type/kSPS

Pseudo-

Differential

True Bipolar

True

Differential

18-Bit

Multichannel/

Simultaneous

PRODUCT HIGHLIGHTS

One Technology Way, P.O. Box 9106, Norwood, MA 02062-9106, U.S.A.

Tel: 781.329.4700

Fax: 781.326.8703

PDREF

PDBUF

RESET

INGND

AGND

AVDD

Unipolar ADC with Reference

Fast Throughput.

The AD7653 is a 1 MSPS, charge redistribution, 16-bit SAR

ADC with internal error correction circuitry.

Internal Reference.

The AD7653 has an internal reference with a typical

temperature drift of 7 ppm/°C.

Single-Supply Operation.

The AD7653 operates from a single 5 V supply. In Impulse

mode, its power dissipation decreases with the throughput.

Serial or Parallel Interface.

Versatile parallel or 2-wire serial interface arrangement is

compatible with both 3 V and 5 V logic.

WARP

REFBUFIN

REF

CALIBRATION CIRCUITRY

CONTROL LOGIC AND

16-Bit 1 MSPS PulSAR

IMPULSE

100–250

AD7651

AD7660/AD7661

AD7663

AD7675

AD7678

SWITCHED

CAP DAC

REF REFGND

CNVST

CLOCK

AD7653

Figure 1.

500–570

AD7650/AD7652

AD7664/AD7666

AD7665

AD7676

AD7679

AD7654

AD7655

INTERFACE

PARALLEL

DVDD

SERIAL

PORT

www.analog.com

DGND

AD7653

OVDD

OGND

DATA[15:0]

BUSY

SER/PAR

OB/2C

BYTESWAP

800–

1000

AD7653

AD7667

AD7671

AD7677

AD7674

02966-0-001

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