AD7654ASTRL

更新时间： 2024-11-08 22:49:59

品牌	Logo	应用领域
亚德诺 - ADI		转换器模数转换器
页数	文件大小	规格书
24页	384K
描述
Dual 2-Channel Simultaneous Sampling SAR 500 kSPS 16-Bit ADC

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AD7654ASTRL 数据手册

Dual 2-Channel Simultaneous Sampling

SAR 500 kSPS 16-Bit ADC

AD7654^*

FEATURES

FUNCTIONAL BLOCK DIAGRAM

Dual 16-Bit 2-Channel Simultaneous Sampling ADC

16 Bits Resolution with No Missing Codes

Throughput:

500 kSPS (Normal Mode)

444 kSPS (Impulse Mode)

INL: ؎3.5 LSB Max (؎0.0053% of Full Scale)

SNR: 89 dB Typ @ 100 kHz

THD: –100 dB @ 100 kHz

Analog Input Voltage Range: 0 V to 5 V

No Pipeline Delay

Parallel and Serial 5 V/3 V Interface

SPI™/QSPI™/MICROWIRE™/DSP Compatible

Single 5 V Supply Operation

Power Dissipation

AVDD AGND

REFGND REFx

DVDD DGND

TRACK/HOLD

OVDD

OGND

INA1

INAN

INA2

MUX

SERIAL

PORT

SER/PAR

SWITCHED

CAP DAC

EOC

MUX

INB1

INBN

INB2

BUSY

D[15:0]

MUX

PARALLEL

INTERFACE

CLOCK AND

CONTROL LOGIC

RESET

A/B

AD7654

BYTESWAP

IMPULSE

CNVST

120 mW Typical,

2.6 mW @ 10 kSPS

Package: 48-Lead Quad Flatpack (LQFP)

or 48-Lead Frame Chip Scale Package (LFCSP)

Low Cost

PulSAR Selection

Type/kSPS

100–250

500–570

800–1000

APPLICATIONS

AC Motor Control

3-Phase Power Control

4-Channel Data Acquisition

Uninterrupted Power Supplies

Communications

Pseudo

Differential

AD7651

AD7660/

AD7661

AD7650/

AD7652

AD7664/

AD7666

AD7653

AD7667

True Bipolar

AD7663

AD7665

AD7676

AD7679

AD7654

AD7671

AD7677

AD7674

True Differential AD7675

GENERAL DESCRIPTION

The AD7654 is a low cost, dual-channel, 16-bit, charge

redistribution SAR, analog-to-digital converter that operates

from a single 5 V power supply. It contains two low noise, wide

bandwidth track-and-hold amplifiers that allow simultaneous

sampling, a high speed 16-bit sampling ADC, an internal con-

version clock, error correction circuits, and both serial and parallel

system interface ports. Each track-and-hold has a multiplexer in

front to provide a 4-channel input ADC.

18 Bit

AD7678

Multichannel/

Simultaneous

2. Fast Throughput

The AD7654 is a very high speed (500 kSPS in Normal

Mode and 444 kSPS in Impulse Mode), charge redistribution,

16-bit SAR ADC that avoids pipeline delay.

3. Superior INL and No Missing Code

The AD7654 has a maximum integral nonlinearity of 3.5 LSB

with no missing codes at the 16-bit level.

4. Single-Supply Operation

The part features a very high sampling rate mode (Normal) and,

for low power applications, a reduced power mode (Impulse)

where the power is scaled with the throughput. It is available in

48-lead LQFP or 48-lead LFCSP packages with operation

specified from –40°C to +85°C.

The AD7654 operates from a single 5 V supply and dissipates

only 120 mW typical, even lower when a reduced throughput

is used with the reduced power mode (Impulse) and power-

down mode.

PRODUCT HIGHLIGHTS

1. Simultaneous Sampling

The AD7654 features two sample-and-hold circuits that

allow simultaneous sampling. It provides 4-channel inputs.

5. Serial or Parallel Interface

Versatile parallel or 2-wire serial interface arrangement is

compatible with both 3 V or 5 V logic.

*Patent pending

SPI and QSPI are trademarks of Motorola, Inc.

Microwire is a trademark of National Semiconductor Corporation.

REV. 0

Information furnished by Analog Devices is believed to be accurate and

reliable. However, no responsibility is assumed by Analog Devices for its

use, norforanyinfringementsofpatentsorotherrightsofthirdpartiesthat

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

www.analog.com

12 3 4 5 6 7...24

中文翻译

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AD7654ASTRL 替代型号

型号	品牌	替代类型	描述	数据表
AD7655ASTRL	ADI	完全替代	Low Cost 4-Channel 1 MSPS 16-Bit ADC
AD7655AST	ADI	完全替代	Low Cost 4-Channel 1 MSPS 16-Bit ADC
AD7654AST	ADI	完全替代	Dual 2-Channel Simultaneous Sampling SAR 500 kSPS 16-Bit ADC

与AD7654ASTRL相关器件

型号	品牌	获取价格	描述	数据表
AD7654ASTZ	ADI	获取价格	16-Bit, 500 kSPS PulSARÂ® Dual, 2-Channel, Si
AD7654ASTZ	ROCHESTER	获取价格	4-CH 16-BIT SUCCESSIVE APPROXIMATION ADC, SERIAL/PARALLEL ACCESS, PQFP48, MS-026-BBC, LQFP
AD7654ASTZRL	ADI	获取价格	Dual, 2-Channel, Simultaneous Sampling, PulSAR®, 500 kSPS, 16-Bit ADC
AD7654YCPRL	ADI	获取价格	IC DUAL 2-CH 16-BIT SUCCESSIVE APPROXIMATION ADC, SERIAL/PARALLEL ACCESS, QCC48, LCSP-48,
AD7654YST	ADI	获取价格	IC DUAL 2-CH 16-BIT SUCCESSIVE APPROXIMATION ADC, SERIAL/PARALLEL ACCESS, PQFP48, LQFP-48,
AD7654YSTRL	ADI	获取价格	IC DUAL 2-CH 16-BIT SUCCESSIVE APPROXIMATION ADC, SERIAL/PARALLEL ACCESS, PQFP48, LQFP-48,
AD7655	ADI	获取价格	Low Cost 4-Channel 1 MSPS 16-Bit ADC
AD7655ACP	ADI	获取价格	Low Cost 4-Channel 1 MSPS 16-Bit ADC
AD7655ACP	ROCHESTER	获取价格	4-CH 16-BIT SUCCESSIVE APPROXIMATION ADC, SERIAL/PARALLEL ACCESS, QCC48, 7 X 7 MM, MO-220-
AD7655ACPRL	ADI	获取价格	Low Cost 4-Channel 1 MSPS 16-Bit ADC

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