AD7654ASTZ

更新时间： 2024-11-09 12:52:55

品牌	Logo	应用领域
亚德诺 - ADI		转换器
页数	文件大小	规格书
28页	548K
描述
16-Bit, 500 kSPS PulSARÂ® Dual, 2-Channel, Simultaneous Sampling ADC

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AD7654ASTZ 数据手册

16-Bit, 500 kSPS PulSAR^®Dual,

2-Channel, Simultaneous Sampling ADC

AD7654

FUNCTIONAL BLOCK DIAGRAM

FEATURES

Dual, 16-bit, 2-channel simultaneous sampling ADC

16-bit resolution with no missing codes

AVDD AGND

REFGND REFx

DVDD DGND

TRACK/HOLD

×2

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

OVDD

OGND

D[15:0]

INA1

INAN

INA2

SERIAL

PORT

MUX

SWITCHED

CAP DAC

MUX

SER/PAR

EOC

INB1

INBN

INB2

BUSY

CLOCK

PARALLEL

INTERFACE

CONTROL LOGIC AND

CALIBRATION CIRCUITRY

RESET

A/B

AD7654

BYTESWAP

IMPULSE

CNVST

Power dissipation:

120 mW typical

Figure 1.

2.6 mW @ 10 kSPS

Packages:

Table 1. PulSAR Selection

48-lead low profile quad flat package (LQFP)

48-lead lead frame chip scale package (LFCSP)

Low cost

Type/kSPS

100 to 250

500 to 570 800 to 1000 >1000

Pseudo

Differential

AD7660/

AD7661

AD7653

AD7650/

AD7652

AD7664/

AD7666

AD7667

True Bipolar

AD7663

AD7675

AD7665

AD7676

AD7671

AD7677

APPLICATIONS

AC motor control

True Differential

AD7621

AD7623

AD7641

3-phase power control

4-channel data acquisition

Uninterrupted power supplies

Communications

18-Bit

AD7678

AD7679

AD7654

AD7674

AD7655

Multichannel/

Simultaneous

GENERAL DESCRIPTION

PRODUCT HIGHLIGHTS

The AD7654 is a low cost, simultaneous sampling, 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 conversion 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. The A0 multiplexer control input

allows the choice of simultaneously sampling input pairs

INA1/INB1 (A0 = low) or INA2/INB2 (A0 = high). 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. Operation is specified

from −40°C to +85°C.

1. Simultaneous Sampling.

The AD7654 features two sample-and-hold circuits that

allow simultaneous sampling. It provides inputs for four

channels.

2. Fast Throughput.

The AD7654 is a 500 kSPS, charge redistribution, 16-bit

SAR ADC with internal error correction circuitry.

3. Superior INL and No Missing Codes.

The AD7654 has a maximum integral nonlinearity of

3.5 LSB with no missing 16-bit codes.

4. Single-Supply Operation.

The AD7654 operates from a single 5 V supply. In impulse

mode, its power dissipation decreases with throughput.

5. Serial or Parallel Interface.

Versatile parallel or 2-wire serial interface arrangement is

compatible with both 3 V and 5 V logic.

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 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 registeredtrademarks arethe property of their respective owners.

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

Tel: 781.329.4700

Fax: 781.461.3113

www.analog.com

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AD7654ASTZ 替代型号

型号	品牌	替代类型	描述	数据表
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AD7654ASTZ相关器件

型号	品牌	获取价格	描述	数据表
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
AD7655ACPZ	ADI	获取价格	Low Cost, 4-Channel, 16-Bit, 500 kSPS PulSAR ADC
AD7655ACPZ	ROCHESTER	获取价格	4-CH 16-BIT SUCCESSIVE APPROXIMATION ADC, SERIAL/PARALLEL ACCESS, QCC48, 7 X 7 MM, MO-220-

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