Datasheet > AD7622BCPZRL

AD7622BCPZRL

更新时间： 2024-11-23 20:04:51

品牌	Logo	应用领域
亚德诺 - ADI		转换器
页数	文件大小	规格书
29页	584K
描述
16-Bit, 1.5 LSB INL, 2 MSPS PulSAR® ADC

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AD7622BCPZRL 数据手册

16-Bit, 1.5 LSB INL, 2 MSPS PulSAR^®ADC

AD7622

FUNCTIONAL BLOCK DIAGRAM

FEATURES

TEMP REFBUFIN REF REFGND

DVDD DGND

Throughput

2 MSPS (wideband warp and warp mode)

1.5 MSPS (normal mode)

INL: 0.5 LSB typical, 1.5 LSB maximum ( 23 ppm of FSR)

16-bit resolution with no missing codes

Dynamic range: 92.5 dB typical

SINAD: 91 dB minimum @ 20 kHz (V_REF= 2.5 V)

THD: −115 dB typical @ 20 kHz (V_REF= 2.5 V)

2.048 V internal reference: typical drift 8 ppm/°C; TEMP output

Differential input range: V_REF(V_REFup to 2.5 V)

No pipeline delay (SAR architecture)

Parallel (16-, or 8-bit bus) and serial 5 V/3.3 V/2.5 V interface

SPI®/QSPI™/MICROWIRE™/DSP compatible

Single 2.5 V supply operation

AGND

AVDD

OVDD

OGND

AD7622

REF

REF AMP

SERIAL

PORT

IN+

IN–

SWITCHED

CAP DAC

D[15:0]

SER/PAR

BUSY

PARALLEL

INTERFACE

PDREF

PDBUF

CLOCK

CONTROL LOGIC AND

CALIBRATION CIRCUITRY

OB/2C

RESET

BYTESWAP

WARP

NORMAL CNVST

Figure 1.

Power dissipation

70 mW typical @ 2 MSPS with internal REF

2 μW in power-down mode

Pb-free, 48-lead LQFP and 48-lead LFCSP_VQ

Pin compatible with other PulSAR 48-lead ADCs

Table 1. PulSAR 48-Lead ADC Selection

100 to

250

500 to

570

650 to

1000

Type/kSPS

>1000

Pseudo

Differential

AD7651,

AD7660,

AD7661

AD7650,

AD7652,

AD7664,

AD7666

AD7653,

AD7667

APPLICATIONS

Medical instruments

High speed data acquisition/high dynamic data acquisition

True Bipolar

AD7610,

AD7663

AD7665

AD7612,

AD7671

True

Differential

AD7675

AD7676

AD7677

AD7621,

AD7622,

AD7623

AD7641,

AD7643

Digital signal processing

Spectrum analysis

Instrumentation

Communications

ATE

18-Bit

Multichannel/

Simultaneous

AD7631,

AD7678

AD7679

AD7654

AD7634,

AD7674

AD7655

GENERAL DESCRIPTION

1.50

POSITIVE INL = +0.43 LSB

NEGATIVE INL = –0.49 LSB

The AD7622 is a 16-bit, 2 MSPS, charge redistribution SAR,

fully differential, analog-to-digital converter (ADC) that

operates from a single 2.5 V power supply. The part contains a

high speed, 16-bit sampling ADC, an internal conversion clock,

an internal reference (and buffer), error correction circuits, and

both serial and parallel system interface ports. It features two

very high sampling rate modes (wideband warp and warp) and

a fast mode (normal) for asynchronous rate applications. The

AD7622 is hardware factory calibrated and tested to ensure ac

parameters, such as signal-to-noise ratio (SNR), in addition to

the more traditional dc parameters of gain, offset, and linearity.

The AD7622 is available in Pb-free only packages with

operation specified from −40°C to +85°C.

1.00

0.50

–0.50

–1.00

–1.50

16384

32768

CODE

49152

65536

Figure 2. Integral Nonlinearity vs. Code

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, 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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AD7622BCPZRL 替代型号

型号	品牌	替代类型	描述	数据表
AD7622BCPZ	ADI	类似代替	1.5 LSB INL, 2 MSPS PulSAR ADC

与AD7622BCPZRL相关器件

型号	品牌	获取价格	描述	数据表
AD7622BSTZ	ADI	获取价格	16-Bit, 1.5 LSB INL, 2 MSPS PulSAR ADC
AD7622BSTZRL	ADI	获取价格	1.5 LSB INL, 2 MSPS PulSAR ADC
AD7623	ADI	获取价格	16-Bit, 750 kSPS, Unipolar/Bipolar Programmable Input PulSAR ADC
AD7623ACP	ADI	获取价格	IC 1-CH 16-BIT PROPRIETARY METHOD ADC, SERIAL/PARALLEL ACCESS, QCC48, 7 X 7 MM, MO-220-VKK
AD7623ACPRL	ADI	获取价格	16-Bit, 1.33 MSPS PulSAR ADC
AD7623ACPZ	ADI	获取价格	16-Bit, 1.33 MSPS PulSAR® A/D Converter
AD7623ACPZ	ROCHESTER	获取价格	1-CH 16-BIT PROPRIETARY METHOD ADC, SERIAL/PARALLEL ACCESS, QCC48, 7 X 7 MM, MO-220-VKKD-2
AD7623ACPZRL	ADI	获取价格	1-CH 16-BIT PROPRIETARY METHOD ADC, SERIAL/PARALLEL ACCESS, QCC48, 7 X 7 MM, MO-220-VKKD-2
AD7623AST	ADI	获取价格	16-Bit, 1.33 MSPS PulSAR ADC
AD7623ASTRL	ADI	获取价格	16-Bit, 1.33 MSPS PulSAR ADC

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