Datasheet > AD7622

AD7622

更新时间： 2024-11-19 04:04:19

品牌	Logo	应用领域
亚德诺 - ADI		/
页数	文件大小	规格书
32页	829K
描述
16-Bit, 750 kSPS, Unipolar/Bipolar Programmable Input PulSAR ADC

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AD7622 数据手册

16-Bit, 750 kSPS, Unipolar/Bipolar

Programmable Input PulSAR^®ADC

AD7612

FEATURES

FUNCTIONAL BLOCK DIAGRAM

TEMP REFBUFIN REF REFGND VCC VEE DVDD DGND

Multiple pins/software programmable input ranges:

5 V, 10 V, 5 V, 10 V

Pins or serial SPI®-compatible input ranges/mode selection

Throughput

750 kSPS (warp mode)

600 kSPS (normal mode)

OVDD

AGND

AD7612

REF

OGND

AVDD

PDREF

PDBUF

IN+

AMP

SERIAL DATA

PORT

REF

SERIAL

CONFIGURATION

PORT

SWITCHED

CAP DAC

D[15:0]

SER/PAR

BYTESWAP

OB/2C

BUSY

500 kSPS (impulse mode)

IN–

INL: 0.75 LSB typical, 1.5 LSB maximum ( 23 ppm of FSR)

16-bit resolution with no missing codes

SNR: 92 minimum (5 V) @ 2 kHz, 94 dB typical ( 10 V) @ 2 kHz

THD: −107 dB typical

PARALLEL

INTERFACE

CLOCK

CNVST

CONTROL LOGIC AND

CALIBRATION CIRCUITRY

RESET

iCMOS™ process technology

5 V internal reference: typical drift 3 ppm/°C; TEMP output

No pipeline delay (SAR architecture)

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

SPI-/QSPI™-/MICROWIRE™-/DSP-compatible

Power dissipation: 190 mW @ 750 kSPS

Pb-free, 48-lead LQFP and LFCSP (7 mm × 7 mm) packages

WARP IMPULSE BIPOLAR TEN

Figure 1.

Table 1. 48-Lead 14-/16-/18-Bit PulSAR Selection

100 kSPS to

250 kSPS

500 kSPS to

570 kSPS

800 kSPS to

1000 kSPS

>1000

kSPS

Type

Pseudo

AD7651

AD7660

AD7661

AD7650

AD7652

AD7664

AD7666

AD7653

AD7667

Differential

APPLICATIONS

Process control

Medical instruments

High speed data acquisition

Digital signal processing

Instrumentation

True Bipolar

AD7663

AD7675

AD7665

AD7612

AD7671

True

AD7676

AD7677

AD7621

AD7622

AD7623

Differential

Spectrum analysis

ATE

18-Bit, True

Differential

AD7678

AD7679

AD7674

AD7641

AD7643

Multichannel/

Simultaneous

AD7654

AD7655

GENERAL DESCRIPTION

The AD7612 is a 16-bit charge redistribution successive

approximation register (SAR), architecture analog-to-digital

converter (ADC) fabricated on Analog Devices, Inc.’s iCMOS

high voltage process. The device is configured through hardware or

via a dedicated write only serial configuration port for input

range and operating mode. The AD7612 contains a high speed

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

reference (and buffer), error correction circuits, and both serial

PRODUCT HIGHLIGHTS

1. Programmable input range and mode selection.

Pins or serial port for selecting input range/mode select.

2. Fast throughput.

In warp mode, the AD7612 is 750 kSPS.

3. Superior Linearity.

No missing 16-bit code. 1.5 LSB max INL.

CNVST

and parallel system interface ports. A falling edge on

4. Internal Reference.

samples the analog input on IN+ with respect to a ground

sense, IN−. The AD7612 features four different analog input

ranges and three different sampling modes: warp mode for the

fastest throughput, normal mode for the fastest asynchronous

throughput, and impulse mode where power consumption is

scaled linearly with throughput. Operation is specified from

−40°C to +85°C.

5 V internal reference with a typical drift of 3 ppm/°C

and an on-chip temperature sensor.

5. Serial or Parallel Interface.

Versatile parallel (16- or 8-bit bus) or 2-wire serial interface

arrangement compatible with 3.3 V or 5 V logic.

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

12 3 4 5 6 7...32

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与AD7622相关器件

型号	品牌	获取价格	描述	数据表
AD7622BCPZ	ADI	获取价格	1.5 LSB INL, 2 MSPS PulSAR ADC
AD7622BCPZRL	ADI	获取价格	16-Bit, 1.5 LSB INL, 2 MSPS PulSAR® ADC
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

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