AD7951BSTZ

更新时间： 2024-12-01 12:32:59

品牌	Logo	应用领域
亚德诺 - ADI		/
页数	文件大小	规格书
32页	518K
描述
14-Bit, 1 MSPS, Unipolar/Bipolar Programmable Input PulSAR ADC

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AD7951BSTZ 数据手册

14-Bit, 1 MSPS, Unipolar/Bipolar

Programmable Input PulSAR^®ADC

Data Sheet

AD7951

FEATURES

FUNCTIONAL BLOCK DIAGRAM

Multiple pins/software programmable input ranges:

5 V, 10 V, 5 V, 10 V

TEMP REFBUFIN REF REFGND VCC VEE DVDD DGND

OVDD

Pins or serial SPI® compatible input ranges/mode selection

Throughput

1 MSPS (warp mode)

800 kSPS (normal mode)

670 kSPS (impulse mode)

14-bit resolution with no missing codes

INL: 0.3 LSB typ, 1 LSB max ( 61 ppm of FSR)

SNR: 85 dB @ 2 kHz

AGND

AD7951

REF

OGND

AVDD

PDREF

PDBUF

IN+

AMP

SERIAL DATA

PORT

REF

SERIAL

CONFIGURATION

PORT

SWITCHED

CAP DAC

D[13:0]

SER/PAR

BYTESWAP

OB/2C

BUSY

IN–

PARALLEL

INTERFACE

CLOCK

CNVST

iCMOS® process technology

CONTROL LOGIC AND

CALIBRATION CIRCUITRY

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

No pipeline delay (SAR architecture)

Parallel (14- or 8-bit bus) and serial 5 V/3.3 V interface

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

Power dissipation:

RESET

WARP IMPULSE BIPOLAR TEN

Figure 1.

10 mW @ 100 kSPS

235 mW @ 1 MSPS

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

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

100 kSPS to

250 kSPS

500 kSPS to

570 kSPS

570 kSPS to

1000 kSPS

>1000

kSPS

Type

Pseudo

Differential

AD7651

AD7660

AD7661

AD7650

AD7652

AD7664

AD7666

AD7653

AD7667

APPLICATIONS

Process control

Medical instruments

High speed data acquisition

Digital signal processing

Instrumentation

Spectrum analysis

ATE

True Bipolar

AD7610

AD7663

AD7665

AD7676

AD7679

AD7951

AD7612

AD7671

True

Differential

AD7675

AD7678

AD7677

AD7621

AD7622

AD7623

18-Bit, True

Differential

AD7674

AD7641

AD7643

GENERAL DESCRIPTION

Multichannel/

Simultaneous

AD7654

AD7655

The AD7951 is a 14-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 AD7951 contains a high speed

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

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

CNVST

and parallel system interface ports. A falling edge on

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

sense, IN−. The AD7951 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 is scaled with

throughput. Operation is specified from −40°C to +85°C.

Rev. A

Document Feedback

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.

Technical Support

www.analog.com

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AD7951BSTZ 替代型号

型号	品牌	替代类型	描述	数据表
AD7951BCPZ	ADI	类似代替	14-Bit, 1 MSPS, Unipolar/Bipolar Programmable Input PulSAR® ADC
AD7951BSTZRL	ADI	类似代替	14-Bit, 1 MSPS, Unipolar/Bipolar Programmable Input PulSAR ADC

与AD7951BSTZ相关器件

型号	品牌	获取价格	描述	数据表
AD7951BSTZRL	ADI	获取价格	14-Bit, 1 MSPS, Unipolar/Bipolar Programmable Input PulSAR ADC
AD7952	ADI	获取价格	14-Bit, 1 MSPS, Differential, Programmable Input PulSAR ADC
AD7952BCPZ	ADI	获取价格	暂无描述
AD7952BCPZRL	ADI	获取价格	14-Bit, 1 MSPS, Differential, Programmable Input PulSAR® ADC
AD7952BSTZ	ADI	获取价格	14-Bit, 1 MSPS, Differential, Programmable Input PulSAR® ADC
AD7952BSTZRL	ADI	获取价格	暂无描述
AD795AH	ADI	获取价格	IC OP-AMP, 500 uV OFFSET-MAX, 1.6 MHz BAND WIDTH, MBCY8, HERMETIC SEALED, METAL CAN, HEADE
AD795BH	ETC	获取价格	Voltage-Feedback Operational Amplifier
AD795JN	ADI	获取价格	Low Power, Low Noise Precision FET Op Amp
AD795JR	ADI	获取价格	Low Power, Low Noise Precision FET Op Amp

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