AD7262BSTZ-5

更新时间： 2024-11-06 04:04:15

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
32页	785K
描述
1 MSPS, 12-Bit, Simultaneous Sampling SAR ADC with PGA and Four Comparators

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AD7262BSTZ-5 数据手册

1 MSPS, 12-Bit, Simultaneous Sampling

SAR ADC with PGA and Four Comparators

AD7262

FUNCTIONAL BLOCK DIAGRAM

FEATURES

REF

Dual simultaneous sampling 12-bit, 2-channel ADC

True differential analog inputs

Programmable gain stage: ×1, ×2, ×3, ×4, ×6, ×8, ×12, ×16,

×24, ×32, ×48, ×64, ×96, ×128

REF

AD7262

BUF

12-BIT

SUCCESSIVE

APPROXIMATION

ADC

OUTPUT

DRIVERS

PGA

T/H

OUT

Throughput rate per ADC

–

1 MSPS for AD7262

500 kSPS for AD7262-5

Analog input impedance: >1 GΩ

Wide input bandwidth

SCLK

CAL

REFSEL

CONTROL

LOGIC

−3 dB bandwidth: 1.7 MHz at gain = 2

4 on-chip comparators

SNR: 73 dB typical at gain = 2, 66 dB typical at gain = 32

Device offset calibration, system gain calibration

On-chip reference: 2.5 V

DRIVE

12-BIT

SUCCESSIVE

APPROXIMATION

ADC

OUTPUT

DRIVERS

T/H

PGA

OUT

–

PD0/D

PD1

PD2

–40°C to +105°C operation

High speed serial interface

BUF

REF

SPI/QSPI™/MICROWIRE™/DSP compatible

48-lead LFCSP and LQFP packages

OUTPUT

OUT

DRIVERS

–

COMP

GENERAL DESCRIPTION

OUTPUT

DRIVERS

OUT

–

COMP

The AD7262/AD7262-5 are dual, 12-bit, high speed, low power,

successive approximation ADCs that operate from a single 5 V

power supply. The AD7262 features throughput rates of up to

1 MSPS per on-chip ADC. The AD7262-5 features throughput

rates of up to 500 kSPS. Two complete ADC functions allow

simultaneous sampling and conversion of two channels. Each

ADC is preceded by a true differential analog input with a PGA.

There are 14 gain settings available: ×1, ×2, ×3, ×4, ×6, ×8, ×12,

×16, ×24, ×32, ×48, ×64, ×96, and ×128.

_C _GND

OUTPUT

DRIVERS

OUT

–

COMP

OUTPUT

DRIVERS

OUT

–

COMP

AGND

_C _GND

DGND

Figure 1.

The AD7262/AD7262-5 contain four comparators. Comparator A

and Comparator B are optimized for low power, while Compara-

tor C and Comparator D have fast propagation delays. The

AD7262/AD7262-5 feature a calibration function to remove any

device offset error and programmable gain adjust registers to

allow for input path (for example, sensor) offset and gain

compensation. The AD7262/AD7262-5 have an on-chip 2.5 V

reference that can be disabled if an external reference is preferred.

PRODUCT HIGHLIGHTS

1. Integrated PGA with a variety of flexible gain settings to

allow detection and conversion of low level analog signals.

2. Each PGA is followed by a dual simultaneous sampling

ADC, featuring throughput rates of 1 MSPS per ADC for

the AD7262. The conversion results of both ADCs are

simultaneously available on separate data lines or in succes-

sion on one data line if only one serial port is available.

3. Four integrated comparators that can be used to count

signals from pole sensors in motor control applications.

4. Internal 2.5 V reference.

The AD7262/AD7262-5 are ideally suited for monitoring small

amplitude signals from a variety of sensors. They include all the

functionality needed for monitoring the position feedback

signals from a variety of analog encoders used in motor control

systems.

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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AD7262BSTZ-5 替代型号

型号	品牌	替代类型	描述	数据表
AD7262BCPZ-5	ADI	完全替代	1 MSPS, 12-Bit, Simultaneous Sampling SAR ADC with PGA and Four Comparators
AD7262BSTZ-5-RL7	ADI	类似代替	1 MSPS, 12-Bit, Simultaneous Sampling SAR ADC with PGA and Four Comparators
AD7262BCPZ-5-RL7	ADI	功能相似	1 MSPS, 12-Bit, Simultaneous Sampling SAR ADC with PGA and Four Comparators

与AD7262BSTZ-5相关器件

型号	品牌	获取价格	描述	数据表
AD7262BSTZ-5-RL7	ADI	获取价格	1 MSPS, 12-Bit, Simultaneous Sampling SAR ADC with PGA and Four Comparators
AD7262BSTZ-RL7	ADI	获取价格	1 MSPS, 12-Bit, Simultaneous Sampling SAR ADC with PGA and Four Comparators
AD7262BSUZ	ADI	获取价格	IC DUAL 2-CH 12-BIT SUCCESSIVE APPROXIMATION ADC, SERIAL ACCESS, PQFP48, MS-026ABC, TQFP-4
AD7262BSUZ-5	ADI	获取价格	IC DUAL 2-CH 12-BIT SUCCESSIVE APPROXIMATION ADC, SERIAL ACCESS, PQFP48, MS-026ABC, TQFP-4
AD7264	ADI	获取价格	1 MSPS, 14-Bit, Simultaneous Sampling SAR ADC with PGA and Four Comparators
AD7264BCPZ	ADI	获取价格	1 MSPS, 14-Bit, Simultaneous Sampling SAR ADC with PGA and Four Comparators
AD7264BCPZ	ROCHESTER	获取价格	DUAL 2-CH 14-BIT SUCCESSIVE APPROXIMATION ADC, SERIAL ACCESS, QCC48, 7 X 7 MM, ROHS COMPLI
AD7264BCPZ-5	ADI	获取价格	1 MSPS, 14-Bit, Simultaneous Sampling SAR ADC with PGA and Four Comparators
AD7264BCPZ-5	ROCHESTER	获取价格	DUAL 2-CH 14-BIT SUCCESSIVE APPROXIMATION ADC, SERIAL ACCESS, QCC48, MO-220VKKD-2, LFCSP-4
AD7264BCPZ-5-RL7	ADI	获取价格	1 MSPS, 14-Bit, Simultaneous Sampling SAR ADC with PGA and Four Comparators

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