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AD7760BSVZ-REEL

更新时间： 2024-11-23 13:05:23

品牌	Logo	应用领域
亚德诺 - ADI		/
页数	文件大小	规格书
22页	912K
描述
2.5 MSPS, 24-Bit, 100 dB Sigma-Delta ADC with On-Chip Buffer

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AD7760BSVZ-REEL 数据手册

2.5 MSPS, 20-Bit Σ∆ ADC

Preliminary Technical Data

AD7760

FEATURES

FUNCTIONAL BLOCK DIAGRAM

VIN- VIN+

High performance 20-bit Sigma-Delta ADC

118dB SNR at 78kHz output data rate

100dB SNR at 2.5MHz output data rate

2.5 MHz maximum fully filtered output word rate

Programmable over-sampling rate (8x to 256x)

Flexible parallel interface

DD1

Multi-Bit

Sigma-Delta

Modulator

DIFF

DD2

DD3

DD4

VREF+

BUF

Reconstruction

DECAP

BIAS

Fully differential modulator input

On-chip differential amplifier for signal buffering

Low pass FIR filter with default or user programmable

coefficients

Over-range alert bit

Digital offset and gain correction registers

Filter bypass modes

Low power and power down modes

AD7760

AGND

Programmable

Decimation

MCLK

DRIVE

DGND

Control Logic,

I/O and

Registers

MCLK

SYNC

FIR Filter

Engine

RESET

DB0 - DB15

SYNC

Synchronization of multiple devices via

Figure 1.

APPLICATIONS

Data acquisition systems

Vibration analysis

Instrumentation

PRODUCT OVERVIEW

The differential input is sampled at up to 40MS/s by an analog

modulator. The modulator output is processed by a series of

low-pass filters, the final one having default or user

programmable coefficients. The sample rate, filter corner

frequencies and output word rate are set by a combination of

the external clock frequency and the configuration registers of

the AD7760.

The AD7760 high performance 20-bit sigma delta analog to

digital converter combines wide input bandwidth and high

speed with the benefits of sigma delta conversion with

performance of 100dB SNR at 2.5MSPS making it ideal for high

speed data acquisition. Wide dynamic range combined with

significantly reduced anti-aliasing requirements simplify the

design process. An integrated buffer to drive the reference, a

differential amplifier for signal buffering and level shifting, an

over-range flag, internal gain & offset registers and a low-pass

digital FIR filter make the AD7760 a compact highly integrated

data acquisition device requiring minimal peripheral

component selection. In addition the device offers

programmable decimation rates and the digital FIR filter can be

adjusted if the default characteristics are not appropriate to the

application. The AD7760 is ideal for applications demanding

high SNR without necessitating design of complex front end

signal processing.

The reference voltage supplied to the AD7760 determines the

analog input range. With a 4V reference, the analog input range

is ±±.2V differential biased around a common mode of 2V. This

common mode biasing can be achieved using the on-chip

differential amplifiers, further reducing the external signal

conditioning requirements.

The AD7760 is available in an exposed paddle 64-lead TQFP

and 48-lead CSP packages and is specified over the industrial

temperature range from -40°C to +85°C.

Rev. PrN

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

registered trademarks are the property of their respective owners.

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

Tel: 781.329.4700

Fax: 781.326.8703

www.analog.com

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与AD7760BSVZ-REEL相关器件

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AD7761_17	ADI	获取价格	8-Channel, 16-Bit, Simultaneous Sampling ADC with Power Scaling, 110.8 kHz BW
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AD7762	ADI	获取价格	625 kSPS, 24-Bit, 109 dB ADC With On-Chip Buffer
AD7762BCP	ADI	获取价格	IC 1-CH 24-BIT DELTA-SIGMA ADC, PARALLEL ACCESS, QCC48, LFCSP-48, Analog to Digital Conver
AD7762BSV	ADI	获取价格	IC 1-CH 24-BIT DELTA-SIGMA ADC, PARALLEL ACCESS, PQFP64, EXPOSEDPAD, LEAD FREE, MS-026-ACD
AD7762BSVZ	ADI	获取价格	625 kSPS, 24-Bit, 109 dB ADC With On-Chip Buffer
AD7762BSVZ-REEL	ADI	获取价格	625 kSPS, 24-Bit, 109 dB ADC With On-Chip Buffer
AD7763	ADI	获取价格	24-Bit, 625 kSPS, 109 dB ヒ-ツ ADC with On-Chip

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