Datasheet > AD7768-1

AD7768-1

更新时间： 2023-12-20 18:46:36

品牌	Logo	应用领域
亚德诺 - ADI		/
页数	文件大小	规格书
80页	1718K
描述
具功率调节功能的 DC 至 204 kHz、动态信号分析、精准型 24 位 ADC

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中文翻译

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数据手册

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AD7768-1 数据手册

DC to 204 kHz, Dynamic Signal Analysis,

Precision 24-Bit ADC with Power Scaling

AD7768-1

Data Sheet

Power supply

AVDD1 − AVSS = 5.0 V typical

FEATURES

ADC for single-channel low power, platform DAQ designs

Wide bandwidth

Sinc filter bandwidth range: DC to 204 kHz

Low ripple FIR bandwidth range: DC to 110.8 kHz

Precision ac and dc performance

108.5 dB dynamic range typical

−120 dB THD

1.1 ppm of FSR INL, 30 µV offset error, 30 ppm of FSR

gain error

Programmable ODR, filter type, and latency

ODR values up to 1024 kSPS

Linear phase digital filter options

Low ripple FIR filter: 0.005 dB maximum pass-band

ripple, dc to 102.4 kHz

Low latency sinc5 filter

Low latency sinc3 filter enabling 50 Hz/60 Hz rejection

Programmable FIR filter option

AVDD2 − AVSS = 2.0 V to 5.0 V typical

Analog supplies can run from split supply (true bipolar)

IOVDD − DGND = 1.8 V to 3.3 V typical

Low power mode can run from single 3.0 V supply

Pin control or SPI interface configurable

Suite of diagnostic check mechanisms

Temperature, interface CRC, and memory map CRC

Package: 28-lead, 4 mm × 5 mm, LFCSP

Temperature range: −40°C to +125°C

APPLICATIONS

Platform ADC to serve a superset of measurements and

sensor types

Sound and vibration, acoustic, and material science

research and development

Control and hardware in loop verification

Condition monitoring for predictive maintenance

Electrical test and measurement

Audio testing and current and voltage measurement

Clinical electroencephalogram (EEG), electromyogram

(EMG), and electrocardiogram (ECG) vital signs

monitoring

USB-, PXI-, and Ethernet-based modular DAQ

Channel to channel isolated modular DAQ designs

Programmable power consumption and bandwidth

Fast, highest speed

52.224 kHz bandwidth, 26.4 mW (sinc5 filter)

110.8 kHz bandwidth, 36.8 mW (FIR filter)

Median, half speed: 55.4 kHz bandwidth, 19.7 mW (FIR filter)

Low power, low speed: 13.9 kHz bandwidth, 6.75 mW

(FIR filter)

FUNCTIONAL BLOCK DIAGRAM

AVDD2 REGCAPA REGCAPD IOVDD

AVDD1 REF+ REF–

DGND

AD7768-1

SYNC_IN

1.8V

LDO

1.8V

LDO

SYNC_OUT

÷2

REFERENCE

BUFFERS

VCM

RESET

DRDY

DOUT/RDY

SDI

SCLK

WIDEBAND

LOW RIPPLE

FILTER

ADC

DATA

SERIAL

INTERFACE

AIN+

AIN–

SINC5

LOW LATENCY

FILTER

POWER

SCALABLE

Σ-Δ ADC

SINC3 FILTER

ENABLING

50Hz/60Hz

CONTROL

BLOCK

PRECHARGE

BUFFERS

REJECTION

AVSS

MCLK/XTAL2 XTAL1

CLKSEL

MODE3 TO MODE0

(GPIO3 TO GPIO0)

PIN/SPI

Figure 1.

Rev. A

Document Feedback

Information furnished by Analog Devices is believed to be accurate and reliable. However, no

responsibility is assumed byAnalog Devices for its use, nor for any infringements of patents or other

rightsof third parties that may result fromits use. Specifications subject to change without notice. No

license is granted by implication or otherwise under any patent or patent rights of Analog Devices.

Trademarksandregisteredtrademarksare the property oftheir respective owners.

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

Technical Support

www.analog.com

12 3 4 5 6 7...80

中文翻译

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与AD7768-1相关器件

型号	品牌	获取价格	描述	数据表
AD7768-1BCPZ	ADI	获取价格	DC to 204 kHz, Dynamic Signal Analysis, Precision 24-Bit ADC with Power Scaling
AD7768-1BCPZ-RL	ADI	获取价格	DC to 204 kHz, Dynamic Signal Analysis, Precision 24-Bit ADC with Power Scaling
AD7768-1BCPZ-RL7	ADI	获取价格	DC to 204 kHz, Dynamic Signal Analysis, Precision 24-Bit ADC with Power Scaling
AD7768-4	ADI	获取价格	4通道、24位同步采样ADC，具备功耗调节功能、110.8 kHz带宽
AD7768-4BSTZ	ADI	获取价格	4-Channel, 24-Bit, Simultaneous Sampling ADC, Power Scaling, 110.8 kHz BW
AD7768-4BSTZ-RL	ADI	获取价格	8-/4-Channel, 24-Bit, Simultaneous Sampling ADCs with Power Scaling, 110.8 kHz BW
AD7768-4BSTZ-RL7	ADI	获取价格	8-/4-Channel, 24-Bit, Simultaneous Sampling ADCs with Power Scaling, 110.8 kHz BW
AD7768BSTZ	ADI	获取价格	8-Channel, 24-Bit, Simultaneous Sampling ADC, Power Scaling, 110.8 kHz BW
AD7768BSTZ-RL	ADI	获取价格	8-/4-Channel, 24-Bit, Simultaneous Sampling ADCs with Power Scaling, 110.8 kHz BW
AD7768BSTZ-RL7	ADI	获取价格	8-/4-Channel, 24-Bit, Simultaneous Sampling ADCs with Power Scaling, 110.8 kHz BW

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