AD7608

更新时间： 2024-11-19 08:17:07

品牌	Logo	应用领域
亚德诺 - ADI		/
页数	文件大小	规格书
32页	684K
描述
8-Channel DAS with 18-Bit, Bipolar, Simultaneous Sampling ADC

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AD7608 数据手册

8-Channel DAS with 18-Bit, Bipolar,

Simultaneous Sampling ADC

Data Sheet

AD7608

FEATURES

APPLICATIONS

8 simultaneously sampled inputs

True bipolar analog input ranges: ±10 V, ±± V

Single ± V analog supply and 2.3 V to ±.2± V V_DRIVE

Fully integrated data acquisition solution

Analog input clamp protection

Power line monitoring and protection systems

Multiphase motor controls

Instrumentation and control systems

Multiaxis positioning systems

Data acquisition systems (DAS)

Input buffer with 1 MΩ analog input impedance

Second-order antialiasing analog filter

On-chip accurate reference and reference buffer

18-bit ADC with 200 kSPS on all channels

Oversampling capability with digital filter

Flexible parallel/serial interface

SPI/QSPI™/MICROWIRE™/DSP compatible

Pin compatible solutions from 14-bits to 18-bits

Performance

7 kV ESD rating on analog input channels

98 dB SNR, −107 dB THD

Low power: 100 mW

Standby mode: 2± mW

64-lead LQFP package

COMPANION PRODUCTS

External References: ADR421, ADR431

Digital Isolators: ADuM1402, ADuM±000, ADuM±402

Voltage Regulator Design Tool: ADIsimPower, Supervisor

Parametric Search

Complete list of complements on AD7608 product page

Table 1. High Resolution, Bipolar Input, Simultaneous

Sampling DAS Solutions

Single-

Ended

Resolution Inputs

True

Number of

Differential Simultaneous

Inputs

Sampling Channels

18 Bits

16 Bits

AD7608¹

AD7606

AD7609

AD7606-6

AD7606-4

AD7607

14 Bits

FUNCTIONAL BLOCK DIAGRAM

REGCAP REGCAP REFCAPB REFCAPA

1MΩ

CLAMP

T/H

SECOND

ORDER LPF

V1GND

2.5V

LDO

2.5V

LDO

1MΩ

REFIN/REFOUT

CLAMP

T/H

SECOND

V2GND

ORDER LPF

1MΩ

REF SELECT

AGND

2.5V

REF

CLAMP

OS 2

OS 1

OS 0

SECOND

ORDER LPF

V3GND

1MΩ

CLAMP

SECOND

ORDER LPF

OUT

V4GND

SERIAL

1MΩ

OUT

8:1

MUX

PARALLEL/

SERIAL

RD/SCLK

DIGITAL

FILTER

18-BIT

SAR

CLAMP

INTERFACE

SECOND

ORDER LPF

V5GND

1MΩ

PAR/SER SEL

DRIVE

CLAMP

SECOND

ORDER LPF

PARALLEL

DB[15:0]

V6GND

1MΩ

AD7608

CLAMP

SECOND

ORDER LPF

V7GND

CLK OSC

1MΩ

BUSY

CONTROL

INPUTS

CLAMP

SECOND

ORDER LPF

FRSTDATA

V8GND

1MΩ

AGND

CONVST A CONVST B RESET RANGE

Figure 1.

¹Patent pending.

Rev. A

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 www.analog.com

12 3 4 5 6 7...32

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与AD7608相关器件

型号	品牌	获取价格	描述	数据表
AD7608BSTZ	ADI	获取价格	8-Channel DAS with 18-Bit, Bipolar, Simultaneous Sampling ADC
AD7608BSTZ-RL	ADI	获取价格	暂无描述
AD7609	ADI	获取价格	8-Channel Differential DAS with 18-Bit, Bipolar, Simultaneous Sampling ADC
AD7609BSTZ	ADI	获取价格	8-Channel Differential DAS with 18-Bit
AD7609BSTZ-RL	ADI	获取价格	8-Channel Differential DAS with 18-Bit
AD760AN	ETC	获取价格	16-Bit Digital-to-Analog Converter
AD760AP	ETC	获取价格	16-Bit Digital-to-Analog Converter
AD760AQ	ADI	获取价格	16/18-Bit Self-Calibrating Serial/Byte DACPORT
AD760SQ	ETC	获取价格	16-Bit Digital-to-Analog Converter
AD7610	ADI	获取价格	16-Bit, 250 kSPS, Unipolar/Bipolar Programmable Input PulSAR ADC

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