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AD7608

Analog Devices
Part Number AD7608
Manufacturer Analog Devices
Description 8-Channel DAS
Published Apr 12, 2012
Detailed Description Data Sheet FEATURES 8 simultaneously sampled inputs True bipolar analog input ranges: ±10 V, ±5 V Single 5 V analog supp...
Datasheet PDF File AD7608 PDF File

AD7608
AD7608

Overview
Data Sheet FEATURES 8 simultaneously sampled inputs True bipolar analog input ranges: ±10 V, ±5 V Single 5 V analog supply and 2.
3 V to 5.
25 V VDRIVE Fully integrated data acquisition solution Analog input clamp protection 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: 25 mW 64-lead LQFP package 8-Channel DAS with 18-Bit, Bipolar, Simultaneous Sampling ADC AD7608 APPLICATIONS Power line monitoring and protection systems Multiphase motor controls Instrumentation and control systems Multiaxis positioning systems Data acquisition systems (DAS) COMPANION PRODUCTS External References: ADR421, ADR431 Digital Isolators: ADuM1402, ADuM5000, ADuM5402 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 SingleEnded Inputs AD76081 AD7606 AD7606-6 AD7606-4 AD7607 True Differential Inputs AD7609 Number of Simultaneous Sampling Channels 8 8 6 4 8 Resolution 18 Bits 16 Bits www.
DataSheet.
co.
kr 14 Bits FUNCTIONAL BLOCK DIAGRAM AVCC V1 V1GND CLAMP CLAMP 1MΩ 1MΩ 1MΩ 1MΩ 1MΩ 1MΩ 1MΩ 1MΩ 1MΩ 1MΩ 1MΩ 1MΩ 1MΩ 1MΩ 1MΩ 1MΩ RFB RFB RFB RFB RFB RFB RFB RFB RFB RFB RFB RFB RFB RFB RFB RFB SECOND ORDER LPF SECOND ORDER LPF SECOND ORDER LPF SECOND ORDER LPF SECOND ORDER LPF SECOND ORDER LPF SECOND ORDER LPF SECOND ORDER LPF AVCC REGCAP REGCAP REFCAPB REFCAPA T/H 2.
5V LDO 2.
5V LDO REFIN/REFOUT V2 V2GND CLAMP CLAMP T/H 2.
5V REF T/H REF SELECT AGND OS 2 OS 1 OS 0 T/H 8:1 MUX T/H PARALLEL/ SERIAL INTERFACE SERIAL 18-BIT SAR DIGITAL FILTER DOU...


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