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AD7606 Datasheet(PDF) 1 Page - Analog Devices |
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AD7606 Datasheet(HTML) 1 Page - Analog Devices |
1 / 36 page 8-/6-/4-Channel DAS with 16-Bit, Bipolar Input, Simultaneous Sampling ADC AD7606/AD7606-6/AD7606-4 Rev. 0 Information furnished by Analog Devices is believed to be accurate and reliable. However, no responsibilityis assumedbyAnalogDevicesforitsuse,norforanyinfringementsof patentsorother rightsofthirdpartiesthatmayresultfromitsuse.Specificationssubjecttochangewithoutnotice.No license is granted by implication or otherwise under any patent or patent rights of Analog Devices. Trademarksandregisteredtrademarksarethepropertyoftheirrespectiveowners. One Technology Way, P.O. Box 9106, Norwood, MA 02062-9106, U.S.A. Tel: 781.329.4700 www.analog.com Fax: 781.461.3113 ©2010 Analog Devices, Inc. All rights reserved. FEATURES 8/6/4 simultaneously sampled inputs True bipolar analog input ranges: ±10 V, ±5 V Single 5 V analog supply and 2.3 V to 5 V VDRIVE Fully integrated data acquisition solution Analog input clamp protection Input buffer with 1 M Ω analog input impedance Second-order antialiasing analog filter On-chip accurate reference and reference buffer 16-bit ADC with 200 kSPS on all channels Oversampling capability with digital filter Flexible parallel/serial interface SPI/QSPI™/MICROWIRE™/DSP compatible Performance 7 kV ESD rating on analog input channels 95.5 dB SNR, −107 dB THD ±0.5 LSB INL, ±0.5 LSB DNL Low power: 100 mW Standby mode: 25 mW 64-lead LQFP package APPLICATIONS Power-line monitoring and protection systems Multiphase motor control Instrumentation and control systems Multiaxis positioning systems Data acquisition systems (DAS) Table 1. High Resolution, Bipolar Input, Simultaneous Sampling DAS Solutions Resolution Single- Ended Inputs True Differential Inputs Number of Simultaneous Sampling Channels 18 Bits AD7608 AD7609 8 16 Bits AD7606 8 AD7606-6 6 AD7606-4 4 14 Bits AD7607 8 FUNCTIONAL BLOCK DIAGRAM V1 V1GND RFB 1M Ω 1M Ω RFB CLAMP CLAMP SECOND- ORDER LPF T/H V2 V2GND RFB 1M Ω 1M Ω RFB CLAMP CLAMP SECOND- ORDER LPF T/H V3 V3GND RFB 1M Ω 1M Ω RFB CLAMP CLAMP SECOND- ORDER LPF T/H V4 V4GND RFB 1M Ω 1M Ω RFB CLAMP CLAMP SECOND- ORDER LPF T/H V5 V5GND RFB 1M Ω 1M Ω RFB CLAMP CLAMP SECOND- ORDER LPF T/H V6 V6GND RFB 1M Ω 1M Ω RFB CLAMP CLAMP SECOND- ORDER LPF T/H V7 V7GND RFB 1M Ω 1M Ω RFB CLAMP CLAMP SECOND- ORDER LPF T/H V8 V8GND RFB 1M Ω 1M Ω RFB CLAMP CLAMP SECOND- ORDER LPF T/H 8:1 MUX AGND BUSY FRSTDATA CONVST A CONVST B RESET RANGE CONTROL INPUTS CLK OSC REFIN/REFOUT REF SELECT AGND OS 2 OS 1 OS 0 DOUTA DOUTB RD/SCLK CS PAR/SER/BYTE SEL VDRIVE 16-BIT SAR DIGITAL FILTER PARALLEL/ SERIAL INTERFACE 2.5V REF REFCAPB REFCAPA SERIAL PARALLEL REGCAP 2.5V LDO REGCAP 2.5V LDO AVCC AVCC DB[15:0] AD7606 Figure 1. |
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