AD7609

Data Sheet 8-Channel Differential DAS with 18-Bit, Bipolar, Simultaneous Sampling ADC AD7609 FEATURES 8 simultaneously sampled inputs True differential inputs True bipolar analog input ranges: ±20 V, ±10 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 Performance 7 kV ESD rating on analog input channels 98 dB SNR, −107 dB THD Dynamic range: up to 105 dB typical 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) COMPANION PRODUCTS External References: ADR421, ADR431 Digital Isolators: ADuM1402, ADuM5000, ADuM5402 Power: ADIsimPower, Supervisor Parametric Search Additional companion products on the AD7609 product page Table 1. High Resolution, Bipolar Input, Simultaneous Sampling DAS Solutions Resolution SingleEnded Inputs True Number of Differential Simultaneous Inputs Sampling Channels 18 Bits AD76081 AD7609 8 16 Bits AD7606B 8 AD7606 8 AD7606-6 6 AD7606-4 4 14 Bits AD7607 8 1 Protected by U.S. Patent N...