Features and Benefits

  • 16-channel, dual, simultaneously sampled inputs
  • Independently selectable channel input ranges
    • True bipolar: ±10 V, ±5 V, ±2.5 V
  • Single 5 V analog supply and 2.3 V to 3.6 V VDRIVE supply
  • Fully integrated data acquisition solution
    • Analog input clamp protection
    • Input buffer with 1 MΩ analog input impedance
    • First-order antialiasing analog filter
    • On-chip accurate reference and reference buffer
    • Dual 16-bit successive approximation register (SAR) ADC
    • Throughput rate: 2 × 1 MSPS
    • Oversampling capability with digital filter
    • Flexible sequencer with burst mode
  • Flexible parallel/serial interface
    • SPI/QSPI/MICROWIRE/DSP compatible
    • Optional cyclic redundancy check (CRC) error checking
  • Hardware/software configuration
  • Performance
    • 92 dB SNR at 500 kSPS (2× oversampling)
    • 90.5 dB SNR at 1 MSPS
    • −103 dB THD
    • ±1 LSB INL (typical), ±0.99 LSB DNL (maximum)
    • 8 kV ESD rating on analog input channels
  • On-chip self detect function
  • 80-lead LQFP package

Product Details

The AD7616 is a 16-bit, DAS that supports dual simultaneous sampling of 16 channels. The AD7616 operates from a single 5 V supply and can accommodate ±10 V, ±5 V, and ±2.5 V true bipolar input signals while sampling at throughput rates up to 1 MSPS per channel pair with 90.5 dB SNR. Higher SNR performance can be achieved with the on-chip oversampling mode (92 dB for an oversampling ratio (OSR) of 2).

The input clamp protection circuitry can tolerate voltages up to ±21 V. The AD7616 has 1 MÙ analog input impedance, regardless of sampling frequency. The single-supply operation, on-chip filtering, and high input impedance eliminate the need for driver op amps and external bipolar supplies.

The device contains analog input clamp protection, a dual, 16-bit charge redistribution SAR analog-to-digital converter (ADC), a flexible digital filter, a 2.5 V reference and reference buffer, and high speed serial and parallel interfaces.

The AD7616 is serial peripheral interface (SPI)/QSPI™/DSP/ MICROWIRE compatible


  • Power line monitoring
  • Protective relays
  • Multiphase motor control
  • Instrumentation and control systems
  • Data acquisition systems (DASs)

Product Lifecycle icon-recommended Recommended for New Designs

This product has been released to the market. The data sheet contains all final specifications and operating conditions. For new designs, ADI recommends utilization of these products.

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Pricing displayed is based on 1-piece. The USA list pricing shown is for budgetary use only, shown in United States dollars (FOB USA per unit), and is subject to change. International prices may vary due to local duties, taxes, fees and exchange rates.