Features and Benefits

  • 5 MHz to 21 MHz master clock input frequency
  • Offset drift vs. temperature: ±0.6 μV/°C maximum
  • SNR: 86 dB typical
  • 16 bits, no missing codes
  • Full-scale analog input voltage range: ±320 mV
  • ENOB: 14 bits typical
  • IDD1: 10 mA maximum
  • On-board digital isolator
  • Operating temperature range: −40°C to +125°C
  • High common-mode transient immunity: 150 kV/μs minimum, VDD2 = 3.3 V
  • Wide-body SOICs
    • 16-lead SOIC_W
    • 8-lead SOIC_IC with increased creepage
  • Safety and regulatory approvals (pending)
    • UL recognition
      • 5700 V rms for 1 minute per UL 1577
    • CSA Component Acceptance Notice SA
    • VOE Certificate of Conformity
      • DIN V VDE V 0884-10
      • VlORM = 1270 VPEAK
      • DIN V VDE V 0884-11
      • VlORM = 1060 VPEAK

Product Details

The ADuM7701 is a high performance, second-order, Σ-Δ modulator that converts an analog input signal into a high speed, single-bit data stream, with on-chip digital isolation based on Analog Devices, Inc., iCoupler technology. The devices operate from a 5 V (VDD1) power supply and accept a pseudo-differential input signal of ±250 mV (±320 mV full scale). The pseudo-differential input is ideally suited to shunt voltage monitoring in high voltage applications where galvanic isolation is required.

The analog input is continuously sampled by a high performance analog modulator, and converted to a ones density digital output stream with a data rate of up to 21 MHz. The original information can be reconstructed with an appropriate digital filter to achieve 86 dB signal to noise ratio (SNR) at 78. l kSPS with a 20 MHz MCLK for the ADuM7701. The serial input/output operates from a 5 V or a 3.3 V supply (VDD2).

The serial interface is digitally isolated. High speed complementary metal oxide semiconductor (CMOS) technology, combined with monolithic transformer technology, means the on-chip isolation provides outstanding performance characteristics, superior to alternatives such as optocoupler devices. The ADuM7701 device is offered in both 16-lead and 8-lead wide-body SOIC packages and have an operating temperature range of -40°C to +125° C.


  • Shunt curent monitoring
  • AC motor controls
  • Power and solar inverters
  • Wind turbine inverters
  • Analog-to-digital and optoisolator replacement

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.