Features and Benefits

  • Throughput: 6 MSPS
  • SNR: 93 dB
  • INL: ±0.45 LSB typical, ±1 LSB maximum
  • DNL: ±0.3 LSB typical, ±0.5 LSB maximum
  • Power dissipation: 135 mW
  • 32-lead LFCSP (5 mm × 5 mm)
  • SAR architecture
  • No latency/no pipeline delay
  • 16-bit resolution with no missing codes
  • Please see data sheet for additional features

Product Details

The AD7625 is a 16-bit, 6 MSPS, charge redistribution successive approximation register (SAR) based architecture analog-to-digital converter (ADC). SAR architecture allows unmatched performance both in noise (93 dB SNR) and in linearity (1 LSB). The AD7625 contains a high speed, 16-bit sampling ADC, an internal conversion clock, and an internal buffered reference. On the CNV± rising edge, it samples the voltage difference between the IN+ and IN− pins. The voltages on these pins swing in opposite phase between 0 V and REF. The 4.096 V reference voltage, REF, can be generated internally or applied externally.

All converted results are available on a single LVDS self-clocked or echoed-clock serial interface, reducing external hardware connections.

The AD7625 is housed in a 32-lead, 5 mm × 5 mm LFCSP with operation specified from −40°C to +85°C.


  • High dynamic range telecommunications
  • Receivers
  • Digital imaging systems
  • High speed data acquisition
  • Spectrum analysis
  • Test equipment

Product Lifecycle icon-recommended Production

At least one model within this product family is in production and available for purchase. The product is appropriate for new designs but newer alternatives may exist.

Evaluation Kits (1)

Tools & Simulations

Precision ADC Driver Tool

The Precision ADC Driver Tool is a web application that simulates the performance of precision ADC and driver combinations. Potential issues with driver selection, kickback settling, and distortion are flagged, and design tradeoffs can be quickly evaluated. Simulations and calculations include system noise, distortion, and settling of the ADC input

Precision ADC Driver Tool

IBIS Models

Reference Designs (1)

Product Recommendations

AD7625 Companion Parts

Recommended External References

Recommended A/D Driver Amplifiers

  • For a higher frequency input driver: ADA4932-1.
  • For low noise, low distortion, high speed: ADA4899-1.

Recommended Power Supplies

Recommended Digital Isolators

Design Resources

ADI has always placed the highest emphasis on delivering products that meet the maximum levels of quality and reliability. We achieve this by incorporating quality and reliability checks in every scope of product and process design, and in the manufacturing process as well.  "Zero defects" for shipped products is always our goal.

PCN-PDN Information

Sample & Buy

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Evaluation Boards

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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.