16-Bit, 10 MSPS, PulSAR Differential ADC
The AD7626 is a 16-bit, 10 MSPS, charge redistribution successive approximation register (SAR) based architecture analog-to-digital converter (ADC). SAR architecture allows unmatched performance both in noise (91.5 dB SNR) and in linearity (±0.45 LSB INL). The AD7626 contains a high speed, 16-bit sampling ADC, an internal conversion clock, and an internal buffered reference. On the CNV 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 low voltage differential signaling (LVDS) self clocked or echoed clock serial interface, reducing external hardware connections.
The AD7626 is housed in a 32-lead, 5 mm × 5 mm LFCSP with operation specified from −40°C to +85°C.
- Digital imaging systems
– Digital X-ray
– Digital MRI
– CCD and IR cameras
- High speed data acquisition
- High dynamic range telecommunications receivers
- Spectrum analysis
- Test equipment
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.
The EVAL-AD7626FMCZ is a fully featured evaluation kit for the AD7626. This board operates in conjunction with the System Development Platform board, EVAL-SDP-CH1Z. When operated with the System Development Platform board, software is provided enabling the user to perform detailed analysis of the ADC's performance. This software has an accompanying user guide describing the operation and set up of the evaluation board when operated with the System Development Platform board.
Recommended External Voltage References
- For low drift, low noise and low dropout: ADR444, ADR4540.
- For an external CMV buffer amplifier: AD8031, AD8655.
- For low drift, low noise, low power: ADR4550, ADR3440.
- For low noise, high current output, low drift: ADR280, ADR3412.
- For low drift, low noise and high current output applications: ADR434.
Recommended Driver Amplifiers
Recommended Voltage Regulators
Recommended Digital Isolators
- For LVDS Interface: ADN4650.
Recommended Drivers and Receivers
- For a dual LVDS line driver: ADN4663.
Product Selection Guide
SAR ADC & Driver Quick-Match Guide
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The USA list pricing shown is for BUDGETARY USE ONLY, shown in United States dollars (FOB USA per unit for the stated volume), and is subject to change. International prices may differ due to local duties, taxes, fees and exchange rates. For volume-specific price or delivery quotes, please contact your local Analog Devices, Inc. sales office or authorized distributor. Pricing displayed for Evaluation Boards and Kits is based on 1-piece pricing.