The AD7356 is a dual, 12-bit, high speed, low power, successive approximation ADC that operates from a single 2.5 V power supply and features throughput rates up to 5 MSPS. The part contains two ADCs, each preceded by a low noise, wide bandwidth track-and-hold circuit that can handle input frequencies in excess of 110 MHz.
The conversion process and data acquisition use standard control inputs allowing for easy interfacing to microprocessors or DSPs. The input signal is sampled on the falling edge of CS; a conversion is also initiated at this point. The conversion time is determined by the SCLK frequency.
The AD7356 uses advanced design techniques to achieve very low power dissipation at high throughput rates. With a 2.5 V supply and a 5 MSPS throughput rate, the part consumes typically 14 mA. The part also offers a flexible power/throughput rate management option.
The analog input range for the part is the differential common mode ±VREF/2. The AD7356 has an on-chip 2.048 V reference that can be overdriven when an external reference is preferred.
The AD7356 is available in a 16-lead thin shrink small outline package (TSSOP).
|Title||Content Type||File Type|
|AD7356: Differential Input, Dual, Simultaneous Sampling, 5 MSPS, 12-Bit, SAR ADC Data Sheet (Rev A, 08/2011) (pdf, 399 kB)||Data Sheets|
|CN-0041: DC-Coupled, Single-Ended-to-Differential Conversion Using the AD8138 Low Distortion Differential ADC Driver and the AD7356 5 MSPS, 12-Bit SAR ADC (pdf, 98 kB)||Circuit Note|
|MS-2210: Designing Power Supplies for High Speed ADC (pdf, 327 kB)||Technical Articles|
ADCs Improve Equipment Accuracy While Reducing System Size and Power Consumption
Analog Devices Raises the Standards in Precision Data Conversion to Improve Industrial, Medical and Instrumentation System Performance
Analog Devices Sets New Standard
(EFY Times, 11/14/2006)
|Analog-to-Digital Converter and Drivers ICs Solutions Bulletin, Volume 10, Issue 2 (pdf, 1358 kB)||Solutions Bulletins|
|RAQs index||Rarely Asked Questions||HTML|
|Glossary of EE Terms||Glossary||HTML|
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