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AD7356:  Differential Input, Dual, Simultaneous Sampling, 5 MSPS, 12-Bit, SAR ADC

Product Details


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).

Product Highlights

  1. Two Complete ADC Functions.
    These functions allow simultaneous sampling and conversion of two channels. The conversion result of both channels is simultaneously available on separate data lines or in succession on one data line if only one serial port is available.
  2. High Throughput with Low Power Consumption.
    The AD7356 offers a 5 MSPS throughput rate with 36 mW power consumption.
  3. No Conversion Latency.
    The AD7356 features two standard successive approximation ADCs with accurate control of the sampling instant via a CS input and, once off, conversion control.

Applications

  • Data acquisition systems
  • Motion control
  • I and Q demodulation

FEATURES and BENEFITS

  • Dual 12-bit SAR ADC
  • Simultaneous Sampling
  • Throughput rate: 5 MSPS per channel
  • Specified for VDD at 2.5 V
  • No conversion latency
  • Power dissipation: 36 mW at 5 MSPS
  • On-chip reference: 2.048 V ± 0.25%, 6ppm/°C
  • Dual conversion with read
  • High speed serial interface: SPI-/QSPI™-/MICROWIRE™-/DSP-compatible
  • −40°C to +125°C operation
  • Available in a 16-lead TSSOP

Functional Block Diagram for AD7356

Similar Products

Low Resolution - Simultaneous Sampling 12-Bit PulSAR ADCs
Low Resolution - Muxed 8/10/12/13-Bit PulSAR ADCs

Of Note ...

For higher resolution see the AD7357 14-bit, 4.25 MSPS

Design Tools,Models,Drivers & Software

Title Content Type File Type
AD7356 IBIS Models IBIS Models HTML

Evaluation Kits & Symbols & Footprints

Evaluation Boards & KitsView the Evaluation Boards and Kits page for documentation and purchasing

Symbols and Footprints— Analog Devices offers Symbols & Footprints which are compatible with a large set of today’s CAD systems for broader and easier support.

Product Recommendations & Reference Designs

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Companion Products

Suggested Companion Products


Recommended Driver Amplifiers for the AD7356

  • For differential, low distortion signals, we recommend the AD8138 or the ADA4932-1.
  • For converting single ended to differential signals using a dual amplifier, we suggest the AD8022 or the ADA4932-2.
Recommended High Accuracy, Precision References - 2.5V for the AD7356
  • For applications requiring the lowest noise performance and output trim adjust, we recommend the ADR441.
  • For high accuracy, low noise, low temperature drift, we recommend the ADR431.
  • For wide supply applications, we recommend the AD780.
Recommended Power Solutions
  • For selecting voltage regulator products, use ADIsimPower.

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Price, packaging, availability

AD7356 Model Options
Model Package Pins Temp.
Range
Packing,
Qty
Price*(100-499) Price*1000 pcs RoHS View PCN/ PDN Check Inventory/
Purchase/Sample
AD7356BRUZ Status: Production 16 ld TSSOP 16 Ind Tube, 96 $9.28 $7.89 Y  Material Info PCN Purchase Sample
AD7356BRUZ-500RL7 Status: Production 16 ld TSSOP 16 Ind Reel, 500 $9.28 $7.89 Y  Material Info PCN Purchase
AD7356BRUZ-RL Status: Production 16 ld TSSOP 16 Ind Reel, 2500 $9.28 $7.89 Y  Material Info PCN Purchase
AD7356YRUZ Status: Production 16 ld TSSOP 16 Ind Tube, 96 $10.67 $9.07 Y  Material Info PCN Purchase Sample
AD7356YRUZ-500RL7 Status: Production 16 ld TSSOP 16 Ind Reel, 500 $10.67 $9.07 Y  Material Info PCN Purchase
AD7356YRUZ-RL Status: Production 16 ld TSSOP 16 Ind Reel, 2500 $10.67 $9.07 Y  Material Info PCN Purchase
Price Table Help

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.

AD7356 Evaluation Board
Model Description Price RoHS View PCN/ PDN Check Inventory/
Purchase/Sample
EVAL-AD7356EDZ Status: Production Evaluation Board $59.00 Yes -
EVAL-CED1Z Status: Production Evaluation Board $249.00 Yes -

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.

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