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EVAL-AD7357EDZ Analog Devices, Inc. (ADI)
Converter - ADC
MFG Part Number: EVAL-AD7357EDZ
The AD7357 is a dual, 14-bit, high speed, low power, successive approximation ADC that operates from a single 2.5 V power supply and features throughput rates up to 4.25 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 ofCS; conversion is also initiated at this point. The conversion time is determined by the SCLK frequency. The AD7357 uses advanced design techniques to achieve very low power dissipation at high throughput rates. With 2.5 V supply and a 4.25 MSPS throughput rate, the part consumes 14 mA typically. The part also offers flexible power/throughput rate management when operating in normal mode as the quiescent current consumption is so low. The analog input range for the part is the differential common mode +/- Vref/2. The AD7357 has an on-chip 2.048 V reference that can be overdriven when an external reference is preferred. The AD7357 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 AD7357 offers a 4.25 MSPS throughput rate with 36 mW power consumption.
  3. Simultaneous Sampling
    The part features two standard successive approximation ADCs with accurate control of the sampling instant via a CS input and once off conversion control.
Key AttributesValue
Resolution14 Bits
Sample Rate
Sample Rate4.25 MSPS
Data Bus Interface
Number of Channels2
Supply Voltage Range : Minimum Supply Voltage
Supply Voltage Range : Maximum Supply Voltage
Package TypeSOP
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This product is available in the following countries:
  • North America
  • South America
  • Asia
  • Europe (excluding Israel - Eastern Europe - Russia)
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