LTC2508-32 Image


Analog to Digital Converter by Linear Technology (206 more products)

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The LTC2508-32 is a low noise, low power, 32-bit ADC with an integrated configurable digital filter. The digital filter can be easily configured for 4 different down-sampling factors by pin strapping. The configurations provide a dynamic range of 131 dB at 3.9ksps and 145 dB at 61sps. The ADC has a fully differential input range from 2.5V to 5.1V.  It simultaneously provides two output codes: (1) a 32-bit digitally filtered high precision low noise code, and (2) a 22-bit no latency composite code. The configurable digital filter reduces measurement noise by lowpass filtering and down-sampling the stream of data from the SAR ADC core, giving the 32-bit filtered output code. The 22-bit composite code consists of a 14-bit code representing the differential voltage and an 8-bit code representing the common mode voltage. The 22-bit composite code is available each conversion cycle, with no cycle of latency. It is available in a 24-Lead 7 x 4 mm DFN Package and is ideal for seismology, energy exploration and automated test equipment applications.

Product Specifications

    Product Details

    • Part Number :
    • Manufacturer :
      Linear Technology
    • Description :
      32-Bit Over-Sampling ADC with Configurable Digital Filter

    General Parameters

    • Sample Rate :
      1 Msps
    • Resolution :
      32 Bits
    • Input Bandwidth :
      34 MHz
    • Supply Voltage :
      2.5 V
    • Application :
      ATE, Test & Insrtrumentation
    • SFDR :
      108 to 118 dB
    • THD :
      -118 to -108 dB
    • Package Type :
      Surface Mount
    • Package :
      24-Lead DFN Package
    • Dimensions :
      7mm × 4mm
    • Operating Temperature :
      0 to 85 Degree C

    Technical Documents

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