ADS7825U

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1. DESCRIPTION

The ADS7825 can acquire and convert 16 bits to within ±2.0 LSB in 25µs max while consuming only 50mW max. Laser-trimmed scaling resistors provide the standard industrial ±10V input range and channelto-channel matching of ±0.1%. The ADS7825 is a low-power 16-bit sampling A/D with a four channel input multiplexer, S/H, clock, reference, and a parallel/serial microprocessor interface. It can be configured in a continuous conversion mode to sequentially digitize all four channels. The 28-pin ADS7825 is available in a plastic 0.3" DIP and in a SOIC, both fully specified for operation over the industrial –40°C to +85°C range.

2. FEATURES

    1. 25µs max SAMPLING AND CONVERSION

    2. SINGLE +5V SUPPLY OPERATION

    3. PIN-COMPATIBLE WITH 12-BIT ADS7824

    4. PARALLEL AND SERIAL DATA OUTPUT

    5. 28-PIN 0.3" PLASTIC DIP AND SOIC

    6. ±2.0 LSB max INL

    7. 50mW max POWER DISSIPATION

    8. 50µW POWER DOWN MODE

    9. ±10V INPUT RANGE, FOUR CHANNEL MULTIPLEXER

  10. CONTINUOUS CONVERSION MODE

3. Pin configuration

4. Pin description