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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
