描述 The ADC08831/ADC08832 are 8-bit successive approximation Analog to Digital converters with 3-wire serial interfaces and a configurable input multiplexer for 2 channels. The serial I/O will interface to COPSfamily of micro-controllers, PLD's, microprocessors, DSP's, or shift registers. The serial I/O is configured to comply with the MICROWIRE serial data exchange standard. To minimize total power consumption, the ADC08831/ADC08832 automatically go into low power mode whenever they are not performing conversions.A track/hold function allows the analog voltage at the positive input to vary during the actual A/D conversion.The analog inputs can be configured to operate in various combinations of single-ended, differential, or pseudo-differential modes. The voltage reference input can be adjusted to allow encoding of small analog voltage spans to the full 8-bits of resolution.特性3-Wire Serial Digital Data Link Requires Few I/O Pins Analog Input Track/Hold Function 2-Channel Input Multiplexer Option with Address Logic Analog Input Voltage Range from GND to VCC No Zero or Full Scale Adjustment Required TTL/CMOS Input/Output Compatible Superior Pin Compatible Replacement for ADC0831/2 Key Specifications Resolution: 8 Bits Conversion Time (fC = 2 MHz): 4μs (Max) Power Dissipation: 8.5mW (Typ) Low Power Mode: 3.0mW (Typ) Single Supply: 5VDC Total Unadjusted Error: ±1LSB No Missing Codes over Temperature All trademarks are the property of their respective owners.