The AD7899 is a fast, low power, 14-bit A/D converter that operates from a single +5 V supply. The part contains a 2.0 μs successive approximation ADC, a track/hold amplifier, 2.5 V reference, on chip clock oscillator, signal conditioning circuitry and a high speed parallel interface. The part accepts analog input ranges of ±10 V , ±5 V, ±2.5 V, 0 V to +2.5 V and 0 V to +5 V. Overvoltage protection on the analog inputs for the part allows the input voltage to exceeded without damaging the parts or affecting a conversion in progress.
Fast (2.2 μs) 14-Bit ADC 400 kSPS Throughput Rate 0.3 μs Track/Hold Acquisition Time Single Supply Operation High-Speed Parallel Interface which Also Allows Interfacing to 3 V Processors Low Power, 80 mW Typ Selection of Input Ranges: ±10 V, ±5 V and ±2.5 V 0 V to 2.5 V and 0 V to 5 V Power-Saving Mode, 20 μW Typ Overvoltage Protection on Analog Inputs Power-Down Mode via STBY Pin
