GENERAL DESCRIPTION
The AD7298 is a 12-bit, high speed, low power, 8-channel, successive approximation ADC with an internal temperature sensor. The part operates from a single 3.3 V power supply and features throughput rates up to 1 MSPS. The device contains a low noise, wide bandwidth track-and-hold amplifier that can handle input frequencies in excess of 30 MHz.

FEATURES
   12-bit SAR ADC
      8 single-ended inputs
      Channel sequencer functionality
      Fast throughput of 1 MSPS
      Analog input range: 0 V to 2.5 V
   12-bit temperature-to-digital converter
   Temperature sensor accuracy of ±1°C
   Temperature range: −40°C to +125°C
   Specified for VDD: 2.8 V to 3.6 V
   Logic voltage VDRIVE : 1.65 V to 3.6 V
   Power-down current: <10 μA
   Internal 2.5 V reference
   Internal power-on reset
   High speed serial interface SPI
   20-lead LFCSP