GENERAL DESCRIPTION

The AD74521 is a 12-bit, high speed, low power, successive approximation (SAR) analog-to-digital converter that features a fully differential analog input. This part operates from a single 3 V or 5 V power supply and features throughput rates up to 555 kSPS.

FEATURES

   Specified for VDD of 3 V and 5 V

   Low power at max throughput rate

      3.3 mW max at 555 kSPS with 3 V supplies

      7.25 mW max at 555 kSPS with 5 V supplies

   Fully differential analog input

   Wide input bandwidth

      70 dB SINAD at 100 kHz input frequency

   Flexible power/serial clock speed management

   No pipeline delays

   High speed serial interface

      SPI/QSPI™/MICROWIRE™/DSP compatible

   Power-down mode: 1 μA max

   8-lead SOT-23 package

APPLICATIONS

   Transducer interface

   Battery-powered systems

   Data acquisition systems

   Portable instrumentation

   Motor control