GENERAL DESCRIPTION
The AD7457 is a 12-bit, low power, successive approximation (SAR) analog-to-digital converter that features a pseudo differential analog input. This part operates from a single 2.7 V to 5.25 V power supply and features throughput rates of up to 100 kSPS.

FEATURES
   Specified for VDD of 2.7 V to 5.25 V
   Low power:
      0.9 mW max at 100 kSPS with VDD = 3 V
      3 mW max at 100 kSPS with VDD = 5 V
   Pseudo differential analog input
   Wide input bandwidth:
      70-dB SINAD at 30 kHz input frequency
   Flexible power/serial clock speed management
   No pipeline delays
   High speed serial interface—SPI®/QSPI™/
      MICROWIRE™/DSP compatible
   Automatic power-down mode
   8-lead SOT-23 package
  
APPLICATIONS
   Transducer interface
   Battery-powered systems
   Data acquisition systems
   Portable instrumentation