GENERAL DESCRIPTION
The AD7441/AD74511 are, respectively, 10-/12-bit high speed, low power, single-supply, successive approximation (SAR), analog-to-digital converters (ADCs) that feature a pseudo differential analog input. These parts operate from a single 2.7 V to 5.25 V power supply and achieve very low power dissipation at high throughput rates of up to 1 MSPS.
The AD7441/AD7451 contain a low noise, wide bandwidth, differential track-and-hold (T/H) amplifier that handles input frequencies up to 3.5 MHz. The reference voltage for these devices is applied externally to the VREF pin and can range from 100 mV to VDD, depending on the power supply and what suits the application.

FEATURES
   Fast throughput rate: 1 MSPS
   Specified for VDD of 2.7 V to 5.25 V
   Low power at maximum throughput rate:
      4 mW maximum at 1 MSPS with VDD = 3 V
      9.25 mW maximum at 1 MSPS with VDD = 5 V
   Pseudo 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 maximum
   8-lead SOT-23 and MSOP packages

APPLICATIONS
   Transducer interface
   Battery-powered systems
   Data acquisition systems
   Portable instrumentation