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