AD7475AR

1 MSPS ， 12位ADC 1 MSPS, 12-Bit ADCs

GENERAL DESCRIPTION

The AD7475/AD7495 are 12-bit high-speed, low-power, successive-approximation ADCs. The parts operate from a single 2.7 V to 5.25 V power supply and feature throughput rates up to 1 MSPS. The parts contain a low-noise, wide bandwidth track/hold amplifier that can handle input frequencies in excess of 1 MHz.

FEATURES

Fast Throughput Rate: 1 MSPS

Specified for VDD of 2.7 V to 5.25 V

Low Power:

   4.5 mW Max at 1 MSPS with 3 V Supplies

   10.5 mW Max at 1 MSPS with 5 V Supplies

Wide Input Bandwidth:

   68 dB SNR at 300 kHz Input Frequency

   Flexible Power/Serial Clock Speed Management

No Pipeline Delays

High-Speed Serial Interface SPI™/QSPI™/MICROWIRE™/DSP-Compatible

On-Board Reference 2.5 V AD7495 Only

Standby Mode: 1A Max

8-Lead SOIC and SOIC Packages