AD7475BRZ-REEL7

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1. Describe

The AD7475BRZ-REEL7 is a 12-bit, high speed, low power, Successive approximation ADC from a single operation 2.7 V to 5.25 V supply with throughput up to 1 MSPS. They include low noise, wide bandwidth track and hold An amplifier that can handle input frequencies above 1 MHz. Controlled conversion process and data acquisition Using CS and Serial Clock, Allows Device Interface with microcontroller or DSP. The input signal is sampled A falling edge on CS and a conversion is initiated at this point. The conversion time is determined by the SCLK frequency. There are no device-related pipeline delays. The AD7475BRZ-REEL7 employs advanced design techniques to Very low power consumption is achieved at high throughput rates. AD7475BRZ-REEL7 operates on 3 V supply and 1 MSPS throughput Consumes only 1.5 mA. The analog input range of the device is 0 V to REF IN. this 2.5 V reference for AD7475BRZ-REEL7 applied externally to REF IN pin, while the AD7495 has an onboard 2.5 V reference.

2. Feature

    1. Fast throughput rate: 1 MSPS

    2. Specified for VDD from 2.7 V to 5.25 V

    3. Low power consumption

        - 4.5 mW max at 1 MSPS from 3 V supply

        - 10.5 mW max at 1 MSPS from 5 V supply

    4. Wide input bandwidth: 68 dB SNR at 300 kHz input frequency

    5. Flexible power supply/serial clock speed management

    6. No pipeline delay

    7. High-speed serial interface

        - SPI-/QSPI™-/MICROWIRE-/DSP compatible

    8. On-board reference: 2.5 V (AD7495 only)

    9. Standby mode: 1 µA max

  10. 8-Pin MSOP and SOIC Packages

3. Application

    1. Battery powered system

    2. Personal digital assistants

    3. Medical equipment

    4. Mobile communication

    5. Instrument and control system

    6. Data Acquisition System

    7. Optical sensor

4. Pin configuration