AD7902: DUAL PSEUDO DIFFERENTIAL 16-BIT, 1 MSPS PulSAR ADC 12.0 mW IN QSOP

ADP1972: BUCK OR BOOST, PWM CONTROLLER FOR BATTERY TEST SOLUTIONS
21. Januar 2015
Microchip Expands Low Pin Count, General-Purpose 8-bit PIC® Microcontroller Family for Safety-Critical Applications
21. Januar 2015

AD7902: DUAL PSEUDO DIFFERENTIAL 16-BIT, 1 MSPS PulSAR ADC 12.0 mW IN QSOP

The AD7902 is a dual 16-bit, successive approximation, analog-to-digital converter (ADC) that operates from a single power supply, VDDx, per ADC. It contains two low power, high speed, 16-bit sampling ADCs and a versatile serial port interface (SPI). On the CNVx rising edge, the AD7902 samples an analog input IN+ in the range of 0 V to VREF with respect to a ground sense IN−. The externally applied reference voltage of the REFx pins (VREF) can be set independently from the supply voltage pins, VDDx. The power of the device scales linearly with throughput.

Using the SDIx inputs, the SPI-compatible serial interface can also daisy-chain multiple ADCs on a single 3-wire bus and provide an optional busy indicator. It is compatible with 1.8 V, 2.5 V, 3 V, or 5 V logic, using the separate VIOx supplies.

The AD7902 is available in a 20-lead QSOP package with operation specified from −40°C to +125°C.

APPLICATIONS

    • Battery-powered equipment
    • Communications
    • Automated test equipment (ATE)
    • Data acquisition
    • Medical instrumentation
    • Redundant measurement
    • Simultaneous sampling

Product Page

Schreibe einen Kommentar

Deine E-Mail-Adresse wird nicht veröffentlicht. Erforderliche Felder sind mit * markiert.