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MAX2451 - 3V / Ultra-Low-Power Quadrature Demodulator

General Description

The monolithic MAX2451 is a quadrature demodulator with a supporting oscillator and divide-by-8 prescaler.

It operates from a single +3V supply and draws only 5.5mA.

Key Features

  • o Integrated Quadrature Phase Shifters o On-Chip Oscillator (Requires External Tuning Circuit) o 51dB Voltage Conversion Gain o On-Chip Divide-by-8 Prescaler o Baseband Output Bandwidth Up to 9MHz o CMOS-Compatible Enable o 5.5mA Operating Supply Current 2µA Shutdown Supply Current _______________General.

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Full PDF Text Transcription (Reference)

The following content is an automatically extracted verbatim text from the original manufacturer datasheet and is provided for reference purposes only.

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19-0493; Rev 0; 12/95 K ATION EVALU BLE AVAILA IT 3V, Ultra-Low-Power Quadrature Demodulator ____________________________Features o Integrated Quadrature Phase Shifters o On-Chip Oscillator (Requires External Tuning Circuit) o 51dB Voltage Conversion Gain o On-Chip Divide-by-8 Prescaler o Baseband Output Bandwidth Up to 9MHz o CMOS-Compatible Enable o 5.5mA Operating Supply Current 2µA Shutdown Supply Current _______________General Description The monolithic MAX2451 is a quadrature demodulator with a supporting oscillator and divide-by-8 prescaler. It operates from a single +3V supply and draws only 5.5mA. The demodulator accepts an amplified and filtered IF signal in the 35MHz to 80MHz range, and demodulates it into I and Q baseband signals with 51dB of voltage conversion gain.