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AD8333 - Dual I/Q Demodulator and Phase Shifter

Datasheet Summary

Description

The AD83331 is a dual phase-shifter and I/Q demodulator that enables coherent summing and phase alignment of multiple analog data channels.

It is the first solid-state device suitable for beamformer circuits, such as those used in high performance medical ultrasound equipment featuring CW Doppler.

Features

  • Dual integrated I/Q demodulator 16 phase select options on each output (22.5° per step) Quadrature demodulation accuracy Phase accuracy: ±0.1° Amplitude balance: ±0.05 dB Bandwidth 4 × LO: 10 kHz to 200 MHz RF: dc to 50 MHz Baseband: determined by external filtering Output dynamic range: 159 dB/Hz LO drive > 0 dBm (50 Ω); 4 × LO > 1 MHz Supply: ±5 V Power consumption: 190 mW/channel (380 mW total) Power-down.

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Datasheet Details

Part number AD8333
Manufacturer Analog Devices
File Size 1.77 MB
Description Dual I/Q Demodulator and Phase Shifter
Datasheet download datasheet AD8333 Datasheet
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Full PDF Text Transcription

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Data Sheet DC to 50 MHz, Dual I/Q Demodulator and Phase Shifter AD8333 FEATURES Dual integrated I/Q demodulator 16 phase select options on each output (22.5° per step) Quadrature demodulation accuracy Phase accuracy: ±0.1° Amplitude balance: ±0.05 dB Bandwidth 4 × LO: 10 kHz to 200 MHz RF: dc to 50 MHz Baseband: determined by external filtering Output dynamic range: 159 dB/Hz LO drive > 0 dBm (50 Ω); 4 × LO > 1 MHz Supply: ±5 V Power consumption: 190 mW/channel (380 mW total) Power-down APPLICATIONS Medical imaging (CW ultrasound beamforming) Phased array systems (radar and adaptive antennas) Communication receivers GENERAL DESCRIPTION The AD83331 is a dual phase-shifter and I/Q demodulator that enables coherent summing and phase alignment of multiple analog data channels.
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