ADF5904

RECOMMENDED FOR NEW DESIGNS

4-Channel, 24 GHz, Receiver Downconverter

Analog Devices ADF5904 Product Info

10 February 2026 7

Features

Integrated baluns for single-ended receiver (Rx) inputs and local oscillator (LO) input
Rx channel gain: 22 dB
Noise figure (NF): 10 dB
P1dB: −10 dBm
LO input range: −8 dBm to +5 dBm
Rx to IF isolation: 30 dB
RF signal bandwidth: 250 MHz
Rx output impedance: 900 Ω differential
LO input buffer: 24 GHz
RF and LO S11 at 50 Ω: −5 dB
Temperature sensor with analog output: ±5°
Electrostatic discharge (ESD) performance
Human body model (HBM): 2000 V
Charged device model (CDM): 500 V
Qualified for automotive applications

Part details & applications

The ADF5904 is a 4-channel, 24 GHz, receiver downconverter. Each channel contains a single-ended RF input with an on-chip balun followed by a differential low noise amplifier (LNA) and a downconverter mixer with differential output buffers. The RF LO path also has an on-chip balun.

Control of the on-chip registers is through a simple 3-wire interface.

The ADF5904 comes in a compact 32-lead, 5 mm × 5 mm LFCSP package.

Applications

Automotive radars
Industrial radars
Microwave (µW) radar sensors

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