10 GHz to 40 GHz, 4-Channel Rx Mixer with
4× LO Multiplier/Filter
Data Sheet
ADAR2004
FEATURES
GENERAL DESCRIPTION
Quad LNA, mixer, IF VGA
The ADAR2004 is a 4-channel receiver IC that is optimized for
4× LO multiplier with programmable harmonic filter
RF input frequency range: 10 GHz to 40 GHz
IF output frequency range: 0 MHz to 800 MHz
LO input frequency range: 2.4 GHz to 10.1 GHz
Gain range: 21 dB to 41 dB
Input P1dB: −20 dBm typical (at minimum gain)
Noise figure: 9 dB typical (at maximum gain)
3-wire or 4-wire SPI control
On-chip programmable state machines for fast
multiplier/filter and receiver switching and control
On-chip temperature sensor and ADC
DC power: 910 mW (2.5 V supply)
7 mm × 7 mm, 48-terminal LGA package
millimeter wave body scanning applications. Accepting differential
input signals from 10 GHz to 40 GHz, the ADAR2004 provides a
low intermediate frequency (IF) output up to 800 MHz. Each
receive channel also has independent gain control.
The mixer local oscillator (LO) path includes a 4× multiplier
requiring an applied LO frequency between 2.4 GHz and
10.1 GHz. The 4× multiplier block includes a programmable filter
that helps keep harmonics down before reaching the mixer.
Two programmable state machines are included to facilitate
simple configuration, control, and fast switching of the frequency
multiplier, filter, and receiver sections. These sequencers are
programmed through the serial peripheral interface (SPI) and
are then operated by pulsed inputs (reset and advance).
APPLICATIONS
Millimeter wave imaging
Security
Medical
Industrial
The ADAR2004 requires only a single 2.5 V supply with power
consumption of 910 mW with all channels turned on.
The ADAR2004 is available in a 7 × 7 mm, 48-terminal LGA
package and is specified from −40°C to +85°C.
Multichannel receivers
FUNCTIONAL BLOCK DIAGRAM
ADAR2004
RECEIVER SEQUENCER
RFIN1+
RFIN1–
IFOUT1+
IFOUT1–
LNA
LNA
LNA
LNA
VGA
VGA
VGA
VGA
RFIN2+
RFIN2–
IFOUT2+
IFOUT2–
RFIN3+
RFIN3–
IFOUT3+
IFOUT3–
RFIN4+
RFIN4–
IFOUT4+
IFOUT4–
MULTIPLIER/FILTER SEQUENCER
×4
LOIN
BUFFER
×4
×4
CS
SDIO
SCLK
SDO
SPI
CONTROL
ADC
TEMPERATURE
SENSOR
MULTIPLIER/FILTER
STATE MACHINE
(16 STATES)
RECEIVER
STATE MACHINE
(16 STATES)
MRST
MADV
RxRST
RxADV
Figure 1.
Rev. 0
Document Feedback
Information furnished by Analog Devices is believed to be accurate and reliable. However, no
responsibility is assumed by Analog Devices for its use, nor for any infringements of patents or other
rights of third parties that may result from its use. Specifications subject to change without notice.
No license is granted by implication or otherwise under any patent or patent rights of Analog
Devices. Trademarks and registeredtrademarks are the property of their respective owners.
One Technology Way, P.O. Box 9106, Norwood, MA 02062-9106, U.S.A.
Tel: 781.329.4700
Technical Support
©2020 Analog Devices, Inc. All rights reserved.
www.analog.com