RF isolator ADMV1128

Description

Integration of an upconverter (a transmitter), a downconverter (a receiver), and a LO chain with options of a 2× or 4× multiplier in one chip
RF frequency range: 24 GHz to 29.5 GHz
LO input frequency range:
8 GHz to 15 GHz for x2 mode, 5 GHz to 7.5 GHz for x4 mode
Complex IF operation (IF mode) with optional on-chip hybrid
Direct conversion of differential baseband I/Q (baseband mode)
Programmable baseband I/Q common-mode voltage
Common-mode input pin to track desired common mode, 0 V to 1.5 V voltage range
Optional on-chip RF switch port between the transmitter and the receiver
Matched, 50 Ω impedance, single-ended RF input and output, and RF switch port
Matched, 50 Ω impedance single-ended LO input
Low phase variation vs. gain control
Upconversion mode
Sideband rejection and carrier feedthrough optimization
Envelope detector for LO feedthrough calibration
Downconversion mode
Image rejection and I/Q imbalance optimization
Baseband I/Q dc offset correction
Receiver mixer power detector for receiver gain setting
LO chain features
Variable gain to accommodate the various LO drive strength values
360° phase control shifter for LO synchronization
Programmable LO harmonic reject filter
I/Q phase correction
Fast TDD switching time via external pins
Calibration probes for array calibration
Programmable via a 3-wire or 4-wire SPI, compatible with ADMV4828 interface
131-ball, 6 mm × 6.5 mm, BGA package

The ADMV1128 is a silicon on isolator (SOI), microwave, upconverter and downconverter optimized for 5G radio designs operating in the 24 GHz to 29.5 GHz frequency range.