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FEATURES

4 closed-loop power amplifier (PA) drain current controllers

Built-in PA protection, sequencing, and alert features

Compatible with both depletion mode and enhancement mode power amplifiers

Highly integrated

4 uncommitted 12-bit analog-to-digital converter (ADC) inputs

±0.5 LSB typical integral nonlinearity (INL)

Eight 12-bit voltage digital-to-analog converters (DACs)

1.3 μs maximum settling

4 high-side current sense amplifiers, ±0.1% gain error

2 external temperature sensor inputs, ±1.1°C accuracy

Internal temperature sensor, ±1.25°C accuracy

2.5 V on-chip reference

Flexible monitoring and control ranges

ADC input ranges: 0 V to 1.25 V, 0 V to 2.5 V, and 0 V to 5 V

Bipolar DAC ranges: 0 V to +5 V, ?4 V to +1 V, and ?5 V to 0 V

Bipolar DAC reset and clamping relative to VCLAMPx voltage

Unipolar DAC ranges: 0 V to 5 V, 2.5 V to 7.5 V, and 5 V to 10 V

Current sense gain: 6.25, 12.5, 25, 50, 100, and more

Adjustable closed-loop setpoint ramp time

High-side voltage current sensing

4 current sense inputs

4 V to AVSS + 60 V, ±200 mV input range

Small package and flexible interface

Serial port interface (SPI) with VDRIVE supporting 1.8 V, 3 V, and 5 V interfaces

56-lead LFCSP

Temperature range: ?40°C to +125°C

APPLICATIONS

GaN and GaAs power amplifier monitoring and controls

Base station power amplifiers

General-purpose system monitoring and controls