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