Analog Devices Inc.

Category: Data Converters

12-Bit Power Amplifier Current Controller with ADC, DACs, Temperature and Current Sensors 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

$181.00 - $452.43