AD7293

RECOMMENDED FOR NEW DESIGNS

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

Data Sheet (Rev. D) Product Selection Table

Part Models: 2
1ku List Price: Starting From $31.57

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Part Details

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 V_CLAMPx 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 AV_SS + 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

Part Models: 2
1ku List Price: Starting From $31.57

Documentation

ADI has always placed the highest emphasis on delivering products that meet the maximum levels of quality and reliability. We achieve this by incorporating quality and reliability checks in every scope of product and process design, and in the manufacturing process as well. "Zero defects" for shipped products is always our goal. View our quality and reliability program and certifications for more information.

Part Model	Pin/Package Drawing	Documentation	CAD Symbols, Footprints, and 3D Models
AD7293BCPZ	56-Lead LFCSP (8mm x 8mm w/ EP)	Material Declaration Reliablity Data	Ultra Librarian SamacSys
AD7293BCPZ-RL	56-Lead LFCSP (8mm x 8mm w/ EP)	Material Declaration Reliablity Data	Ultra Librarian SamacSys

This is the most up-to-date revision of the Data Sheet.

Software Resources

Device Drivers 2

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Evaluation Kits

AD7293 Evaluation Board

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Features and Benefits

Full featured evaluation board for AD7293
Graphical user interface (GUI) software with USB control
Various link options

Product Details

The AD7293 is a 12-bit monitoring device with multichannel ADC, DACs, current sensors, and temperature sensors.

For full details on the AD7293, see the AD7293 data sheet and consult it when using the EVAL-AD7293SDZ. The configuration of the various link options is explained in the Evaluation Board Hardware section.

The EVAL-AD7293SDZ requires the EVAL-SDP-CB1Z board. The EVAL-AD7293SDZ interfaces to the USB port of the PC via the EVAL-SDP-CB1Z. Software that allows the user to easily program the AD7293 is available with the EVAL-AD7293SDZ.