Products > Integrated Circuits (ICs) > Amplifier ICs > AD7293BCPZ
  • AD7293BCPZ
  • AD7293BCPZ 0
  • AD7293BCPZ 1
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Power Amplifier Current Controller 12bit 56-Pin LFCSP EP Tray

Manufacturer :
Analog Devices, Inc
Package/Case :
Product Categories :
Linear > Misc Data Conversion
RoHs Status:
Lead free/RoHS Compliant

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AD7293BCPZ Product Details

The AD7293BCPZ is a PA drain current controller containing functionality for general-purpose monitoring and control of current, voltage, and temperature, integrated into a single chip solution with an SPI-compatible interface.

The device features a 4-channel, 12-bit successive approximation register (SAR) ADC, eight 12-bit DACs (four bipolar and four unipolar with output ranges that can be configured to shut down under external pin control), a ±1.25°C accurate internal temperature sensor, and eight general-purpose input/output (GPIO) pins.

The device also includes limit registers for alert functions and four high-side current sense amplifiers to measure current across external shunt resistors. These amplifiers can be optionally set to operate as part of four independent closed-loop drain current controllers.

A high accuracy 2.5 V internal reference is provided to drive theDACs and the ADC. The 12-bit ADC monitors and digitizes theinternal temperature sensor, and two inputs are included for theexternal diode temperature sensors.

Product Highlights

  • Four independent closed-loop drain current controllers.
  • Built-in monitoring, sequencing, and alert features.
  • Compatible with both depletion mode and enhancementmode power amplifiers.
  • Feature

    • 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


    • GaN and GaAs power amplifier monitoring and controls
    • Base station power amplifiers
    • General-purpose system monitoring and controls

    AD7293BCPZ Pinout
    (Picture: Pinout)

    AD7293BCPZ Block Diagram
    (Picture: Diagram)

    Technical Parameters

    Type Power Amplifier Voltage Supply ??4.5V ~ 5.5V
    Number of Channels 4 Operating Temperature -40??C ~ 125??C
    Resolution (Bits) 12 b Mounting Type Surface Mount
    Data Interface Serial, SPI Package / Case 56-WFQFN Exposed Pad, CSP
    Voltage Supply Source Single Supply Supplier Device Package 56-LFCSP-WQ (8x8)

    AD7293BCPZ Documents

    • AD7293 Technical Documentation/Data sheet

    AD7293BCPZ Related Products

    Ratings and Reviews (1)

    • 5 / 5
    • 5 Stars 100%
    • 4 Stars 0%
    • 3 Stars 0%
    • 2 Stars 0%
    • 1 Stars 0%
    • ****ascha Gensheime*****

      Alles Super, jederzeit wieder. Danke +++++

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    Analog Devices, Inc. was founded by two MIT graduates, Ray Stata and Matthew Lorber in 1965. The same year, the company released its first product, the model 101 op amp, which was a hockey-puck sized...
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