Product details

Number of ADC channels 24 ADC resolution (bits) 12 Number of DAC channels (#) 24 DAC: resolution (Bits) 12 Temperature sensing Local GPIOs 6 Interface type SPI Operating temperature range (C) -40 to 125 ADC: sampling rate (KSPS) 250 ADC: analog input range (Min) (V) 0 ADC: analog input range (Max) (V) 5 DAC: output full scale (Min) (V) -10 DAC: output full scale (Max) (V) +10
Number of ADC channels 24 ADC resolution (bits) 12 Number of DAC channels (#) 24 DAC: resolution (Bits) 12 Temperature sensing Local GPIOs 6 Interface type SPI Operating temperature range (C) -40 to 125 ADC: sampling rate (KSPS) 250 ADC: analog input range (Min) (V) 0 ADC: analog input range (Max) (V) 5 DAC: output full scale (Min) (V) -10 DAC: output full scale (Max) (V) +10
HTQFP (PAP) 64 100 mm² 10 x 10
  • 24 monotonic 12-bit DACs
    • Programmable ranges: –10 V to 0 V, –5 V to 0 V, 0 V to 5 V, and 0 V to 10 V
    • High current drive capability
    • Autorange detector
  • 24 inputs, 12-bit SAR ADC
    • High sample rate: 250 kSPS
    • Input ranges: 0 V to 5 V and 0 V to 2.5 V
    • Programmable out-of-range alarms
  • 6 FlexIO pins; ADC and GPIO configurable
  • Built-in sequencing features
  • Internal 2.5-V reference
  • Internal temperature sensor
    • Accuracy: ±2.5°C, maximum
    • Resolution: 0.0625°C
  • 4-wire, SPI-compatible interface
    • 1.65-V to 5.5-V operation
  • Specified temperature range: –40°C to +125°C
  • Operating temperature range: –40°C to +150°C
  • 24 monotonic 12-bit DACs
    • Programmable ranges: –10 V to 0 V, –5 V to 0 V, 0 V to 5 V, and 0 V to 10 V
    • High current drive capability
    • Autorange detector
  • 24 inputs, 12-bit SAR ADC
    • High sample rate: 250 kSPS
    • Input ranges: 0 V to 5 V and 0 V to 2.5 V
    • Programmable out-of-range alarms
  • 6 FlexIO pins; ADC and GPIO configurable
  • Built-in sequencing features
  • Internal 2.5-V reference
  • Internal temperature sensor
    • Accuracy: ±2.5°C, maximum
    • Resolution: 0.0625°C
  • 4-wire, SPI-compatible interface
    • 1.65-V to 5.5-V operation
  • Specified temperature range: –40°C to +125°C
  • Operating temperature range: –40°C to +150°C

The AMC7924 is a highly integrated analog monitor and control device designed for high-density, general-purpose monitor and control systems. The AMC7924 includes 24 12-bit digital-to-analog converters (DACs) with programmable output ranges. The device also incorporates a multiplexed, 12-bit analog-to-digital converter (ADC) with programmable threshold detectors, a temperature sensor, and an internal reference. The AMC7924 high level of integration significantly reduces component count and simplifies closed-loop system designs, thus making the device a great choice for high-density applications where board space is critical.

The device includes 24 dedicated ADC inputs and six flexible input/output (FlexIO) pins that can be configured as either additional analog inputs to the ADC or as GPIOs. Communication to the device is performed through a 4-wire, SPI-compatible interface.

The AMC7924 high-integration and wide operating temperature range make the device an excellent choice as an all-in-one bias-control circuit for the power amplifiers (PA) found in multichannel RF communication systems. The flexible DAC output ranges and built-in sequencing features allow the device to be used as a biasing controller for a large variety of transistor technologies, such as LDMOS, GaAs, and GaN. The AMC7924 feature set is similarly beneficial in general-purpose monitor and control systems.

The AMC7924 is a highly integrated analog monitor and control device designed for high-density, general-purpose monitor and control systems. The AMC7924 includes 24 12-bit digital-to-analog converters (DACs) with programmable output ranges. The device also incorporates a multiplexed, 12-bit analog-to-digital converter (ADC) with programmable threshold detectors, a temperature sensor, and an internal reference. The AMC7924 high level of integration significantly reduces component count and simplifies closed-loop system designs, thus making the device a great choice for high-density applications where board space is critical.

The device includes 24 dedicated ADC inputs and six flexible input/output (FlexIO) pins that can be configured as either additional analog inputs to the ADC or as GPIOs. Communication to the device is performed through a 4-wire, SPI-compatible interface.

The AMC7924 high-integration and wide operating temperature range make the device an excellent choice as an all-in-one bias-control circuit for the power amplifiers (PA) found in multichannel RF communication systems. The flexible DAC output ranges and built-in sequencing features allow the device to be used as a biasing controller for a large variety of transistor technologies, such as LDMOS, GaAs, and GaN. The AMC7924 feature set is similarly beneficial in general-purpose monitor and control systems.

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* Data sheet AMC7924 24-Channel, 12-Bit Analog Monitor and Controller With Multichannel ADC, Bipolar DACs, Temperature Sensor, and GPIO Ports datasheet 05 Nov 2021
Technical article How smart AFEs offer an integrated analog solution for thermoelectric cooling control 04 Jan 2022

Design & development

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Evaluation board

AMC7924EVM — AMC7924 evaluation module for 24-channel 12-bit analog monitor and controller

The AMC7924 evaluation module (EVM) is an easy-to-use platform for evaluating the functionality and performance of the AMC7924. The EVM leverages the USB2ANY interface adapter to provide a control serial peripheral interface (SPI). The EVM provides access to the digital-to-analog converter (DAC) (...)

Simulation tool

PSPICE-FOR-TI — PSpice® for TI design and simulation tool

PSpice® for TI is a design and simulation environment that helps evaluate functionality of analog circuits. This full-featured, design and simulation suite uses an analog analysis engine from Cadence®. Available at no cost, PSpice for TI includes one of the largest model libraries in the (...)
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