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AMC7924

ACTIVO

Controlador y monitor analógico de 24 canales y 12 bits con ADC multicanal, DAC bipolares y sensor d

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AMC7924

ACTIVO
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Detalles del producto

Number of ADC channels 24 ADC resolution (bps) 12 Number of DAC channels 24 DAC resolution (bps) 12 Temperature sensing Local Number of GPIOs 6 Interface type SPI Operating temperature range (°C) -40 to 125 Rating Catalog ADC sampling rate (ksps) 250 ADC analog input range (min) (V) 0 ADC analog input range (max) (V) 5 DAC settling time (µs) 7 DAC output full-scale (min) (V) -10 DAC output full-scale (max) (V) 10
Number of ADC channels 24 ADC resolution (bps) 12 Number of DAC channels 24 DAC resolution (bps) 12 Temperature sensing Local Number of GPIOs 6 Interface type SPI Operating temperature range (°C) -40 to 125 Rating Catalog ADC sampling rate (ksps) 250 ADC analog input range (min) (V) 0 ADC analog input range (max) (V) 5 DAC settling time (µs) 7 DAC output full-scale (min) (V) -10 DAC output full-scale (max) (V) 10
HTQFP (PAP) 64 144 mm² (12 mm × 12 mm)
  • 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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* Hoja de datos AMC7924 24-Channel, 12-Bit Analog Monitor and Controller With Multichannel ADC, Bipolar DACs, Temperature Sensor, and GPIO Ports datasheet PDF | HTML 5/11/2021
Nota sobre la aplicación Achieving Fast VGS Switching in RF Power Amplifiers in Aerospace and Defense Applications PDF | HTML 13/12/2023

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Placa de evaluación

AMC7924EVM — Módulo de evaluación AMC7924 para controlador y monitor analógico de 24 canales y 12 bits

El módulo de evaluación (EVM) AMC7924 es una plataforma fácil de usar para evaluar la funcionalidad y el rendimiento de AMC7924. El EVM aprovecha el adaptador de interfaz USB2ANY para proporcionar una interfaz periférica serie de control (SPI). El EVM brinda acceso a las salidas del convertidor (...)

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