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Data Acquisition ADCs/DACs - Specialized 32-channel 12-bit analog monitor and controller with multichannel ADC, bipolar DACs and temp sensor 48-HTQFP -40 to 125

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AMC7932FPHPT General Description

The AMC7932 is a highly integrated analog monitor and control device designed for high-density, general-purpose monitor and control systems. The AMC7932 includes 32 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 AMC7932 high level of integration significantly reduces component count and simplifies closed-loop system designs, thus making it a great choice for high-density applications where board space is critical.

The device includes flexible input/output (FlexIO) pins that can be configured as either analog inputs to the ADC or as GPIOs with two available options: AMC7932 (six FlexIO pins) and AMC7932F (five FlexIO pins). Communication to the device is performed through a 3-wire (AMC7932) or 4-wire (AMC7932F) SPI-compatible interface.

The AMC7932 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.

Texas Instruments, Inc Inventory

Key Features

  • 32 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
  • FlexIO pins; ADC and GPIO configurable
    • AMC7932: 6 FlexIO pins
    • AMC7932F: 5 FlexIO pins
  • 12-bit, 250-kSPS SAR ADC
    • Input ranges: 0 V to 5 V and 0 V to 2.5 V
    • Programmable out-of-range alarms
  • General-purpose I/O (GPIO)
  • Built-in sequencing features
  • Internal 2.5-V reference
  • Internal temperature sensor
    • Accuracy: ±2.5°C (maximum)
    • Resolution: 0.0625°C
  • SPI-compatible interface: 1.65-V to 5.5-V operation
    • AMC7932: 3-wire mode
    • AMC7932F: 4-wire mode
  • Specified temperature range: –40°C to +125°C
  • Operating temperature range: –40°C to +150°C
Texas Instruments, Inc Original Stock
Texas Instruments, Inc Inventory


Category Integrated Circuits (ICs)Data AcquisitionADCs/DACs - Special Purpose Mfr Texas Instruments
Series - Package Tape & Reel (TR)
Product Status Active Mounting Type Surface Mount
Package / Case 48-PowerTQFP Supplier Device Package 48-HTQFP (7x7)
Number of ADC channels 1 ADC resolution (Bps) 12
Number of DAC channels 32 DAC resolution (Bps) 12
Temperature sensing Local Number of GPIOs 6
Interface type SPI Features 32 Channel
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

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