Packaging information
| Package | Pins HTQFP (PAP) | 64 |
| Operating temperature range (°C) -40 to 125 |
| Package qty | Carrier 1,000 | LARGE T&R |
Features for the AMC7924
- 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
Description for the AMC7924
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.