AMC7932
- 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
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.
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技術文件
| 類型 | 標題 | 日期 | ||
|---|---|---|---|---|
| * | Data sheet | AMC7932 32-Channel, 12-Bit Analog Monitor and Controller With Multichannel ADC, Bipolar DACs, Temperature Sensor and GPIO Ports datasheet | PDF | HTML | 2021年 11月 5日 |
| Application note | Achieving Fast VGS Switching in RF Power Amplifiers in Aerospace and Defense Applications | PDF | HTML | 2023年 12月 13日 |
設計與開發
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AMC7932EVM — 適用於 32 通道 12 位元類比監控器和控制器的 AMC7932 評估模組
The AMC7932 evaluation module (EVM) is an easy-to-use platform for evaluating the functionality and performance of the AMC7932. 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) (...)
PSPICE-FOR-TI — PSpice® for TI 設計與模擬工具
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| HTQFP (PHP) | 48 | 檢視選項 |
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