Overview
The AMC7812BSRGCT, produced by Texas Instruments, is a comprehensive analog monitoring and control solution. This integrated circuit combines a 16-channel, 12-bit analog-to-digital converter (ADC), twelve 12-bit digital-to-analog converters (DACs), eight general-purpose inputs and outputs (GPIOs), and temperature sensing capabilities. It is designed for multichannel applications where board space, size, and low power consumption are critical.
The device features an internal 2.5-V reference and supports both I²C and SPI interfaces, making it versatile for various control and monitoring tasks. It is available in a 64-VQFN package and operates over a temperature range of -40°C to +125°C.
Key Specifications
| Parameter | Description | Value |
|---|---|---|
| Data Interface | I²C, SPI | I²C, SPI |
| Mounting Type | Surface Mount | Surface Mount |
| Number of Channels | 16 (ADC), 12 (DAC) | 16 (ADC), 12 (DAC) |
| Operating Temperature Range | -40°C to +125°C | -40°C to +125°C |
| Package | 64-VQFN Exposed Pad | 64-VQFN Exposed Pad |
| Resolution (Bits) | 12 bits (ADC and DAC) | 12 bits (ADC and DAC) |
| Voltage Supply | 2.7V to 5.5V (Analog and Digital) | 2.7V to 5.5V (Analog and Digital) |
| ADC Sampling Rate | 500 kSPS | 500 kSPS |
| Temperature Sensing | Local and Remote | Local and Remote |
| Number of GPIOs | 8 | 8 |
Key Features
- 12-Bit ADC and DACs: The device includes a 16-channel, 12-bit ADC and twelve 12-bit DACs, providing high-resolution analog-to-digital and digital-to-analog conversion.
- Temperature Sensors: It features two remote and one local temperature sensor channel with ±2°C accuracy for remote sensors and ±2.5°C accuracy for the internal sensor.
- GPIOs: Eight general-purpose inputs and outputs are available for flexible control and monitoring.
- Configurable Interfaces: Supports both I²C and SPI interfaces with 5-V and 3-V logic compatibility.
- Internal Reference: An internal 2.5-V reference is included, and an external reference can also be used.
- Low Power Consumption: Typical power dissipation is 95 mW, making it suitable for low-power applications.
Applications
The AMC7812BSRGCT is ideal for various applications requiring multichannel analog monitoring and control, such as:
- Industrial Automation: For monitoring and controlling multiple analog signals in industrial environments.
- Medical Devices: For precise measurement and control in medical equipment.
- Aerospace and Defense: For applications requiring high reliability and precision in harsh environments.
- Automotive Systems: For monitoring and controlling various parameters in automotive systems.
Q & A
- What is the resolution of the ADC and DAC in the AMC7812BSRGCT?
The ADC and DAC both have a resolution of 12 bits.
- How many channels does the ADC have?
The ADC has 16 channels.
- What is the operating temperature range of the AMC7812BSRGCT?
The operating temperature range is -40°C to +125°C.
- What interfaces does the AMC7812BSRGCT support?
The device supports both I²C and SPI interfaces.
- How many GPIOs are available on the AMC7812BSRGCT?
There are eight general-purpose inputs and outputs (GPIOs) available.
- What is the typical power dissipation of the AMC7812BSRGCT?
The typical power dissipation is 95 mW.
- Can the AMC7812BSRGCT use an external reference voltage?
- What is the accuracy of the temperature sensors in the AMC7812BSRGCT?
The remote temperature sensors have an accuracy of ±2°C, and the internal temperature sensor has an accuracy of ±2.5°C.
- What is the sampling rate of the ADC in the AMC7812BSRGCT?
The ADC sampling rate is 500 kSPS.
- In what package is the AMC7812BSRGCT available?
The device is available in a 64-VQFN Exposed Pad package.
