Overview
The AD7992BRM-1 is a 12-bit, low-power, successive approximation analog-to-digital converter (ADC) produced by Analog Devices Inc. This component features a 2-channel multiplexer and track-and-hold amplifier, making it suitable for a variety of applications requiring precise analog-to-digital conversion. The AD7992 operates from a single 2.7 V to 5.5 V power supply and includes an I2C-compatible serial interface, supporting standard, fast, and high-speed modes. The device is known for its low power consumption and fast conversion time of 2 µs, along with an automatic shutdown mode to maximize power efficiency.
Key Specifications
| Parameter | Value |
|---|---|
| Number of Bits | 12 |
| Number of Channels | 2 |
| Conversion Time | 2 µs |
| Power Supply Voltage | 2.7 V to 5.5 V |
| Operating Temperature | –40°C to +125°C |
| Package Type | 10-Lead MSOP |
| Data Interface | I2C-compatible (standard, fast, high speed) |
| Shutdown Current | 1 µA max at 3 V |
| Input Frequency | Up to 11 MHz |
Key Features
- I2C-compatible serial interface with pin-selectable addresses, supporting standard, fast, and high-speed modes.
- Low power consumption with automatic shutdown mode to maximize power efficiency.
- Fast conversion time of 2 µs.
- Out-of-range indicator/alert function that can be software disabled or enabled.
- One-shot and automatic conversion rates.
- Registers to store minimum and maximum conversion results.
- Reference voltage can be driven up to the power supply voltage.
Applications
The AD7992BRM-1 is suitable for various applications requiring precise and efficient analog-to-digital conversion, such as:
- Industrial automation and control systems.
- Medical devices and diagnostic equipment.
- Aerospace and defense systems.
- Automotive systems, including sensor interfaces and data acquisition.
- Consumer electronics, such as audio and video equipment.
Q & A
- What is the resolution of the AD7992BRM-1 ADC?
The AD7992BRM-1 has a resolution of 12 bits.
- How many analog input channels does the AD7992BRM-1 have?
The AD7992BRM-1 has 2 analog input channels.
- What is the conversion time of the AD7992BRM-1?
The conversion time of the AD7992BRM-1 is 2 µs.
- What is the power supply voltage range for the AD7992BRM-1?
The power supply voltage range for the AD7992BRM-1 is from 2.7 V to 5.5 V.
- What type of data interface does the AD7992BRM-1 use?
The AD7992BRM-1 uses an I2C-compatible serial interface.
- What is the maximum current consumption in shutdown mode at 3 V?
The maximum current consumption in shutdown mode at 3 V is 1 µA.
- Can the AD7992BRM-1 handle high-frequency inputs?
Yes, the AD7992BRM-1 can handle input frequencies up to 11 MHz.
- Does the AD7992BRM-1 support multiple I2C addresses?
Yes, the AD7992BRM-1 supports multiple I2C addresses through pin-selectable addressing.
- What is the operating temperature range of the AD7992BRM-1?
The operating temperature range of the AD7992BRM-1 is from –40°C to +125°C.
- What package type is the AD7992BRM-1 available in?
The AD7992BRM-1 is available in a 10-Lead MSOP package.
