Overview
The AD7998BRUZ-0 is a high-performance, 8-channel, 12-bit analog-to-digital converter (ADC) produced by Analog Devices Inc. This device features a successive approximation architecture and is designed for low power consumption. It operates from a single 2.7 V to 5.5 V power supply and includes an I2C-compatible interface, making it versatile for various applications. The ADC also includes an 8-channel multiplexer and track-and-hold amplifier, capable of handling input frequencies up to 11 MHz.
Key Specifications
| Parameter | Value |
|---|---|
| Number of Channels | 8 |
| Resolution | 12-bit |
| Conversion Time | 2 µs |
| Power Supply Range | 2.7 V to 5.5 V |
| Interface | I2C-compatible (standard, fast, and high speed modes) |
| Input Frequency Range | Up to 11 MHz |
| Package Type | 20-Lead TSSOP |
| Operating Temperature Range | -40°C to 85°C |
| External Reference Range | 1.2 V to VDD |
Key Features
- Low power consumption with shutdown mode to reduce power when not converting.
- High-speed I2C interface supporting standard, fast, and high speed modes.
- External reference input range from 1.2 V to VDD for flexible dynamic input range.
- 8-channel multiplexer and track-and-hold amplifier for handling multiple inputs.
- Conversion control via CONVST pin or I2C write operations.
- Automatic conversion interval mode selectable through software control.
Applications
The AD7998BRUZ-0 is suitable for a variety of applications requiring high accuracy and low power consumption, 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 AD7998BRUZ-0 ADC?
The AD7998BRUZ-0 has a 12-bit resolution. - What is the operating voltage range of the AD7998BRUZ-0?
The device operates from a single 2.7 V to 5.5 V power supply. - What type of interface does the AD7998BRUZ-0 use?
The AD7998BRUZ-0 uses an I2C-compatible interface. - How many channels does the AD7998BRUZ-0 support?
The AD7998BRUZ-0 supports 8 channels. - What is the conversion time of the AD7998BRUZ-0?
The conversion time is 2 µs. - What is the input frequency range that the track-and-hold amplifier can handle?
The track-and-hold amplifier can handle input frequencies up to 11 MHz. - What is the package type of the AD7998BRUZ-0?
The package type is 20-Lead TSSOP. - How does the AD7998BRUZ-0 manage power consumption?
The device normally remains in a shutdown state while not converting and powers up only for conversions. - Can the AD7998BRUZ-0 be controlled via software?
Yes, the conversion process can be controlled using the CONVST pin or through I2C write operations, and an automatic conversion interval mode can be selected through software control. - What is the range for the external reference input?
The external reference input range is from 1.2 V to VDD.
