Overview
The AD7998BRU-0 is an 8-channel, 12-bit analog-to-digital converter (ADC) produced by Analog Devices Inc. This integrated circuit is designed for low power consumption and features an I2C-compatible serial interface. The AD7998BRU-0 operates from a single power supply ranging from 2.7 V to 5.5 V and is housed in a 20-lead TSSOP package. Although the AD7998BRU-0 is currently obsolete and no longer manufactured, it remains relevant for existing designs and legacy systems.
Key Specifications
| Parameter | Value | Unit |
|---|---|---|
| Number of Channels | 8 | - |
| Resolution | 12-bit | - |
| Conversion Time | 2 µs (typical) | µs |
| Throughput Rate | Up to 188 kSPS | kSPS |
| Power Supply Range | 2.7 V to 5.5 V | V |
| Operating Temperature Range | -40°C to +85°C | °C |
| Package Type | 20-lead TSSOP | - |
| Interface | I2C-compatible serial interface | - |
| Input Range | 0 V to REFIN | V |
| Shutdown Current | 1 µA (maximum) | µA |
Key Features
- Fast conversion time of 2 µs (typical)
- Low power consumption
- I2C-compatible serial interface supporting standard, fast, and high speed modes
- Sequencer operation and automatic cycle mode
- Out-of-range indicator/alert function
- Pin-selectable addressing via AS pin
- Shutdown mode with a maximum current of 1 µA
- 8 single-ended analog input channels with input frequencies up to 11 MHz
Applications
The AD7998BRU-0 is suitable for a variety of applications requiring multiple analog-to-digital conversions, such as:
- Industrial automation and control systems
- Medical devices and diagnostic equipment
- Aerospace and defense systems
- Automotive systems, especially those requiring multiple sensor inputs
- Consumer electronics with multiple analog inputs
Q & A
- What is the resolution of the AD7998BRU-0 ADC?
The AD7998BRU-0 has a 12-bit resolution.
- What is the conversion time of the AD7998BRU-0?
The conversion time is typically 2 µs.
- What is the power supply range for the AD7998BRU-0?
The power supply range is from 2.7 V to 5.5 V.
- What type of interface does the AD7998BRU-0 use?
The AD7998BRU-0 uses an I2C-compatible serial interface.
- How many analog input channels does the AD7998BRU-0 have?
The AD7998BRU-0 has 8 single-ended analog input channels.
- What is the operating temperature range of the AD7998BRU-0?
The operating temperature range is from -40°C to +85°C.
- Is the AD7998BRU-0 still in production?
No, the AD7998BRU-0 is obsolete and no longer manufactured.
- What is the package type of the AD7998BRU-0?
The package type is a 20-lead TSSOP.
- Does the AD7998BRU-0 have a shutdown mode?
Yes, it has a shutdown mode with a maximum current of 1 µA.
- What is the input range for the analog inputs of the AD7998BRU-0?
The input range is from 0 V to REFIN.
