Overview
The AD7998BRU-1 is a high-performance, 8-channel, 12-bit successive approximation analog-to-digital converter (ADC) manufactured by Analog Devices Inc. This device is designed for low power consumption and features an I2C-compatible serial interface, making it suitable for a wide range of applications requiring precise analog-to-digital conversion.
The AD7998BRU-1 operates from a single 2.7 V to 5.5 V power supply and includes an 8-channel multiplexer and track-and-hold amplifier, capable of handling input frequencies up to 11 MHz. The device is available in a 20-lead TSSOP package and supports standard, fast, and high-speed I2C interface modes.
Key Specifications
| Parameter | Value |
|---|---|
| Manufacturer | Analog Devices Inc. |
| Part Number | AD7998BRU-1 |
| Converter Type | Successive Approximation ADC |
| Number of Analog Input Channels | 8 |
| Number of Bits | 12 |
| Sample Rate | 188 kSPS |
| Supply Voltage | 2.7 V to 5.5 V |
| Operating Temperature | -40°C to +85°C |
| Package Type | 20-lead TSSOP |
| Interface | I2C-compatible serial interface |
| Conversion Time | 2 µs |
| Linearity Error (Max) | 0.0244% |
| Shutdown Current | 1 µA max |
Key Features
- I2C-compatible serial interface supporting standard, fast, and high-speed modes.
- 8-channel multiplexer and track-and-hold amplifier capable of handling input frequencies up to 11 MHz.
- Low power consumption with a shutdown current of 1 µA max.
- Operating from a single 2.7 V to 5.5 V power supply.
- External reference input range from 1.2 V to VDD, allowing for a wide dynamic input range.
- Out-of-range indicator/alert function and pin-selectable addressing via AS pin.
- Available in a 20-lead TSSOP package.
Applications
The AD7998BRU-1 is versatile and can be used in various applications, including:
- Industrial automation and control systems.
- Medical devices requiring precise analog-to-digital conversion.
- Aerospace and defense systems where low power and high accuracy are crucial.
- Automotive systems, such as sensor interfaces and data acquisition systems.
- Consumer electronics, including smart home devices and IoT applications.
Q & A
- What is the AD7998BRU-1?
The AD7998BRU-1 is an 8-channel, 12-bit successive approximation analog-to-digital converter (ADC) with an I2C-compatible serial interface.
- What is the operating voltage range of the AD7998BRU-1?
The device operates from a single 2.7 V to 5.5 V power supply.
- What is the sample rate of the AD7998BRU-1?
The sample rate is 188 kSPS.
- What type of interface does the AD7998BRU-1 use?
The device uses an I2C-compatible serial interface supporting standard, fast, and high-speed modes.
- What is the package type of the AD7998BRU-1?
The device is available in a 20-lead TSSOP package.
- What is the operating temperature range of the AD7998BRU-1?
The operating temperature range is -40°C to +85°C.
- Does the AD7998BRU-1 have a shutdown mode?
Yes, the device has a shutdown mode with a current of 1 µA max.
- What is the linearity error of the AD7998BRU-1?
The linearity error is 0.0244% max.
- Can the AD7998BRU-1 handle high-frequency inputs?
Yes, the device can handle input frequencies up to 11 MHz.
- Is the AD7998BRU-1 RoHS compliant?
No, the AD7998BRU-1 is not RoHS compliant.
