Overview
The AD7998BRUZ-1 is a high-performance, 8-channel, 12-bit analog-to-digital converter (ADC) produced by Analog Devices Inc. This device is part of the AD7997/AD7998 family, which features low power consumption and successive approximation architecture. The AD7998BRUZ-1 operates from a single 2.7 V to 5.5 V power supply and is housed in a 20-lead TSSOP package. It is designed for applications requiring multiple analog inputs with high precision and low power consumption.
Key Specifications
| Parameter | Value |
|---|---|
| Number of Channels | 8 |
| Resolution | 12 bits |
| Conversion Time | 2 µs |
| Input Frequency Range | Up to 11 MHz |
| Power Supply Range | 2.7 V to 5.5 V |
| Temperature Range | –40°C to +85°C |
| Package Type | 20-lead TSSOP |
| I2C Interface Modes | Standard, Fast, High Speed |
| External Reference Range | 1.2 V to VDD |
| Shutdown Current | 1 µA max |
Key Features
- I2C-compatible serial interface supporting standard, fast, and high speed modes.
- Low power consumption with a shutdown current of 1 µA max.
- Successive approximation ADC architecture with a conversion time of 2 µs.
- 8-channel multiplexer and track-and-hold amplifier capable of handling input frequencies up to 11 MHz.
- External reference input range from 1.2 V to VDD, allowing a wide dynamic input range.
- Pin-selectable addressing via the AS pin, allowing multiple devices on the same I2C bus.
- Out-of-range indicator/alert function and a CONVST pin for controlling the conversion process.
Applications
- Industrial automation and control systems requiring multiple analog inputs.
- Medical devices that need high precision and low power consumption.
- Automotive systems where robustness and wide temperature range are essential.
- Consumer electronics such as smart home devices and IoT applications.
- Test and measurement equipment where precision and speed are critical.
Q & A
- What is the resolution of the AD7998BRUZ-1?
The AD7998BRUZ-1 has a resolution of 12 bits.
- What is the conversion time of the AD7998BRUZ-1?
The conversion time is 2 µs.
- What is the power supply range for the AD7998BRUZ-1?
The device operates from a single 2.7 V to 5.5 V power supply.
- What types of I2C interface modes does the AD7998BRUZ-1 support?
The AD7998BRUZ-1 supports standard, fast, and high speed I2C interface modes.
- What is the temperature range of the AD7998BRUZ-1?
The temperature range is –40°C to +85°C.
- How many channels does the AD7998BRUZ-1 have?
The device has 8 channels.
- What is the package type of the AD7998BRUZ-1?
The device is housed in a 20-lead TSSOP package.
- How is the conversion process controlled in the AD7998BRUZ-1?
The conversion process can be controlled using the CONVST pin or through I2C write operations.
- What is the external reference input range for the AD7998BRUZ-1?
The external reference input range is from 1.2 V to VDD.
- Does the AD7998BRUZ-1 have an out-of-range indicator/alert function?
Yes, the device has an out-of-range indicator/alert function.
