Overview
The AD7998BRUZ-0REEL is an 8-channel, 12-bit analog-to-digital converter (ADC) produced by Analog Devices Inc. This component is part of the AD7997/AD7998 series, which are low-power, successive approximation ADCs with an I2C-compatible serial interface. The AD7998 operates from a single 2.7 V to 5.5 V power supply and features a fast conversion time of 2 µs. It is packaged in a 20-lead TSSOP and is suitable for a wide range of applications requiring multiple analog input channels and low power consumption.
Key Specifications
| Parameter | Value |
|---|---|
| Number of Channels | 8 |
| Resolution | 12-bit |
| Conversion Time | 2 µs (typical) |
| Power Supply | 2.7 V to 5.5 V |
| Interface | I2C-compatible (standard, fast, and high speed modes) |
| Input Range | 0 V to REFIN |
| Throughput Rate | Up to 188 kSPS |
| Temperature Range | −40°C to +85°C |
| Package | 20-lead TSSOP |
| Shutdown Current | 1 µA (maximum) |
Key Features
- 8 single-ended analog input channels with an 8-channel multiplexer and track-and-hold amplifier capable of handling input frequencies up to 11 MHz.
- I2C-compatible serial interface supporting standard, fast, and high speed modes.
- Low power consumption with a shutdown mode current of 1 µA maximum.
- Automatic cycle mode and sequencer operation for efficient data conversion.
- Out-of-range indicator/alert function.
- Pin-selectable addressing via the AS pin.
- External reference input (REFIN) that can be in the range of 1.2 V to VDD.
Applications
The AD7998BRUZ-0REEL is suitable for various applications that require multiple analog input channels and low power consumption. These include:
- Industrial automation and control systems.
- Medical devices and diagnostic equipment.
- Aerospace and defense systems.
- Automotive systems, especially those requiring multiple sensor inputs.
- Consumer electronics, such as smart home devices and IoT applications.
Q & A
- What is the resolution of the AD7998BRUZ-0REEL? The AD7998BRUZ-0REEL has a 12-bit resolution.
- What is the conversion time of the AD7998BRUZ-0REEL? The conversion time is 2 µs (typical).
- What is the power supply range for the AD7998BRUZ-0REEL? The power supply range is 2.7 V to 5.5 V.
- What type of interface does the AD7998BRUZ-0REEL use? The AD7998BRUZ-0REEL uses an I2C-compatible serial interface.
- How many analog input channels does the AD7998BRUZ-0REEL have? The AD7998BRUZ-0REEL has 8 single-ended analog input channels.
- What is the maximum throughput rate of the AD7998BRUZ-0REEL? The maximum throughput rate is up to 188 kSPS.
- What is the temperature range for the AD7998BRUZ-0REEL? The temperature range is −40°C to +85°C.
- What is the package type of the AD7998BRUZ-0REEL? The package type is 20-lead TSSOP.
- Does the AD7998BRUZ-0REEL have a shutdown mode? Yes, the AD7998BRUZ-0REEL has a shutdown mode with a maximum current of 1 µA.
- Can the AD7998BRUZ-0REEL be used in automatic cycle mode? Yes, the AD7998BRUZ-0REEL supports automatic cycle mode and sequencer operation.
