Overview
The AD7997BRU-0REEL is a high-performance, 10-bit analog-to-digital converter (ADC) produced by Analog Devices Inc. This component is part of the AD7997 series and is designed for applications requiring multiple analog input channels with high accuracy and low power consumption. The AD7997BRU-0REEL operates from a single 2.7 V to 5.5 V power supply and features an I2C-compatible serial interface, making it versatile for various embedded systems and industrial automation applications.
Key Specifications
| Parameter | Value | Unit | Comments |
|---|---|---|---|
| Number of Channels | 8 | Single-ended analog input channels | |
| Resolution | 10-bit | ||
| Data Output Interface | Serial I2C | Supports standard, fast, and high speed modes | |
| Device Architecture | SAR (Successive Approximation Register) | ||
| Input Type | Single-Ended | ||
| Operating Temperature Range | -40°C to 85°C | °C | |
| Power Consumption (typical) | 7.7 mW | W | |
| Sample Rate (maximum) | 79 kSPS | SPS | |
| Vin Range (typical) | 0 V to Vref | V | |
| Conversion Time | 2 µs (typical) | µs | |
| Package | 20-lead TSSOP | ||
| RoHS Compliance | Not Compliant |
Key Features
- Fast Conversion Time: The AD7997BRU-0REEL has a conversion time of 2 µs, making it suitable for high-speed applications.
- I2C-Compatible Interface: Supports standard, fast, and high speed I2C modes, allowing for flexible communication with microcontrollers.
- Low Power Consumption: The device consumes only 7.7 mW of power, making it energy-efficient.
- Automatic Shutdown: The ADC enters a shutdown mode when not converting, reducing power consumption to 1 µA maximum at 3V.
- Out-of-Range Indicator/Alert Function: An open-drain output becomes active when the conversion result exceeds programmed high or low limits.
- Pin-Selectable Addressing: Allows multiple devices to be connected to the same serial bus with different addresses.
- Reference Source: The reference voltage can be driven up to the power supply voltage.
Applications
- Industrial Automation: Suitable for monitoring and controlling various analog signals in industrial environments.
- Embedded Systems: Ideal for use in microcontroller-based systems requiring multiple analog inputs.
- Medical Devices: Can be used in medical equipment for precise measurement of analog signals.
- Aerospace and Defense: Applicable in systems requiring high reliability and precision in analog-to-digital conversion.
- Automotive Systems: Useful in automotive applications for sensor data acquisition and processing.
Q & A
- What is the resolution of the AD7997BRU-0REEL ADC?
The AD7997BRU-0REEL has a resolution of 10 bits.
- What is the operating temperature range of the AD7997BRU-0REEL?
The operating temperature range is -40°C to 85°C.
- What type of interface does the AD7997BRU-0REEL use for data output?
The device uses an I2C-compatible serial interface.
- How many analog input channels does the AD7997BRU-0REEL have?
The device has 8 single-ended analog input channels.
- What is the typical conversion time of the AD7997BRU-0REEL?
The typical conversion time is 2 µs.
- What is the power consumption of the AD7997BRU-0REEL in typical operating conditions?
The typical power consumption is 7.7 mW.
- Does the AD7997BRU-0REEL support multiple I2C addresses?
Yes, the device supports pin-selectable addressing, allowing multiple devices to be connected to the same serial bus.
- What is the maximum sample rate of the AD7997BRU-0REEL?
The maximum sample rate is 79 kSPS.
- Is the AD7997BRU-0REEL RoHS compliant?
No, the AD7997BRU-0REEL is not RoHS compliant.
- What is the package type of the AD7997BRU-0REEL?
The device is packaged in a 20-lead TSSOP.
