Overview
The AD7997BRUZ-1REEL is an 8-channel, 10-bit analog-to-digital converter (ADC) produced by Analog Devices Inc. This device is part of the AD7997 series and is designed for low-power, high-performance applications. It features an I2C-compatible serial interface and operates from a single 2.7 V to 5.5 V power supply. The AD7997 is suitable for a wide range of applications, including industrial automation, instrumentation, and communication systems.
Key Specifications
| Parameter | Value |
|---|---|
| Bits | 10 |
| Number of Channels | 8 |
| Data Output Interface | Serial I2C |
| Device Architecture | SAR (Successive Approximation Register) |
| Input Type | Single-Ended |
| Operating Temperature Range | -40°C to 85°C |
| Power Consumption (typical) | 7.7 mW |
| Sample Rate (maximum) | 79 kSPS |
| Vin Range (typical) | 0 V to Vref |
| Vref Source | External |
| Package | 20-lead TSSOP |
| RoHS Compliance | Compliant |
Key Features
- I2C-Compatible Interface: Supports standard, fast, and high-speed modes, allowing for flexible communication with the host system.
- Low Power Consumption: The device operates with a typical power consumption of 7.7 mW and enters a shutdown mode with a current consumption of 1 µA max at 3V.
- Fast Conversion Time: Achieves a conversion time of 2 µs, making it suitable for high-speed applications.
- Out-of-Range Indicator/Alert Function: Features an out-of-range indicator output (ALERT) that becomes active when the programmed high or low limits are violated by the conversion result.
- Pin-Selectable Addressing: Allows multiple devices to be connected to the same serial bus by selecting different I2C addresses via the AS pin).
Applications
- Industrial Automation: Suitable for monitoring and controlling industrial processes due to its high accuracy and low power consumption).
- Instrumentation and Measurement: Used in various measurement instruments requiring multiple analog input channels and high-speed conversion).
- Communication Systems: Employed in communication systems that require fast and accurate analog-to-digital conversion).
- Aerospace and Defense: Applicable in aerospace and defense systems where reliability and precision are critical).
- Healthcare: Used in medical devices that require accurate and fast data acquisition).
Q & A
- What is the resolution of the AD7997BRUZ-1REEL ADC?
The AD7997BRUZ-1REEL has a resolution of 10 bits.
- How many analog input channels does the AD7997BRUZ-1REEL have?
The device has 8 analog input channels.
- What is the typical power consumption of the AD7997BRUZ-1REEL?
The typical power consumption is 7.7 mW.
- What is the maximum sample rate of the AD7997BRUZ-1REEL?
The maximum sample rate is 79 kSPS.
- What type of interface does the AD7997BRUZ-1REEL use for data output?
The device uses an I2C-compatible serial interface.
- What is the operating temperature range of the AD7997BRUZ-1REEL?
The operating temperature range is -40°C to 85°C.
- Does the AD7997BRUZ-1REEL support multiple I2C addresses?
Yes, it supports multiple I2C addresses via pin-selectable addressing.
- What is the purpose of the ALERT output in the AD7997BRUZ-1REEL?
The ALERT output becomes active when the programmed high or low limits are violated by the conversion result, serving as an out-of-range indicator.
- What is the package type of the AD7997BRUZ-1REEL?
The device is packaged in a 20-lead TSSOP.
- Is the AD7997BRUZ-1REEL RoHS compliant?
Yes, the AD7997BRUZ-1REEL is RoHS compliant.
