Overview
The AD7993BRU-1REEL, manufactured by Analog Devices Inc., is a 4-channel, 10-bit successive approximation analog-to-digital converter (ADC) with an I2C-compatible serial interface. This component is designed for low power consumption and high performance, making it suitable for a variety of data acquisition applications. The AD7993 operates from a single 2.7 V to 5.5 V power supply and features a 2 µs conversion time, along with a 4-channel multiplexer and track-and-hold amplifier capable of handling input frequencies up to 11 MHz.
Key Specifications
| Parameter | Value | Unit | Test Conditions/Comments |
|---|---|---|---|
| Number of Channels | 4 | - | - |
| Resolution | 10-bit | - | - |
| Conversion Time | 2 µs | - | - |
| Power Supply Range | 2.7 V to 5.5 V | V | - |
| Interface | I2C-compatible serial interface | - | Supports standard, fast, and high speed modes |
| Package Type | 16-lead TSSOP | - | - |
| Operating Temperature Range | -40°C to +125°C | °C | - |
| Shutdown Current | 1 µA max | A | In shutdown mode |
| Input Frequency Capability | Up to 11 MHz | Hz | - |
Key Features
- Low Power Consumption: The AD7993 features low power consumption with a maximum shutdown current of 1 µA.
- I2C-Compatible Serial Interface: Supports standard, fast, and high speed I2C modes with pin-selectable addresses, allowing multiple devices to be connected to the same serial bus.
- Automatic Shutdown: The ADC automatically shuts down when not converting to maximize power efficiency.
- Out-of-Range Indicator: An out-of-range indicator/alert function that can be software disabled or enabled, providing an interrupt when programmed high or low limits are violated.
- Reference Drive Capability: The reference can be driven up to the power supply voltage.
Applications
The AD7993BRU-1REEL is suitable for various data acquisition applications, including:
- Industrial automation and control systems.
- Medical devices requiring precise analog-to-digital conversion.
- Automotive systems where low power consumption and high accuracy are crucial.
- Consumer electronics that require multi-channel ADC capabilities.
- Embedded systems where space and power efficiency are important.
Q & A
- What is the resolution of the AD7993BRU-1REEL ADC?
The AD7993BRU-1REEL has a 10-bit resolution.
- What is the conversion time of the AD7993BRU-1REEL?
The conversion time is 2 µs.
- What type of serial interface does the AD7993BRU-1REEL support?
The AD7993BRU-1REEL supports an I2C-compatible serial interface.
- What is the operating temperature range of the AD7993BRU-1REEL?
The operating temperature range is -40°C to +125°C.
- How many channels does the AD7993BRU-1REEL have?
The AD7993BRU-1REEL has 4 channels.
- What is the maximum shutdown current of the AD7993BRU-1REEL?
The maximum shutdown current is 1 µA.
- Can multiple AD7993BRU-1REEL devices be connected to the same serial bus?
Yes, multiple devices can be connected to the same serial bus due to pin-selectable addresses.
- What is the input frequency capability of the AD7993BRU-1REEL's track-and-hold amplifier?
The track-and-hold amplifier can handle input frequencies up to 11 MHz.
- Does the AD7993BRU-1REEL have an out-of-range indicator function?
Yes, it has an out-of-range indicator/alert function that can be software disabled or enabled.
- What is the package type of the AD7993BRU-1REEL?
The package type is 16-lead TSSOP.
