Overview
The AD7994BRU-0 is a 12-bit, 4-channel analog-to-digital converter (ADC) produced by Analog Devices Inc. This component is designed for high-performance data acquisition applications, offering fast conversion times and low power consumption. The AD7994BRU-0 features an I2C-compatible serial interface, making it versatile for various system integrations.
Key Specifications
| Parameter | Specification |
|---|---|
| Resolution | 12 bits |
| Number of Channels | 4 single-ended analog input channels |
| Conversion Time | 2 µs typical |
| Throughput Rate | 188 kSPS |
| Supply Voltage (VDD) | 2.7 V to 5.5 V |
| Temperature Range | −40°C to +125°C |
| Interface | I2C-compatible (standard, fast, and high speed modes) |
| Package Type | 16-Lead TSSOP |
| Power Consumption in Shutdown Mode | 1 µA maximum |
| Reference Voltage Range | 1.2 V to VDD |
Key Features
- Fast conversion time of 2 µs typical, ensuring high throughput rates.
- Low power consumption with automatic shutdown while not converting, maximizing power efficiency.
- I2C-compatible serial interface with pin-selectable addresses, allowing up to five devices on the same serial bus.
- On-chip limit registers for high and low limits, with an out-of-range indicator output (ALERT) that can be software disabled or enabled.
- Reference voltage can be driven up to the power supply voltage.
Applications
The AD7994BRU-0 is suitable for a variety of applications requiring high-speed and low-power data acquisition, such as:
- Industrial automation and control systems.
- Medical devices and diagnostic equipment.
- Aerospace and defense systems.
- Automotive systems, including sensor monitoring and control.
- Consumer electronics, such as smart home devices and IoT applications.
Q & A
- What is the resolution of the AD7994BRU-0 ADC?
The AD7994BRU-0 has a resolution of 12 bits.
- How many analog input channels does the AD7994BRU-0 have?
The AD7994BRU-0 has 4 single-ended analog input channels.
- What is the typical conversion time of the AD7994BRU-0?
The typical conversion time is 2 µs.
- What is the supply voltage range for the AD7994BRU-0?
The supply voltage range is from 2.7 V to 5.5 V.
- What interface does the AD7994BRU-0 use?
The AD7994BRU-0 uses an I2C-compatible serial interface.
- How many devices can be connected to the same serial bus?
Up to five AD7994BRU-0 devices can be connected to the same serial bus.
- What is the power consumption in shutdown mode?
The power consumption in shutdown mode is 1 µA maximum.
- What is the temperature range of the AD7994BRU-0?
The temperature range is from −40°C to +125°C.
- Can the reference voltage be driven up to the power supply voltage?
- Does the AD7994BRU-0 have an out-of-range indicator output?
