Overview
The AD7894BRZ-3 is a high-performance, 14-bit analog-to-digital converter (ADC) manufactured by Analog Devices Inc. This component operates from a single +5 V supply and is housed in a compact 8-pin SOIC package. It features a successive approximation ADC, an on-chip track/hold amplifier, and an on-chip clock, along with a high-speed serial interface for data output. The AD7894BRZ-3 is designed for applications requiring high accuracy and dynamic performance, including parameters such as harmonic distortion and signal-to-noise ratio.
Key Specifications
| Parameter | Value |
|---|---|
| Resolution | 14 bits |
| Supply Voltage | +5 V |
| Analog Input Range | ±2.5 V (AD7894-3) |
| Conversion Time | 4.5 µs |
| Power Consumption | 20 mW typical |
| Package Type | 8-pin SOIC |
| Interface | High-speed serial interface (2-wire) |
| Operating Temperature | -40°C to +85°C |
Key Features
- True bipolar input capability with multiple input range options (±10 V, ±2.5 V, 0 V to 2.5 V).
- Automatic power down mode for low power applications, reducing power consumption when not in use.
- High sampling rate mode for fast data acquisition.
- On-chip track/hold amplifier and on-chip clock for simplified system design.
- High-speed serial interface for efficient data transfer.
Applications
The AD7894BRZ-3 is suitable for a variety of applications that require high precision and fast conversion rates, including:
- Industrial control systems
- Medical devices
- Aerospace and defense systems
- Automotive systems
- Data acquisition systems
Q & A
- What is the resolution of the AD7894BRZ-3?
The AD7894BRZ-3 has a resolution of 14 bits. - What is the supply voltage for the AD7894BRZ-3?
The AD7894BRZ-3 operates from a single +5 V supply. - What is the conversion time of the AD7894BRZ-3?
The conversion time is 4.5 µs. - What is the power consumption of the AD7894BRZ-3?
The typical power consumption is 20 mW. - What is the package type of the AD7894BRZ-3?
The AD7894BRZ-3 is housed in an 8-pin SOIC package. - Does the AD7894BRZ-3 have an automatic power down feature?
Yes, it features an automatic power down mode for low power applications. - What is the interface type of the AD7894BRZ-3?
The AD7894BRZ-3 uses a high-speed serial interface (2-wire). - What are the operating temperature ranges for the AD7894BRZ-3?
The operating temperature range is -40°C to +85°C. - What are some common applications for the AD7894BRZ-3?
Common applications include industrial control systems, medical devices, aerospace and defense systems, automotive systems, and data acquisition systems. - Is the AD7894BRZ-3 available in different input range options?
Yes, it is available in multiple input range options: ±10 V, ±2.5 V, and 0 V to 2.5 V.
