Overview
The AD7876BR, produced by Analog Devices Inc., is a fast, complete 12-bit analog-to-digital converter (ADC) designed for high-performance applications. This ADC integrates a track-and-hold amplifier, an 8 μs successive approximation ADC, a 3 V buried Zener reference, and versatile interface logic on a single chip. It is particularly suited for use with modern 8-bit and 16-bit microprocessors and digital signal processors due to its fast data access times and robust digital timing parameters.
Key Specifications
| Specification | Value |
|---|---|
| Resolution | 12 bits |
| Input Range | ±10 V |
| Conversion Time | 8 μs |
| Data Access Time | 57 ns |
| Reference Voltage | 3 V ± 10 mV |
| Operating Temperature | −40°C to +85°C |
| Package Type | 24-Lead SOIC_W |
| Power Consumption | −60 mW typical |
Key Features
- Complete 12-bit ADC on a single chip, including track-and-hold amplifier, successive approximation ADC, and internal clock.
- Internal 3 V buried Zener reference, factory trimmed to ±10 mV.
- Fast microprocessor interface with data access times of 57 ns.
- Dynamically specified for ac parameters such as signal-to-noise ratio, harmonic distortion, and intermodulation distortion.
- Reference output capable of providing up to 500 μA to an external load.
Applications
The AD7876BR is suitable for a variety of high-performance applications, including:
- Digital signal processing systems.
- Industrial control systems.
- Medical devices requiring precise analog-to-digital conversion.
- Aerospace and defense systems where robust and reliable ADCs are necessary.
- Automotive systems that require high-speed and accurate data conversion.
Q & A
- What is the resolution of the AD7876BR ADC?
The AD7876BR has a resolution of 12 bits. - What is the input voltage range for the AD7876BR?
The input voltage range for the AD7876BR is ±10 V. - How long does the AD7876BR take to convert an analog signal to digital?
The conversion time for the AD7876BR is 8 μs. - What is the data access time for the AD7876BR?
The data access time for the AD7876BR is 57 ns. - What is the reference voltage of the AD7876BR?
The reference voltage of the AD7876BR is 3 V ± 10 mV. - What is the operating temperature range for the AD7876BR?
The operating temperature range for the AD7876BR is −40°C to +85°C. - In what package type is the AD7876BR available?
The AD7876BR is available in a 24-Lead SOIC_W package. - How much power does the AD7876BR typically consume?
The AD7876BR typically consumes −60 mW of power. - Is the AD7876BR suitable for use with microprocessors and digital signal processors?
Yes, the AD7876BR is designed to be compatible with modern 8-bit and 16-bit microprocessors and digital signal processors. - What kind of reference does the AD7876BR have?
The AD7876BR has an internal 3 V buried Zener reference.
