Overview
The AD7876CNZ is a 12-bit analog-to-digital converter (ADC) produced by Analog Devices Inc. This component is part of the AD7870/AD7875/AD7876 family, known for their high performance and versatility in various data acquisition applications. The AD7876CNZ integrates a track-and-hold amplifier, a successive approximation ADC, a 3 V buried Zener reference, and control logic, all on a single chip. This makes it a complete solution for analog-to-digital conversion, suitable for use in a wide range of systems requiring precise and fast data conversion.
Key Specifications
| Parameter | Value |
|---|---|
| Number of Bits | 12 |
| Sampling Rate | 100 kHz |
| Input Type | Single Ended |
| Input Range | ±10 V |
| Data Interface | Parallel and Serial |
| Architecture | Successive Approximation (SAR) |
| Reference Type | Internal 3 V Buried Zener |
| Voltage - Supply, Analog | ±5 V |
| Voltage - Supply, Digital | 5 V |
| Operating Temperature | -40°C to +85°C |
| Package / Case | 24-Lead PDIP (DIP) |
Key Features
- Complete ADC on a Chip: The AD7876CNZ includes all necessary functions for analog-to-digital conversion, including a track-and-hold amplifier, a successive approximation ADC, and an internal 3 V buried Zener reference.
- Fast Microprocessor Interface: With data access times of 57 ns, this ADC is compatible with modern 8-bit and 16-bit microprocessors and digital signal processors.
- Dynamic Specifications: Fully specified and tested for ac parameters such as signal-to-noise ratio, harmonic distortion, and intermodulation distortion, making it suitable for DSP applications.
- Internal Clock and Control Logic: Features a self-contained internal clock and versatile interface logic for easy integration into various systems.
- Low Power Consumption: Typical power consumption of 60 mW, making it energy-efficient for a wide range of applications.
Applications
- Data Acquisition Systems: Ideal for use in data acquisition systems that require high accuracy and fast conversion rates.
- Digital Signal Processing (DSP): Suitable for DSP applications due to its dynamic specifications and fast interface capabilities.
- Industrial Automation: Can be used in industrial automation systems where precise and reliable analog-to-digital conversion is necessary.
- Medical Devices: Applicable in medical devices that require accurate and fast data conversion, such as in diagnostic equipment.
- Aerospace and Defense: Used in aerospace and defense applications where high reliability and performance are critical.
Q & A
- What is the resolution of the AD7876CNZ ADC?
The AD7876CNZ is a 12-bit analog-to-digital converter.
- What is the input range of the AD7876CNZ?
The input range of the AD7876CNZ is ±10 V.
- What type of architecture does the AD7876CNZ use?
The AD7876CNZ uses a successive approximation (SAR) architecture.
- What is the typical power consumption of the AD7876CNZ?
The typical power consumption is 60 mW.
- What is the operating temperature range of the AD7876CNZ?
The operating temperature range is -40°C to +85°C.
- What type of package is the AD7876CNZ available in?
The AD7876CNZ is available in a 24-Lead PDIP (DIP) package.
- Does the AD7876CNZ have an internal clock?
Yes, the AD7876CNZ features a self-contained internal clock.
- What is the data access time of the AD7876CNZ?
The data access time is 57 ns.
- Is the AD7876CNZ suitable for DSP applications?
Yes, it is fully specified and tested for ac parameters, making it suitable for DSP applications.
- What type of reference does the AD7876CNZ use?
The AD7876CNZ uses an internal 3 V buried Zener reference.
