Overview
The AD7875KPZ is a 12-bit analog-to-digital converter (ADC) produced by Analog Devices Inc. This component is part of the AD7870/AD7875/AD7876 family, which are complete, fast, and versatile ADCs. The AD7875KPZ features a track-and-hold amplifier, an 8 μs successive approximation ADC, a 3 V buried Zener reference, and versatile interface logic. It is designed to provide all the necessary functions for analog-to-digital conversion on a single chip, making it highly integrated and efficient.
Key Specifications
| Parameter | Value | Unit |
|---|---|---|
| Resolution | 12-bit | |
| Input Range | 0 V to +5 V | |
| Conversion Time | 8 μs | |
| Data Access Time | 57 ns | |
| Reference Voltage | 3 V ± 10 mV | |
| Power Consumption | −60 mW typical | |
| Operating Temperature | 0°C to +70°C | |
| Package Type | 28-Lead PLCC |
Key Features
- Complete ADC on a Chip: Includes a track-and-hold amplifier, an 8 μs successive approximation ADC, a 3 V buried Zener reference, and versatile interface logic.
- Fast Microprocessor Interface: Data access times of 57 ns, compatible with modern 8-bit and 16-bit microprocessors and digital signal processors.
- Dynamic Specifications: Fully specified and tested for ac parameters, including signal-to-noise ratio, harmonic distortion, and intermodulation distortion.
- Internal Clock and Reference: Self-contained internal clock and a temperature-compensated 3 V buried Zener reference.
- Low Power Consumption: Typical power consumption of −60 mW.
Applications
- Data Acquisition Systems: Suitable for various data acquisition applications requiring high-speed and accurate analog-to-digital conversion.
- Digital Signal Processing (DSP): Ideal for DSP applications due to its dynamic specifications and fast conversion times.
- Industrial Control Systems: Used in industrial control systems where precise and rapid analog-to-digital conversion is necessary.
- Medical Devices: Can be used in medical devices that require high accuracy and reliability in analog-to-digital conversion.
Q & A
- What is the resolution of the AD7875KPZ ADC?
The AD7875KPZ has a 12-bit resolution.
- What is the input voltage range for the AD7875KPZ?
The input voltage range for the AD7875KPZ is 0 V to +5 V.
- How long does the AD7875KPZ take to convert an analog signal to digital?
The conversion time for the AD7875KPZ is 8 μs.
- What is the data access time for the AD7875KPZ?
The data access time for the AD7875KPZ is 57 ns.
- What type of reference voltage does the AD7875KPZ use?
The AD7875KPZ uses a 3 V buried Zener reference voltage.
- What is the typical power consumption of the AD7875KPZ?
The typical power consumption of the AD7875KPZ is −60 mW.
- What is the operating temperature range for the AD7875KPZ?
The operating temperature range for the AD7875KPZ is 0°C to +70°C.
- In what package type is the AD7875KPZ available?
The AD7875KPZ is available in a 28-Lead PLCC package.
- Is the AD7875KPZ suitable for use with modern microprocessors and DSPs?
Yes, the AD7875KPZ is compatible with modern 8-bit and 16-bit microprocessors and digital signal processors due to its fast data access time.
- What are some common applications of the AD7875KPZ?
The AD7875KPZ is commonly used in data acquisition systems, DSP applications, industrial control systems, and medical devices.
