Overview
The AD7875LPZ, produced by Analog Devices Inc., is a complete, 12-bit analog-to-digital converter (ADC) that integrates all necessary functions for analog-to-digital conversion on a single chip. This device includes 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 high performance and low power consumption, making it suitable for a variety of applications in data acquisition and digital signal processing.
Key Specifications
| Parameter | Value |
|---|---|
| Number of Bits | 12 |
| Sampling Rate | 100 kHz |
| Input Range | 0 V to +5 V |
| Input Resistance | Typically 25 kΩ |
| Reference Type | Internal 3 V buried Zener reference |
| Supply Voltage (Analog) | ±5 V |
| Supply Voltage (Digital) | 5 V |
| Operating Temperature | 0°C to +70°C |
| Package/Case | 28-Lead PLCC |
| Data Access Time | 57 ns |
| Power Consumption | Typically -60 mW |
Key Features
- Complete 12-bit ADC on a single chip, including track-and-hold amplifier, successive approximation ADC, and internal reference.
- Fast microprocessor interface with data access times of 57 ns, compatible with modern 8-bit and 16-bit microprocessors and digital signal processors.
- Low power consumption, typically -60 mW.
- Detailed dynamic specifications for DSP users, including signal-to-noise ratio, harmonic distortion, and intermodulation distortion.
- Internal clock and versatile interface logic.
Applications
- Data acquisition systems.
- Digital signal processing (DSP) applications.
- Industrial control systems.
- Medical devices requiring precise analog-to-digital conversion.
- Aerospace and defense systems where high accuracy and reliability are crucial.
Q & A
- What is the input range of the AD7875LPZ?
The input range of the AD7875LPZ is 0 V to +5 V.
- What is the sampling rate of the AD7875LPZ?
The sampling rate of the AD7875LPZ is 100 kHz.
- What type of reference does the AD7875LPZ use?
The AD7875LPZ uses an internal 3 V buried Zener reference.
- What is the typical power consumption of the AD7875LPZ?
The typical power consumption of the AD7875LPZ is -60 mW.
- What is the data access time of the AD7875LPZ?
The data access time of the AD7875LPZ is 57 ns.
- What type of package is the AD7875LPZ available in?
The AD7875LPZ is available in a 28-Lead PLCC package.
- Is the AD7875LPZ RoHS compliant?
Yes, the AD7875LPZ is RoHS compliant.
- What are the operating temperature ranges for the AD7875LPZ?
The operating temperature range for the AD7875LPZ is 0°C to +70°C.
- What are some typical applications of the AD7875LPZ?
The AD7875LPZ is typically used in data acquisition systems, DSP applications, industrial control systems, medical devices, and aerospace and defense systems.
- Does the AD7875LPZ have an internal clock?
Yes, the AD7875LPZ has a self-contained internal clock.
