Overview
The AD7875LP is a complete, 12-bit analog-to-digital converter (ADC) produced by Analog Devices Inc. This device integrates all the 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. The AD7875LP is designed to be highly versatile and compatible with modern microprocessors and digital signal processors (DSPs), making it suitable for a wide range of applications.
Key Specifications
| Parameter | Value |
|---|---|
| Number of Bits | 12 |
| Input Voltage Range | 0 V to +5 V |
| Input Resistance | Typically 25 kΩ |
| Sampling Rate | Up to 100 kHz |
| Data Access Time | 57 ns |
| Power Consumption | Typically 60 mW |
| Operating Temperature | 0°C to +70°C |
| Package Type | 28-Lead PLCC |
| Reference Type | Internal 3 V buried Zener reference |
| Architecture | Successive Approximation (SAR) |
Key Features
- Complete 12-bit ADC on a single chip, including track-and-hold amplifier, ADC, and internal reference.
- Fast microprocessor interface with data access times of 57 ns, compatible with 8-bit and 16-bit microprocessors and DSPs.
- Low power consumption of typically 60 mW.
- Dynamic specifications fully tested for ac parameters such as signal-to-noise ratio, harmonic distortion, and intermodulation distortion.
- Versatile interface logic supporting both parallel and serial interfaces.
Applications
The AD7875LP is suitable for various applications requiring high-speed and accurate analog-to-digital conversion. These include:
- Digital signal processing systems.
- Industrial control systems.
- Medical devices.
- Aerospace and defense systems.
- Automotive systems.
Q & A
- What is the resolution of the AD7875LP?
The AD7875LP has a resolution of 12 bits. - What is the input voltage range of the AD7875LP?
The input voltage range is 0 V to +5 V. - What is the typical power consumption of the AD7875LP?
The typical power consumption is 60 mW. - What is the data access time of the AD7875LP?
The data access time is 57 ns. - What type of package is the AD7875LP available in?
The AD7875LP is available in a 28-Lead PLCC package. - Does the AD7875LP have an internal reference?
Yes, it has an internal 3 V buried Zener reference. - What is the operating temperature range of the AD7875LP?
The operating temperature range is 0°C to +70°C. - What type of architecture does the AD7875LP use?
The AD7875LP uses a Successive Approximation (SAR) architecture. - Is the AD7875LP compatible with modern microprocessors and DSPs?
Yes, it is compatible with modern 8-bit and 16-bit microprocessors and DSPs. - What are some common applications of the AD7875LP?
Common applications include digital signal processing systems, industrial control systems, medical devices, aerospace and defense systems, and automotive systems.
