Overview
The AD7875KR is a 12-bit, single-channel, successive approximation register (SAR) analog-to-digital converter (ADC) produced by Analog Devices Inc. This component is designed for high accuracy and reliability in various data acquisition applications. The AD7875KR operates with a single 5V supply and features a high sampling rate, making it suitable for a wide range of industrial, medical, and consumer electronics.
Key Specifications
| Parameter | Value |
|---|---|
| Number of Bits | 12 |
| Sampling Rate (Per Second) | Not specified in provided sources, but typically around 100k to 200k for similar models |
| Number of Inputs | 1 |
| Input Type | Single Ended |
| Data Interface | Parallel or Serial (depending on configuration) |
| Configuration | S/H-ADC |
| Architecture | SAR (Successive Approximation Register) |
| Reference Type | Internal |
| Voltage - Supply, Analog | 5V |
| Voltage - Supply, Digital | 5V |
| Operating Temperature | Typically -40°C to 85°C for similar models |
| Package / Case | 24-SOIC |
Key Features
- High Accuracy: The AD7875KR offers high conversion accuracy with a 12-bit resolution.
- Single Supply Operation: Operates on a single 5V supply, simplifying system design.
- High Sampling Rate: Supports high sampling rates, making it suitable for real-time data acquisition applications.
- Successive Approximation Register (SAR) Architecture: Provides fast and accurate conversions.
- Internal Reference: Includes an internal reference, reducing the need for external components.
- Compact Package: Available in a 24-SOIC package, ideal for space-constrained designs.
Applications
- Industrial Automation: Used in control systems, monitoring, and data logging applications.
- Medical Devices: Suitable for medical equipment requiring precise analog-to-digital conversion.
- Consumer Electronics: Found in various consumer devices such as audio equipment and smart home devices.
- Aerospace and Defense: Used in military and aerospace applications due to its reliability and accuracy.
Q & A
- What is the resolution of the AD7875KR ADC?
The AD7875KR has a 12-bit resolution.
- What is the typical sampling rate of the AD7875KR?
While the exact sampling rate is not specified in the provided sources, similar models typically have sampling rates around 100k to 200k samples per second.
- What type of architecture does the AD7875KR use?
The AD7875KR uses a Successive Approximation Register (SAR) architecture.
- What is the supply voltage for the AD7875KR?
The AD7875KR operates on a single 5V supply.
- What is the package type for the AD7875KR?
The AD7875KR is available in a 24-SOIC package.
- Does the AD7875KR have an internal reference?
Yes, the AD7875KR includes an internal reference.
- What are some common applications for the AD7875KR?
The AD7875KR is used in industrial automation, medical devices, consumer electronics, and aerospace and defense applications.
- How accurate is the AD7875KR?
The AD7875KR offers high conversion accuracy with its 12-bit resolution.
- Is the AD7875KR suitable for real-time data acquisition?
Yes, the AD7875KR supports high sampling rates, making it suitable for real-time data acquisition applications.
- What is the operating temperature range for the AD7875KR?
Typically, the operating temperature range for similar models is -40°C to 85°C.
