Overview
The AD7820LN is an 8-bit, high-speed analog-to-digital converter (ADC) produced by Analog Devices Inc. This component is designed with a track and hold function, making it suitable for applications requiring fast and accurate analog-to-digital conversion. The AD7820LN operates on a 5V supply voltage and is packaged in a 20-DIP (0.300, 7.62mm) package, making it compact and versatile for various electronic systems.
Key Specifications
| Parameter | Value |
|---|---|
| Manufacturer | Analog Devices Inc. |
| Part Number | AD7820LN |
| Package | 20-DIP (0.300, 7.62mm) |
| Number of Bits | 8 |
| Sampling Rate | 500 ksps |
| Polarity | Unipolar |
| Minimum Supply Voltage | 4.75 V |
| Supply Voltage | 5 V |
| Maximum Supply Voltage | 5.25 V |
| Analog Input Voltage Min | -0.3 V |
| Length | 25.2 mm |
| Height | 3.3 mm |
| Width | 6.35 mm |
Key Features
- High-Speed Conversion: The AD7820LN offers a high sampling rate of 500 ksps, making it suitable for applications requiring fast data acquisition.
- Track and Hold Function: This feature allows the ADC to capture and hold the analog input signal, ensuring accurate conversion even in dynamic environments.
- Compact Packaging: The 20-DIP package is compact and easy to integrate into various electronic systems.
- Unipolar Operation: The ADC operates in unipolar mode, which is ideal for applications where only positive voltage signals need to be converted.
- Low Power Consumption: Operating on a 5V supply voltage, the AD7820LN is energy-efficient and suitable for battery-powered devices.
Applications
- Data Acquisition Systems: The high-speed conversion and track and hold function make the AD7820LN ideal for data acquisition systems in industrial, medical, and scientific applications.
- Embedded Systems: Its compact packaging and low power consumption make it suitable for embedded systems where space and power are limited.
- Automotive Systems: The AD7820LN can be used in automotive systems for sensor data conversion, given its robustness and reliability.
- Medical Devices: The accuracy and speed of the AD7820LN make it a good choice for medical devices that require precise analog-to-digital conversion.
Q & A
- What is the sampling rate of the AD7820LN?
The AD7820LN has a sampling rate of 500 ksps.
- What is the package type of the AD7820LN?
The AD7820LN is packaged in a 20-DIP (0.300, 7.62mm) package.
- What is the minimum supply voltage for the AD7820LN?
The minimum supply voltage for the AD7820LN is 4.75 V.
- Is the AD7820LN still in production?
No, the AD7820LN is obsolete and no longer manufactured by Analog Devices Inc.
- What is the maximum analog input voltage for the AD7820LN?
The maximum analog input voltage is not explicitly stated, but the minimum is -0.3 V, indicating that the component is designed to handle positive voltage inputs within the specified supply voltage range.
- What are some common applications of the AD7820LN?
Common applications include data acquisition systems, embedded systems, automotive systems, and medical devices.
- Does the AD7820LN have a track and hold function?
- What is the polarity of the AD7820LN?
The AD7820LN operates in unipolar mode.
- What are the dimensions of the AD7820LN package?
The package dimensions are 25.2 mm in length, 3.3 mm in height, and 6.35 mm in width.
- Are there any substitutes available for the AD7820LN?
Yes, there are available substitutes for the AD7820LN, which can be found through distributors like Digi-Key and Mouser Electronics.
