Overview
The AD7820KPZ is a high-speed, 8-bit analog-to-digital converter (ADC) produced by Analog Devices Inc. This component utilizes a half-flash conversion technique, enabling a conversion time of 1.36 µs. It is designed for microprocessor compatibility and features a single +5 V supply, making it suitable for a variety of applications requiring fast and accurate analog-to-digital conversion.
Key Specifications
| Specification | Value |
|---|---|
| Number of Bits | 8 |
| Converter Type | ADC, FLASH METHOD |
| Analog Input Voltage Range | 0 V to +5 V |
| Conversion Time | 1.36 µs |
| Supply Voltage | 5 V |
| Supply Current | 15 mA |
| Operating Temperature Range | -40 °C to 85 °C |
| Package Type | 20-Lead PLCC (J-Lead) |
| Pin Count | 20 |
| Output Format | Parallel, 8 Bits |
| Sample and Hold / Track and Hold | Track |
Key Features
- High-speed conversion using half-flash technique with 31 comparators.
- Microprocessor-compatible with latched, three-state output buffer circuitry.
- No external sample-and-hold circuitry required for signals with slew rates less than 100 mV/µs.
- Single +5 V supply voltage.
- CMOS technology for low power consumption.
- Non-three state overflow output for cascading devices to achieve higher resolution.
Applications
The AD7820KPZ is suitable for various applications that require high-speed analog-to-digital conversion, such as:
- Data acquisition systems.
- Industrial control systems.
- Medical devices.
- Aerospace and defense systems.
- Automotive systems.
Q & A
- What is the conversion time of the AD7820KPZ?
The conversion time of the AD7820KPZ is 1.36 µs. - What is the analog input voltage range of the AD7820KPZ?
The analog input voltage range is 0 V to +5 V. - What is the supply voltage of the AD7820KPZ?
The supply voltage is +5 V. - Is the AD7820KPZ microprocessor-compatible?
Yes, the AD7820KPZ is designed for microprocessor compatibility. - What is the package type of the AD7820KPZ?
The package type is 20-Lead PLCC (J-Lead). - Does the AD7820KPZ require an external sample-and-hold circuit?
No, it does not require an external sample-and-hold circuit for signals with slew rates less than 100 mV/µs. - What is the operating temperature range of the AD7820KPZ?
The operating temperature range is -40 °C to 85 °C. - What is the output format of the AD7820KPZ?
The output format is parallel, 8 bits. - Can the AD7820KPZ be cascaded for higher resolution?
Yes, it has a non-three state overflow output for cascading devices to achieve higher resolution. - What technology is used in the AD7820KPZ?
The AD7820KPZ uses CMOS technology.
