Overview
The AD7820KRZ-REEL is an 8-bit analog-to-digital converter (ADC) produced by Analog Devices Inc. This high-speed ADC 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. The AD7820KRZ-REEL is packaged in a 20-lead SOIC (Wide) and is RoHS compliant, ensuring environmental sustainability and regulatory compliance.
Key Specifications
| Specification | Value |
|---|---|
| Manufacturer | Analog Devices Inc. |
| Part Number | AD7820KRZ-REEL |
| Number of Bits | 8 |
| Number of Inputs | 1 |
| Input Type | Single Ended |
| Data Interface | Parallel |
| Configuration | S/H-ADC |
| Architecture | Flash |
| Reference Type | External |
| Voltage - Supply, Analog | 5V |
| Voltage - Supply, Digital | 5V |
| Operating Temperature | -40°C ~ 85°C |
| Package / Case | 20-SOIC (0.295", 7.50mm Width) |
| Lead Free Status / RoHS Status | Lead free / RoHS Compliant |
Key Features
- High-speed conversion time of 1.36 µs using half-flash conversion technique.
- Microprocessor-compatible design with latched, three-state output buffer circuitry.
- Single +5 V supply for both analog and digital operations.
- Input sampling circuitry eliminates the need for an external sample-and-hold for signals with slew rates less than 100 mV/µs.
- Non-three state overflow output for cascading devices to achieve higher resolution.
- Rohs compliant and lead-free, ensuring environmental sustainability.
Applications
The AD7820KRZ-REEL is suitable for various applications requiring fast and accurate analog-to-digital conversion, such as:
- Industrial control systems.
- Medical devices.
- Aerospace and defense systems.
- Automotive systems.
- Data acquisition systems.
Q & A
- What is the conversion time of the AD7820KRZ-REEL?
The AD7820KRZ-REEL has a conversion time of 1.36 µs. - What is the input voltage range of the AD7820KRZ-REEL?
The input voltage range is 0 V to +5 V. - Does the AD7820KRZ-REEL require an external sample-and-hold circuit?
No, it does not require an external sample-and-hold for signals with slew rates less than 100 mV/µs. - What is the package type of the AD7820KRZ-REEL?
The package type is 20-lead SOIC (Wide). - Is the AD7820KRZ-REEL RoHS compliant?
Yes, it is RoHS compliant and lead-free. - What is the operating temperature range of the AD7820KRZ-REEL?
The operating temperature range is -40°C to 85°C. - Can the AD7820KRZ-REEL be cascaded for higher resolution?
Yes, it can be cascaded using the non-three state overflow output. - What is the data interface type of the AD7820KRZ-REEL?
The data interface is parallel. - Is the AD7820KRZ-REEL microprocessor-compatible?
Yes, it is designed for microprocessor compatibility. - What is the supply voltage for the AD7820KRZ-REEL?
The supply voltage is +5 V for both analog and digital operations.
