Overview
The ADC0820CC/D is a high-speed, 8-bit analog-to-digital converter (ADC) designed for microprocessor compatibility. It utilizes a half-flash conversion technique to achieve a conversion time of 1.4 μs, making it suitable for high-speed applications. The converter operates on a single +5V supply and has an analog input range of 0V to +5V. It is packaged in various forms, including 20-pin Small Outline, DIP, and CERDIP packages, ensuring versatility in different system designs.
Key Specifications
| Parameter | Value | Units |
|---|---|---|
| Resolution | 8 bits | |
| Conversion Time | 1.4 μs (max) | μs |
| Analog Input Range | 0V to +5V | V |
| Supply Voltage | +5V | V |
| Power Consumption | 75 mW (max) | mW |
| Total Unadjusted Error | ±½ LSB and ± 1 LSB | LSB |
| Output Type | Latched TRI-STATE | |
| Package Types | 20-pin Small Outline, DIP, CERDIP |
Key Features
- Built-in track-and-hold function, eliminating the need for an external sample-and-hold for input slew rates up to 100 mV/μs.
- No external clocking required.
- No zero or full-scale adjustment needed.
- Overflow output available for cascading devices to achieve higher resolution.
- Logic inputs and outputs compatible with both MOS and TTL levels.
- Direct interface to microprocessor data bus or system I/O port without external logic.
Applications
The ADC0820CC/D is suitable for a variety of applications requiring high-speed analog-to-digital conversion, such as data acquisition systems, industrial control systems, medical devices, and automotive systems. Its microprocessor compatibility and ease of interface make it a versatile component for many digital systems.
Q & A
- What is the conversion time of the ADC0820CC/D?
The conversion time of the ADC0820CC/D is up to 1.4 μs. - What is the analog input range of the ADC0820CC/D?
The analog input range is 0V to +5V. - Does the ADC0820CC/D require an external clock?
No, the ADC0820CC/D does not require an external clock. - What type of output does the ADC0820CC/D have?
The ADC0820CC/D has latched TRI-STATE output. - Is the ADC0820CC/D compatible with microprocessors?
Yes, the ADC0820CC/D is designed to be microprocessor compatible and can appear as a memory location or I/O port. - What is the power consumption of the ADC0820CC/D?
The power consumption is up to 75 mW. - Does the ADC0820CC/D require zero or full-scale adjustments?
No, the ADC0820CC/D does not require zero or full-scale adjustments. - What is the purpose of the built-in track-and-hold function?
The built-in track-and-hold function eliminates the need for an external sample-and-hold for input slew rates up to 100 mV/μs. - Can the ADC0820CC/D be cascaded for higher resolution?
Yes, the ADC0820CC/D has an overflow output available for cascading devices to achieve higher resolution. - What are the package options for the ADC0820CC/D?
The ADC0820CC/D is available in 20-pin Small Outline, DIP, and CERDIP packages.
