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AD7820KNZ
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Product Detailed Parameters
- Description：IC ADC 8BIT FLASH 20DIP
- Series：-
- Mfr：Analog Devices Inc.
- Package：Bulk,Tube
- Number of Bits：8
- Sampling Rate (Per Second)：-
- Number of Inputs：1
- Input Type：Single Ended
- Data Interface：Parallel
- Configuration：S/H-ADC
- Ratio - S/H:ADC：1:01
- Number of A/D Converters：1
- Architecture：Flash
- Reference Type：External
- Voltage - Supply, Analog：5V
- Voltage - Supply, Digital：5V
- Features：-
- Operating Temperature：-40°C ~ 85°C
- Package / Case：20-DIP (0.300", 7.62mm)
- Supplier Device Package：20-PDIP
- Mounting Type：Through Hole
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Overview
The AD7820KNZ is an 8-bit analog-to-digital converter manufactured by Analog Devices Inc. It utilizes a flash architecture and features a single-ended input type with one channel. The device operates on a 5V supply for both analog and digital sections. It employs a parallel data interface and includes a sample-and-hold function with a 1:1 ratio. The component is housed in a 20-PDIP package with a width of 0.300 inches (7.62mm) and supports through-hole mounting. It functions within a temperature range of -40°C to +85°C.
Feature Summary
- Flash architecture for high-speed conversion
- Integrated sample-and-hold amplifier
- Parallel digital output interface
- Single-supply 5V operation
Applications
- Industrial process control systems
- Data acquisition modules
- Instrumentation signal conditioning
Procurement Notes
Verify the specific suffix KNZ to confirm the PDIP-20 package and industrial temperature grade. Confirm RoHS3 compliance status as indicated in distributor records. Check current availability status, as some sources indicate discontinued or limited stock conditions. Ensure the external reference voltage requirement is met by the system design.
Selection Notes
Select this part when an 8-bit resolution and parallel interface are required for single-ended signals. Compare against the MX7820KN+ for potential pin-compatible alternatives if available. Consider the AD7820LRZ for surface-mount applications requiring the same electrical performance in a SOIC-20 package. Verify that the external reference voltage specification aligns with the application needs.
Part Context
The AD7820KNZ belongs to the AD7820 family of 8-bit CMOS A/D converters. This series is characterized by its half-flash architecture and integrated track/hold capabilities. The KNZ suffix specifically denotes the lead-free, industrial temperature range version in a plastic DIP package. It serves as a legacy component for designs requiring robust parallel ADC solutions.
Replacement Considerations
The ADC0820CCN+ is listed as a substitute part number from Analog Devices Inc./Maxim Integrated.
