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AD7820LP
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Product Detailed Parameters
- Description：IC ADC 8BIT HS TRACK/HOLD 20PLCC
- Series：-
- Mfr：Analog Devices Inc.
- Package：Tube
- Number of Bits：8
- Sampling Rate (Per Second)：-
- Number of Inputs：-
- Input Type：-
- Data Interface：-
- Configuration：-
- Ratio - S/H:ADC：-
- Number of A/D Converters：3
- Architecture：-
- Reference Type：-
- Voltage - Supply, Analog：-
- Voltage - Supply, Digital：-
- Features：-
- Operating Temperature：-40°C ~ 85°C
- Package / Case：20-LCC (J-Lead)
- Supplier Device Package：20-PLCC (9x9)
- Mounting Type：Surface Mount
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Overview
The AD7820LP is an 8-bit analog-to-digital converter (ADC) manufactured by Analog Devices Inc. It utilizes a flash architecture and features a single-ended input type with a parallel data interface. The device operates on a 5 V analog and digital supply voltage, consuming 40 mW of power. It supports an external reference voltage of 4.75 V and functions within a temperature range of -40°C to +85°C. The component is housed in a 20-PLCC package.
Feature Summary
- Flash architecture for high-speed conversion
- Single-ended input configuration
- Parallel data interface
Applications
- Industrial process control systems
- Data acquisition modules
- Test and measurement equipment
Procurement Notes
Verify the specific suffix requirements for the AD7820 series, as package variations such as LPZ or KPZ exist. Confirm availability status directly with authorized distributors, as some variants may be discontinued or limited. Ensure the selected part matches the required operating temperature range and packaging format for the target application design.
Selection Notes
Select the AD7820LP when an 8-bit resolution and parallel interface are required for single-channel applications. Consider the 20-PLCC package constraints for PCB layout. Verify that the system can accommodate the 5 V supply requirement and external reference voltage needs. Compare against other AD7820 variants if surface-mount or through-hole preferences differ.
Part Context
The AD7820 belongs to the AD7820 family of 8-bit CMOS A/D converters from Analog Devices. This series includes various package options such as PDIP, SOIC, and PLCC. The AD7820LP specifically denotes the Plastic Leadless Chip Carrier variant. It shares core electrical specifications with other members of the family but differs in physical mounting and pinout geometry.
Replacement Considerations
The TLC0820AIFN is documented as a similar replacement option for the AD7820KPZ variant. Verify compatibility with the AD7820LP regarding pinout and electrical characteristics before substitution.
