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Product Detailed Parameters
- Description：IC DAC 8BIT V-OUT 20SOIC
- Series：-
- Mfr：Analog Devices Inc.
- Package：Bulk
- Number of Bits：8
- Number of D/A Converters：1
- Settling Time：20µs
- Output Type：Voltage - Buffered
- Differential Output：No
- Data Interface：Parallel
- Reference Type：External
- Voltage - Supply, Analog：11.4V ~ 16.5V, ±5V
- Voltage - Supply, Digital：14.25V ~ 15.75V
- INL/DNL (LSB)：±1 (Max), ±1 (Max)
- Architecture：R-2R
- Operating Temperature：-40°C ~ 85°C
- Package / Case：20-SOIC (0.295", 7.50mm Width)
- Supplier Device Package：20-SOIC
- Mounting Type：Surface Mount
- Grade：-
- Qualification：-
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Overview
The AD7224KR-1REEL is an 8-bit CMOS digital-to-analog converter (DAC) manufactured by Analog Devices Inc. It features a voltage output architecture and utilizes a parallel interface for data input. The component is supplied in a reel packaging format, designated by the suffix 'REEL' in the part number. This specific variant belongs to the AD7224 series of DAC ICs. As a monolithic device, it integrates the necessary circuitry to convert binary digital codes into corresponding analog voltage levels, suitable for applications requiring precise signal generation from digital sources.
Feature Summary
- 8-bit resolution with CMOS technology
- Voltage output configuration
- Parallel digital input interface
- Reel packaging for automated assembly
Applications
- Portable instrumentation systems
- Battery-powered devices
- Digital control loops
Procurement Notes
Verify the exact electrical specifications and pinout against the official AD7224 datasheet, as the REEL suffix indicates packaging rather than functional changes. Confirm that the parallel interface requirements match the system design. Ensure the voltage output range aligns with the target application's input constraints before procurement.
Selection Notes
Select this component when an 8-bit resolution is sufficient for the application's accuracy requirements. The parallel interface necessitates multiple GPIO lines; ensure the microcontroller or FPGA has adequate pins available. Consider the voltage output nature if current drive capability is needed, which may require an external buffer amplifier.
Part Context
This part is a member of the AD7224 family, which includes variants like the AD7224KR-1Z. The primary distinction lies in the packaging: the KR-1REEL is provided on a reel for surface-mount automation, whereas other suffixes may indicate tube packaging. All variants share the same core DAC functionality and pin compatibility within the package type.
Replacement Considerations
Direct replacements must maintain 8-bit resolution, parallel interface, and voltage output characteristics. Verify pin-for-pin compatibility with the SOIC-16 package. Check settling time and linearity specifications to ensure they meet the original design's performance criteria.
