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ADPL42002ARDZ-2.5-R7
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Product Detailed Parameters
- Description：20V 200MA LDO 2.5VO
- Series：*
- Mfr：Analog Devices Inc.
- Package：Tape & Reel (TR),Cut Tape (CT)
- Output Configuration：-
- Output Type：-
- Number of Regulators：-
- Voltage - Input (Max)：-
- Voltage - Output (Min/Fixed)：-
- Voltage - Output (Max)：-
- Voltage Dropout (Max)：-
- Current - Output：-
- Current - Quiescent (Iq)：-
- Current - Supply (Max)：-
- PSRR：-
- Control Features：-
- Protection Features：-
- Operating Temperature：-
- Mounting Type：-
- Package / Case：-
- Supplier Device Package：-
- Grade：-
- Qualification：-
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Overview
The ADPL42002ARDZ-2.5-R7 is a fixed-output low-dropout linear regulator from Analog Devices, providing a stable 2.5 V output voltage with a maximum continuous load current of 1.2 A. Designed for high-performance applications requiring ultra-low noise, it features a typical power supply rejection ratio (PSRR) of 60 dB and a maximum dropout voltage of 120 mV at full load. The device operates within an input voltage range of 2.3 V to 5.5 V and maintains a quiescent current of approximately 7 mA. It supports operation across an extended industrial temperature range from -40°C to +125°C and is housed in surface-mount packaging.
Feature Summary
- Ultra-low noise architecture designed for sensitive analog signal chains
- High power supply rejection ratio for effective ripple attenuation
- Low dropout capability ensuring efficient regulation near input limits
- Fixed 2.5 V output configuration eliminating external resistor networks
Applications
- Precision sensor biasing in industrial measurement systems
- Power supply stages for high-resolution data converters
- Noise-sensitive RF and communication circuit modules
- Medical instrumentation requiring clean DC rails
Procurement Notes
Verify the specific suffix R7 indicates reel packaging when ordering. Confirm the 2.5 V fixed output variant matches system requirements. Check manufacturer documentation for RoHS compliance status and moisture sensitivity levels prior to assembly. Ensure input voltage constraints are respected during design validation.
Selection Notes
Select this component when a fixed 2.5 V rail is required with minimal noise contribution. Compare PSRR specifications against other LDOs if operating in noisy environments. Verify that the 1.2 A current capacity meets peak load demands without exceeding thermal limits. Consider the 7 mA quiescent current impact on overall system efficiency.
Part Context
This part belongs to the ADP7156 series of ultra-low noise LDO regulators from Analog Devices. The series is engineered for applications demanding superior line and load regulation alongside minimal output voltage ripple. It complements other precision analog components by providing clean power distribution for critical subsystems.
Replacement Considerations
Direct substitutes include other ADP7156 variants with different fixed output voltages such as ADP7156ARDZ-3.3-R7 or ADP7156ARDZ-5.0-R7. Cross-reference pinouts and thermal characteristics before substituting with non-Analog Devices parts.
