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ADPL42002ACPZN2.5-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 ADPL42002ACPZN2.5-R7 is a CMOS low dropout linear regulator manufactured by Analog Devices Inc. It operates within an input voltage range of 2.7V to 20V and provides a fixed output voltage of 2.5V with up to 200mA of output current. The device features ultra-low noise performance, specified at 20μVRMS, which remains independent of the fixed output voltage setting. It offers high power supply rejection ratio (PSRR) of 78dB at 10kHz under typical conditions where VOUT is less than or equal to 5V and VIN is 7V. The component is housed in a compact 6-pin LFCSP-UD (2x2) package.
Feature Summary
- Ultra-low noise performance of 20μVRMS independent of fixed output voltage
- High power supply rejection ratio of 78dB at 10kHz for effective ripple suppression
- Wide input voltage operating range from 2.7V to 20V supporting diverse supply architectures
Applications
- Low noise analog circuit power supplies
- RF front-end module biasing
- Precision sensor signal conditioning systems
Procurement Notes
Verify the specific suffix R7 indicates reel packaging configuration when ordering. Confirm the ACPZN package designation matches the required 6-pin LFCSP-UD footprint for PCB layout compatibility. Ensure the 2.5V fixed output aligns with target circuit requirements as adjustable variants exist within the series. Cross-reference manufacturer datasheets for thermal derating curves relevant to the intended ambient temperature conditions.
Selection Notes
Select this component when ultra-low noise is critical for sensitive analog or RF stages. The wide input range accommodates battery-powered or varying supply sources. Verify that the 200mA current capability meets load demands without excessive thermal dissipation. Consider the small form factor for space-constrained designs requiring high performance in a minimal footprint.
Part Context
This part belongs to the ADPL42002 series of low dropout regulators designed for high-performance applications. It shares architectural similarities with other members like the ADPL40502 but offers distinct electrical characteristics tailored for noise-sensitive environments. The series emphasizes stability and low noise across a broad input voltage spectrum.
Replacement Considerations
Direct substitutes include other ADPL42002 variants with different fixed output voltages if system design allows adjustment. Verify pinout compatibility before replacing with generic LDOs, as internal compensation and protection circuits may differ significantly.
