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ADP7156ACPZ-2.0-R7
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Product Detailed Parameters
- Description：IC REG LINEAR 2V 1.2A 10LFCSP
- Series：-
- Mfr：Analog Devices Inc.
- Package：Tape & Reel (TR),Cut Tape (CT)
- Output Configuration：Positive
- Output Type：Fixed
- Number of Regulators：1
- Voltage - Input (Max)：5.5V
- Voltage - Output (Min/Fixed)：2V
- Voltage - Output (Max)：-
- Voltage Dropout (Max)：-
- Current - Output：1.2A
- Current - Quiescent (Iq)：8 mA
- Current - Supply (Max)：12 mA
- PSRR：-
- Control Features：Enable
- Protection Features：Over Current, Over Temperature
- Operating Temperature：-40°C ~ 125°C
- Mounting Type：Surface Mount
- Package / Case：10-VFDFN Exposed Pad, CSP
- Supplier Device Package：10-LFCSP-WD (3x3)
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Overview
The ADP7156ACPZ-2.0-R7 is a fixed-output linear regulator from Analog Devices, providing a precise 2.0 V output with a maximum load current of 1.2 A. It operates within an input voltage range of 2.3 V to 5.5 V and features ultralow noise characteristics, including 0.9 µV rms integrated noise from 100 Hz to 100 kHz. The device offers high power supply rejection ratio (PSRR) of 80 dB from 1 kHz to 100 kHz and maintains a typical dropout voltage of 120 mV at full load. Packaged in a compact 10-lead LFCSP, it ensures stability with standard 10 µF ceramic capacitors.
Feature Summary
- Delivers ultralow noise performance suitable for sensitive RF circuits
- Provides high power supply rejection across wide frequency ranges
- Features precision enable control with defined logic thresholds
- Operates reliably with standard low-ESR ceramic output capacitors
Applications
- Phase-locked loops (PLLs)
- Voltage controlled oscillators (VCOs)
- Backhaul and microwave links
Procurement Notes
Verify the specific suffix R7 indicates reel packaging when sourcing. Confirm the 2.0 V output variant matches system requirements. Check for automotive qualification if operating in harsh environments. Ensure thermal management aligns with PCB layout capabilities. Validate component authenticity through authorized channels.
Selection Notes
Select this regulator for applications requiring stable 2.0 V rails under high transient loads. Consider the 10-lead LFCSP package for space-constrained designs. Evaluate thermal dissipation based on input-output voltage differentials. Ensure input and output capacitor ESR values remain within specified limits for loop stability.
Part Context
This component belongs to the ADP7156 family of ultralow noise linear regulators designed for radio frequency applications. It shares architectural similarities with the ADP7157 and ADP7158 but differs in output configuration and current capabilities. The series emphasizes high PSRR and minimal noise spectral density for critical signal integrity.
Replacement Considerations
The ADP7157 serves as a functional alternative offering adjustable output options within the same package footprint. Verify pin compatibility and thermal resistance specifications before substitution. Ensure the replacement device meets the required 1.2 A load current and noise performance standards.
