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ADP7112ACBZ-1.8-R7
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Product Detailed Parameters
- Description：IC REG LINEAR 1.8V 200MA 6-WLCSP
- 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)：20V
- Voltage - Output (Min/Fixed)：1.8V
- Voltage - Output (Max)：-
- Voltage Dropout (Max)：-
- Current - Output：200mA
- Current - Quiescent (Iq)：140 µA
- Current - Supply (Max)：320 µA
- PSRR：-
- Control Features：Enable, Soft Start
- Protection Features：Over Current, Over Temperature
- Operating Temperature：-40°C ~ 125°C
- Mounting Type：Surface Mount
- Package / Case：6-XFBGA, WLCSP
- Supplier Device Package：6-WLCSP (0.95x1.16)
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Overview
The ADP7112ACBZ-1.8-R7 is a CMOS low dropout linear regulator manufactured by Analog Devices Inc., housed in a 6-ball WLCSP package measuring 1 mm × 1.2 mm. It operates with an input voltage range of 2.7 V to 20 V and delivers up to 200 mA of output current at a fixed 1.8 V setting. The device features low noise performance of 11 μV rms, high power supply rejection ratios reaching 88 dB at 10 kHz, and a typical quiescent current of 50 μA. It includes user-programmable soft start, precision enable logic, and thermal overload protection.
Feature Summary
- Ultra-low output noise of 11 μV rms across all fixed voltage options
- High power supply rejection ratio for sensitive analog applications
- User-programmable soft start via external capacitor
- Precision enable pin with adjustable threshold hysteresis
Applications
- ADC and DAC circuits requiring clean power rails
- Precision amplifiers and instrumentation systems
- Power supplies for VCO VTUNE control
- Noise-sensitive communications and infrastructure equipment
Procurement Notes
Verify the specific suffix R7 indicates reel packaging when sourcing components. Confirm the ACBZ designation corresponds to the specified temperature range and package variant. Ensure compatibility with standard WLCSP soldering profiles during assembly. Cross-reference the manufacturer part number against official distributor catalogs to validate authenticity and revision status before procurement.
Selection Notes
Select this component for designs requiring minimal footprint alongside high-performance regulation. The fixed 1.8 V output eliminates the need for external feedback resistors unless voltage adjustment is required. Consider the 2.2 μF ceramic capacitor requirement for stability. Evaluate thermal dissipation capabilities based on the junction-to-ambient resistance of the WLCSP package under maximum load conditions.
Part Context
This device belongs to the ADP7112 family of low noise LDO regulators designed for portable and battery-powered applications. The series offers multiple fixed output voltages ranging from 1.2 V to 5.0 V within the same compact form factor. It utilizes an advanced proprietary architecture to achieve excellent transient response while maintaining low ground current consumption.
Replacement Considerations
Direct substitutes include other ADP7112 variants with different fixed output voltages such as ADP7112ACBZ-3.3-R7 or ADP7112ACBZ-5.0-R7 if voltage levels differ. Adjustable versions like ADP7112ACPZ-ADJ may serve as alternatives if programmable output is desired.
