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ADP1761WACPZ-R7

ADP1761WACPZ-R7 Description

The ADP1761WACPZ-R7 is an ultra-low-power (ULP) power management integrated circuit (PMIC) designed by Analog Devices Inc. Specifically tailored for portable medical devices such as pulse oximeters (SpO2) and electrocardiograms (ECGs), this PMIC offers a comprehensive suite of power management features in a compact, surface-mount package. The device is REACH unaffected and RoHS3 compliant, ensuring it meets stringent environmental standards.

ADP1761WACPZ-R7 Features

• Adjustable Output Voltage: The ADP1761WACPZ-R7 provides an adjustable output voltage ranging from 0.5V to 1.5V, making it highly versatile for various applications. This flexibility allows designers to optimize the power supply for different components within their systems.
• High Efficiency: With a maximum input voltage of 1.98V and a dropout voltage of only 0.053V at 1A, the ADP1761WACPZ-R7 ensures high efficiency even at low input voltages. This is particularly beneficial for battery-powered devices where every milliwatt counts.
• Low Quiescent Current: The device features a low quiescent current of 8 mA, which is crucial for minimizing power consumption in low-power applications. This attribute extends battery life, a key requirement for portable medical devices.
• Advanced Control Features: The ADP1761WACPZ-R7 includes enable, power good, and soft start features. These control mechanisms enhance system reliability and ensure a smooth power-up sequence, reducing the risk of transient issues.
• Protection Features: Overcurrent and overtemperature protection features safeguard the device and connected components from potential damage. These safety mechanisms are essential for maintaining system integrity and reliability.
• High PSRR: The device boasts a high power supply rejection ratio (PSRR) of 67dB at 10kHz to 35dB at 1MHz, ensuring clean power delivery and minimizing noise interference in sensitive medical applications.

ADP1761WACPZ-R7 Applications

The ADP1761WACPZ-R7 is ideally suited for applications requiring efficient and reliable power management, particularly in the medical field. Its key applications include:

• Portable Medical Devices: Ideal for portable pulse oximeters (SpO2) and electrocardiograms (ECGs), where low power consumption and high efficiency are critical.
• Battery-Powered Systems: Suitable for any battery-powered system that demands extended battery life and efficient power management.
• Low-Power Electronics: Applicable in various low-power electronic devices where space and power efficiency are paramount.

Conclusion of ADP1761WACPZ-R7

The ADP1761WACPZ-R7 from Analog Devices Inc. stands out as a highly efficient and versatile PMIC tailored for portable medical devices. Its adjustable output voltage, low dropout voltage, and low quiescent current make it an excellent choice for applications where power efficiency and reliability are crucial. The inclusion of advanced control and protection features further enhances its suitability for demanding medical applications. Whether in pulse oximeters, ECGs, or other low-power electronics, the ADP1761WACPZ-R7 delivers exceptional performance and reliability, making it a standout solution in the power management space.