ADP7157ARDZ-03-R7 - Ultra-Low Noise, CMOS Linear Regulator

The ADP7157ARDZ-03-R7 is a state-of-the-art linear regulator from Analog Devices Inc. that offers exceptional performance in a wide range of applications. This device is designed to deliver a fixed output voltage of 3.3V with an input voltage range of up to 20V, making it extremely versatile for various electronic systems. The ADP7157 is part of the ADP7157 series known for their ultra-low noise characteristics and high power supply rejection ratio (PSRR), which ensures a clean and stable voltage supply.

With a maximum output current of 800mA, the ADP7157ARDZ-03-R7 is capable of powering sensitive analog circuits, RF signal chains, and precision instrumentation that require a noise-free and precise voltage source. Its low dropout voltage allows for efficient operation even when the input voltage is close to the output voltage, minimizing power loss and improving overall system efficiency.

One of the key features of this linear regulator is its ultra-low noise output, with only 1.0 µV RMS of voltage noise over a 10 Hz to 100 kHz bandwidth. This characteristic is particularly important for high-performance audio equipment, medical devices, and other noise-sensitive applications. Additionally, the high PSRR of 80 dB at 10 kHz reduces the sensitivity to variations in the input voltage, which is critical in environments with fluctuating power supplies.

The ADP7157ARDZ-03-R7 comes in a compact 8-lead SOIC package, which is suitable for space-constrained applications. It also includes several protective features such as overcurrent protection, thermal overload protection, and reverse-battery protection, ensuring the safety and reliability of the device under various conditions.

Overall, the ADP7157ARDZ-03-R7 from Analog Devices Inc. represents a top-tier solution for designers looking to enhance the performance of their power management systems with a low-noise, high-accuracy, and reliable voltage regulator.

Key Specifications:

• Fixed Output Voltage: 3.3V
• Input Voltage Range: up to 20V
• Maximum Output Current: 800mA
• Ultra-Low Output Noise: 1.0 µV RMS (10 Hz to 100 kHz)
• High PSRR: 80 dB at 10 kHz
• Low Dropout Voltage
• Overcurrent and Thermal Overload Protection
• Reverse-Battery Protection
• Package: 8-lead SOIC