ADM7170ACPZ-R7 Ultra-Low Noise, High PSRR, RF Linear Regulator

The ADM7170ACPZ-R7 is a state-of-the-art linear regulator from Analog Devices Inc., designed to deliver a high-performance solution for noise-sensitive applications. This component is part of the ADM7170 series, which is renowned for its ultra-low noise output and high power supply rejection ratio (PSRR), making it an ideal choice for RF and other precision analog circuits.

Key Features:

• Ultra-Low Output Noise: The ADM7170ACPZ-R7 boasts an impressive low output voltage noise density of only 1.6 µV RMS typical for a 2.5V output model, which is crucial for maintaining signal integrity in sensitive RF and analog applications.
• High PSRR: With a high PSRR of 80 dB up to 10 kHz, this regulator significantly attenuates input supply noise, ensuring a clean and stable output voltage even in the presence of supply fluctuations.
• Wide Input Voltage Range: The device operates with an input voltage range from 2.3 V to 6.5 V, providing flexibility in various system designs and ensuring compatibility with a broad range of supply sources.
• Adjustable Output Voltage: The output voltage can be set from 1.2 V to VIN - 0.3 V via an external resistor divider, allowing for precise voltage regulation tailored to specific application requirements.
• High Output Current: Capable of delivering up to 200 mA of output current, the ADM7170ACPZ-R7 can power a wide array of devices without compromising performance.
• Thermal Protection: The regulator includes an over-temperature protection feature that safeguards the device against excessive heat, enhancing reliability and longevity.
• Compact Package: Housed in a 10-lead LFCSP (3 mm × 3 mm) package, this regulator is designed for space-constrained applications without sacrificing performance.

Applications:

The ADM7170ACPZ-R7 is particularly well-suited for high-performance applications where voltage regulation with minimal noise is essential. This includes:

• RF mixers and modulators
• Data acquisition systems
• Medical and healthcare equipment
• Audio equipment
• High precision instrumentation
• Communications infrastructure

With its combination of low noise, high PSRR, and flexible input/output options, the ADM7170ACPZ-R7 from Analog Devices Inc. is an excellent choice for engineers seeking to optimize their power management solutions in noise-critical applications.