Overview
The ADM7150ARDZ-3.3-R7 is a high-performance, ultralow noise, high PSRR (Power Supply Rejection Ratio) linear regulator produced by Analog Devices Inc. This device operates within an input voltage range of 4.5 V to 16 V and provides a maximum output current of 800 mA. It is designed to meet the stringent requirements of noise-sensitive applications, offering excellent line and load transient response. The regulator is available in a compact 8-lead SOIC package, ensuring a small footprint and excellent thermal performance.
Key Specifications
| Parameter | Min | Typ | Max | Unit |
|---|---|---|---|---|
| Input Voltage Range | 4.5 | 16 | V | |
| Maximum Output Current | 800 | mA | ||
| Output Noise (100 Hz to 100 kHz) | 1.0 | µV rms | ||
| Output Noise (10 Hz to 100 kHz) | 1.6 | µV rms | ||
| Noise Spectral Density (10 kHz to 1 MHz) | 1.7 | nV/√Hz | ||
| Power Supply Rejection Ratio (PSRR) at 400 mA load | >90 dB (1 kHz to 100 kHz) | |||
| Dropout Voltage at VOUT = 5 V, 800 mA load | 0.6 | V | ||
| Initial Voltage Accuracy | ±1% | |||
| Voltage Accuracy over Line, Load, and Temperature | ±2% | |||
| Quiescent Current (IGND) at No Load | 4.3 | 7.0 | mA | |
| Shutdown Current | 0.1 | 3 | µA | |
| Output Voltage Options | Fixed: 1.8 V, 2.8 V, 3.0 V, 3.3 V, 4.5 V, 4.8 V, 5.0 V, and others | |||
| Package | 8-lead SOIC, 8-lead LFCSP |
Key Features
- Ultralow output noise: 1.0 µV rms from 100 Hz to 100 kHz and 1.6 µV rms from 10 Hz to 100 kHz.
- High PSRR: >90 dB from 1 kHz to 100 kHz and >60 dB at 1 MHz.
- Low dropout voltage: 0.6 V at VOUT = 5 V, 800 mA load.
- High accuracy: Initial voltage accuracy of ±1% and voltage accuracy over line, load, and temperature of ±2%.
- Low quiescent current: 4.3 mA at no load and low shutdown current of 0.1 µA.
- Compact packaging: Available in 8-lead SOIC and 8-lead LFCSP packages.
- Stable with a 10 µF ceramic output capacitor.
- Under voltage lockout for improved system reliability.
Applications
- Noise-sensitive applications such as RF mixers, phase-locked loops (PLLs), voltage-controlled oscillators (VCOs), and PLLs with integrated VCOs.
- Communications and infrastructure, including cable digital-to-analog converter (DAC) drivers and backhaul and microwave links.
Q & A
- What is the input voltage range of the ADM7150ARDZ-3.3-R7? The input voltage range is from 4.5 V to 16 V.
- What is the maximum output current of the ADM7150ARDZ-3.3-R7? The maximum output current is 800 mA.
- What is the typical output noise of the ADM7150ARDZ-3.3-R7? The typical output noise is 1.0 µV rms from 100 Hz to 100 kHz.
- What is the PSRR of the ADM7150ARDZ-3.3-R7 at 400 mA load? The PSRR is >90 dB from 1 kHz to 100 kHz.
- What is the dropout voltage of the ADM7150ARDZ-3.3-R7 at VOUT = 5 V, 800 mA load? The dropout voltage is 0.6 V.
- What are the available output voltage options for the ADM7150ARDZ-3.3-R7? Fixed output voltages include 1.8 V, 2.8 V, 3.0 V, 3.3 V, 4.5 V, 4.8 V, and 5.0 V, among others.
- In what packages is the ADM7150ARDZ-3.3-R7 available? It is available in 8-lead SOIC and 8-lead LFCSP packages.
- What is the quiescent current of the ADM7150ARDZ-3.3-R7 at no load? The quiescent current is 4.3 mA.
- Does the ADM7150ARDZ-3.3-R7 have under voltage lockout? Yes, it includes under voltage lockout for improved system reliability.
- What are some typical applications of the ADM7150ARDZ-3.3-R7? Typical applications include noise-sensitive RF circuits, communications infrastructure, and DAC drivers.
