Overview
The ADM7150ACPZ-5.0-R7 is a high-performance, low dropout (LDO) linear regulator produced by Analog Devices Inc. This regulator operates within an input voltage range of 4.5 V to 16 V and is capable of providing up to 800 mA of output current. It is designed with an advanced proprietary architecture that ensures ultralow noise and high power supply rejection ratio (PSRR), making it ideal for noise-sensitive applications.
Key Specifications
| Parameter | Symbol | Min | Typ | Max | Unit |
|---|---|---|---|---|---|
| Input Voltage Range | VIN | 4.5 | 16 | V | |
| Maximum Output Current | IOUT | 800 | mA | ||
| Output Voltage | VOUT | 5.0 | V | ||
| Output Noise (100 Hz to 100 kHz) | OUTNOISE | 1.0 | µV rms | ||
| Noise Spectral Density (10 kHz to 1 MHz) | NSD | 1.7 | nV/√Hz | ||
| Power Supply Rejection Ratio (PSRR) at 400 mA load | PSRR | >90 dB (1 kHz to 100 kHz) | |||
| Dropout Voltage | VDO | 0.6 | V | ||
| Initial Voltage Accuracy | ±1% | ||||
| Quiescent Current (IGND) | IGND | 4.3 | 7.0 | mA | |
| Shutdown Current | IIN-SD | 0.1 | 3 | µA | |
| Package | 8-VFDFN Exposed Pad, CSP |
Key Features
- Ultralow noise: 1.0 µV rms total integrated noise from 100 Hz to 100 kHz and 1.7 nV/√Hz noise spectral density from 10 kHz to 1 MHz.
- High power supply rejection ratio (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.
- Low shutdown current: 0.1 µA.
- Stable with a 10 µF ceramic output capacitor.
- Fixed output voltage options: 1.8 V, 2.8 V, 3.0 V, 3.3 V, 4.5 V, 4.8 V, and 5.0 V, with additional options available upon request.
- Compact packages: 8-lead LFCSP and 8-lead SOIC with exposed pad for excellent thermal performance.
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 ADM7150?
The input voltage range of the ADM7150 is from 4.5 V to 16 V.
- What is the maximum output current of the ADM7150?
The maximum output current of the ADM7150 is 800 mA.
- What are the available fixed output voltage options for the ADM7150?
The ADM7150 is available with fixed output voltage options of 1.8 V, 2.8 V, 3.0 V, 3.3 V, 4.5 V, 4.8 V, and 5.0 V, with additional options available upon request.
- What is the noise performance of the ADM7150?
The ADM7150 has an ultralow noise performance with 1.0 µV rms total integrated noise from 100 Hz to 100 kHz and a noise spectral density of 1.7 nV/√Hz from 10 kHz to 1 MHz.
- What is the power supply rejection ratio (PSRR) of the ADM7150?
The PSRR of the ADM7150 is >90 dB from 1 kHz to 100 kHz and >60 dB at 1 MHz.
- What are the typical applications of the ADM7150?
The ADM7150 is typically used in noise-sensitive applications such as RF mixers, PLLs, VCOs, and communications infrastructure.
- What are the package options for the ADM7150?
The ADM7150 is available in 8-lead LFCSP and 8-lead SOIC packages with exposed pad for excellent thermal performance.
- What is the quiescent current of the ADM7150?
The quiescent current of the ADM7150 is 4.3 mA at no load.
- What is the shutdown current of the ADM7150?
The shutdown current of the ADM7150 is 0.1 µA.
- Is the ADM7150 stable with ceramic output capacitors?
Yes, the ADM7150 is stable with a 10 µF ceramic output capacitor.
