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Home » NEWEST Products » New by Manufacturer » Analog Devices Inc. » ADM7151 RF Linear Regulator - Analog Devices
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Analog Devices ADM7151 RF Linear Regulator

Analog Devices ADM7151 RF Linear Regulator

Analog Devices ADM7151 RF Linear Regulator is a low dropout (LDO) linear regulator that operates from 4.5V to 16V and provides up to 800mA of output current. Using an advanced proprietary architecture, it provides high power supply rejection (>90dB from 1kHz to 1MHz), ultra-low noise, and excellent line and load transient response with a 10μF ceramic output capacitor. The output voltage can be set to any voltage between 1.5V and 4.0V with two resistors. The ADM7151 regulator output noise is 1.0μV rms from 100Hz to 100kHz, and the noise spectral density is 1.7nV/√Hz from 10kHz to 1MHz. The ADM7151 is a very compact solution, and also provides excellent thermal performance for applications requiring up to 800 mA of output current in a small, low profile footprint.

Features
  • Input voltage range: 4.5V to 16V
  • Maximum output current: 800mA
  • Adjustable output from 1.5V to 4.0V
  • Low noise
    • 1.0μV rms total integrated noise from 100Hz to 100kHz
    • 1.6μV rms total integrated noise from 10Hz to 100kHz
  • Noise spectral density: 1.7nV√Hz from 10kHz to 1MHz
  • Power supply rejection ratio (PSRR) at 400mA load
    • >90dB from 1kHz to 100kHz, VOUT = 5V
    • >60dB at 1MHz, VOUT = 5V
  • Dropout voltage: 0.6V at VOUT = 5V, 800mA load
  • Initial voltage accuracy: ±1%
  • Voltage accuracy over line, load and temperature: ±2%
  • Quiescent current (IGND): 4.3mA at no load
  • Low shutdown current: 0.1μA
  • Stable with a 10μF ceramic output capacitor
Applications
  • Regulated power noise sensitive applications
    • RF mixers, phase-locked loops (PLLs), voltage-controlled oscillators (VCOs), and PLLs with integrated VCOs
  • Clock distribution circuits
  • Ultrasound and other imaging applications
  • High speed RF transceivers
  • High speed, 16-bit or greater ADCs
  • Communications and infrastructure
  • Cable digital-to-analog converter (DAC) drivers
Typical Application Circuit
Typical Application Circuit
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  • Analog Devices Inc.