ADM7151:  800 mA, Ultra Low Noise/High PSRR Adjustable Vout LDO

Product Details

Product Status:Recommended for New Designs

The ADM7151 is a low dropout linear regulator that operates from 4.5 V to 16V and provides up to 800mA of output current. Using an advanced proprietary architecture, they provide high power supply rejection, low noise, and achieve excellent line and load transient response with a 10 μF ceramic output capacitor. The output voltage may be set to any voltage between 1.5V and 5.1V with two resistors.

The ADM7151 is available in 2 models that optimize power dissipation and PSRR performance as a function of input and output voltage.The ADM7151 regulator output noise is 1.0 μVrms (100Hz to 100KHz) and 1.7nV/√Hz noise spectral density above 10KHz.

The ADM7151 is available in 8-lead, 3 mm × 3 mm LFCSP and 8-lead SOIC packages, making it not only a very compact solution, but also providing excellent thermal performance for applications requiring up to 800mA of output current in a small, low-profile footprint.

ADM7151 is an adjustable Vout device. For fixed Vout version of the ADM7151, see the ADM7150.

Applications
  • Regulation to noise sensitive applications: RF Mixers, PLL’s, VCO’s, and PLL’s with Integrated VCO’s
  • Clock distribution circuits
  • Ultrasound and other imaging applications
  • High speed RF transceivers
  • High speed, 16 bit+ ADCs
  • Communications and Infrastructure

FEATURES and BENEFITS

  • Input voltage range: 4.5V to 16V
  • Maximum output current: 800mA
  • Adjustable output from 1.5V to 5.1V
  • Low Noise:
    1.0 μVRMS Total Integrated Noise from 100 Hz to 100 KHz
    1.6 μVRMS Total Integrated Noise from 10 Hz to 100 KHz
  • Noise Spectral Density <1.7nV√Hz above 10 KHz
  • PSRR of >90 dB from 1 KHz to 100 KHz, >60dB @ 1 MHz, VOUT = 5V
  • Dropout voltage: 600 mV @ VOUT = 5 V/800 mA load
  • Initial accuracy: ±1%
  • Accuracy over line, load, and temperature: ±2%
  • Quiescent Current, IGND = 4.3 mA @ No Load
  • Low shutdown current: 0.1 μA
  • Stable with a 10 μF ceramic output capacitor
  • 8-lead LFCSP package and SOIC package

Noise Spectral Density (NSD) vs. Frequency for Various CBYP

Documentation

Title Content Type File Type
ADM7151: 800 mA Ultralow Noise, High PSRR, RF Linear Regulator Data Sheet (Rev 0, 10/2013) (pdf, 785 kB) Data Sheets PDF
Introduction to ADIsimPower
ADIsimPower is a smart selector and a collection of downloadable tools that produce complete and optimized power designs. Schematic, bill of materials, and performance data are customized to your specific needs in minutes.
Videos HTML
UG-553: Evaluating the ADM7150 and ADM7151 Linear Regulators  (pdf, 442 kB) User Guides PDF
Ultra-Low-Noise RF Low-Dropout Regulators Reduce Phase Noise in Wideband Communication Systems (06 Nov 2013) Press Releases HTML
Glossary of EE Terms Glossary HTML

Design Tools,Models,Drivers & Software

Title Content Type File Type
ADI Linear Regulator Design Tool and Parametric Search  (zip)
Microsoft Excel download tool from ADIsimPower to generate a power supply design complete with a schematic, bill of materials, and performance specifications.
ADIsim Design/Simulation Tools ZIP

Evaluation Kits & Symbols & Footprints

Evaluation Boards & KitsView the Evaluation Boards and Kits page for documentation and purchasing

Symbols and Footprints— Analog Devices offers Symbols & Footprints which are compatible with a large set of today’s CAD systems for broader and easier support.

SampleSample & Buy

Price, packaging, availability

ADM7151 Model Options
Model Package Pins Temp.
Range
Packing,
Qty
Price*(100-499) Price*1000 pcs RoHS View PCN/ PDN Check Inventory/
Purchase/Sample
ADM7151ACPZ-02-R2 Status: Production 8 ld LFCSP (3x3mm, 1.6x2.34mm exposed pad 8 Ind Reel, 250 $4.16 $4.16 Y  Material Info PCN Purchase
ADM7151ACPZ-02-R7 Status: Production 8 ld LFCSP (3x3mm, 1.6x2.34mm exposed pad 8 Ind Reel, 1500 - $3.64 Y  Material Info PCN Purchase Sample
ADM7151ACPZ-04-R2 Status: Production 8 ld LFCSP (3x3mm, 1.6x2.34mm exposed pad 8 Ind Reel, 250 $4.16 $4.16 Y  Material Info PCN Purchase
ADM7151ACPZ-04-R7 Status: Production 8 ld LFCSP (3x3mm, 1.6x2.34mm exposed pad 8 Ind Reel, 1500 - $3.64 Y  Material Info PCN Purchase Sample
ADM7151ARDZ-02 Status: Production 8 ld SOIC-EP (2.41mm Exposed pad) 8 Ind Tube, 98 $4.16 $3.64 Y  Material Info Notify Me Purchase Sample
ADM7151ARDZ-02-R7 Status: Production 8 ld SOIC-EP (2.41mm Exposed pad) 8 Ind Reel, 1000 - $3.64 Y  Material Info Notify Me Purchase Sample
ADM7151ARDZ-04 Status: Production 8 ld SOIC-EP (2.41mm Exposed pad) 8 Ind Tube, 98 $4.16 $3.64 Y  Material Info Notify Me Purchase Sample
ADM7151ARDZ-04-R7 Status: Production SOIC 150 MIL W/THERMAL PAD 8 Ind Reel, 1000 - $3.64 Y  Material Info Notify Me Purchase Sample
Price Table Help

The USA list pricing shown is for BUDGETARY USE ONLY, shown in United States dollars (FOB USA per unit for the stated volume), and is subject to change. International prices may differ due to local duties, taxes, fees and exchange rates. For volume-specific price or delivery quotes, please contact your local Analog Devices, Inc. sales office or authorized distributor. Pricing displayed for Evaluation Boards and Kits is based on 1-piece pricing.

ADM7150 and ADM7151 Evaluation Board
Model Description Price RoHS View PCN/ PDN Check Inventory/
Purchase/Sample
ADM7150CP-EVALZ Status: Production Evaluation Board $49.00 Yes -
ADM7151CP-02-EVALZ Status: Production Evaluation Board $49.00 Yes -

Pricing displayed is based on 1-piece. The USA list pricing shown is for budgetary use only, shown in United States dollars (FOB USA per unit), and is subject to change. International prices may vary due to local duties, taxes, fees and exchange rates.

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