Dual Audio Power Evaluation Board

Overview

NCP2811 is a dual audio power amplifier designed for portable communication device applications such as mobile phones. This board showcases the A version of this part in the TSSOP-14 package. This part is capable of delivering 27 mW of continuous average power into a 16 Ω load from a 2.7 V power supply with a THD+N of 1%.
Based on the power supply delivered to the device, an internal power management block generates a symmetrical positive and negative voltage. Thus, the internal amplifiers provide outputs referenced to Ground. In this True Ground configuration, the two external heavy coupling capacitors can be removed. It offers significant space and cost savings compared to a typical stereo application.

  • Pop and Click Noise Protection Circuitry.
  • Ultra Low Current Shutdown Mode
  • 2.7 V-5.0 V Operation
  • Thermal Overload Protection Circuitry

Evaluation/Development Tools

Product

Type

Ref. Design

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Part Used

Action

Dual Audio Power Evaluation Board

Evaluation Board

No

Active

$35

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Technical Documentation

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NCP2811ADTBRGEVB_SCHEMATIC.PDF

0

Eval Board: Schematic

238.59 KB

EN

Eval Board: Schematic

June 30, 2010

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NCP2811ADTBRGEVB_GERBER.ZIP

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Eval Board: Gerber

67.58 KB

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Eval Board: Gerber

June 30, 2010

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NCP2811ADTBRGEVB_TEST_PROCEDURE.PDF

2

Eval Board: Test Procedure

158.72 KB

EN

Eval Board: Test Procedure

June 30, 2010

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NCP2811ADTBRGEVB_BOM_ROHS.PDF

0

Eval Board: BOM

155.65 KB

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Eval Board: BOM

June 30, 2010

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