STA518

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40 V, 3.5 A quad power half-bridge digital audio amplifier

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Product overview

Description

The STA518 is a monolithic quad half-bridge stage in multipower BCD technology. The device can be used also as dual bridge or reconfigured, by connecting the CONFIG pin to the Vddpin, as a single bridge with double current capacity.

The device is particularly designed to make the output stage of a stereo all-digital high-efficiency (DDX™) amplifier capable of delivering an output power of 24 W x 4 channels @ THD = 10% at VCC30 V into a 4 Ω load in single-ended configuration.

It can also deliver 50 + 50 W @ THD = 10% at VCC29 V as output power into an 8 Ω load in BTL configuration and 70 W @ THD = 10% at VCC34 V into 8 Ω in a single paralleled BTL configuration.

The input pins have a threshold proportional to the VLpin voltage.

  • All features

    • Multipower BCD technology
    • Minimum input output pulse width distortion
    • 200 mΩ RdsONcomplementary DMOS output stage
    • CMOS-compatible logic inputs
    • Thermal protection
    • Thermal warning output
    • Undervoltage protection
    • Short-circuit protection

Circuit Diagram

EDA Symbols, Footprints and 3D Models

STMicroelectronics - STA518

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Quality and Reliability

Part Number Marketing Status Package Grade RoHS Compliance Grade Material Declaration**
STA51813TR
Active
PowerSSO 36 Industrial Ecopack2

STA51813TR

Package:

PowerSSO 36

Material Declaration**:

PDF XML

Marketing Status

Active

Package

PowerSSO 36

Grade

Industrial

RoHS Compliance Grade

Ecopack2

(**) The Material Declaration forms available on st.com may be generic documents based on the most commonly used package within a package family. For this reason, they may not be 100% accurate for a specific device. Please contact our sales support for information on specific devices.

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STA51813TR
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STA51813TR Active

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STA51813TR

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(*) Suggested Resale Price (USD) per defined quantity for BUDGETARY USE ONLY. For quotes, prices in local currency, please contact your local ST Sales Office or our Distributors