STA540

Active

4 x 13 W dual/quad power amplifier

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Product overview

Description

The STA540 is a 4-channel, class-AB audio amplifier designed for high quality sound applications. The amplifiers have single-ended outputs with integrated short-circuit protection, thermal protection and diagnostic functions.
The chip is housed in the 15-pin Multiwatt ECOPACK®Pb-free package which is RoHS (2002/95/EC) compliant.
  • All features

    • High output power capability
      • 2x 38 W into 4 Ω at 18 V, 1 kHz, 10% THD
      • 2x 34 W into 8 Ω at 22 V, 1 kHz, 10% THD
      • 2x 24W into 4Ω at 14.4 V, 1 kHz, 10% THD
      • 2x 15 W into 8 Ω at 16 V, 1 kHz, 10% THD
      • 4x 13 W into 2 Ω at 15 V, 1 kHz, 10% THD
      • 4x 11 W into 4 Ω at 18 V, 1 kHz, 10% THD
      • 4x 7 W into 4 Ω at 14.4 V, 1 kHz, 10% THD
    • Minimum external components count:
      • no bootstrap capacitors
      • no Boucherot cells
      • internally fixed gain 20 dB
    • Standby function (CMOS compatible)
    • No audible pop during standby operations
    • Diagnostic facilities:
      • clip detector
      • output to GND short-circuit detector
      • output to VS short-circuit detector
      • soft short-circuit check at turn-on
      • thermal shutdown warning
    • Protection
      • Output AC/DC short circuit
      • Soft short-circuit check at turn-on
      • Thermal cutoff/limiter to prevent chip from overheating
      • High inductive loads
      • ESD

Circuit Diagram

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STMicroelectronics - STA540

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Quality and Reliability

Part Number Marketing Status Package Grade RoHS Compliance Grade Material Declaration**
STA540
Active
MW 15L Industrial Ecopack2

STA540

Package:

MW 15L

Material Declaration**:

Marketing Status

Active

Package

MW 15L

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.

Sample & Buy

Part Number
Order from Distributors
Order from ST
Marketing Status
ECCN (US)
ECCN (EU)
Packing Type
Package
Temperature (°C) Country of Origin
Budgetary Price (US$)*/Qty
min
max
STA540 Available at 2 distributors

Distributor availability ofSTA540

Distributor Name
Region Stock Min. Order Third party link
DIGIKEY WORLDWIDE 2096 1 Order Now
RS COMPONENTS EUROPE 445 1 Order Now

Distributor reported inventory date: 2021-04-20

Distributor Name

DIGIKEY

Stock

2096

Min.Order

1

Region

WORLDWIDE Order Now

RS COMPONENTS

Stock

445

Min.Order

1

Region

EUROPE Order Now

Distributor reported inventory date: 2021-04-20

Active
EAR99 NEC Tube MW 15L - - MOROCCO 2.13 / 1k

STA540

Marketing Status

Active

ECCN (US)

EAR99

Budgetary Price (US$)*/Qty

2.13 / 1k

Distributor availability ofSTA540

Distributor Name
Region Stock Min. Order Third party link
DIGIKEY WORLDWIDE 2096 1 Order Now
RS COMPONENTS EUROPE 445 1 Order Now

Distributor reported inventory date: 2021-04-20

Distributor Name

DIGIKEY

Stock

2096

Min.Order

1

Region

WORLDWIDE Order Now

RS COMPONENTS

Stock

445

Min.Order

1

Region

EUROPE Order Now

Distributor reported inventory date: 2021-04-20

ECCN (EU)

NEC

Packing Type

Tube

Package

MW 15L

Operating Temperature (°C)

(min)

-

(max)

-

Budgetary Price (US$)* / Qty

2.13 / 1k

Country of Origin

MOROCCO

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