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TDA7256 The ST TDA7256 is a class AB fully protected bridge power amplifier designed for car radio applications. It offers high current capability for low impedance loads.
Mfr Part #:

TDA7256

Available from 1 distributors
Mfr Name: STMicroelectronics
STMicroelectronics
The ST TDA7256 is a class AB fully protected bridge power amplifier designed for car radio applications. It offers high current capability for low impedance loads.
✓ Total Stock: 4 pcs
$ Price Range: $1.92

TDA7256 Available from 1 distributor

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TDA7256 Specifications Quick View

Most important parameters for selection – full specs in datasheet.
Category
Manufacturer Name
AEC Qualified
Automotive Grade
Bandwidth
Industrial Grade
Medical Grade
Military Grade
Mounting Type
Number of Circuits
Quiescent Current
Storage Temperature
Tape & Reel
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TDA7256 Description

Short technical summary and product information.

The STMicroelectronics TDA7256 is a Class AB bridge power amplifier engineered for automotive radio systems. This component is designed to drive low impedance loads, supporting up to 2Ω.

 

Key electrical specifications include a wide operating voltage range from 8V to 18V, with a typical operating voltage of 15V. It draws a quiescent current of 80mA and a maximum supply current of 150mA. The amplifier provides a bandwidth of 22kHz and a voltage gain of 36dB, with a Common Mode Rejection Ratio (CMRR) of 60dB.

 

Thermal characteristics are also notable, with a maximum power dissipation of 30W and an operating temperature range from -40°C to 150°C. The TDA7256 is housed in a MULTIWATT11 package and utilizes a through-hole mounting type.

 

This amplifier incorporates a delay circuit for popless turn-on, ensuring a clean audio signal during power transients.

TDA7256 Quick Information

Product Type: Power Amplifier
Canonical Name: Class AB Bridge Power Amplifier
Subcategory: Linear Regulator Controllers

TDA7256 Compliance

RoHS Status: RoHS Compliant
Moisture Sensitivity Level (MSL): 1 Unlimited
REACH Status: REACH Unaffected

TDA7256 Estimated Pricing

Qty Low High
1+ $1.92 $1.92

Estimated market price range - modelled values for guidance only, not live distributor offers.

TDA7256 Features

  • Class AB bridge power amplifier.
  • Designed for car radio applications.
  • Drives low impedance loads up to 2Ω.
  • Wide 8V to 18V operating voltage.
  • Popless turn-on delay circuit.

TDA7256 Applications

  • Used in power management circuits
  • Suitable for voltage regulation applications
  • Ideal for embedded systems requiring stable power
  • Mounts via through-hole in electronic assemblies

TDA7256 FAQs

5 frequently asked questions generated from this part’s specifications.
What is the operating voltage range for the TDA7256?

The TDA7256 operates within a voltage range of 8V to 18V.

What is the maximum power dissipation of the TDA7256?

The maximum power dissipation for the TDA7256 is 30W.

What is the operating temperature range for the TDA7256?

The TDA7256 can operate between -40°C and 150°C.

What type of package is the TDA7256 in?

The TDA7256 is supplied in a MULTIWATT11 package.

How does the TDA7256 handle turn-on transients?

The TDA7256 is fully popless at turn-on thanks to a delay circuit that keeps the output low during capacitor charge.

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