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TDA7451

TDA7451

TDA7451

STMicroelectronics

4A mA 22 kHz kHz 32W W Audio Amplifiers 25 pins 25-Flexiwatt (Formed Leads)

SOT-23

TDA7451 Datasheet PDF

non-compliant

Technical Specifications

Parameter NameValue
TypeParameter
Mount Through Hole
Mounting Type Through Hole
Package / Case 25-Flexiwatt (Formed Leads)
Number of Pins 25
Operating Temperature-40°C~150°C TJ
PackagingTube
Feature Depop, Mute, Short-Circuit and Thermal Protection, Standby
Part StatusObsolete
Moisture Sensitivity Level (MSL) 3 (168 Hours)
Number of Terminations 25
ECCN Code EAR99
Type Class AB
HTS Code8542.33.00.01
Max Power Dissipation55W
Terminal Position ZIG-ZAG
Number of Functions 1
Terminal Pitch1mm
Base Part Number TDA7451
Pin Count25
Output Type 2-Channel (Stereo) or 4-Channel (Quad)
Supply Voltage-Min (Vsup) 8V
Number of Channels 4
Max Supply Voltage18V
Nominal Supply Current4A
Output Power32W
Supply Type Single
Bandwidth 22 kHz
Voltage Gain 26dB
Power Supply Rejection Ratio (PSRR) 55dB
Gain 26 dB
Max Output Power32W
Max Output Power x Channels @ Load 32W x 2 @ 4 Ω; 9.5W x 4 @ 4 Ω
Harmonic Distortion 10%
Radiation HardeningNo
RoHS StatusROHS3 Compliant
In-Stock:4506 items

Pricing & Ordering

QuantityUnit PriceExt. Price
357$10.85000$3873.45

TDA7451 Product Details

TDA7451 Overview


This package is embedded in 25-Flexiwatt (Formed Leads) .This device is packaged in the way of Tube .25 terminations occur when a transmission line is terminated by a device with the same characteristic impedance as the transmission line.Amp parts uses 2-Channel (Stereo) or 4-Channel (Quad) as the output.Class AB is the type of this electrical device.Computers or other communication devices have 25 pins, which are pronged contacts.Amp parts is mounted in the way of Through Hole .Amp parts is equipped wAmp partsh 4 channels.When operating, it is possible to ensure Depop, Mute, Short-Circuit and Thermal Protection, Standby .Ideally, the operating temperature should not exceed -40°C~150°C TJ .The device is equipped with 25 pins.This item belongs to the family of TDA7451 .There is an electronic component mounted in the way of Through Hole .A maximum output power of 32W kWh per hour can be achieved with this electronic part.Amp parts is recommended that the supply voltage (Vsup) be maintained above 8V for normal operation.There is a supply type of Single for this electronic part.When the supply voltage is set to 18V , it operates at maximum capacity.

TDA7451 Features


25-Flexiwatt (Formed Leads) package
25 pin count
TDA7451 family
32W kWh per hour


TDA7451 Applications


There are a lot of STMicroelectronics
TDA7451 audio amplifiers applications.


  • Addition and subtraction operation circuits
  • single/dual op amp sum and difference circuits
  • Integrator and differentiator circuits
  • Logarithmic and exponential operation circuits
  • Multiplication and division circuits
  • Precision measurement
  • Power control
  • Information processing
  • Weak signal detection
  • Signal amplification

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