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TDA7297 Dual Bridge Amplifier: CAD Models, Datasheet, Features

TDA7297 Dual Bridge Amplifier: CAD Models, Datasheet, Features

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  • Time of issue:2022-08-10 16:11
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(Summary description)TDA7297 Dual Bridge Amplifier: CAD Models, Datasheet, Features

TDA7297 Dual Bridge Amplifier: CAD Models, Datasheet, Features

(Summary description)TDA7297 Dual Bridge Amplifier: CAD Models, Datasheet, Features

  • Categories:News
  • Author:
  • Origin:
  • Time of issue:2022-08-10 16:11
  • Views:
Information

Product Overview

The TDA7297 is a dual bridge amplifier specially designed for TV and Portable Radio applications.

TDA7297 CAD Models

TDA7297 PCB Symbol

Figure: TDA7297 PCB Symbol

 

 

TDA7297 Footprint

Figure: TDA7297 Footprint

 

 

TDA7297 3D Models

Figure: TDA7297 3D Models

 

TDA7297 Pin Connection

TDA7297 Pin Connection

Figure: TDA7297 Pin Connection

 

TDA7297 Block Diagram

TDA7297 Block Diagram

Figure: TDA7297 Block Diagram

 

TDA7297 Features

  • Wide Supply Voltage Range (6V -18V)

  • Minimum External Components

– No Svr Capacitor

– No Bootstrap

– No Boucherot Cells

– Internally Fixed Gain

  • Stand-By & Mute Functions

  • Short Circuit Protection

  • Thermal Overload Protection

 

TDA7297 Packaging Dimensions

TDA7297 Packaging Dimensions

Figure: TDA7297 Packaging Dimensions

 

TDA7297 Datasheet

You can download the datasheet from the link given below:

TDA7297 Datasheet

 

TDA7297 Specifications

Product Attribute Attribute Value
Manufacturer: STMicroelectronics
Product Category: Audio Amplifiers
Series: TDA7297
Product: Audio Amplifiers
Class: Class-AB
Output Power: 15 W
Mounting Style: Through Hole
Type: 2-Channel Stereo
Package / Case: Multiwatt-15
Audio - Load Impedance: 8 Ohms
THD plus Noise: 0.10%
Supply Voltage - Max: 18 V
Supply Voltage - Min: 6.5 V
Operating Temperature: 0°C ~ 70°C (TA)
Packaging: Tube
Brand: STMicroelectronics
Description/Function: Speaker
Gain: 32 dB
Height: 10.7 mm
Input Type: Single
Length: 19.6 mm
Number of Channels: 2 Channel
Operating Supply Current: 2 A
Operating Supply Voltage: 9 V, 12 V, 15 V
Output Current: 2 A
Output Signal Type: Differential
Pd - Power Dissipation: 33000 mW
Product Type: Audio Amplifiers
PSRR - Power Supply Rejection Ratio: 56 dB
Subcategory: Audio ICs
Supply Type: Single
Width: 5 mm
Unit Weight: 0.255983 oz

 

TDA7297 Manufacturer

STMicroelectronics is a French-Italian multinational electronics and semiconductors manufacturer headquartered in Plan-les-Ouates near Geneva, Switzerland. The company resulted from the merger of two government-owned semiconductor companies in 1987: "Thomson Semiconducteurs" of France and "SGS Microelettronica" of Italy. It is commonly called "ST", and it is Europe's largest semiconductor chip maker based on revenue. While STMicroelectronics corporate headquarters and the headquarters for EMEA region are based in the Canton of Geneva, the holding company, STMicroelectronics N.V. is incorporated in the Netherlands.

 

Using Warning

Note: Please check their parameters and pin configuration before replacing them in your circuit.

 

TDA7297 FAQ

What is TDA7297?

The TDA7297 is a 15-W dual-bridge amplifier specially designed for audio applications with two speakers. It has a wide supply voltage range of 6 V to 18 V, maximum output current of 2,000 mA, and maximum quiescent current of 65 mA when operating at 16.5 V.

 

Are TDA7296 and TDA7297 interchangeable?

TDA7296 and TDA7297 are not interchangeable, although the package is the same, the internal structure is too different: Tda7296-70v-60w DMOS AUDIO AMPLIFIER WITH MUTE/ST-BY +35V/-35V, single circuit 60W AUDIO AMPLIFIER WITH MUTE/ standby function. Tda7297-15 +15W DUAL BRIDGE AMPLIFIER (BTL), operating voltage 6V~18V, also with mute and standby function.

 

What is a dual bridge amplifier?

The IC is a dual bridge amplifier, meaning it requires both left and right audio input to provide a stereo output. The output is also split into channel 1 and channel 2 each capable of driving 15W speakers. The IC also comes in with a built-in mute function and stand-by function.

 

What is a bridge amplifier?

Bridging an amplifier refers to the process of combining two of four channels into one or two channels with half the ohms. The technique has become very popular among many car owners because it allows amplifiers to send out a more powerful mono signal to the subwoofer or speakers.

 

How does a bridged amplifier work?

To operate an amp in bridged mode, a single input signal enters the amplifier and is split into two identical signals. One has its polarity inverted. The original signal is sent to one channel of the amp and the inverted signal is sent to the other channel.

 

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