- Datasheet Download Datasheet
- Stock & Prices $ Price & Stock for TDA7448
- Part Number TDA7448
- Manufacturer STMicroelectronics
- Pin Count 20
- Part Category Integrated Circuit
- Package Category Small Outline Packages
- Footprint Name Small Outline Packages - SOP-20A
- Released Date Sep 4, 2023
- Last Modified Date Jan 8, 2026 2:31 PM UTC
- Pinout / Pin List Click Here (Member Only)
TDA7448 Details
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Manufacturer Part Number:
TDA7448
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Brand Name:
STMicroelectronics
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Rohs Code:
Yes
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Part Life Cycle Code:
Obsolete
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Part Package Code:
SOIC
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Package Description:
SO-20
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Pin Count:
20
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ECCN Code:
EAR99
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HTS Code:
8542.39.00.60
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Manufacturer:
STMicroelectronics
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YTEOL:
0
TDA7448 Frequently Asked Questions (FAQs)
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The maximum power dissipation of the TDA7448 is 1.4 W, but it can be increased to 2.1 W if the device is mounted on a PCB with a thermal pad.
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To ensure proper biasing, the TDA7448 requires a stable voltage supply, and the input voltage should be decoupled with a 10 μF capacitor. Additionally, the output stage should be biased with a 1 kΩ resistor and a 10 μF capacitor.
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To minimize EMI, it is recommended to keep the input and output traces as short as possible, and to use a ground plane to shield the device. Additionally, the power supply traces should be kept away from the input and output traces.
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Yes, the TDA7448 can be used in a bridged amplifier configuration, but it requires a specific layout and component selection to ensure proper operation. A detailed application note is available from STMicroelectronics for guidance.
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The thermal resistance of the TDA7448 is 35°C/W for the junction-to-ambient thermal resistance (RθJA) and 10°C/W for the junction-to-case thermal resistance (RθJC).
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TDA7448 Overview
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About STMicroelectronics
STMicroelectronics (ST) is a global semiconductor company that designs, manufactures, and markets a broad range of integrated circuits (ICs), discrete devices, and other electronic components.
STMicroelectronics offers a diverse portfolio of semiconductor products covering a wide range of applications and industries. Their product categories include microcontrollers, analog and mixed-signal ICs, MEMS (Micro-Electro-Mechanical Systems) sensors, power management ICs, RF (Radio Frequency) transceivers, aut