- Datasheet Download Datasheet
- Stock & Prices $ Price & Stock for TDA7449L
- Part Number TDA7449L
- Manufacturer STMicroelectronics
- Pin Count 20
- Part Category Integrated Circuit
- Package Category Dual-In-Line Packages
- Footprint Name Dual-In-Line Packages - DIP20_STM
- Released Date Sep 6, 2018
- Last Modified Date Mar 7, 2023 4:10 PM UTC
- Pinout / Pin List Click Here (Member Only)
TDA7449L Details
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Manufacturer Part Number:
TDA7449L
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Pbfree Code:
Yes
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Rohs Code:
Yes
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Part Life Cycle Code:
Obsolete
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Part Package Code:
DIP
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Package Description:
DIP-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
TDA7449L Frequently Asked Questions (FAQs)
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The recommended PCB layout for the TDA7449L is to keep the input and output tracks as short as possible, and to use a ground plane to minimize electromagnetic interference (EMI). Additionally, it is recommended to place decoupling capacitors close to the device pins to reduce noise and improve stability.
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To ensure the TDA7449L is properly powered, make sure to provide a stable power supply voltage within the recommended range (typically 5V to 15V), and use a suitable voltage regulator to minimize voltage drops and noise. Also, ensure that the power supply can provide sufficient current to drive the load.
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The maximum output current of the TDA7449L depends on the specific application and the load connected to the device. However, the typical output current is around 1A per channel, and the maximum output current is around 2A per channel. It is recommended to check the datasheet and application notes for specific guidance on output current limitations.
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The TDA7449L can be configured for different audio applications by adjusting the gain settings, input impedance, and output impedance. For example, for a line-level input, the gain can be set to 0dB, while for a microphone input, the gain can be set to 20dB or higher. Additionally, the input impedance can be adjusted to match the impedance of the input source, and the output impedance can be adjusted to match the impedance of the load.
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The TDA7449L has a maximum junction temperature of 150°C, and it is recommended to keep the device temperature below 120°C to ensure reliable operation. To achieve this, it is recommended to use a heat sink, ensure good airflow around the device, and avoid high ambient temperatures.
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TDA7449L 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