- Datasheet Download Datasheet
- Stock & Prices $ Price & Stock for TDA7261
- Part Number TDA7261
- Manufacturer STMicroelectronics
- Pin Count 8
- Part Category Integrated Circuit
- Package Category Transistor Outline, Vertical
- Footprint Name Transistor Outline, Vertical - Multiwatt 8_1
- Released Date Aug 22, 2026
- Last Modified Date Aug 22, 2026 1:01 PM UTC
- Pinout / Pin List Click Here (Member Only)
TDA7261 Details
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Manufacturer Part Number:
TDA7261
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Rohs Code:
Yes
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Part Life Cycle Code:
Obsolete
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Part Package Code:
ZFM
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Package Description:
MULTIWATT-8
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Pin Count:
8
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ECCN Code:
EAR99
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HTS Code:
8542.33.00.01
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Manufacturer:
STMicroelectronics
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YTEOL:
0
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Bandwidth-Nom:
22 kHz
TDA7261 Frequently Asked Questions (FAQs)
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A good PCB layout for the TDA7261 involves keeping the audio signal paths as short as possible, using a ground plane, and placing decoupling capacitors close to the IC. Additionally, it's recommended to keep the power supply lines away from the audio signal lines and to use a common mode filter to reduce EMI.
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The input capacitor values for the TDA7261 depend on the input impedance of the source and the desired high-pass filter cutoff frequency. A good starting point is to use a 1-10uF capacitor in series with a 1-10kΩ resistor to form a high-pass filter with a cutoff frequency around 10-100Hz.
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The maximum power dissipation of the TDA7261 is dependent on the ambient temperature and the thermal resistance of the package. The datasheet provides a formula to calculate the maximum power dissipation based on the ambient temperature and the thermal resistance. Typically, the maximum power dissipation is around 2-3W for the DIP package and 1-2W for the SO package.
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The TDA7261 has built-in overvoltage protection, but it's still recommended to add external protection circuitry such as a voltage regulator or a transient voltage suppressor to protect the IC from overvoltage conditions. For undervoltage protection, a voltage supervisor or a reset IC can be used to reset the system or put it into a low-power state when the voltage drops below a certain threshold.
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The recommended mute timing for the TDA7261 is around 10-20ms to prevent audible clicks. This can be achieved using an external timer or a microcontroller to control the mute pin.
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TDA7261 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