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Product Detailed Parameters
- Description：IC AMP AB STEREO 25W 11MULTIWATT
- Series：-
- Mfr：STMicroelectronics
- Package：Tube
- Type：Class AB
- Output Type：2-Channel (Stereo)
- Max Output Power x Channels @ Load：25W x 2 @ 8Ohm
- Voltage - Supply：±5V ~ 25V
- Features：Depop, Mute, Short-Circuit and Thermal Protection, Standby
- Mounting Type：Through Hole
- Supplier Device Package：11-Multiwatt
- Package / Case：Multiwatt-11 (Vertical, Bent and Staggered Leads)
- Operating Temperature：-20°C ~ 85°C (TA)
- Grade：-
- Qualification：-
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Overview
The TDA7265 is a Class AB dual audio power amplifier designed for high-fidelity sound applications. It delivers 25W + 25W output at THD=10% with an 8Ω load and ±20V split supply. The device operates on a wide supply voltage range from ±5V to ±25V. Key electrical parameters include a maximum dissipation of 30W, a quiescent current of 80mA in standby, and a gain of 80dB. It features thermal overload and short-circuit protection, mute functionality for pop-free operation, and a low-power standby mode.
Feature Summary
- Integrated mute and standby functions for low quiescent current consumption and pop-free switching
- Built-in thermal overload and short-circuit protection mechanisms
- Designed for high-quality sound reproduction in stereo systems
Applications
- Hi-Fi music centers
- Stereo TV sets
- High-quality sound application systems
Procurement Notes
Verify the specific suffix (e.g., A or B) against the datasheet to ensure correct pinout and feature alignment. Confirm package type Multiwatt-11 availability and check RoHS compliance status. Validate operating temperature ranges (-20°C to 85°C) against environmental requirements. Ensure supply voltage limits do not exceed ±25V absolute maximum ratings during procurement planning.
Selection Notes
Select this component for stereo audio designs requiring robust protection features and high output power within a single package. Consider the Multiwatt-11 footprint for through-hole mounting. Evaluate the need for split versus single supply configurations based on system architecture. Verify that the required output power aligns with the 25W per channel specification under the intended load and voltage conditions.
Part Context
The TDA7265 belongs to STMicroelectronics' TDA7265 series of audio amplifiers. It is distinct from related models like the TDA7266, which offers different power outputs and bridge configurations. The device is specifically engineered for dual-channel applications, contrasting with mono amplifier variants in the broader product line.
Replacement Considerations
Check for direct substitutes within the TDA7265 family, such as TDA7265A or TDA7265B, ensuring pin compatibility. Verify if alternative packages or suffixes offer identical electrical characteristics without redesigning the PCB layout.
