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Product Detailed Parameters
- Description：IC AMP CLASS AB DUAL/QUAD 35W
- Series：-
- Mfr：STMicroelectronics
- Package：Tube
- Type：Class AB
- Output Type：2-Channel (Stereo) or 4-Channel (Quad)
- Max Output Power x Channels @ Load：35W x 2 @ 4Ohm; 10W x 4 @ 2Ohm
- Voltage - Supply：8V ~ 18V
- Features：Depop, Short-Circuit and Thermal Protection, Standby
- Mounting Type：-
- Supplier Device Package：-
- Package / Case：-
- Operating Temperature：-
- Grade：-
- Qualification：-
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Overview
The TDA7377A is a dual bridge power amplifier designed for automotive audio applications. It delivers high output power with low harmonic distortion and minimal external components. The device integrates protection circuits including thermal shutdown, short-circuit protection, and load dump suppression. It operates from a single DC supply voltage, simplifying installation in vehicle electrical systems. The amplifier supports various speaker configurations through its bridgeable channel architecture.
Feature Summary
- Integrated dual bridge amplifier topology for flexible speaker configuration
- Built-in thermal overload and short-circuit protection mechanisms
- Single-supply operation compatible with standard automotive electrical systems
- Low harmonic distortion performance for high-fidelity audio reproduction
Applications
- Automotive door speaker amplification
- Car audio center channel amplification
- Vehicle rear speaker amplification
- Compact car stereo system integration
Procurement Notes
Verify the exact ordering code suffix to confirm package type and temperature range specifications. Confirm RoHS compliance status and manufacturing origin through official STMicroelectronics documentation. Check for any specific handling requirements during storage and assembly processes.
Selection Notes
Consider the required output power levels against the amplifier's capabilities at your target supply voltage. Evaluate thermal management needs based on enclosure design and ambient operating conditions. Verify compatibility with existing speaker impedance values and source signal levels.
Part Context
This component belongs to STMicroelectronics' TDA73xx series of automotive audio power amplifiers. The series provides solutions for various car audio configurations ranging from mono to multi-channel setups. These amplifiers are engineered specifically for the harsh electrical environment found in modern vehicles.
Replacement Considerations
Direct replacements include other TDA7377 variants with different suffixes indicating package or temperature variations. Cross-reference pin compatibility and electrical specifications before substituting with similar automotive amplifier ICs from other manufacturers.
