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TDA7850
TDA7850
| Part Number | TDA7850 |
| Manufacturer | STMicroelectronics |
| Category | Audio IC > Power Audio Amplifier IC > Automotive Class AB Power Amp |
| Description | 4-Channel Class AB Car Audio Power Amplifier IC, High Output Power for Automotive Radio &85Wx4@2Ω, Car Stereo System,FLEXIWATT-25 Package |
Product Overview
The TDA7850 is a high-performance four-channel class AB audio power amplifier IC manufactured by STMicroelectronics, specially optimized for automotive in-car audio systems. Designed for 12V vehicle battery supply environment, this amplifier delivers high continuous output power with low distortion and excellent thermal stability. Built-in multiple protection functions including short-circuit protection, over-temperature shutdown, load dump and reverse voltage protection to guard against abnormal automotive power fluctuation damage. Standard multi-lead through-hole package facilitates reliable PCB soldering and heat sink installation, widely adopted for factory car radios, aftermarket car stereo upgrade and vehicle multimedia audio amplifier modules.
Key Specifications
| Brand | STMicroelectronics |
| RoHS | RoHS Compliant |
| EDA / CAD | Symbols, Footprints, 3D Models Available |
| Warranty | 1 Year Standard Warranty |
| Package / Case | FLEXIWATT-25 Package |
| Mounting Type | Through Hole |
| Surface Marking / Silkscreen | TDA7850 |
| Channel Configuration | 4 Channels Class AB Audio Amplifier |
| Supply Voltage | 9V ~ 18V Automotive Battery Range |
| Operating Temperature | -40°C ~ 105°C |
Typical Applications
- OEM Factory Original Car Radio Main Audio Amplifier Circuit
- Aftermarket Upgrade Car Stereo & Multimedia Player Power Stage
- Vehicle 4-Speaker Full Range Audio Drive Control Board
- RV & Commercial Vehicle On-board Audio System Amplifier Unit
- Modified Car Hi-Fi Audio Intermediate Power Amplifier Module
- 12V Industrial Public Address Mini Audio Amplifier Equipment
- Motorhome Built-in Multi-channel Speaker Drive Circuit Design
- DIY 12V Portable High-power Audio Amplifier Development
Order & Shipping Info
Minimum Order Quantity (MOQ): 1 Piece
Shipping Time: Shipped within 1-2 business days
Delivery Time: 3-7 working days worldwide
Shipping Methods: DHL, UPS, FedEx, EMS
Payment Methods: T/T (Bank Transfer), PayPal, Credit Card, Western Union
Technical Support
Frequently Asked Questions
Q1: Is TDA7850 RoHS compliant?
A: Yes, this product fully complies with RoHS environmental standards.
Q2: Can I apply for product samples for testing?
A: Sample service is available, please submit your request via the Quick Inquiry form.
Q3: What is the package and mounting type?
A: It adopts FLEXIWATT-25 through-hole package for PCB soldering and heatsink mounting.
Q4: How many output channels does TDA7850 support?
A: It is 4-channel Class AB audio power amplifier, widely used for full-range car stereo speaker drive.
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