# TDA7850 (Component)
## Description
Amplifier IC 4-Channel (Quad) Class AB 25-Flexiwatt (Vertical)
4-Channel Class AB Audio Power Amplifier designed for automotive audio applications, integrating a MOSFET output stage with four bridge outputs. It operates from an 8–18 V supply and delivers up to 4 × 50 W into 4 Ω or 4 × 85 W maximum into 2 Ω, with 26 dB voltage gain, standby/mute functions, and output protection features. Available in a 25-pin Flexiwatt25 package. #AudioAmplifier #ClassAB #Automotive #PowerAmplifier #STMicroelectronics
## Component Details
- **Owner:** silicon-yard
- **Created:** 8/10/2026
- **Last Updated:** 8/10/2026
- **Visibility:** Public
- **Datasheet URL:** https://www.st.com/content/ccc/resource/technical/document/datasheet/aa/b9/39/61/94/a1/42/91/CD00145702.pdf/files/CD00145702.pdf/jcr:content/translations/en.CD00145702.pdf
- **Part Type:** Integrated Circuit
- **Symbol Style:** parametric-v1
- **License:** https://creativecommons.org/licenses/by/4.0/
- **Manufacturer Part Number:** TDA7850
- **Manufacturer Name:** STMicroelectronics
## Distributor Pricing (qty 1)
*Pricing shown for quantity 1. For price breaks and other quantities, open in Flux.*
| Distributor | Unit Price (qty 1) | Stock |
|------------|--------------------|-------|
| [Arrow](https://www.arrow.com/en/products/tda7850/stmicroelectronics.html?utm_currency=USD®ion=nac) | N/A | N/A |
| [LCSC](https://www.lcsc.com/product-detail/C91679.html) | $6.1484 | 42 |
| [TME](https://www.tme.com/us/en-us/katalog/?queryPhrase=TDA7850) | $11.61 | 17 |
| [Verical](https://www.verical.com/pd/stmicroelectronics-amplifier---audio-TDA7850-709782) | N/A | N/A |
- **Part Type:** Integrated Circuits
- **Sub-Type:** Logic
- **Manufacturer:** STMicroelectronics
- **MPN:** TDA7850
- **Mount Type:** Vertical
- **Package / Case Code:** TO
- **Pin Count:** 25
- **Logic Function:** AND
## Pins
| Pin | Name | Type |
|-----|------|------|
| 1 | TAB | |
| 2 | P-GND2 | |
| 3 | OUT2- | |
| 4 | ST-BY | |
| 5 | OUT2 | |
| 6 | VCC | |
| 7 | OUT1- | |
| 8 | P-GND1 | |
| 9 | OUT1 | |
| 10 | SVR | |
| 11 | IN1 | |
| 12 | IN2 | |
| 13 | S-GND | |
| 14 | IN4 | |
| 15 | IN3 | |
| 16 | AC-GND | |
| 17 | OUT3 | |
| 18 | P-GND3 | |
| 19 | OUT3- | |
| 20 | VCC_1 | |
| 21 | OUT4 | |
| 22 | MUTE | |
| 23 | OUT4- | |
| 24 | P-GND4 | |
| 25 | HSD | |
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*Generated from [https://www.flux.ai/silicon-yard/tda7850](https://www.flux.ai/silicon-yard/tda7850)*