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STD TDA7294 Audio Amp
License: Public Domain
Mode: Editors' pick
- 0
Update time：
2023-05-20 03:28:13
Creation time：
2019-12-31 05:10:17
Description
Preliminary design for a 100W subwoofer amplifer. Some issues: wrong connections to audio jack, pull-up issues (not needed voltage division)
DO NOT USE
Design Drawing
schematic diagram
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PCB
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| ID | Name | Designator | Footprint | Quantity | BOM_Supplier | BOM_Manufacturer | BOM_Manufacturer Part | BOM_Supplier Part |
|---|---|---|---|---|---|---|---|---|
| 1 | PJ-3240-5A | AUDIO1 | AUDIO-TH_PJ-3240-5A | 1 | LCSC | HRO | PJ-3240-5A | C145814 |
| 2 | 4.7K | R8 | 1206 | 1 | LCSC | UniOhm | 1206W4F4701T5E | C17936 |
| 3 | DBT10-8.5-3P | U4 | CONN-TH_3P-P8.50_DBT10-8.5-3P | 1 | LCSC | DIBO | DBT10-8.5-3P | C395933 |
| 4 | 22uF | C9,C10 | 1206 | 2 | LCSC | FH | 1206B226K100NT | C105475 |
| 5 | 4700uF | C15,C8 | CAP-TH_BD18.0-P7.50-D1.2-FD | 2 | LCSC | LCSC | - | C92163 |
| 6 | DSIC02LSGET | SW3 | SWITCH-KE-2BIT/2.54_SMD | 1 | LCSC | KE | DSIC02LSGET | C54949 |
| 7 | 100nF | C4,C3,C5,C6 | 1206 | 4 | LCSC | AVX | 12061C104KAT2A | C167386 |
| 8 | 680 | R6 | 1206 | 1 | LCSC | UniOhm | 1206W4F6800T5E | C17975 |
| 9 | 470nF | C1 | 1206 | 1 | LCSC | FH | 1206B474K500NT | C1871 |
| 10 | 22K | R5,R7,R4 | 1206 | 3 | LCSC | YAGEO | AC1206FR-0722KL | C229456 |
| 11 | DBT10-8.5-2P | U2 | CONN-TH_DBT10-8.5-2P | 1 | LCSC | DIBO | DBT10-8.5-2P | C395932 |
| 12 | 13K | R2,R3 | 1206 | 2 | LCSC | LIZ Elec | CR1206F41302G | C102084 |
| 13 | TDA7294V | U1 | MULTIWATT-15_L19.6-W5.0-P1.27-L | 1 | LCSC | STMicroelectronics | TDA7294V | C10068 |
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