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STD Headphone amp with volume regulator
License: GPL 3.0
Mode: Editors' pick
- 0
Update time：
2023-09-18 23:46:19
Creation time：
2019-09-21 22:17:32
Description
pga4311 volume regulator
Design Drawing
schematic diagram
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PCB
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| ID | Name | Designator | Footprint | Quantity | |
|---|---|---|---|---|---|
| 1 | 100nF | C1,C3,C100,C102,C103,C104 | CBB CAP | 6 | |
| 2 | 100uF | C2,C4 | CAP-TH_D1.00-W5.00-PITCH5.00 | 2 | |
| 3 | 0 | R1,R2,R3,R4 | R8 | 4 | |
| 4 | PGA4311U | U8 | SOIC-28_300MIL | 1 | |
| 5 | OutJack | OUTPUT1 | AUDIO-JACK-KIT | 1 | |
| 6 | 50R | R100,R101 | R8 | 2 | |
| 7 | 1K | R102,R103,R104,R105 | R8 | 4 | |
| 8 | 10R | R106,R107 | R8 | 2 | |
| 9 | TPA6120A2DWP | U100 | TI-DWP20-3730X2350TP_N | 1 | |
| 10 | To MCU | P1 | HDR-5X1/2.54 | 1 | |
| 11 | 100 | R300,R301,R302,R303 | R0603 | 4 | |
| 12 | 4.7K | R304,R305,R306,R307 | R8 | 4 | |
| 13 | PC817C | U300,U301,U302,U303 | PC817C SMD | 4 | |
| 14 | 220uF | C5,C6,C9,C10,C11,C12,C13 | CAPPR5-10X12.5 | 7 | |
| 15 | 2200uF | C7,C8 | CAPPR5-13X25 | 2 | |
| 16 | 1N4007 | D1 | DO-41 | 1 | i60Uc6M3X |
| 17 | 2 | R200,R201,R202,R203 | 1206 | 4 | |
| 18 | MC7812ABD2T | U200 | D2PAK-3 | 1 | |
| 19 | MC7912ACD2T | U201 | D2PAK-3 | 1 | |
| 20 | REG1117-5 | U202 | SOT-223 | 1 | |
| 21 | 7805L | U203 | TO92 | 1 | |
| 22 | 7905L | U204 | TO92 | 1 |
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