usb-headphone-amp
embediver
USB Headphone Amplifier based on RP2040, PCM5102A and NE5532.
Components (44)
| Reference | Value | Description |
|---|---|---|
| Q1 | IRLML2502 | 5.3A Id, 30V Vds, 27mOhm Rds, N-Channel HEXFET Power MOSFET, SOT-23 |
| U1-U8 | NE5532 | Dual Low-Noise Operational Amplifiers, DIP-8/SOIC-8 |
| U9 | W25Q16JVSS | 16Mbit / 2MiB Serial Flash Memory, Standard/Dual/Quad SPI, 2.7-3.6V, SOIC-8 (208 mil) |
| U10 | WE-TVS-82400102 | Low Capacitance TVS Diode Array, 2 Channels, SOT-23-6 |
| U11 | RP2040 | A microcontroller by Raspberry Pi |
| U12 | PCM5102A | |
| U14 | TPS76933 | Ultra Low Power 100mA Low Drop Out Regulator 3.3V, SOT-23-5 |
| C1,C4,C7,C8,C11-C13,C16-C18,C23,C24,C26,C31-C33,C35-C38,C40,C42,C43,C45,C50,C51,C57-C63 | 100n/16V | Unpolarized capacitor, small symbol |
| C2,C5 | 1n | Unpolarized capacitor, small symbol |
| C3 | 1u/16V | Unpolarized capacitor, small symbol |
| C6,C9,C10,C19,C20 | 10u/16V | Unpolarized capacitor, small symbol |
| C14,C15 | 100p/C0G | Unpolarized capacitor, small symbol |
| C21,C22,C28 | 220u/16V | Polarized capacitor, small symbol |
| C25,C34,C39,C47,C48 | 2u2 | Unpolarized capacitor, small symbol |
| C27 | 680n | |
| C29,C30 | 20p/25V/C0G | Unpolarized capacitor, small symbol |
| C44,C46,C53,C55 | 10u | |
| C49 | 1u | |
| C52,C54 | 2n2/C0G | |
| C56 | 22u | |
| C64 | 100n | Unpolarized capacitor, small symbol |
| FB1 | FerriteBead or 10R | |
| FL1 | ACM7060 | Generic common-mode choke, ferrite core, 1423 pin order |
| J1 | AudioJack3 | Audio Jack, 3 Poles (Stereo / TRS) |
| J2 | USB_C_Receptacle_USB2.0_16P | USB 2.0-only 16P Type-C Receptacle connector |
| J3 | SWD | Generic connector, single row, 01x03, script generated |
| JP1 | SolderJumper_3_Bridged12 | |
| L1,L5,L6 | 1uH/52mOhm | Inductor with ferrite core, small symbol |
| L2,L3 | L | |
| L4 | WE-CNSW_744232090 | Common mode choke, 370 mA, 125VDC, USB2.0, 111 nH |
| PS1 | IA0505S | XP Power 1W, 1000 VDC Isolated DC/DC Converter Module, Dual Output Voltage ±5V, ±100mA, 5V Input Voltage, SIP |
| R1,R2,R5,R6,R35,R38-R41,R43 | 10k | Resistor, small symbol |
| R3,R4,R7-R10,R27,R32 | 1k | Resistor, small symbol |
| R11,R12 | 1k8 | Resistor, small symbol |
| R13-R24 | 1R | Resistor, small symbol |
| R25,R26 | 0R | Resistor, small symbol |
| R28,R29 | 5k1 | Resistor, small symbol |
| R30,R31 | 27R | Resistor, small symbol |
| R36,R37 | 470R | |
| R42 | 100k | Resistor, small symbol |
| SW1 | BOOTSEL | Push button switch, generic, two pins |
| SW2 | ED08905M-FE13C | Rotary encoder, dual channel, incremental quadrate outputs, with switch |
| SW3 | SW_Push | Push button switch, generic, two pins |
| Y1 | 12MHz SMD3225-4P | Four pin crystal, GND on pins 2 and 4, small symbol |