SkrzpkAmp
SSkrzypik
A class D integrated amplifier with DSP
Components (56)
| Reference | Value | Description |
|---|---|---|
| IC1 | BQ32002D | Real-Time Clock (RTC) |
| Q1 | ZXTP25040DFHTA | PNP transistor, base/collector/emitter |
| U2 | ADAU1701 | SigmaDSP 28-/56-Bit Audio Processor with Two ADCs and Four DACs, 50 MIPS, 1kword Program RAM, 2kword Data RAM, LQFP-48 |
| U3 | ADA4841 | Dual Precision Low Noise, Low Input Bias Current, Wide Bandwidth Operational Amplifiers, MSOP-8 |
| U4 | AT24CS01-SSHM | I2C Serial EEPROM, 1Kb (128x8) with Unique Serial Number, SO8 |
| U5,U6 | TPA3116D2DADR | 50-W Stereo (BTL) Class-D Audio Amp w/ SpeakerGuard |
| U7 | STM32C011F4P6 | STMicroelectronics Arm Cortex-M0+ MCU, 16KB flash, 6KB RAM, 48 MHz, 2.0-3.6V, 18 GPIO, TSSOP20 |
| U9 | AMS1117-3.3 | 1A Low Dropout regulator, positive, 3.3V fixed output, SOT-223 |
| U10 | L5972D | |
| U12 | ESP32-WROOM-32U | RF Module, ESP32-D0WD SoC, Wi-Fi 802.11b/g/n, Bluetooth, BLE, 32-bit, 2.7-3.6V, external antenna, SMD |
| BT1 | Battery | Multiple-cell battery |
| C1,C5,C13,C15,C16,C19,C20,C26,C27,C33,C34,C54,C55,C68,C69,C97,C102,C104,C106 | 100n | Unpolarized capacitor |
| C2,C56,C57,C74,C75 | 220u/35v | Polarized capacitor |
| C3,C11,C12,C28,C29 | 47u | Polarized capacitor,Unpolarized capacitor |
| C6,C31,C32 | 3.3n | Polarized capacitor,Unpolarized capacitor |
| C7,C14,C17,C18,C30,C35,C98,C105,L1-L4 | 10u | Inductor,Unpolarized capacitor |
| C8 | 56n | Unpolarized capacitor |
| C9,C10 | 22p | Unpolarized capacitor |
| C21,C22 | 150p | Polarized capacitor |
| C23,C36-C41,C58-C61,C85,C86,C88,C89,C101 | 1u | Unpolarized capacitor |
| C24,C25 | 470p | Polarized capacitor |
| C42,C43,C52,C53,C62-C67 | 1n | Unpolarized capacitor |
| C44-C51 | 220n | Unpolarized capacitor |
| C70-C73,C83,C84 | 10n | Unpolarized capacitor |
| C82,C87,C93 | 22u | Polarized capacitor,Unpolarized capacitor |
| C90 | 2.2u | Unpolarized capacitor |
| C91,C92 | 18n | Unpolarized capacitor |
| D1 | STPS2L401AF | Diode |
| FB1,FB2 | Ferrite 120R | Ferrite bead |
| J1 | RIGHT SP | Generic connector, single row, 01x02, script generated |
| J2 | RCA1 INPUT | Generic connector, single row, 01x03, script generated |
| J3 | LEFT SP | Generic connector, single row, 01x02, script generated |
| J4 | DSP PROGRAMMER | Generic connector, single row, 01x05, script generated |
| J5 | MCU PROGRAMMER | Generic connector, single row, 01x04, script generated |
| J6 | ESP PROGRAMMER | Generic connector, single row, 01x05, script generated |
| J7 | 24V JACK | Generic connector, single row, 01x02, script generated |
| J8 | SFV14R-3STBE1HLF | 0.50mm Flex Connector, SFV-R Series, 14 Position, Bottom Side Contact, Side Entry Surface Mount ZIF Connector, Halogen Free, Lead Free with Cable-Lock, Gold Flash |
| JP1-JP3 | Jumper_2_Small_Bridged | Jumper, 2-pole, small symbol, bridged |
| L5 | DR127-680-R | Inductor |
| R1,R2,R15,R18,R19,R40-R42 | 10k | Resistor |
| R3 | 475R | Resistor |
| R4 | 1k | Resistor |
| R6-R8 | 18k | Resistor |
| R9-R12 | 4.75k | Resistor |
| R13,R14 | 604R | Resistor |
| R16,R17 | 49.9k | Resistor |
| R20,R22 | 47k | Resistor |
| R21,R23 | 75k | Resistor |
| R24-R27 | 100k | Resistor |
| R28-R31 | 3.3R | Resistor |
| R37 | 8.2k | Resistor |
| R38 | 13k | Resistor |
| R39 | 4.3k | Resistor |
| R43 | 100R | Resistor |
| Y1 | 12.288MHz | Four pin crystal, GND on pins 2 and 4 |
| Y2 | 32.768 kHz | Four pin crystal, GND on pins 2 and 4 |