noise_reduction_microphone
LeoMH
Components (26)
| Reference | Value | Description |
|---|---|---|
| IC1-IC4 | MMICT3902-00-012 | Mic Omni-Directional -26dB Rectangle Solder Pad |
| U1 | PCM5101A | 2.1 VRMS, 106dB Audio Stereo DAC with PLL and 32-bit, 384kHz PCM Interface, TSSOP-20 |
| A1 | RaspberryPi_Pico | Versatile and inexpensive microcontroller module (with debug pins) powered by RP2040 dual-core Arm Cortex-M0+ processor up to 133 MHz, 264kB SRAM, 2MB QSPI flash; also supports Raspberry Pi Pico 2 |
| C1-C3,C12 | 10uF | 10V 10uF X5R ±10% 0603 Multilayer Ceramic Capacitors MLCC - SMD/SMT ROHS |
| C4-C6,C9,C13-C17 | 100nF | 50V 100nF X7R ±10% 0603 Multilayer Ceramic Capacitors MLCC - SMD/SMT ROHS |
| C7,C8 | 2.2uF | 16V 2.2uF X5R ±10% 0603 Multilayer Ceramic Capacitors MLCC - SMD/SMT ROHS |
| C10,C11 | 2.2nF | 50V 2.2nF X7R ±10% 0603 Multilayer Ceramic Capacitors MLCC - SMD/SMT ROHS |
| D1 | B0530W | 30V Independent Type 500mA 430mV@500mA SOD-123 Schottky Diodes ROHS |
| J1 | Power/Audio | Generic connector, single row, 01x05, script generated |
| J2 | Debug Header | Generic connector, single row, 01x07, script generated |
| R1,R2 | 470Ω | 100mW Thick Film Resistors 75V ±100ppm/°C ±1% 470Ω 0603 Chip Resistor - Surface Mount ROHS |
| TP1 | 5V | test point |
| TP2 | 3V | test point |
| TP3 | MIC1_OUT | test point |
| TP4 | MIC2_OUT | test point |
| TP5 | MIC3_OUT | test point |
| TP6 | MIC4_OUT | test point |
| TP7 | CLK1 | test point |
| TP8 | CLK2 | test point |
| TP9 | GND | test point |
| TP10 | AUDIO_R | test point |
| TP11 | AUDIO_L | test point |
| TP12 | AUDIO_GND | test point |
| TP13 | WS | test point |
| TP14 | DAC_DIN | test point |
| TP15 | BCLK | test point |