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lennartquerter
Lenimal Github for DIY for a Eurorack Synth
| Reference | Value | Description |
|---|---|---|
| U1 | TL072 | Dual Low-Noise JFET-Input Operational Amplifiers, DIP-8/SOIC-8 |
| U2 | OPA2277 | Dual High Precision Operational Amplifiers, DIP-8/SOIC-8 |
| U3 | MCP6002 | 1MHz, Low-Power Op Amp, SOIC-8 |
| U4 | LM4040DBZ-2.5 | 2.500V Precision Micropower Shunt Voltage Reference, SOT-23 |
| U5 | LM1117DT-3.3 | 800mA Low-Dropout Linear Regulator, 3.3V fixed output, TO-252 |
| U6 | MCP1703Ax-330xxTT | Low Quiescent Current LDO Regulator, 3.3V, 250mA, Vin<=16V, SOT-23 |
| U7 |
| STM32F411RETx |
| STMicroelectronics Arm Cortex-M4 MCU, 512KB flash, 128KB RAM, 100 MHz, 1.7-3.6V, 50 GPIO, LQFP64 |
| U8 | MCP4922-ESL | Dual 12-bit Digital to Analog Converter, SPI Interface, SOIC-14 |
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| C1-C5,C13,C14,C17,C19-C21,C23,C24,C26-C30 | 100nF | Unpolarized capacitor |
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| C6 | 470nF | Unpolarized capacitor |
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| C7,C8,C11,C12,C25 | 10uF | Polarized capacitor,Unpolarized capacitor |
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| C9,C10 | 47uF | Polarized capacitor |
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| C15,C16 | 20pF | Unpolarized capacitor |
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| C18 | 2.2uF | Unpolarized capacitor |
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| C22 | 1uF | Unpolarized capacitor |
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| D1 | 3.3V_STATUS_LED | Light emitting diode |
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| D2-D5 | 1N5817 | 20V 1A Schottky Barrier Rectifier Diode, DO-41 |
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| J1 | ENC_CONN | Generic connector, single row, 01x04, script generated (kicad-library-utils/schlib/autogen/connector/) |
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| J2 | BTN_CONN | Generic connector, single row, 01x04, script generated (kicad-library-utils/schlib/autogen/connector/) |
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| J3 | SPI_CONN | Generic connector, double row, 02x04, counter clockwise pin numbering scheme (similar to DIP package numbering), script generated (kicad-library-utils/schlib/autogen/connector/) |
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| J4 | CV_CONN | Generic connector, double row, 02x03, counter clockwise pin numbering scheme (similar to DIP package numbering), script generated (kicad-library-utils/schlib/autogen/connector/) |
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| J5 | TRIG_CONN | Generic connector, double row, 02x04, counter clockwise pin numbering scheme (similar to DIP package numbering), script generated (kicad-library-utils/schlib/autogen/connector/) |
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| J6 | POWER_CONN | Generic connector, single row, 01x05, script generated (kicad-library-utils/schlib/autogen/connector/) |
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| J7 | BOOT_RUN | Generic connector, single row, 01x03, script generated (kicad-library-utils/schlib/autogen/connector/) |
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| J8 | RX/TX | Generic connector, single row, 01x03, script generated (kicad-library-utils/schlib/autogen/connector/) |
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| J9 | Conn_01x04 | Generic connector, single row, 01x04, script generated (kicad-library-utils/schlib/autogen/connector/) |
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| J10 | I2C1 | Generic connector, single row, 01x03, script generated (kicad-library-utils/schlib/autogen/connector/) |
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| J11 | MODE | Generic connector, single row, 01x03, script generated (kicad-library-utils/schlib/autogen/connector/) |
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| R1,RV1,RV2 | 1K | Resistor,Trim-potentiometer |
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| R2 | 2K | Resistor |
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| R3-R10,R12-R16,R31 | 10K | Resistor |
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| R11 | 100R | Resistor |
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| R17,R26 | 18K [0.1%] | Resistor |
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| R18,R27 | 22K [0.1%] | Resistor |
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| R19,R28 | 40K [0.1%] | Resistor |
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| R20-R23,R29,R30 | 10K [0.1%] | Resistor |
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| R24,R25 | 29K4 [0.1%] | Resistor |
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| TP1 | 2,5V_REF | test point |
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| TP2 | +12V_REF | test point |
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| TP3 | -12V_REF | test point |
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| TP4 | 3,3VA_REF | test point |
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| TP5 | 3,3V_REF | test point |
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| TP6,TP11 | CV_IN | test point |
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| TP7,TP12 | CV_OUT_1 | test point |
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| TP8,TP13 | CV_OUT_2 | test point |
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| TP9 | DAC_A_OUT | test point |
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| TP10 | DAC_B_OUT | test point |
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| Y1 | 20MHZ | Two pin crystal |
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