2 layers39.4 × 109.2 mm
2 layers39.4 × 109.2 mm
Miditron back
soundslikefrank/miditron4midi2cv module best to be used with Elektron devices
- Size
- 39.4 × 109.2 mm
- Copper layers
- 2
- Thickness
- 1.6 mm
- Parts
- 144
- Nets
- 157
- Pads
- 539
- Tracks, vias
- 1,431, 212
- Pours
- 3
- Routed
- Yes
- KiCad
- KiCad 6 (file 20211014)
- Created
- 13 May 2021
- Updated
- 8 Oct 2023
Overview
Miditron back is an open-source printed circuit board by soundslikefrank, from the soundslikefrank/miditron repository on GitHub. It is a 2-layer board of 39.4 × 109.2 mm with 144 parts on 157 nets, routed with 1,431 tracks and 212 vias.
It is built around the OPA4172ID, SN74AHCT244PW and AD5328BRUZ, with the DAC8564IAPW, ADP150AUJZ-3.3-R7 and AT24C256CN among its other parts. Its parts include 57 capacitors, 55 resistors, 15 ICs, 8 connectors and 5 diodes. It belongs with the STM32 boards of this library.
Main components
10
OPA4172ID
SOIC-14-18V~-2.25V、2.25V~18V -40℃~+125℃ 1.6mA 10MHz 10V/us 120dB 1nA 200uV 300nV/℃ 4 75mA 7nV/√Hz@1kHz 8pA EMI filtering/RF suppression Rail-to-rail output SOIC-14 Operational Amplifier ROHSTexas InstrumentsOperational Amplifier
SN74AHCT244PW
TSSOP-20-40℃~+125℃ 2 4 4.5V~5.5V 40uA 74AHCT 8.4ns@5V,50pF 8mA 8mA Tri-State Unidirectional TSSOP-20 Buffers, Drivers, Receivers, Transceivers ROHSTexas InstrumentsBuffers, Drivers, Receivers, Transceivers
AD5328BRUZ
TSSOP-16-40℃~+125℃ 12 1LSB 2.5V~5.5V 400nA 8 8us Integrated buffer、Power-on reset、Power-down mode SPI、QSPI Voltage Buffer TSSOP-16 Digital to Analog Converters (DAC) ROHSAnalog DevicesDigital To Analog Converters (DACs)DAC8564IAPW
TSSOP-16-40℃~+105℃ 10us 16 1LSB 1mA 2.7V~5.5V 4 Integrated buffer、Power-on reset、Power-down mode、Built-in reference source SPI Voltage Buffer TSSOP-16 Digital to Analog Converters (DAC) ROHSTexas InstrumentsDigital To Analog Converters (DAC)
ADP150AUJZ-3.3-R7
TSOT-5-40℃~+125℃@(Tj) 1 10uA 150mA 160mV@(150mA) 3.3V 5.5V 70dB@(10kHz) 9uVrms Fixed Positive Under Voltage Lockout、Over Current Protection、Over Temperature Protection、Enable、Thermal Shutdown TSOT-5 Voltage Regulators - Linear, Low Drop Out (LDO) Regulators ROHSAnalog DevicesVoltage Regulators - Linear, Low Drop Out (LDO) Regulators
AT24C256CN
DIP-8-40℃~+105℃ 1.7V~5.5V 100 Years 1MHz 1mA 1uA 2,000,000 Cycles 256Kbit 500ns、900ns 5ms Hardware write protection function、Noise suppression function、Built-in power-on reset (POR) I2C DIP-8 EEPROM ROHSHGSEMIEEPROM
LM1117-3.3
SOT-2231 1.3V@(1000mA) 15V 1A 2mA 3.3V Fixed Over Current Protection、Short Circuit Protection、Thermal shutdown Positive SOT-223 Voltage Regulators - Linear, Low Drop Out (LDO) Regulators ROHShongjiachengUncategorisedLM1117-5.0
SOT-2231 1.3V@(1000mA) 15V 1A 2mA 5V Fixed Over Current Protection、Short Circuit Protection、Thermal shutdown Positive SOT-223 Voltage Regulators - Linear, Low Drop Out (LDO) Regulators ROHShongjiachengUncategorised
B72500D0160H060
SOD-52316V 290V 5pF@1MHz 65V SOD-523 Varistors ROHSTDKVaristors
X50328MSB2GI
SMD5032-2P-40℃~+85℃ 20pF 80Ω 8MHz Crystal Oscillator ±10ppm ±20ppm SMD5032-2P Crystals ROHSYXCCrystals
README
README.mdmiditron
midi2cv module best to be used with Elektron devices
Parts
144| Qty | Value | Footprint | References |
|---|---|---|---|
| 24 | 100n | Capacitor_SMD:C_0603_1608Metric | C1, C2, C3, C10, C12, C13, C14, C15, C16, C17, C18, C21, C22, C27, C28, C30 +8 |
| 12 | 1k | Resistor_SMD:R_0603_1608Metric | R19, R20, R21, R22, R34, R35, R36, R37, R46, R47, R48, R49 |
| 11 | 36k | Resistor_SMD:R_0603_1608Metric | R10, R26, R27, R28, R29, R38, R39, R40, R41, R55, R56 |
| 10 | 150k | Resistor_SMD:R_0603_1608Metric | R30, R31, R32, R33, R42, R43, R44, R45, R51, R52 |
| 8 | 10p | Capacitor_SMD:C_0603_1608Metric | C35, C36, C37, C38, C39, C40, C41, C42 |
| 7 | 1u | Capacitor_SMD:C_0603_1608Metric | C4, C7, C32, C51, C52, C53, C54 |
| 6 | 33k | Resistor_SMD:R_0603_1608Metric | R9, R11, R12, R13, R14, R23 |
| 4 | 180k | Resistor_SMD:R_0603_1608Metric | R15, R16, R17, R18 |
| 4 | 22p | Capacitor_SMD:C_0603_1608Metric | C23, C24, C25, C26 |
| 3 | 10k | Resistor_SMD:R_0603_1608Metric | R4, R6, R8 |
| 3 | 10u | Capacitor_SMD:C_0805_2012Metric | C43, C44, C46 |
| 2 | 100 @ 100MHz | Inductor_SMD:L_0805_2012Metric | FB1, FB2 |
| 2 | 100R | Resistor_SMD:R_0603_1608Metric | R57, R58 |
| 2 | 100p | Capacitor_SMD:C_0603_1608Metric | C55, C56 |
| 2 | 1N5819 | Diode_SMD:D_SOD-123 | D3, D4 |
| 2 | 200k | Resistor_SMD:R_0603_1608Metric | R53, R54 |
| 2 | 22u | Capacitor_SMD:CP_Elec_5x5.3 | C48, C49 |
| 2 | 27p | Capacitor_SMD:C_0603_1608Metric | C6, C8 |
| 2 | 4u7 | Capacitor_SMD:C_0603_1608Metric | C11, C19 |
| 2 | B72500D0160H060 | Diode_SMD:D_0603_1608Metric | D5, D6 |
| 2 | Conn_02x06_Odd_Even | Connector_PinSocket_2.54mm:PinSocket_2x06_P2.54mm_Vertical | J1, J2 |
| 2 | TL074 | Package_SO:TSSOP-14_4.4x5mm_P0.65mm | U5, U6 |
| 1 | 10u | Inductor_SMD:L_0805_2012Metric | L1 |
| 1 | 10u | Capacitor_SMD:C_0603_1608Metric | C29 |
| 1 | 1N4148 | Diode_SMD:D_SOD-123 | D2 |
| 1 | 1k8 | Resistor_SMD:R_0603_1608Metric | R50 |
| 1 | 220R | Resistor_SMD:R_0603_1608Metric | R5 |
| 1 | 220n | Capacitor_SMD:C_0603_1608Metric | C20 |
| 1 | 22k | Resistor_SMD:R_0603_1608Metric | R24 |
| 1 | 22u | Capacitor_SMD:C_0805_2012Metric | C50 |
| 1 | 27k | Resistor_SMD:R_0603_1608Metric_Pad0.98x0.95mm_HandSolder | R3 |
| 1 | 680R | Resistor_SMD:R_0603_1608Metric | R7 |
| 1 | 6N137 | Package_DIP:SMDIP-8_W9.53mm | U2 |
| 1 | AD5328BRUZ | AD5328BRUZ:SOP65P640X120-16N | IC4 |
| 1 | ADP150AUJZ-3.3-R7 | ADP150AUJZ-3.3-R7:SOT95P280X100-5N | IC5 |
| 1 | AT24C256C | Package_SO:SOIC-8_3.9x4.9mm_P1.27mm | U1 |
| 1 | Conn_01x10 | Connector_PinSocket_2.54mm:PinSocket_1x10_P2.54mm_Vertical | J3 |
| 1 | Conn_01x12 | Connector_PinSocket_2.54mm:PinSocket_1x12_P2.54mm_Vertical | J4 |
| 1 | DAC8564IAPW | AD5328BRUZ:SOP65P640X120-16N | IC3 |
| 1 | Debug | Connector_PinHeader_1.27mm:PinHeader_2x05_P1.27mm_Vertical | J32 |
| 1 | Eurorack PWR | Connector_IDC:IDC-Header_2x05_P2.54mm_Vertical | J33 |
| 1 | Expander | Connector_PinHeader_1.27mm:PinHeader_2x03_P1.27mm_Vertical | J34 |
| 1 | LM1117-3.3 | Package_TO_SOT_SMD:SOT-223 | U7 |
| 1 | LM1117-5.0 | Package_TO_SOT_SMD:SOT-223 | U8 |
| 1 | LM4040DBZ-10 | Package_TO_SOT_SMD:SOT-23 | U9 |
| 1 | LP5012PWR | LP5012PWR:SOP65P640X120-24N | IC2 |
| 1 | MCP6002-xMS | Package_SO:SOIC-8_3.9x4.9mm_P1.27mm | U10 |
| 1 | OPA4172 | Package_SO:TSSOP-14_4.4x5mm_P0.65mm | U4 |
| 1 | SN74AHCT244PW | SN74AHCT244PW:SOP65P640X120-20N | IC1 |
| 1 | SPI3 Testpoint | Connector_PinHeader_2.54mm:PinHeader_1x03_P2.54mm_Vertical | J35 |
| 1 | STM32F401RBTx | Package_QFP:LQFP-64_10x10mm_P0.5mm | U3 |
| 1 | X50328MSB2GI | Crystal:Crystal_SMD_5032-2Pin_5.0x3.2mm | Y1 |
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Questions
How big is the Miditron back PCB?
It measures 39.4 × 109.2 mm and has 2 copper layers, 1.6 mm thick.
What parts does the Miditron back use?
144 parts, built around the OPA4172ID, SN74AHCT244PW, AD5328BRUZ and DAC8564IAPW. The full list of its parts is on this page, with links to each part's symbol and footprint where PCBKit's library has them.
Where can I download the Miditron back KiCad files?
From the soundslikefrank/miditron repository on GitHub, at the commit this page was made from: the board is hardware/miditron-back.kicad_pcb and its schematic hardware/cv_input.kicad_sch. PCBKit opens the board in the browser, with nothing to install.
Can I use the Miditron back design in my own project?
Its repository states no licence, so its author keeps all rights: ask soundslikefrank before reusing the design.