FreeDSP Catamaran
About the FreeDSP Catamaran PCB
FreeDSP Catamaran is an open source PCB design by freeDSP, published on GitHub under the CC0-1.0 license. It is a 2-layer board measuring 100 × 100 mm, with 243 components from 65 distinct parts.
Other key parts include the ADAU1701, 24AA256, OPA1611, SN74LV541APWR and OPA1652. By type, the board carries 111 resistors, 71 capacitors, 17 connectors, 13 ICs, 13 transistors and 9 diodes.
From the project
A mono contruction Differntial 1 Input 4 output ADAU1701 DSP board, 96kHz TDM8 interlink is available.
A dual mono construction Concept Differential ADC 1 in 4 out ADAU1701 board. Extreme High performance (ADC to DAC Overall Distortion 0.00087%) differential A/D Conversion, differential RCA-pin Outputs, fs=96kHz, 8 slots TDM-Interlink across the boards.
- 1in 4 out RCA jacks on each PCB (2 boards requires for stereo use) - High-performance differential monaural ADAU1701 ADC circuit - GND lift-able Differntial RCA-pin Input curcuit - GND lift-able Differential RCA-pin Output circuit - Mains Power Switch - Power-ON/OFF/Reboot Anti-Pop Audio Mute - LED Power Indicator - MP1/MP7 controlled LED…
Main components on the FreeDSP Catamaran
FreeDSP Catamaran bill of materials (BOM)
243 components, 65 distinct parts — part numbers from the project's BOM.
| Qty | Part | Footprint | Refs |
|---|---|---|---|
| 1 | ADAU1701 | LQFP-48_7x7mm_Pitch0.5mm | IC1 |
| 2 | 24AA256 | SOIC-8_3.9x4.9mm_Pitch1.27mm | IC2, IC3 |
| 4 | OPA1611 | SOIC127P600X175-8N | U1, U3, U5, U8 |
| 1 | SN74LV541APWR | TSSOP-20_W4.4mm | U2 |
| 1 | OPA1652 | SOIC127P600X175-8N | U4 |
| 2 | AZ1117-ADJ | SOT-223-3_TabPin2 | U6, U7 |
| 1 | OPA1632DR | SOIC127P600X175-8N | U9 |
| 1 | SN74LVC1G86DBVR | TSOT-23-5 | U10 |
| 4 | 2SC3326 | SOT-23 | Q1, Q3, Q5, Q7 |
| 2 | AO3400A | SOT-23 | Q2, Q13 |
| 3 | AO3400A | SOT-23-3 | Q4, Q9, Q11 |
| 3 | AO3401A | SOT-23 | Q6, Q10, Q12 |
| 1 | KTA1040D-Y-RTF/P | TO-252-2 | Q8 |
| 1 | 3N12288G33YC | Oscillator_SMD_Abracon_ASE-4Pin_3.2x2.5mm | X2 |
| 2 | CONN_01X02 Conn_01x02 | PinHeader_1x02_P2.54mm_Vertical | J1, J10 |
| 5 | Conn_RCA | RJ-2410N | J2, J4, J5, J6, J8 |
| 1 | CONN_02X5_ODD_EVEN Conn_02x5_Odd_Even | IDC-Header_2x05_P2.54mm_Vertical | J3 |
| 1 | CONN_01X07_MALE Conn_01x07_Male | PinHeader_1x07_P2.54mm_Vertical | J7 |
| 1 | CONN_POWER_2.1MM Conn_Power_2.1mm | BARREL_JACK | J9 |
| 1 | HEADERPIN_01X03 HeaderPin_01x03 | PinHeader_1x03_P2.54mm_Vertical | J11 |
Show 45 more
| Qty | Part | Footprint | Refs |
|---|---|---|---|
| 3 | B3B-EH B3B-XH | JST_XH_B3B-XH-AM_1x03_P2.50mm_Vertical | J12, J13, J14 |
| 1 | Molex 1718563002 | Molex_KK-254_AE-6410-02A_1x02_P2.54mm_Vertical | J15 |
| 1 | B3B-EH Conn_01x03 | PinHeader_1x03_P2.54mm_Vertical | J16 |
| 1 | MIL-10P_ANGLE MIL-10P_Angle | IDC-Header_2x05_P2.54mm_Vertical | P1 |
| 1 | ACM9070-701-2PL-TL01 | ACM9070-701-2PL-TL01 | FL1 |
| 4 | ALPS_RK09_B10K | Potentiometer_Alps_RK09L_Double_Vertical | RV1, RV2, RV3, RV4 |
| 2 | 2MS1T1B4M7QES | 2MS1T1B4M7QES | SW1, SW2 |
| 2 | LED_RED | LED_0603_HandSoldering | D1, D9 |
| 2 | 1N4148W | D_SOD-123 | D2, D3 |
| 4 | RB160M-30 | D_SOD-123 | D4, D6, D7, D8 |
| 1 | LED_WHITE | LED_0603_HandSoldering | D5 |
| 1 | CMI321609X100KT | Inductor_1212 | L1 |
| 12 | 150p | C_0805_HandSoldering | C1, C5, C7, C10, C18, C25, C29, C34 +4 |
| 18 | 100n | C_0805_HandSoldering | C2, C17, C24, C31, C37, C42, C44, C45 +10 |
| 4 | 1000PF | C_0805_HandSoldering | C3, C8, C21, C32 |
| 4 | 10U/16V 10u/16V | CP_Radial_D5.0mm_P2.00mm | C4, C9, C23, C33 |
| 5 | 3n3 | C_0805_HandSoldering | C6, C11, C19, C26, C35 |
| 6 | 10u | C_0805_HandSoldering | C12, C15, C16, C40, C43, C62 |
| 2 | 47UF/6.3 47uF/6.3 | CP_Combo_D5.0mm_P2-5mm | C13, C22 |
| 2 | 2.2UF/16 2.2uF/16 | CP_Combo_D5.0mm_P2-5mm | C14, C58 |
| 1 | 56n | C_0805_HandSoldering | C20 |
| 5 | 10uF/25V | C_0805_HandSoldering | C27, C28, C36, C48, C57 |
| 7 | 2.2u | C_0805_HandSoldering | C30, C41, C47, C49, C54, C55, C56 |
| 2 | 220U 220u | CP_Radial_D8.0mm_P5.00mm | C38, C39 |
| 1 | 100U/16V 100u/16V | CP_Radial_D6.3mm_P2.50mm | C46 |
| 1 | 33pF | C_0805_HandSoldering | C64 |
| 1 | 220U/16V 220u/16V | CP_Radial_D8.0mm_P5.00mm | C69 |
| 16 | 22k | R_0805_HandSoldering | R1, R11, R12, R18, R26, R27, R31, R42 +8 |
| 26 | 10k | R_0805_HandSoldering | R2, R6, R19, R20, R23, R28, R30, R32 +18 |
| 18 | 1k | R_0805_HandSoldering | R3, R7, R21, R24, R33, R39, R48, R52 +10 |
| 14 | 100R | R_0805_HandSoldering | R4, R8, R9, R13, R14, R15, R16, R17 +6 |
| 5 | 680R | R_0805_HandSoldering | R5, R22, R35, R56, R68 |
| 5 | 47k | R_0805_HandSoldering | R10, R25, R41, R44, R62 |
| 2 | 20k | R_0805_HandSoldering | R29, R71 |
| 3 | 15k | R_0805_HandSoldering | R34, R36, R46 |
| 1 | 470R | R_0805_HandSoldering | R37 |
| 1 | 4.7k | R_0805_HandSoldering | R49 |
| 6 | 47R | R_0805_HandSoldering | R53, R77, R107, R108, R109, R110 |
| 1 | 2k2 | R_0805_HandSoldering | R54 |
| 1 | NOP | R_0805_HandSoldering | R59 |
| 2 | 220R | R_0805_HandSoldering | R65, R66 |
| 2 | 100k | R_0805_HandSoldering | R67, R74 |
| 1 | 360R | R_0805_HandSoldering | R69 |
| 4 | 1MEG | R_0805_HandSoldering | R73, R88, R94, R111 |
| 3 | 0R | R_0805_HandSoldering | R76, R80, R92 |
FreeDSP Catamaran design files
The KiCad project lives in the freeDSP/FreeDSP_Catamaran_AB repository on GitHub; these links point at the commit this page was built from.
FreeDSP Catamaran: common questions
How big is the FreeDSP Catamaran PCB?
The FreeDSP Catamaran measures 100 × 100 mm, has 2 copper layers and is 1.6 mm thick.
How many components are on the FreeDSP Catamaran?
243 components, from 65 distinct parts, with part numbers taken from the project's own BOM. The full bill of materials is listed on this page.
Where can I download the FreeDSP Catamaran design files?
From the freeDSP/FreeDSP_Catamaran_AB repository on GitHub, which has the KiCad layout and the BOM; the links under Design files point to each one.
Can I use the FreeDSP Catamaran design in my own project?
Yes, under the terms of its CC0-1.0 license, which freeDSP chose for the repository.
