Datasheet
Bill of Materials
4-4
Qty DescriptionMfr Part numberManufacturer
Reference
Designators
4 R27, R28, R29,
R42
Panasonic or alternate ERJ-6ENF3091V RES 3.09 kΩ 1/10W 1% 0805 SMD
4 R11, R12, R13,
R14
Panasonic or alternate ERJ-6GEYJ512V RES 5.1 kΩ 1/8W 5% 0805 SMD
5 R4, R7, R8, R9,
R10
Panasonic or alternate ERJ-6GEYJ103V RES 10 kΩ 1/8W 5% 0805 SMD
1 R17 Panasonic or alternate ERJ-6GEYJ473V RES 47 kΩ 1/8W 5% 0805 SMD
5 R19, R21, R22,
R23, R30
Panasonic or alternate ERJ-6GEYJ104V RES 100 kΩ 1/8W 5% 0805 SMD
1 R1 Yageo or alternate MFR-25FBF-100K RES 100 kΩ 1/4W 1% Axial
1 R31 Panasonic or alternate ERJ-6GEYJ105V RES 1 MΩ 1/8W 5% 0805 SMD
1 R15 RES 1/8W 5% 0805
2 R2, R3 RES 1/4W 1% Axial
6 R1, R2, R3 AMP Incorporated 50863-5 Miniature spring socket
10 TP2, TP3, TP4,
TP5, TP6, TP7,
TP8, TP9, TP10,
TP11
Keystone Electronics 5000 Test point miniature thru-hole
1 TP1 Keystone Electronics 5011 Test point multipurpose thru-hole
1 U1 Texas Instruments TSC2301 PDA analog interface circuit
1 U2 Texas Instruments TPA6203A1GQV 1.25 W Mono fully differential amplifier
1 U3 MicroChip 24LC64I/SN 64K I2C CMOS serial EEPROM
1 U4 Texas Instruments TAS1020APFB Stereo USB audio interface
1 U5 Texas Instruments REG1117-3.3 3.3 V, 0.8 A, Low dropout voltage regulator
SMD
1 X1 Epson MA-505 6.000M-C0 6 MHz Crystal, SMD
6 N/A Samtec or alternate SNT-100-BK-TH Shorting jumper
8 E, F, G, H, J, K,
L, M
AMP Incorporated 50864-5 Miniature spring socket
4 N/A Keystone Electronics
or alternate
1808 0.25” x 0.625” Hex 4-40 threaded standoff
4 N/A Building Fasteners or
alternate
PMS 440 0050 PH Pan head machine screws 4-40 x 1/2”
Phillips
4 N/A Building Fasteners or
alternate
MPMS 002 0008 PH Pan head machine screws No 2 x 8 mm
Phillips
4 N/A Building Fasteners or
alternate
MLWZ 002 No 2 metric lock washer
4 N/A Building Fasteners or
alternate
MHNZ 002 No 2 metric nut
0 PWB Texas Instruments 6438187 Printed wiring board
0 PCA Texas Instruments 6438189 Printed circuit assembly