Audio latency tester

Audio latency processing board that allows driving an external speaker and collecting audio samples from a pair of PDM or I2S microphones.

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Manufacturer	Manufacturer part number	Description
Texas Instruments	TPD4E05U06QDQARQ1	TVS diode array, 12 kV, USON-10, 5.5 V, 0.5 pF
Texas Instruments	TPD4E02B04DQAR	TVS diode array, 12 kV, USON-10, 3.6 V, 0.33 pF
Winbond	W25Q128JVSIQ	FLASH - NOR Memory IC 128Mbit SPI - Quad I/O, QPI 104 MHz 8-SOIC
Diodes Incorporated	AP62301WU-7	DC-DC Switching Synchronous Buck Regulator, Adjustable, 4.2V-18Vin, 0.8V-7V/3A out, TSOT-26-6
Raspberry Pi	RP2040	ARM MCU, Raspberry Pi, Dual ARM Cortex-M0+, 32 bit, 133MHz, 264 KB
Diodes Incorporated	AP22652W6-7	Power Switch/Driver 1:1 P-Channel 2.1A SOT-26
ISSI	IS66WVS4M8BLL-104NLI	SPI, SRAM 32Mb, SerialRAM, 2.7V-3.6V, 104MHz, 8 pin SOIC 150 mil
Analog Devices	MAX98357AETE+T	I2S Class D Amplifier, 2.5V to 5.5V, 3.2W into 4Ω at 5V, TQFN-16
Texas Instruments	TLV73318PDBVT	Fixed LDO Voltage Regulator, 1.4V to 5.5V, 122mV Dropout, 1.8Vout, 300mAout, SOT-23-5
Analog Devices	ADAU7118ACPZRL	8-Channel PDM to I2S/TDM Converter, VQFN-16, Hardware controlable
Molex	501951-0550	Connector FFC/FPC SKT 5 Position 0.5mm Solder Straight Surface Mount T/R
GCT	USB4105-GF-A	USB-C (USB TYPE-C) USB 2.0 Receptacle Connector 24 (16+8 Dummy) Position Surface Mount, Right Angle
JST Automotive Connectors	SM06B-SRSS-TB(LF)(SN)	Pin Header, Right Angle, Wire-to-Board, 1 mm, 1 Rows, 6 Contacts, Surface Mount Right Angle, SR
JST Automotive Connectors	BM05B-SURS-TF(LF)(SN)	Pin Header, Vertical, Wire-to-Board, 0.5 mm, 1 Rows, 5 Contacts, Surface Mount Vertical, SUR
JST Automotive Connectors	BM04B-SRSS-TB(LF)(SN)	Pin Header, Top Entry, Wire-to-Board, 1 mm, 1 Rows, 4 Contacts, Surface Mount, SR
JST Automotive Connectors	SM02B-SRSS-TB(LF)(SN)	Rectangular connector, header
Nexperia	PESD5V0X1UB,135	Unidirectional TVS, 8 kV, SOD-523, 5.5 V, 0.95 pF
Vishay	VLMTG1500-GS08	LED, Green, SMD, 1005, 5 mA, 3.1 V, 535 nm
Texas Instruments	TPD1E0B04DPYR	Bidirectional TVS, 8 kV, XDFN-2, 3.6 V, 0.18 pF
Kingbright	KP-1608CGCK	LED, Green, SMD, 0603, 20 mA, 2.1 V, 570 nm
Toshiba	SSM3J332R,LF	Power MOSFET, P Channel, 30 V, 6 A, 0.036 ohm, SOT-23F, Surface Mount
Nexperia	BC817-25W,115	Bipolar (BJT) Single Transistor, NPN, 45 V, 500 mA, 200 mW, SOT-323, Surface Mount
Diodes Incorporated	BCM857BS-7-F	Bipolar (BJT) Transistor Array, 2 Transistors, PNP, 45V, 100mA, SOT-363, Surface Mount
Abracon	ABM8G-12.000MHZ-18-D2Y-T	Crystal, 12 MHz, SMT, 3.2mm x 2.5mm, 30 ppm, 18 pF, 20 ppm, ABM8G
Murata	GRM155R71H103KA88D	SMD Multilayer Ceramic Capacitor, 10000 pF, 50 V, 0402 [1005 Metric], ± 10%, X7R, GRM Series
Murata	GRM155R61H104KE14D	SMD Multilayer Ceramic Capacitor, 0.1 µF, 50 V, 0402 [1005 Metric], ± 10%, X5R, GRM Series
Samsung Electro-Mechanics	CL05C180JB51PNC	SMD Multilayer Ceramic Capacitor, 18 pF, 50 V, 0402 [1005 Metric], ± 5%, C0G / NP0, MC
TDK	C1005X6S1A105K050BC	SMD Multilayer Ceramic Capacitor, 1 µF, 10 V, 0402 [1005 Metric], ± 10%, X6S, C
KEMET	C0402C104J4RAC7411	SMD Multilayer Ceramic Capacitor, 100nF, 50V, 0402, ±5%, X7R
Murata	GRM155R61A106ME11D	Multilayer Ceramic Capacitors MLCC - SMD/SMT 10 uF 10 VDC 20% 0402 X5R
Murata	GRM158R60J226ME01D	SMD Multilayer Ceramic Capacitor, 22 uF, 4 V, 0402 [1005 Metric], X6S
Murata	BLM18PG121SN1D	Ferrite Bead, 0603 [1608 Metric], 120 ohm, 2 A, BLM18P, 0.05 ohm, ± 25%, DC power line
Vishay	IFSC1515AHER2R2M01	Power Inductor (SMT), 2.2 µH, 3.1 A, Shielded, 3.1 A, IFSC-1515AH-01
Bourns	CR0402-FX-5101GLF	SMD Chip Resistor, 5.1 kohm, ± 1%, 63 mW, 0402 [1005 Metric], Thick Film, General Purpose
Panasonic	ERJ2GE0R00X	SMD Chip Resistor, Jumper, 0 ohm, 100 mW, 0402 [1005 Metric], Thick Film, General Purpose
Bourns	CR0402-FX-2002GLF	SMD Chip Resistor, 20 kohm, ± 1%, 62.5 mW, 0402 [1005 Metric], Thick Film, General Purpose
Bourns	CR0402-FX-1002GLF	SMD Chip Resistor, 10 kohm, ± 1%, 62.5 mW, 0402 [1005 Metric], Thick Film, General Purpose
Bourns	CR0402-FX-1001GLF	SMD Chip Resistor, 1 kohm, ± 1%, 63 mW, 0402 [1005 Metric], Thick Film, General Purpose
Bourns	CR0402-FX-1004GLF	SMD Chip Resistor, 1 Mohm, ± 1%, 62.5 mW, 0402 [1005 Metric], Thick Film, General Purpose
YAGEO	RC0402FR-073K16L	SMD Chip Resistor, 3.16 kohm, ± 1%, 62.5 mW, 0402 [1005 Metric], Thick Film, General Purpose
Bourns	CR0402-FX-2200GLF	SMD Chip Resistor, 220 ohm, ± 1%, 62.5 mW, 0402 [1005 Metric], Thick Film, General Purpose
Bourns	CR0402-FX-27R0GLF	SMD Chip Resistor, 27 ohm, ± 1%, 63 mW, 0402 [1005 Metric], Thick Film, General Purpose
Bourns	CR0402-FX-2700GLF	SMD Chip Resistor, 270 ohm, ± 1%, 63 mW, 0402 [1005 Metric], Thick Film, General Purpose
Bourns	CR0402-FX-51R0GLF	SMD Chip Resistor, 51 ohm, ± 1%, 63 mW, 0402 [1005 Metric], Thick Film, General Purpose
Bourns	CR0402-FX-2701GLF	SMD Chip Resistor, 2.7 kohm, ± 1%, 63 mW, 0402 [1005 Metric], Thick Film, General Purpose
Omron	B3U-1000P	Tactile Switch, B3U, Top Actuated, Surface Mount, Round Button, 153 gf, 50mA at 12VDC

Name	Type	Material	Thickness[mm]	Constant
F.Mask	Top Solder Mask		0.01
F.Cu	copper		0.035
dielectric 1	prepreg	FR4	0.12	4.5
In1.Cu	copper		0.035
dielectric 2	core	FR4	1.2	4.5
In2.Cu	copper		0.035
dielectric 3	prepreg	FR4	0.12	4.5
B.Cu	copper		0.035
B.Mask	Bottom Solder Mask		0.01

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Audio latency tester