initial
This commit is contained in:
329
CAD/Leo_muziekdoos/I2S_DAC_AMP.sch-bak
Normal file
329
CAD/Leo_muziekdoos/I2S_DAC_AMP.sch-bak
Normal file
@@ -0,0 +1,329 @@
|
||||
EESchema Schematic File Version 4
|
||||
EELAYER 30 0
|
||||
EELAYER END
|
||||
$Descr A4 11693 8268
|
||||
encoding utf-8
|
||||
Sheet 2 5
|
||||
Title ""
|
||||
Date ""
|
||||
Rev ""
|
||||
Comp ""
|
||||
Comment1 ""
|
||||
Comment2 ""
|
||||
Comment3 ""
|
||||
Comment4 ""
|
||||
$EndDescr
|
||||
Wire Wire Line
|
||||
5350 4250 5250 4250
|
||||
Wire Wire Line
|
||||
4550 4150 4550 4050
|
||||
Wire Wire Line
|
||||
5350 3650 5250 3650
|
||||
Wire Wire Line
|
||||
6550 3950 6650 3950
|
||||
Wire Wire Line
|
||||
6550 3650 6650 3650
|
||||
Wire Wire Line
|
||||
6850 3950 7250 3950
|
||||
Wire Wire Line
|
||||
7250 3950 7250 4150
|
||||
Wire Wire Line
|
||||
6850 3650 7550 3650
|
||||
Wire Wire Line
|
||||
7550 3650 7550 4150
|
||||
Wire Wire Line
|
||||
6550 4250 6850 4250
|
||||
Text Label 6850 4250 2 70 ~ 0
|
||||
GAIN
|
||||
$Comp
|
||||
L Leo_muziekdoos-eagle-import:AUDIOAMP_MAX98357 U?
|
||||
U 1 1 60FE0C5F
|
||||
P 5950 3950
|
||||
F 0 "U?" H 5450 4650 42 0000 L BNN
|
||||
F 1 "MAX98357A" H 5450 3250 42 0000 L BNN
|
||||
F 2 "Leo_muziekdoos:QFN16_3MM" H 5950 3950 50 0001 C CNN
|
||||
F 3 "" H 5950 3950 50 0001 C CNN
|
||||
1 5950 3950
|
||||
1 0 0 -1
|
||||
$EndComp
|
||||
$Comp
|
||||
L Leo_muziekdoos-eagle-import:FERRITE-0805NO FB?
|
||||
U 1 1 60FE0C65
|
||||
P 6750 3650
|
||||
F 0 "FB?" H 6700 3725 42 0000 L BNN
|
||||
F 1 "Ferrite" H 6700 3525 42 0000 L BNN
|
||||
F 2 "Leo_muziekdoos:0805-NO" H 6750 3650 50 0001 C CNN
|
||||
F 3 "" H 6750 3650 50 0001 C CNN
|
||||
1 6750 3650
|
||||
1 0 0 -1
|
||||
$EndComp
|
||||
$Comp
|
||||
L Leo_muziekdoos-eagle-import:FERRITE-0805NO FB?
|
||||
U 1 1 60FE0C6B
|
||||
P 6750 3950
|
||||
F 0 "FB?" H 6700 4025 42 0000 L BNN
|
||||
F 1 "Ferrite" H 6700 3825 42 0000 L BNN
|
||||
F 2 "Leo_muziekdoos:0805-NO" H 6750 3950 50 0001 C CNN
|
||||
F 3 "" H 6750 3950 50 0001 C CNN
|
||||
1 6750 3950
|
||||
1 0 0 -1
|
||||
$EndComp
|
||||
Text Notes 5450 3050 0 59 ~ 0
|
||||
R1 Channel Selection:\nLEFT = VDD (0 Ohm)\nRIGHT = 370K (94*VDD-100)\nLEFT/2 + RIGHT/2 = 1.011M (222.2*VDD-100)
|
||||
Text Notes 6850 3350 0 59 ~ 0
|
||||
ToDo: Ferrite (select w/high Z at high F,\nlow Z at low F). Try to block everything\n>1MHz or so.
|
||||
Text Notes 6550 4350 0 59 ~ 0
|
||||
Gain=9dB
|
||||
Text Label 3300 3850 0 70 ~ 0
|
||||
GAIN
|
||||
$Comp
|
||||
L Device:R R?
|
||||
U 1 1 60FE0C75
|
||||
P 3150 3550
|
||||
F 0 "R?" H 3220 3596 50 0000 L CNN
|
||||
F 1 "R" H 3220 3505 50 0000 L CNN
|
||||
F 2 "" V 3080 3550 50 0001 C CNN
|
||||
F 3 "~" H 3150 3550 50 0001 C CNN
|
||||
1 3150 3550
|
||||
1 0 0 -1
|
||||
$EndComp
|
||||
$Comp
|
||||
L Device:R R?
|
||||
U 1 1 60FE0C7B
|
||||
P 3150 4100
|
||||
F 0 "R?" H 3220 4146 50 0000 L CNN
|
||||
F 1 "R" H 3220 4055 50 0000 L CNN
|
||||
F 2 "" V 3080 4100 50 0001 C CNN
|
||||
F 3 "~" H 3150 4100 50 0001 C CNN
|
||||
1 3150 4100
|
||||
1 0 0 -1
|
||||
$EndComp
|
||||
Wire Wire Line
|
||||
3150 3700 3150 3850
|
||||
Wire Wire Line
|
||||
3300 3850 3150 3850
|
||||
Connection ~ 3150 3850
|
||||
Wire Wire Line
|
||||
3150 3850 3150 3950
|
||||
$Comp
|
||||
L power:+3V3 #PWR?
|
||||
U 1 1 60FE0C85
|
||||
P 3150 3250
|
||||
F 0 "#PWR?" H 3150 3100 50 0001 C CNN
|
||||
F 1 "+3V3" H 3165 3423 50 0000 C CNN
|
||||
F 2 "" H 3150 3250 50 0001 C CNN
|
||||
F 3 "" H 3150 3250 50 0001 C CNN
|
||||
1 3150 3250
|
||||
1 0 0 -1
|
||||
$EndComp
|
||||
Wire Wire Line
|
||||
3150 3250 3150 3400
|
||||
$Comp
|
||||
L power:GND #PWR?
|
||||
U 1 1 60FE0C8C
|
||||
P 3150 4400
|
||||
F 0 "#PWR?" H 3150 4150 50 0001 C CNN
|
||||
F 1 "GND" H 3155 4227 50 0000 C CNN
|
||||
F 2 "" H 3150 4400 50 0001 C CNN
|
||||
F 3 "" H 3150 4400 50 0001 C CNN
|
||||
1 3150 4400
|
||||
1 0 0 -1
|
||||
$EndComp
|
||||
Wire Wire Line
|
||||
3150 4400 3150 4250
|
||||
$Comp
|
||||
L Device:C C?
|
||||
U 1 1 60FE0C93
|
||||
P 4550 4500
|
||||
F 0 "C?" H 4436 4454 50 0000 R CNN
|
||||
F 1 "10nF" H 4436 4545 50 0000 R CNN
|
||||
F 2 "" H 4588 4350 50 0001 C CNN
|
||||
F 3 "~" H 4550 4500 50 0001 C CNN
|
||||
1 4550 4500
|
||||
1 0 0 1
|
||||
$EndComp
|
||||
$Comp
|
||||
L Device:C C?
|
||||
U 1 1 60FE0C99
|
||||
P 4900 4500
|
||||
F 0 "C?" H 5015 4546 50 0000 L CNN
|
||||
F 1 "100nF" H 5015 4455 50 0000 L CNN
|
||||
F 2 "" H 4938 4350 50 0001 C CNN
|
||||
F 3 "~" H 4900 4500 50 0001 C CNN
|
||||
1 4900 4500
|
||||
1 0 0 -1
|
||||
$EndComp
|
||||
Wire Wire Line
|
||||
4550 4150 4900 4150
|
||||
Wire Wire Line
|
||||
4900 4350 4900 4150
|
||||
Wire Wire Line
|
||||
4550 4350 4550 4150
|
||||
Connection ~ 4550 4150
|
||||
$Comp
|
||||
L power:GND #PWR?
|
||||
U 1 1 60FE0CA3
|
||||
P 4550 4750
|
||||
F 0 "#PWR?" H 4550 4500 50 0001 C CNN
|
||||
F 1 "GND" H 4555 4577 50 0000 C CNN
|
||||
F 2 "" H 4550 4750 50 0001 C CNN
|
||||
F 3 "" H 4550 4750 50 0001 C CNN
|
||||
1 4550 4750
|
||||
1 0 0 -1
|
||||
$EndComp
|
||||
$Comp
|
||||
L power:GND #PWR?
|
||||
U 1 1 60FE0CA9
|
||||
P 4900 4750
|
||||
F 0 "#PWR?" H 4900 4500 50 0001 C CNN
|
||||
F 1 "GND" H 4905 4577 50 0000 C CNN
|
||||
F 2 "" H 4900 4750 50 0001 C CNN
|
||||
F 3 "" H 4900 4750 50 0001 C CNN
|
||||
1 4900 4750
|
||||
1 0 0 -1
|
||||
$EndComp
|
||||
Wire Wire Line
|
||||
4900 4750 4900 4650
|
||||
Wire Wire Line
|
||||
4550 4750 4550 4650
|
||||
$Comp
|
||||
L power:GND #PWR?
|
||||
U 1 1 60FE0CB1
|
||||
P 5250 4750
|
||||
F 0 "#PWR?" H 5250 4500 50 0001 C CNN
|
||||
F 1 "GND" H 5255 4577 50 0000 C CNN
|
||||
F 2 "" H 5250 4750 50 0001 C CNN
|
||||
F 3 "" H 5250 4750 50 0001 C CNN
|
||||
1 5250 4750
|
||||
1 0 0 -1
|
||||
$EndComp
|
||||
Wire Wire Line
|
||||
5250 4250 5250 4750
|
||||
Connection ~ 4900 4150
|
||||
Wire Wire Line
|
||||
4900 4150 5350 4150
|
||||
$Comp
|
||||
L power:+3V3 #PWR?
|
||||
U 1 1 60FE0CBA
|
||||
P 4550 4050
|
||||
F 0 "#PWR?" H 4550 3900 50 0001 C CNN
|
||||
F 1 "+3V3" H 4565 4223 50 0000 C CNN
|
||||
F 2 "" H 4550 4050 50 0001 C CNN
|
||||
F 3 "" H 4550 4050 50 0001 C CNN
|
||||
1 4550 4050
|
||||
1 0 0 -1
|
||||
$EndComp
|
||||
$Comp
|
||||
L Device:R R?
|
||||
U 1 1 60FE0CC0
|
||||
P 5250 3300
|
||||
F 0 "R?" H 5320 3346 50 0000 L CNN
|
||||
F 1 "1M" H 5320 3255 50 0000 L CNN
|
||||
F 2 "" V 5180 3300 50 0001 C CNN
|
||||
F 3 "~" H 5250 3300 50 0001 C CNN
|
||||
1 5250 3300
|
||||
1 0 0 -1
|
||||
$EndComp
|
||||
Wire Wire Line
|
||||
5250 3450 5250 3650
|
||||
$Comp
|
||||
L power:+3V3 #PWR?
|
||||
U 1 1 60FE0CC7
|
||||
P 5250 3100
|
||||
F 0 "#PWR?" H 5250 2950 50 0001 C CNN
|
||||
F 1 "+3V3" H 5265 3273 50 0000 C CNN
|
||||
F 2 "" H 5250 3100 50 0001 C CNN
|
||||
F 3 "" H 5250 3100 50 0001 C CNN
|
||||
1 5250 3100
|
||||
1 0 0 -1
|
||||
$EndComp
|
||||
Wire Wire Line
|
||||
5250 3100 5250 3150
|
||||
Text HLabel 5150 3650 0 50 Input ~ 0
|
||||
I2S_SD_MODE
|
||||
Text HLabel 5150 3750 0 50 Input ~ 0
|
||||
I2S_BCLK
|
||||
Text HLabel 5150 3850 0 50 Input ~ 0
|
||||
I2S_LRCLK
|
||||
Text HLabel 5150 3950 0 50 Input ~ 0
|
||||
I2S_DIN
|
||||
Wire Wire Line
|
||||
5150 3650 5250 3650
|
||||
Connection ~ 5250 3650
|
||||
Wire Wire Line
|
||||
5150 3950 5350 3950
|
||||
Wire Wire Line
|
||||
5350 3850 5150 3850
|
||||
Wire Wire Line
|
||||
5150 3750 5350 3750
|
||||
$Comp
|
||||
L Device:C C?
|
||||
U 1 1 60FE0CD7
|
||||
P 7250 4300
|
||||
F 0 "C?" H 7050 4300 50 0000 L CNN
|
||||
F 1 "220pF" H 6950 4200 50 0000 L CNN
|
||||
F 2 "" H 7288 4150 50 0001 C CNN
|
||||
F 3 "~" H 7250 4300 50 0001 C CNN
|
||||
1 7250 4300
|
||||
1 0 0 -1
|
||||
$EndComp
|
||||
$Comp
|
||||
L Device:C C?
|
||||
U 1 1 60FE0CDD
|
||||
P 7550 4300
|
||||
F 0 "C?" H 7665 4346 50 0000 L CNN
|
||||
F 1 "220pF" H 7665 4255 50 0000 L CNN
|
||||
F 2 "" H 7588 4150 50 0001 C CNN
|
||||
F 3 "~" H 7550 4300 50 0001 C CNN
|
||||
1 7550 4300
|
||||
1 0 0 -1
|
||||
$EndComp
|
||||
$Comp
|
||||
L power:GND #PWR?
|
||||
U 1 1 60FE0CE3
|
||||
P 7250 4750
|
||||
F 0 "#PWR?" H 7250 4500 50 0001 C CNN
|
||||
F 1 "GND" H 7255 4577 50 0000 C CNN
|
||||
F 2 "" H 7250 4750 50 0001 C CNN
|
||||
F 3 "" H 7250 4750 50 0001 C CNN
|
||||
1 7250 4750
|
||||
1 0 0 -1
|
||||
$EndComp
|
||||
$Comp
|
||||
L power:GND #PWR?
|
||||
U 1 1 60FE0CE9
|
||||
P 7550 4750
|
||||
F 0 "#PWR?" H 7550 4500 50 0001 C CNN
|
||||
F 1 "GND" H 7555 4577 50 0000 C CNN
|
||||
F 2 "" H 7550 4750 50 0001 C CNN
|
||||
F 3 "" H 7550 4750 50 0001 C CNN
|
||||
1 7550 4750
|
||||
1 0 0 -1
|
||||
$EndComp
|
||||
Wire Wire Line
|
||||
7550 4750 7550 4450
|
||||
Wire Wire Line
|
||||
7250 4750 7250 4450
|
||||
Connection ~ 7550 3650
|
||||
Connection ~ 7250 3950
|
||||
Text Label 7650 3650 0 70 ~ 0
|
||||
VO+
|
||||
Text Label 7650 3950 0 70 ~ 0
|
||||
VO-
|
||||
Wire Wire Line
|
||||
7900 3650 7900 3750
|
||||
Wire Wire Line
|
||||
7900 3750 7950 3750
|
||||
Wire Wire Line
|
||||
7550 3650 7900 3650
|
||||
Wire Wire Line
|
||||
7950 3850 7900 3850
|
||||
Wire Wire Line
|
||||
7900 3850 7900 3950
|
||||
Wire Wire Line
|
||||
7250 3950 7900 3950
|
||||
Text HLabel 7950 3750 2 50 Output ~ 0
|
||||
SPKOUT+
|
||||
Text HLabel 7950 3850 2 50 Output ~ 0
|
||||
SPK_OUT-
|
||||
$EndSCHEMATC
|
||||
Reference in New Issue
Block a user