EESchema Schematic File Version 4
EELAYER 30 0
EELAYER END
$Descr A4 11693 8268
encoding utf-8
Sheet 6 19
Title ""
Date ""
Rev ""
Comp ""
Comment1 ""
Comment2 ""
Comment3 ""
Comment4 ""
$EndDescr
$Comp
L Device:R_Small R51
U 1 1 5D9928CB
P 3550 2700
AR Path="/5CA6B0B3/5D83265A/5D9928CB" Ref="R51"  Part="1" 
AR Path="/5CA6B0B3/5D9A8CAE/5D9928CB" Ref="R61"  Part="1" 
F 0 "R51" H 3580 2720 50  0000 L CNN
F 1 "2kR" H 3580 2660 50  0000 L CNN
F 2 "Resistor_SMD:R_0402_1005Metric" H 3550 2700 50  0001 C CNN
F 3 "~" H 3550 2700 50  0001 C CNN
F 4 "603-RC0402FR-072KL" H 3550 2700 50  0001 C CNN "Mouser"
	1    3550 2700
	1    0    0    -1  
$EndComp
$Comp
L Device:R_Small R52
U 1 1 5D992BF1
P 3550 3000
AR Path="/5CA6B0B3/5D83265A/5D992BF1" Ref="R52"  Part="1" 
AR Path="/5CA6B0B3/5D9A8CAE/5D992BF1" Ref="R62"  Part="1" 
F 0 "R52" H 3580 3020 50  0000 L CNN
F 1 "7.5kR 1%" H 3580 2960 50  0000 L CNN
F 2 "Resistor_SMD:R_0402_1005Metric" H 3550 3000 50  0001 C CNN
F 3 "~" H 3550 3000 50  0001 C CNN
F 4 "667-ERJ-2RKF7501X" H 3550 3000 50  0001 C CNN "Mouser"
	1    3550 3000
	1    0    0    -1  
$EndComp
$Comp
L Device:R_Small R53
U 1 1 5D9933B9
P 3550 3300
AR Path="/5CA6B0B3/5D83265A/5D9933B9" Ref="R53"  Part="1" 
AR Path="/5CA6B0B3/5D9A8CAE/5D9933B9" Ref="R63"  Part="1" 
F 0 "R53" H 3580 3320 50  0000 L CNN
F 1 "7.5kR 1%" H 3580 3260 50  0000 L CNN
F 2 "Resistor_SMD:R_0402_1005Metric" H 3550 3300 50  0001 C CNN
F 3 "~" H 3550 3300 50  0001 C CNN
F 4 "667-ERJ-2RKF7501X" H 3550 3300 50  0001 C CNN "Mouser"
	1    3550 3300
	1    0    0    -1  
$EndComp
$Comp
L Device:R_Small R54
U 1 1 5D993558
P 3550 3600
AR Path="/5CA6B0B3/5D83265A/5D993558" Ref="R54"  Part="1" 
AR Path="/5CA6B0B3/5D9A8CAE/5D993558" Ref="R64"  Part="1" 
F 0 "R54" H 3580 3620 50  0000 L CNN
F 1 "7.5kR 1%" H 3580 3560 50  0000 L CNN
F 2 "Resistor_SMD:R_0402_1005Metric" H 3550 3600 50  0001 C CNN
F 3 "~" H 3550 3600 50  0001 C CNN
F 4 "667-ERJ-2RKF7501X" H 3550 3600 50  0001 C CNN "Mouser"
	1    3550 3600
	1    0    0    -1  
$EndComp
$Comp
L Device:R_Small R55
U 1 1 5D993922
P 3550 3900
AR Path="/5CA6B0B3/5D83265A/5D993922" Ref="R55"  Part="1" 
AR Path="/5CA6B0B3/5D9A8CAE/5D993922" Ref="R65"  Part="1" 
F 0 "R55" H 3580 3920 50  0000 L CNN
F 1 "15kR 1%" H 3580 3860 50  0000 L CNN
F 2 "Resistor_SMD:R_0805_2012Metric_Pad1.15x1.40mm_HandSolder" H 3550 3900 50  0001 C CNN
F 3 "~" H 3550 3900 50  0001 C CNN
F 4 "71-CRCW080515K0FKEBC" H 3550 3900 50  0001 C CNN "Mouser"
	1    3550 3900
	1    0    0    -1  
$EndComp
$Comp
L Device:R_Small R47
U 1 1 5D994F7A
P 3350 2850
AR Path="/5CA6B0B3/5D83265A/5D994F7A" Ref="R47"  Part="1" 
AR Path="/5CA6B0B3/5D9A8CAE/5D994F7A" Ref="R57"  Part="1" 
F 0 "R47" V 3450 2800 50  0000 L CNN
F 1 "15kR 1%" V 3550 2750 50  0000 L CNN
F 2 "Resistor_SMD:R_0805_2012Metric_Pad1.15x1.40mm_HandSolder" H 3350 2850 50  0001 C CNN
F 3 "~" H 3350 2850 50  0001 C CNN
F 4 "71-CRCW080515K0FKEBC" H 3350 2850 50  0001 C CNN "Mouser"
	1    3350 2850
	0    -1   1    0   
$EndComp
$Comp
L Device:R_Small R48
U 1 1 5D996451
P 3350 3150
AR Path="/5CA6B0B3/5D83265A/5D996451" Ref="R48"  Part="1" 
AR Path="/5CA6B0B3/5D9A8CAE/5D996451" Ref="R58"  Part="1" 
F 0 "R48" V 3450 3100 50  0000 L CNN
F 1 "15kR 1%" V 3550 3050 50  0000 L CNN
F 2 "Resistor_SMD:R_0805_2012Metric_Pad1.15x1.40mm_HandSolder" H 3350 3150 50  0001 C CNN
F 3 "~" H 3350 3150 50  0001 C CNN
F 4 "71-CRCW080515K0FKEBC" H 3350 3150 50  0001 C CNN "Mouser"
	1    3350 3150
	0    -1   1    0   
$EndComp
$Comp
L Device:R_Small R49
U 1 1 5D99666E
P 3350 3450
AR Path="/5CA6B0B3/5D83265A/5D99666E" Ref="R49"  Part="1" 
AR Path="/5CA6B0B3/5D9A8CAE/5D99666E" Ref="R59"  Part="1" 
F 0 "R49" V 3450 3400 50  0000 L CNN
F 1 "15kR 1%" V 3550 3350 50  0000 L CNN
F 2 "Resistor_SMD:R_0805_2012Metric_Pad1.15x1.40mm_HandSolder" H 3350 3450 50  0001 C CNN
F 3 "~" H 3350 3450 50  0001 C CNN
F 4 "71-CRCW080515K0FKEBC" H 3350 3450 50  0001 C CNN "Mouser"
	1    3350 3450
	0    -1   1    0   
$EndComp
$Comp
L Device:R_Small R50
U 1 1 5D99690F
P 3350 3750
AR Path="/5CA6B0B3/5D83265A/5D99690F" Ref="R50"  Part="1" 
AR Path="/5CA6B0B3/5D9A8CAE/5D99690F" Ref="R60"  Part="1" 
F 0 "R50" V 3450 3700 50  0000 L CNN
F 1 "15kR 1%" V 3550 3650 50  0000 L CNN
F 2 "Resistor_SMD:R_0805_2012Metric_Pad1.15x1.40mm_HandSolder" H 3350 3750 50  0001 C CNN
F 3 "~" H 3350 3750 50  0001 C CNN
F 4 "71-CRCW080515K0FKEBC" H 3350 3750 50  0001 C CNN "Mouser"
	1    3350 3750
	0    -1   1    0   
$EndComp
Wire Wire Line
	3550 4100 3550 4000
Wire Wire Line
	3550 3800 3550 3750
Wire Wire Line
	3550 3500 3550 3450
Wire Wire Line
	3550 3200 3550 3150
Wire Wire Line
	3550 2900 3550 2850
Wire Wire Line
	3450 2850 3550 2850
Connection ~ 3550 2850
Wire Wire Line
	3550 2850 3550 2800
Wire Wire Line
	3550 3150 3450 3150
Connection ~ 3550 3150
Wire Wire Line
	3550 3150 3550 3100
Wire Wire Line
	3450 3450 3550 3450
Connection ~ 3550 3450
Wire Wire Line
	3550 3450 3550 3400
Wire Wire Line
	3450 3750 3550 3750
Connection ~ 3550 3750
Wire Wire Line
	3550 3750 3550 3700
$Comp
L Device:Q_NPN_BCE Q12
U 1 1 5D998D16
P 4100 2850
AR Path="/5CA6B0B3/5D83265A/5D998D16" Ref="Q12"  Part="1" 
AR Path="/5CA6B0B3/5D9A8CAE/5D998D16" Ref="Q13"  Part="1" 
F 0 "Q12" H 4300 2900 50  0000 L CNN
F 1 "Q_NPN_BCE" H 4300 2800 50  0000 L CNN
F 2 "" H 4300 2950 50  0001 C CNN
F 3 "~" H 4100 2850 50  0001 C CNN
	1    4100 2850
	1    0    0    -1  
$EndComp
Wire Wire Line
	3900 2850 3550 2850
Wire Wire Line
	3000 2850 3250 2850
Wire Wire Line
	3000 3150 3250 3150
Wire Wire Line
	3000 3450 3250 3450
Wire Wire Line
	3000 3750 3250 3750
Wire Wire Line
	3550 1800 3550 1900
$Comp
L Device:R_Small R56
U 1 1 5D99E2FA
P 4200 3300
AR Path="/5CA6B0B3/5D83265A/5D99E2FA" Ref="R56"  Part="1" 
AR Path="/5CA6B0B3/5D9A8CAE/5D99E2FA" Ref="R66"  Part="1" 
F 0 "R56" H 4230 3320 50  0000 L CNN
F 1 "470R" H 4230 3260 50  0000 L CNN
F 2 "Resistor_SMD:R_0402_1005Metric" H 4200 3300 50  0001 C CNN
F 3 "~" H 4200 3300 50  0001 C CNN
F 4 "603-RC0402JR-13470RL" H 4200 3300 50  0001 C CNN "Mouser"
	1    4200 3300
	1    0    0    -1  
$EndComp
Wire Wire Line
	4200 3200 4200 3100
Wire Wire Line
	4500 3100 4200 3100
Connection ~ 4200 3100
Wire Wire Line
	4200 3100 4200 3050
Text HLabel 4500 3100 2    50   Input ~ 0
OUT
Text HLabel 4200 1800 1    50   Input ~ 0
+5V
Text HLabel 3550 1800 1    50   Input ~ 0
+3V3
Text HLabel 3000 3750 0    50   Input ~ 0
D0
Text HLabel 3000 3450 0    50   Input ~ 0
D1
Text HLabel 3000 3150 0    50   Input ~ 0
D2
Text HLabel 3000 2850 0    50   Input ~ 0
D3
Text Notes 2900 2700 0    50   ~ 0
MSB
Text Notes 2900 3950 0    50   ~ 0
LSB
Wire Wire Line
	4200 4100 3550 4100
Wire Wire Line
	4200 3400 4200 4100
Text HLabel 3000 4100 0    50   Input ~ 0
DAC_GND
Wire Wire Line
	3000 4100 3550 4100
Connection ~ 3550 4100
$Comp
L Device:C_Small C71
U 1 1 5DC04556
P 2950 2150
AR Path="/5CA6B0B3/5D83265A/5DC04556" Ref="C71"  Part="1" 
AR Path="/5CA6B0B3/5D9A8CAE/5DC04556" Ref="C79"  Part="1" 
F 0 "C71" H 2960 2220 50  0000 L CNN
F 1 "1 uF" H 2960 2070 50  0000 L CNN
F 2 "Capacitor_SMD:C_0402_1005Metric" H 2950 2150 50  0001 C CNN
F 3 "~" H 2950 2150 50  0001 C CNN
F 4 "963-EMK105BJ105KV-F" H 2950 2150 50  0001 C CNN "Mouser"
	1    2950 2150
	1    0    0    -1  
$EndComp
$Comp
L Device:C_Small C70
U 1 1 5DC04C84
P 2600 2150
AR Path="/5CA6B0B3/5D83265A/5DC04C84" Ref="C70"  Part="1" 
AR Path="/5CA6B0B3/5D9A8CAE/5DC04C84" Ref="C78"  Part="1" 
F 0 "C70" H 2610 2220 50  0000 L CNN
F 1 "0.47 uF" H 2610 2070 50  0000 L CNN
F 2 "Capacitor_SMD:C_0402_1005Metric" H 2600 2150 50  0001 C CNN
F 3 "~" H 2600 2150 50  0001 C CNN
F 4 "963-JMK105BJ474MV-F" H 2600 2150 50  0001 C CNN "Mouser"
	1    2600 2150
	1    0    0    -1  
$EndComp
$Comp
L Device:C_Small C69
U 1 1 5DC04F33
P 2200 2150
AR Path="/5CA6B0B3/5D83265A/5DC04F33" Ref="C69"  Part="1" 
AR Path="/5CA6B0B3/5D9A8CAE/5DC04F33" Ref="C77"  Part="1" 
F 0 "C69" H 2210 2220 50  0000 L CNN
F 1 "0.1 uF" H 2210 2070 50  0000 L CNN
F 2 "Capacitor_SMD:C_0402_1005Metric" H 2200 2150 50  0001 C CNN
F 3 "~" H 2200 2150 50  0001 C CNN
F 4 "80-C0402C104M4P" H 2200 2150 50  0001 C CNN "Mouser"
	1    2200 2150
	1    0    0    -1  
$EndComp
$Comp
L Device:C_Small C68
U 1 1 5DC05279
P 1800 2150
AR Path="/5CA6B0B3/5D83265A/5DC05279" Ref="C68"  Part="1" 
AR Path="/5CA6B0B3/5D9A8CAE/5DC05279" Ref="C76"  Part="1" 
F 0 "C68" H 1810 2220 50  0000 L CNN
F 1 "0.1 uF" H 1810 2070 50  0000 L CNN
F 2 "Capacitor_SMD:C_0402_1005Metric" H 1800 2150 50  0001 C CNN
F 3 "~" H 1800 2150 50  0001 C CNN
F 4 "80-C0402C104M4P" H 1800 2150 50  0001 C CNN "Mouser"
	1    1800 2150
	1    0    0    -1  
$EndComp
Wire Wire Line
	3550 1900 2950 1900
Wire Wire Line
	2950 1900 2950 2050
Connection ~ 3550 1900
Wire Wire Line
	3550 1900 3550 2600
Wire Wire Line
	2950 1900 2600 1900
Wire Wire Line
	2600 1900 2600 2050
Connection ~ 2950 1900
Wire Wire Line
	2600 1900 2200 1900
Wire Wire Line
	2200 1900 2200 2050
Connection ~ 2600 1900
Wire Wire Line
	2200 1900 1800 1900
Wire Wire Line
	1800 1900 1800 2050
Connection ~ 2200 1900
Text Label 4200 4100 0    50   ~ 0
DGND
Text Label 3200 2350 0    50   ~ 0
DGND
Wire Wire Line
	3200 2350 2950 2350
Wire Wire Line
	1800 2350 1800 2250
Wire Wire Line
	2200 2250 2200 2350
Connection ~ 2200 2350
Wire Wire Line
	2200 2350 1800 2350
Wire Wire Line
	2600 2250 2600 2350
Connection ~ 2600 2350
Wire Wire Line
	2600 2350 2200 2350
Wire Wire Line
	2950 2250 2950 2350
Connection ~ 2950 2350
Wire Wire Line
	2950 2350 2600 2350
$Comp
L Device:C_Small C72
U 1 1 5DC0F871
P 4750 2150
AR Path="/5CA6B0B3/5D83265A/5DC0F871" Ref="C72"  Part="1" 
AR Path="/5CA6B0B3/5D9A8CAE/5DC0F871" Ref="C80"  Part="1" 
F 0 "C72" H 4760 2220 50  0000 L CNN
F 1 "1 uF" H 4760 2070 50  0000 L CNN
F 2 "Capacitor_SMD:C_0402_1005Metric" H 4750 2150 50  0001 C CNN
F 3 "~" H 4750 2150 50  0001 C CNN
F 4 "963-EMK105BJ105KV-F" H 4750 2150 50  0001 C CNN "Mouser"
	1    4750 2150
	-1   0    0    -1  
$EndComp
$Comp
L Device:C_Small C73
U 1 1 5DC0F877
P 5100 2150
AR Path="/5CA6B0B3/5D83265A/5DC0F877" Ref="C73"  Part="1" 
AR Path="/5CA6B0B3/5D9A8CAE/5DC0F877" Ref="C81"  Part="1" 
F 0 "C73" H 5110 2220 50  0000 L CNN
F 1 "0.47 uF" H 5110 2070 50  0000 L CNN
F 2 "Capacitor_SMD:C_0402_1005Metric" H 5100 2150 50  0001 C CNN
F 3 "~" H 5100 2150 50  0001 C CNN
F 4 "963-JMK105BJ474MV-F" H 5100 2150 50  0001 C CNN "Mouser"
	1    5100 2150
	-1   0    0    -1  
$EndComp
$Comp
L Device:C_Small C74
U 1 1 5DC0F87D
P 5500 2150
AR Path="/5CA6B0B3/5D83265A/5DC0F87D" Ref="C74"  Part="1" 
AR Path="/5CA6B0B3/5D9A8CAE/5DC0F87D" Ref="C82"  Part="1" 
F 0 "C74" H 5510 2220 50  0000 L CNN
F 1 "0.1 uF" H 5510 2070 50  0000 L CNN
F 2 "Capacitor_SMD:C_0402_1005Metric" H 5500 2150 50  0001 C CNN
F 3 "~" H 5500 2150 50  0001 C CNN
F 4 "80-C0402C104M4P" H 5500 2150 50  0001 C CNN "Mouser"
	1    5500 2150
	-1   0    0    -1  
$EndComp
$Comp
L Device:C_Small C75
U 1 1 5DC0F883
P 5900 2150
AR Path="/5CA6B0B3/5D83265A/5DC0F883" Ref="C75"  Part="1" 
AR Path="/5CA6B0B3/5D9A8CAE/5DC0F883" Ref="C83"  Part="1" 
F 0 "C75" H 5910 2220 50  0000 L CNN
F 1 "0.1 uF" H 5910 2070 50  0000 L CNN
F 2 "Capacitor_SMD:C_0402_1005Metric" H 5900 2150 50  0001 C CNN
F 3 "~" H 5900 2150 50  0001 C CNN
F 4 "80-C0402C104M4P" H 5900 2150 50  0001 C CNN "Mouser"
	1    5900 2150
	-1   0    0    -1  
$EndComp
Wire Wire Line
	4200 1900 4750 1900
Wire Wire Line
	4750 1900 4750 2050
Wire Wire Line
	4750 1900 5100 1900
Wire Wire Line
	5100 1900 5100 2050
Connection ~ 4750 1900
Wire Wire Line
	5100 1900 5500 1900
Wire Wire Line
	5500 1900 5500 2050
Connection ~ 5100 1900
Wire Wire Line
	5500 1900 5900 1900
Wire Wire Line
	5900 1900 5900 2050
Connection ~ 5500 1900
Text Label 4500 2350 2    50   ~ 0
DGND
Wire Wire Line
	4500 2350 4750 2350
Wire Wire Line
	5900 2350 5900 2250
Wire Wire Line
	5500 2250 5500 2350
Connection ~ 5500 2350
Wire Wire Line
	5500 2350 5900 2350
Wire Wire Line
	5100 2250 5100 2350
Connection ~ 5100 2350
Wire Wire Line
	5100 2350 5500 2350
Wire Wire Line
	4750 2250 4750 2350
Connection ~ 4750 2350
Wire Wire Line
	4750 2350 5100 2350
Wire Wire Line
	4200 1800 4200 1900
Connection ~ 4200 1900
Wire Wire Line
	4200 1900 4200 2650
$EndSCHEMATC