EESchema Schematic File Version 2
LIBS:power
LIBS:device
LIBS:transistors
LIBS:conn
LIBS:linear
LIBS:regul
LIBS:74xx
LIBS:cmos4000
LIBS:adc-dac
LIBS:memory
LIBS:xilinx
LIBS:microcontrollers
LIBS:dsp
LIBS:microchip
LIBS:analog_switches
LIBS:motorola
LIBS:texas
LIBS:intel
LIBS:audio
LIBS:interface
LIBS:digital-audio
LIBS:philips
LIBS:display
LIBS:cypress
LIBS:siliconi
LIBS:opto
LIBS:atmel
LIBS:contrib
LIBS:valves
LIBS:ad8616
LIBS:icl7660
LIBS:ada4530-1
LIBS:ada4522-2
LIBS:ltc6268
LIBS:analog_board_v0.33-cache
EELAYER 25 0
EELAYER END
$Descr A4 11693 8268
encoding utf-8
Sheet 4 4
Title "High Current Part of Analog Board"
Date "2017-08-20"
Rev "v0.3"
Comp "UppSense Heart Failure Diagnostics"
Comment1 ""
Comment2 ""
Comment3 ""
Comment4 ""
$EndDescr
$Comp
L R R12
U 1 1 5940A522
P 4500 3300
F 0 "R12" V 4580 3300 50  0000 C CNN
F 1 "1M" V 4500 3300 50  0000 C CNN
F 2 "Resistors_SMD:R_0805" V 4430 3300 50  0001 C CNN
F 3 "" H 4500 3300 50  0000 C CNN
F 4 "1576507" V 4500 3300 60  0001 C CNN "Farnell"
	1    4500 3300
	0    1    -1   0   
$EndComp
$Comp
L D_Photo D3
U 1 1 5940A54D
P 5275 4150
F 0 "D3" H 5295 4220 50  0000 L CNN
F 1 "BPW34" H 5235 4040 50  0000 C CNN
F 2 "Photodiodes:BPW34FA" H 5225 4150 50  0001 C CNN
F 3 "http://www.farnell.com/datasheets/2046123.pdf" H 5225 4150 50  0001 C CNN
F 4 "1045425" H 5275 4150 60  0001 C CNN "Farnell"
	1    5275 4150
	0    -1   1    0   
$EndComp
$Comp
L LED D2
U 1 1 5940A5C4
P 1125 2975
F 0 "D2" H 1125 3075 50  0000 C CNN
F 1 "LED" H 1125 2875 50  0000 C CNN
F 2 "LEDs:LED_D5.0mm" H 1125 2975 50  0001 C CNN
F 3 "" H 1125 2975 50  0000 C CNN
	1    1125 2975
	0    -1   -1   0   
$EndComp
$Comp
L R R10
U 1 1 5940A5D3
P 1125 4025
F 0 "R10" V 1205 4025 50  0000 C CNN
F 1 "100R" V 1125 4025 50  0000 C CNN
F 2 "Resistors_SMD:R_0805" V 1055 4025 50  0001 C CNN
F 3 "" H 1125 4025 50  0000 C CNN
F 4 "9237364" V 1125 4025 60  0001 C CNN "Farnell"
	1    1125 4025
	1    0    0    -1  
$EndComp
$Comp
L +5V #PWR020
U 1 1 5940A5DC
P 1125 2750
F 0 "#PWR020" H 1125 2600 50  0001 C CNN
F 1 "+5V" H 1125 2890 50  0000 C CNN
F 2 "" H 1125 2750 50  0000 C CNN
F 3 "" H 1125 2750 50  0000 C CNN
	1    1125 2750
	1    0    0    -1  
$EndComp
$Comp
L GND #PWR021
U 1 1 5940A5E4
P 2225 3650
F 0 "#PWR021" H 2225 3400 50  0001 C CNN
F 1 "GND" H 2225 3500 50  0000 C CNN
F 2 "" H 2225 3650 50  0000 C CNN
F 3 "" H 2225 3650 50  0000 C CNN
	1    2225 3650
	-1   0    0    1   
$EndComp
$Comp
L MMBT3904 Q1
U 1 1 5940A5EB
P 1225 3400
F 0 "Q1" H 1425 3475 50  0000 L CNN
F 1 "MMBT3904" H 1425 3400 50  0000 L CNN
F 2 "TO_SOT_Packages_SMD:SOT-23" H 1425 3325 50  0001 L CIN
F 3 "https://www.fairchildsemi.com/datasheets/MM/MMBT3904.pdf" H 1225 3400 50  0001 L CNN
F 4 "1757935" H 1225 3400 60  0001 C CNN "Farnell"
	1    1225 3400
	-1   0    0    -1  
$EndComp
Text GLabel 1700 4050 0    60   Input ~ 0
Signal
Text GLabel 1975 4875 2    60   Output ~ 0
Signal
$Comp
L C C13
U 1 1 594122D8
P 2725 1975
F 0 "C13" H 2750 2075 50  0000 L CNN
F 1 "1u" H 2750 1875 50  0000 L CNN
F 2 "Resistors_SMD:R_0805" H 2763 1825 50  0001 C CNN
F 3 "" H 2725 1975 50  0000 C CNN
F 4 "2496946" H 2725 1975 60  0001 C CNN "Farnell"
	1    2725 1975
	1    0    0    -1  
$EndComp
$Comp
L C C14
U 1 1 594122E0
P 2975 1975
F 0 "C14" H 3000 2075 50  0000 L CNN
F 1 "100n" H 3000 1875 50  0000 L CNN
F 2 "Resistors_SMD:R_0805" H 3013 1825 50  0001 C CNN
F 3 "" H 2975 1975 50  0000 C CNN
F 4 "499687" H 2975 1975 60  0001 C CNN "Farnell"
	1    2975 1975
	1    0    0    -1  
$EndComp
$Comp
L C C15
U 1 1 594122E8
P 3225 1975
F 0 "C15" H 3250 2075 50  0000 L CNN
F 1 "10n" H 3250 1875 50  0000 L CNN
F 2 "Resistors_SMD:R_0805" H 3263 1825 50  0001 C CNN
F 3 "" H 3225 1975 50  0000 C CNN
F 4 "1414662" H 3225 1975 60  0001 C CNN "Farnell"
	1    3225 1975
	1    0    0    -1  
$EndComp
Wire Wire Line
	2725 1825 3525 1825
Connection ~ 2975 1825
$Comp
L GND #PWR022
U 1 1 594122F3
P 2725 2200
F 0 "#PWR022" H 2725 1950 50  0001 C CNN
F 1 "GND" H 2725 2050 50  0000 C CNN
F 2 "" H 2725 2200 50  0000 C CNN
F 3 "" H 2725 2200 50  0000 C CNN
	1    2725 2200
	1    0    0    -1  
$EndComp
Wire Wire Line
	2725 2125 2725 2200
Wire Wire Line
	2725 2125 3225 2125
Connection ~ 2975 2125
Text Notes 2125 1450 0    60   ~ 0
Place decoupling capacitors close to component!
Text HLabel 3650 3950 0    60   Output ~ 0
BPW34_OUT
Connection ~ 3225 1825
Text HLabel 1775 4875 0    60   Input ~ 0
LED_CONTROLL
$Comp
L C C16
U 1 1 5956BF7A
P 4500 2925
F 0 "C16" H 4525 3025 50  0000 L CNN
F 1 "100n" H 4525 2825 50  0000 L CNN
F 2 "Resistors_SMD:R_0805" H 4538 2775 50  0001 C CNN
F 3 "" H 4500 2925 50  0000 C CNN
F 4 "499687" H 4500 2925 60  0001 C CNN "Farnell"
	1    4500 2925
	0    1    1    0   
$EndComp
Text Notes 3200 2700 0    60   ~ 0
Low-pass has a cut-off freq. of approx. 1.6 Hz, ergo DC.
$Comp
L +3.3V #PWR023
U 1 1 595BE0DA
P 3525 1750
F 0 "#PWR023" H 3525 1600 50  0001 C CNN
F 1 "+3.3V" H 3525 1890 50  0000 C CNN
F 2 "" H 3525 1750 50  0001 C CNN
F 3 "" H 3525 1750 50  0001 C CNN
	1    3525 1750
	-1   0    0    -1  
$EndComp
$Comp
L LM358 U3
U 2 1 5992FDFB
P 4350 3950
F 0 "U3" H 4350 4150 50  0000 L CNN
F 1 "LM358" H 4350 3750 50  0000 L CNN
F 2 "SMD_Packages:SOIC-8-N" H 4350 3950 50  0001 C CNN
F 3 "http://www.farnell.com/datasheets/2000357.pdf" H 4350 3950 50  0001 C CNN
F 4 "1564331" H 4350 3950 60  0001 C CNN "Farnell"
	2    4350 3950
	-1   0    0    1   
$EndComp
Wire Wire Line
	3525 1825 3525 1750
$Comp
L GND #PWR024
U 1 1 599308E2
P 4450 3650
F 0 "#PWR024" H 4450 3400 50  0001 C CNN
F 1 "GND" H 4450 3500 50  0000 C CNN
F 2 "" H 4450 3650 50  0000 C CNN
F 3 "" H 4450 3650 50  0000 C CNN
	1    4450 3650
	-1   0    0    1   
$EndComp
$Comp
L +3.3V #PWR025
U 1 1 599309A5
P 4450 4250
F 0 "#PWR025" H 4450 4100 50  0001 C CNN
F 1 "+3.3V" H 4450 4390 50  0000 C CNN
F 2 "" H 4450 4250 50  0001 C CNN
F 3 "" H 4450 4250 50  0001 C CNN
	1    4450 4250
	1    0    0    1   
$EndComp
Wire Wire Line
	3825 2925 3825 3950
Wire Wire Line
	3650 3950 4050 3950
Wire Wire Line
	5275 3850 4650 3850
Wire Wire Line
	4650 3300 5275 3300
Wire Wire Line
	5275 2925 5275 3950
Connection ~ 5275 3850
Wire Wire Line
	4350 3300 3825 3300
Wire Wire Line
	4350 2925 3825 2925
Connection ~ 3825 3300
Wire Wire Line
	4650 2925 5275 2925
Connection ~ 5275 3300
$Comp
L GND #PWR026
U 1 1 5993156D
P 5275 4425
F 0 "#PWR026" H 5275 4175 50  0001 C CNN
F 1 "GND" H 5275 4275 50  0000 C CNN
F 2 "" H 5275 4425 50  0000 C CNN
F 3 "" H 5275 4425 50  0000 C CNN
	1    5275 4425
	1    0    0    -1  
$EndComp
Wire Wire Line
	5275 4425 5275 4250
$Comp
L GND #PWR027
U 1 1 5993166E
P 4850 4425
F 0 "#PWR027" H 4850 4175 50  0001 C CNN
F 1 "GND" H 4850 4275 50  0000 C CNN
F 2 "" H 4850 4425 50  0000 C CNN
F 3 "" H 4850 4425 50  0000 C CNN
	1    4850 4425
	1    0    0    -1  
$EndComp
Wire Wire Line
	4650 4050 4850 4050
Wire Wire Line
	4850 4050 4850 4425
Connection ~ 3825 3950
Wire Wire Line
	2625 3950 2825 3950
Wire Wire Line
	2825 3950 2825 3400
Wire Wire Line
	2825 3400 1425 3400
Wire Wire Line
	1125 3600 1125 3875
Wire Wire Line
	2025 3850 1125 3850
Connection ~ 1125 3850
$Comp
L GND #PWR028
U 1 1 59933226
P 1125 4400
F 0 "#PWR028" H 1125 4150 50  0001 C CNN
F 1 "GND" H 1125 4250 50  0000 C CNN
F 2 "" H 1125 4400 50  0000 C CNN
F 3 "" H 1125 4400 50  0000 C CNN
	1    1125 4400
	1    0    0    -1  
$EndComp
Wire Wire Line
	1125 4175 1125 4400
$Comp
L +3.3V #PWR029
U 1 1 5993334C
P 2225 4250
F 0 "#PWR029" H 2225 4100 50  0001 C CNN
F 1 "+3.3V" H 2225 4390 50  0000 C CNN
F 2 "" H 2225 4250 50  0001 C CNN
F 3 "" H 2225 4250 50  0001 C CNN
	1    2225 4250
	1    0    0    1   
$EndComp
Wire Wire Line
	1125 3125 1125 3200
$Comp
L R R11
U 1 1 599338A5
P 1850 4250
F 0 "R11" V 1930 4250 50  0000 C CNN
F 1 "10k" V 1850 4250 50  0000 C CNN
F 2 "Resistors_SMD:R_0805" V 1780 4250 50  0001 C CNN
F 3 "" H 1850 4250 50  0000 C CNN
F 4 "9237755" V 1850 4250 60  0001 C CNN "Farnell"
	1    1850 4250
	-1   0    0    1   
$EndComp
Wire Wire Line
	1700 4050 2025 4050
Wire Wire Line
	1850 4050 1850 4100
Connection ~ 1850 4050
$Comp
L GND #PWR030
U 1 1 59933D3E
P 1850 4400
F 0 "#PWR030" H 1850 4150 50  0001 C CNN
F 1 "GND" H 1850 4250 50  0000 C CNN
F 2 "" H 1850 4400 50  0000 C CNN
F 3 "" H 1850 4400 50  0000 C CNN
	1    1850 4400
	1    0    0    -1  
$EndComp
$Comp
L LM358 U3
U 1 1 599346AA
P 2325 3950
F 0 "U3" H 2325 4150 50  0000 L CNN
F 1 "LM358" H 2325 3750 50  0000 L CNN
F 2 "SMD_Packages:SOIC-8-N" H 2325 3950 50  0001 C CNN
F 3 "http://www.farnell.com/datasheets/2000357.pdf" H 2325 3950 50  0001 C CNN
F 4 "1564331" H 2325 3950 60  0001 C CNN "Farnell"
	1    2325 3950
	1    0    0    1   
$EndComp
Wire Wire Line
	1775 4875 1975 4875
$Comp
L C C17
U 1 1 59935E81
P 6050 1900
F 0 "C17" H 6075 2000 50  0000 L CNN
F 1 "10u" H 6075 1800 50  0000 L CNN
F 2 "Resistors_SMD:R_0805" H 6088 1750 50  0001 C CNN
F 3 "" H 6050 1900 50  0001 C CNN
F 4 "1833812" H 6050 1900 60  0001 C CNN "Farnell"
	1    6050 1900
	1    0    0    -1  
$EndComp
$Comp
L +3.3V #PWR031
U 1 1 59935E92
P 7700 1525
F 0 "#PWR031" H 7700 1375 50  0001 C CNN
F 1 "+3.3V" H 7700 1665 50  0000 C CNN
F 2 "" H 7700 1525 50  0001 C CNN
F 3 "" H 7700 1525 50  0001 C CNN
	1    7700 1525
	1    0    0    -1  
$EndComp
$Comp
L C C18
U 1 1 59935E9B
P 6575 2350
F 0 "C18" H 6600 2450 50  0000 L CNN
F 1 "10u" H 6600 2250 50  0000 L CNN
F 2 "Resistors_SMD:R_0805" H 6613 2200 50  0001 C CNN
F 3 "" H 6575 2350 50  0001 C CNN
F 4 "1833812" H 6575 2350 60  0001 C CNN "Farnell"
	1    6575 2350
	1    0    0    -1  
$EndComp
$Comp
L GND #PWR032
U 1 1 59935EA3
P 6575 2525
F 0 "#PWR032" H 6575 2275 50  0001 C CNN
F 1 "GND" H 6575 2375 50  0000 C CNN
F 2 "" H 6575 2525 50  0001 C CNN
F 3 "" H 6575 2525 50  0001 C CNN
	1    6575 2525
	1    0    0    -1  
$EndComp
NoConn ~ 7500 1750
Text Notes 7325 3300 0    60   ~ 0
Place decoupling capacitors close to component!
$Comp
L +3.3V #PWR033
U 1 1 59935EBE
P 6525 1525
F 0 "#PWR033" H 6525 1375 50  0001 C CNN
F 1 "+3.3V" H 6525 1665 50  0000 C CNN
F 2 "" H 6525 1525 50  0001 C CNN
F 3 "" H 6525 1525 50  0001 C CNN
	1    6525 1525
	-1   0    0    -1  
$EndComp
$Comp
L ICL7660S U4
U 1 1 59935ED1
P 7100 1600
F 0 "U4" H 6945 1730 40  0000 C CNN
F 1 "ICL7660S" H 7225 1730 40  0000 C CNN
F 2 "SMD_Packages:SOIC-8-N" H 7100 1600 60  0001 C CNN
F 3 "http://www.farnell.com/datasheets/2059962.pdf" H 7100 1600 60  0001 C CNN
F 4 "1561969" H 7100 1600 60  0001 C CNN "Farnell"
	1    7100 1600
	1    0    0    -1  
$EndComp
Wire Wire Line
	6525 1600 6700 1600
Wire Wire Line
	6525 1900 6700 1900
Wire Wire Line
	6575 1900 6575 2200
Wire Wire Line
	6575 2500 6575 2525
Wire Wire Line
	7500 1900 7700 1900
Wire Wire Line
	6050 2050 6050 2125
Wire Wire Line
	6050 2125 6250 2125
Wire Wire Line
	6250 2125 6250 2050
Wire Wire Line
	6250 2050 6700 2050
Wire Wire Line
	6050 1750 6050 1675
Wire Wire Line
	6050 1675 6250 1675
Wire Wire Line
	6250 1675 6250 1750
Wire Wire Line
	6250 1750 6700 1750
Wire Wire Line
	6525 1525 6525 1600
Wire Wire Line
	7500 1600 7825 1600
Wire Wire Line
	7825 1600 7825 1800
$Comp
L C C19
U 1 1 5993721F
P 7825 1950
F 0 "C19" H 7850 2050 50  0000 L CNN
F 1 "10u" H 7850 1850 50  0000 L CNN
F 2 "Resistors_SMD:R_0805" H 7863 1800 50  0001 C CNN
F 3 "" H 7825 1950 50  0001 C CNN
F 4 "1833812" H 7825 1950 60  0001 C CNN "Farnell"
	1    7825 1950
	1    0    0    -1  
$EndComp
Wire Wire Line
	7700 1525 7700 1600
Connection ~ 7700 1600
$Comp
L C C20
U 1 1 59937E8F
P 8175 1925
F 0 "C20" H 8200 2025 50  0000 L CNN
F 1 "10u" H 8200 1825 50  0000 L CNN
F 2 "Resistors_SMD:R_0805" H 8213 1775 50  0001 C CNN
F 3 "" H 8175 1925 50  0001 C CNN
F 4 "1833812" H 8175 1925 60  0001 C CNN "Farnell"
	1    8175 1925
	1    0    0    -1  
$EndComp
$Comp
L GND #PWR034
U 1 1 59937EA2
P 8700 2550
F 0 "#PWR034" H 8700 2300 50  0001 C CNN
F 1 "GND" H 8700 2400 50  0000 C CNN
F 2 "" H 8700 2550 50  0001 C CNN
F 3 "" H 8700 2550 50  0001 C CNN
	1    8700 2550
	1    0    0    -1  
$EndComp
NoConn ~ 9625 1775
$Comp
L ICL7660S U5
U 1 1 59937EB1
P 9225 1625
F 0 "U5" H 9070 1755 40  0000 C CNN
F 1 "ICL7660S" H 9350 1755 40  0000 C CNN
F 2 "SMD_Packages:SOIC-8-N" H 9225 1625 60  0001 C CNN
F 3 "http://www.farnell.com/datasheets/2059962.pdf" H 9225 1625 60  0001 C CNN
F 4 "1561969" H 9225 1625 60  0001 C CNN "Farnell"
	1    9225 1625
	1    0    0    -1  
$EndComp
Wire Wire Line
	8650 1625 8825 1625
Wire Wire Line
	8825 1925 8700 1925
Wire Wire Line
	8700 1925 8700 2550
$Comp
L GND #PWR035
U 1 1 59937EBB
P 9700 2550
F 0 "#PWR035" H 9700 2300 50  0001 C CNN
F 1 "GND" H 9700 2400 50  0000 C CNN
F 2 "" H 9700 2550 50  0001 C CNN
F 3 "" H 9700 2550 50  0001 C CNN
	1    9700 2550
	1    0    0    -1  
$EndComp
Wire Wire Line
	9625 1925 9700 1925
Wire Wire Line
	9700 1925 9700 2550
Wire Wire Line
	8175 2075 8175 2150
Wire Wire Line
	8175 2150 8375 2150
Wire Wire Line
	8375 2150 8375 2075
Wire Wire Line
	8375 2075 8825 2075
Wire Wire Line
	8175 1775 8175 1700
Wire Wire Line
	8175 1700 8375 1700
Wire Wire Line
	8375 1700 8375 1775
Wire Wire Line
	8375 1775 8825 1775
Wire Wire Line
	8650 1500 8650 1625
$Comp
L GND #PWR036
U 1 1 59937ECF
P 10650 2550
F 0 "#PWR036" H 10650 2300 50  0001 C CNN
F 1 "GND" H 10650 2400 50  0000 C CNN
F 2 "" H 10650 2550 50  0001 C CNN
F 3 "" H 10650 2550 50  0001 C CNN
	1    10650 2550
	1    0    0    -1  
$EndComp
Wire Wire Line
	10650 2250 10650 2550
Wire Wire Line
	9625 1625 10650 1625
Wire Wire Line
	10650 1625 10650 1950
$Comp
L C C22
U 1 1 59937EDA
P 10650 2100
F 0 "C22" H 10675 2200 50  0000 L CNN
F 1 "10u" H 10675 2000 50  0000 L CNN
F 2 "Resistors_SMD:R_0805" H 10688 1950 50  0001 C CNN
F 3 "" H 10650 2100 50  0001 C CNN
F 4 "1833812" H 10650 2100 60  0001 C CNN "Farnell"
	1    10650 2100
	1    0    0    -1  
$EndComp
Connection ~ 9825 1625
$Comp
L C C21
U 1 1 59938428
P 9975 2300
F 0 "C21" H 10000 2400 50  0000 L CNN
F 1 "10u" H 10000 2200 50  0000 L CNN
F 2 "Resistors_SMD:R_0805" H 10013 2150 50  0001 C CNN
F 3 "" H 9975 2300 50  0001 C CNN
F 4 "1833812" H 9975 2300 60  0001 C CNN "Farnell"
	1    9975 2300
	1    0    0    -1  
$EndComp
$Comp
L GND #PWR037
U 1 1 599384B9
P 9975 2550
F 0 "#PWR037" H 9975 2300 50  0001 C CNN
F 1 "GND" H 9975 2400 50  0000 C CNN
F 2 "" H 9975 2550 50  0001 C CNN
F 3 "" H 9975 2550 50  0001 C CNN
	1    9975 2550
	1    0    0    -1  
$EndComp
Wire Wire Line
	9975 2075 9975 2150
Wire Wire Line
	9975 2450 9975 2550
Text GLabel 6525 1900 0    60   Output ~ 0
1.65V
Connection ~ 6575 1900
Text GLabel 10100 2075 2    60   Output ~ 0
-1.65V
Connection ~ 9975 2075
Text Notes 9050 2975 0    60   ~ 0
Voltage Inverter
Text Notes 6775 2925 0    60   ~ 0
Voltage Divider
Text GLabel 8650 1500 1    60   Input ~ 0
1.65V
Text GLabel 9825 1500 1    60   Input ~ 0
1.65V
Wire Wire Line
	9825 1500 9825 1625
$Comp
L CONN_01X02 J7
U 1 1 5993B030
P 4075 6000
F 0 "J7" H 4075 6150 50  0000 C CNN
F 1 "CONN_01X02" V 4175 6000 50  0000 C CNN
F 2 "Samtec Connectors:Samtec-PHT-1-2-01-L-S" H 4075 6000 50  0001 C CNN
F 3 "" H 4075 6000 50  0001 C CNN
	1    4075 6000
	1    0    0    -1  
$EndComp
$Comp
L CONN_01X02 J9
U 1 1 5993B101
P 4425 6000
F 0 "J9" H 4425 6150 50  0000 C CNN
F 1 "CONN_01X02" V 4525 6000 50  0000 C CNN
F 2 "Samtec Connectors:Samtec-PHT-1-2-01-L-S" H 4425 6000 50  0001 C CNN
F 3 "" H 4425 6000 50  0001 C CNN
	1    4425 6000
	-1   0    0    -1  
$EndComp
Text GLabel 3875 6050 0    60   Input ~ 0
1.65V
$Comp
L +3.3V #PWR038
U 1 1 5993B52B
P 3575 5875
F 0 "#PWR038" H 3575 5725 50  0001 C CNN
F 1 "+3.3V" H 3575 6015 50  0000 C CNN
F 2 "" H 3575 5875 50  0001 C CNN
F 3 "" H 3575 5875 50  0001 C CNN
	1    3575 5875
	1    0    0    -1  
$EndComp
Text HLabel 5100 5950 2    60   Output ~ 0
V_SENS_POS
Wire Wire Line
	4625 5950 5100 5950
Wire Wire Line
	4625 6050 4700 6050
Wire Wire Line
	4700 6050 4700 5950
Connection ~ 4700 5950
$Comp
L CONN_01X02 J6
U 1 1 5993FBA5
P 4075 6650
F 0 "J6" H 4075 6800 50  0000 C CNN
F 1 "CONN_01X02" V 4175 6650 50  0000 C CNN
F 2 "Samtec Connectors:Samtec-PHT-1-2-01-L-S" H 4075 6650 50  0001 C CNN
F 3 "" H 4075 6650 50  0001 C CNN
	1    4075 6650
	1    0    0    -1  
$EndComp
$Comp
L CONN_01X02 J8
U 1 1 5993FBAB
P 4425 6650
F 0 "J8" H 4425 6800 50  0000 C CNN
F 1 "CONN_01X02" V 4525 6650 50  0000 C CNN
F 2 "Samtec Connectors:Samtec-PHT-1-2-01-L-S" H 4425 6650 50  0001 C CNN
F 3 "" H 4425 6650 50  0001 C CNN
	1    4425 6650
	-1   0    0    -1  
$EndComp
Text HLabel 5125 6600 2    60   Output ~ 0
V_SENS_NEG
Wire Wire Line
	4625 6600 5125 6600
Wire Wire Line
	4625 6700 4700 6700
Wire Wire Line
	4700 6700 4700 6600
Connection ~ 4700 6600
Text GLabel 3875 6700 0    60   Input ~ 0
-1.65V
$Comp
L GND #PWR039
U 1 1 5993FFC9
P 3575 6525
F 0 "#PWR039" H 3575 6275 50  0001 C CNN
F 1 "GND" H 3575 6375 50  0000 C CNN
F 2 "" H 3575 6525 50  0001 C CNN
F 3 "" H 3575 6525 50  0001 C CNN
	1    3575 6525
	-1   0    0    1   
$EndComp
Wire Wire Line
	6750 2325 7825 2325
Wire Wire Line
	7700 1900 7700 2325
$Comp
L GND #PWR040
U 1 1 599A1BE9
P 7600 2525
F 0 "#PWR040" H 7600 2275 50  0001 C CNN
F 1 "GND" H 7600 2375 50  0000 C CNN
F 2 "" H 7600 2525 50  0001 C CNN
F 3 "" H 7600 2525 50  0001 C CNN
	1    7600 2525
	1    0    0    -1  
$EndComp
Wire Wire Line
	7600 2525 7600 2050
Wire Wire Line
	7600 2050 7500 2050
Wire Wire Line
	7825 2325 7825 2100
Connection ~ 7700 2325
Wire Wire Line
	6575 2125 6750 2125
Wire Wire Line
	6750 2125 6750 2325
Connection ~ 6575 2125
Wire Wire Line
	9625 2075 10100 2075
Wire Wire Line
	1125 2750 1125 2825
$Comp
L PWR_FLAG #FLG041
U 1 1 599AF782
P 4925 6550
F 0 "#FLG041" H 4925 6625 50  0001 C CNN
F 1 "PWR_FLAG" H 4925 6700 50  0000 C CNN
F 2 "" H 4925 6550 50  0001 C CNN
F 3 "" H 4925 6550 50  0001 C CNN
	1    4925 6550
	1    0    0    -1  
$EndComp
$Comp
L PWR_FLAG #FLG042
U 1 1 599AF82E
P 4900 5900
F 0 "#FLG042" H 4900 5975 50  0001 C CNN
F 1 "PWR_FLAG" H 4900 6050 50  0000 C CNN
F 2 "" H 4900 5900 50  0001 C CNN
F 3 "" H 4900 5900 50  0001 C CNN
	1    4900 5900
	1    0    0    -1  
$EndComp
Wire Wire Line
	4900 5900 4900 5950
Connection ~ 4900 5950
Wire Wire Line
	4925 6550 4925 6600
Connection ~ 4925 6600
$Comp
L PWR_FLAG #FLG043
U 1 1 599B0904
P 10325 1475
F 0 "#FLG043" H 10325 1550 50  0001 C CNN
F 1 "PWR_FLAG" H 10325 1625 50  0000 C CNN
F 2 "" H 10325 1475 50  0001 C CNN
F 3 "" H 10325 1475 50  0001 C CNN
	1    10325 1475
	1    0    0    -1  
$EndComp
Wire Wire Line
	10325 1475 10325 1625
Connection ~ 10325 1625
Wire Wire Line
	3575 6525 3575 6600
Wire Wire Line
	3575 6600 3875 6600
Wire Wire Line
	3575 5875 3575 5950
Wire Wire Line
	3575 5950 3875 5950
$EndSCHEMATC