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_v0.22-cache
EELAYER 25 0
EELAYER END
$Descr A4 11693 8268
encoding utf-8
Sheet 4 4
Title "High Current Part of Analog Board"
Date "2017-07-05"
Rev "v0.2"
Comp "UppSense Heart Failure Diagnostics"
Comment1 ""
Comment2 ""
Comment3 ""
Comment4 ""
$EndDescr
$Comp
L R R13
U 1 1 5940A522
P 7675 2575
F 0 "R13" V 7755 2575 50  0000 C CNN
F 1 "1M" V 7675 2575 50  0000 C CNN
F 2 "Resistors_SMD:R_0805" V 7605 2575 50  0001 C CNN
F 3 "" H 7675 2575 50  0000 C CNN
F 4 "1576507" V 7675 2575 60  0001 C CNN "Farnell"
	1    7675 2575
	0    1    -1   0   
$EndComp
$Comp
L D_Photo D3
U 1 1 5940A54D
P 8450 3425
F 0 "D3" H 8470 3495 50  0000 L CNN
F 1 "BPW34" H 8410 3315 50  0000 C CNN
F 2 "Photodiodes:BPW34FA" H 8400 3425 50  0001 C CNN
F 3 "http://www.farnell.com/datasheets/2046123.pdf" H 8400 3425 50  0001 C CNN
F 4 "1045425" H 8450 3425 60  0001 C CNN "Farnell"
	1    8450 3425
	0    -1   1    0   
$EndComp
$Comp
L LED D2
U 1 1 5940A5C4
P 4300 2250
F 0 "D2" H 4300 2350 50  0000 C CNN
F 1 "LED" H 4300 2150 50  0000 C CNN
F 2 "LEDs:LED_D5.0mm" H 4300 2250 50  0001 C CNN
F 3 "" H 4300 2250 50  0000 C CNN
	1    4300 2250
	0    -1   -1   0   
$EndComp
$Comp
L R R9
U 1 1 5940A5D3
P 4300 3300
F 0 "R9" V 4380 3300 50  0000 C CNN
F 1 "100R" V 4300 3300 50  0000 C CNN
F 2 "Resistors_SMD:R_0805" V 4230 3300 50  0001 C CNN
F 3 "" H 4300 3300 50  0000 C CNN
F 4 "1632456" V 4300 3300 60  0001 C CNN "Farnell"
	1    4300 3300
	1    0    0    -1  
$EndComp
$Comp
L +5V #PWR022
U 1 1 5940A5DC
P 4300 2025
F 0 "#PWR022" H 4300 1875 50  0001 C CNN
F 1 "+5V" H 4300 2165 50  0000 C CNN
F 2 "" H 4300 2025 50  0000 C CNN
F 3 "" H 4300 2025 50  0000 C CNN
	1    4300 2025
	1    0    0    -1  
$EndComp
$Comp
L GND #PWR023
U 1 1 5940A5E4
P 5400 2925
F 0 "#PWR023" H 5400 2675 50  0001 C CNN
F 1 "GND" H 5400 2775 50  0000 C CNN
F 2 "" H 5400 2925 50  0000 C CNN
F 3 "" H 5400 2925 50  0000 C CNN
	1    5400 2925
	-1   0    0    1   
$EndComp
$Comp
L MMBT3904 Q9
U 1 1 5940A5EB
P 4400 2675
F 0 "Q9" H 4600 2750 50  0000 L CNN
F 1 "MMBT3904" H 4600 2675 50  0000 L CNN
F 2 "TO_SOT_Packages_SMD:SOT-23" H 4600 2600 50  0001 L CIN
F 3 "https://www.fairchildsemi.com/datasheets/MM/MMBT3904.pdf" H 4400 2675 50  0001 L CNN
F 4 "1757935" H 4400 2675 60  0001 C CNN "Farnell"
	1    4400 2675
	-1   0    0    -1  
$EndComp
Text GLabel 4875 3325 0    60   Input ~ 0
Signal
Text GLabel 5150 4150 2    60   Output ~ 0
Signal
$Comp
L C C20
U 1 1 594122D8
P 5900 1250
F 0 "C20" H 5925 1350 50  0000 L CNN
F 1 "1u" H 5925 1150 50  0000 L CNN
F 2 "Resistors_SMD:R_0805" H 5938 1100 50  0001 C CNN
F 3 "" H 5900 1250 50  0000 C CNN
F 4 "2496946" H 5900 1250 60  0001 C CNN "Farnell"
	1    5900 1250
	1    0    0    -1  
$EndComp
$Comp
L C C21
U 1 1 594122E0
P 6150 1250
F 0 "C21" H 6175 1350 50  0000 L CNN
F 1 "100n" H 6175 1150 50  0000 L CNN
F 2 "Resistors_SMD:R_0805" H 6188 1100 50  0001 C CNN
F 3 "" H 6150 1250 50  0000 C CNN
F 4 "499687" H 6150 1250 60  0001 C CNN "Farnell"
	1    6150 1250
	1    0    0    -1  
$EndComp
$Comp
L C C22
U 1 1 594122E8
P 6400 1250
F 0 "C22" H 6425 1350 50  0000 L CNN
F 1 "10n" H 6425 1150 50  0000 L CNN
F 2 "Resistors_SMD:R_0805" H 6438 1100 50  0001 C CNN
F 3 "" H 6400 1250 50  0000 C CNN
F 4 "1414662" H 6400 1250 60  0001 C CNN "Farnell"
	1    6400 1250
	1    0    0    -1  
$EndComp
Wire Wire Line
	5900 1100 6700 1100
Connection ~ 6150 1100
$Comp
L GND #PWR027
U 1 1 594122F3
P 5900 1475
F 0 "#PWR027" H 5900 1225 50  0001 C CNN
F 1 "GND" H 5900 1325 50  0000 C CNN
F 2 "" H 5900 1475 50  0000 C CNN
F 3 "" H 5900 1475 50  0000 C CNN
	1    5900 1475
	1    0    0    -1  
$EndComp
Wire Wire Line
	5900 1400 5900 1475
Wire Wire Line
	5900 1400 6400 1400
Connection ~ 6150 1400
Text Notes 5300 725  0    60   ~ 0
Place decoupling capacitors close to component!
Text HLabel 6825 3225 0    60   Output ~ 0
BPW34_OUT
Connection ~ 6400 1100
Text HLabel 4950 4150 0    60   Input ~ 0
LED_CONTROLL
$Comp
L C C23
U 1 1 5956BF7A
P 7675 2200
F 0 "C23" H 7700 2300 50  0000 L CNN
F 1 "100n" H 7700 2100 50  0000 L CNN
F 2 "Resistors_SMD:R_0805" H 7713 2050 50  0001 C CNN
F 3 "" H 7675 2200 50  0000 C CNN
F 4 "499687" H 7675 2200 60  0001 C CNN "Farnell"
	1    7675 2200
	0    1    1    0   
$EndComp
Text Notes 6375 1975 0    60   ~ 0
Low-pass has a cut-off freq. of approx. 1.6 Hz, ergo DC.
$Comp
L +3.3V #PWR043
U 1 1 595BE0DA
P 6700 1025
F 0 "#PWR043" H 6700 875 50  0001 C CNN
F 1 "+3.3V" H 6700 1165 50  0000 C CNN
F 2 "" H 6700 1025 50  0001 C CNN
F 3 "" H 6700 1025 50  0001 C CNN
	1    6700 1025
	-1   0    0    -1  
$EndComp
$Comp
L LM358 U?
U 1 1 5992FDFB
P 7525 3225
F 0 "U?" H 7525 3425 50  0000 L CNN
F 1 "LM358" H 7525 3025 50  0000 L CNN
F 2 "SMD_Packages:SOIC-8-N" H 7525 3225 50  0001 C CNN
F 3 "http://www.farnell.com/datasheets/2000357.pdf" H 7525 3225 50  0001 C CNN
F 4 "1564331" H 7525 3225 60  0001 C CNN "Farnell"
	1    7525 3225
	-1   0    0    1   
$EndComp
Wire Wire Line
	6700 1100 6700 1025
$Comp
L GND #PWR?
U 1 1 599308E2
P 7625 3700
F 0 "#PWR?" H 7625 3450 50  0001 C CNN
F 1 "GND" H 7625 3550 50  0000 C CNN
F 2 "" H 7625 3700 50  0000 C CNN
F 3 "" H 7625 3700 50  0000 C CNN
	1    7625 3700
	1    0    0    -1  
$EndComp
$Comp
L +3.3V #PWR?
U 1 1 599309A5
P 7625 2925
F 0 "#PWR?" H 7625 2775 50  0001 C CNN
F 1 "+3.3V" H 7625 3065 50  0000 C CNN
F 2 "" H 7625 2925 50  0001 C CNN
F 3 "" H 7625 2925 50  0001 C CNN
	1    7625 2925
	-1   0    0    -1  
$EndComp
Wire Wire Line
	7000 2200 7000 3225
Wire Wire Line
	6825 3225 7225 3225
Wire Wire Line
	8450 3125 7825 3125
Wire Wire Line
	7825 2575 8450 2575
Wire Wire Line
	8450 2200 8450 3225
Connection ~ 8450 3125
Wire Wire Line
	7525 2575 7000 2575
Wire Wire Line
	7525 2200 7000 2200
Connection ~ 7000 2575
Wire Wire Line
	7825 2200 8450 2200
Connection ~ 8450 2575
$Comp
L GND #PWR?
U 1 1 5993156D
P 8450 3700
F 0 "#PWR?" H 8450 3450 50  0001 C CNN
F 1 "GND" H 8450 3550 50  0000 C CNN
F 2 "" H 8450 3700 50  0000 C CNN
F 3 "" H 8450 3700 50  0000 C CNN
	1    8450 3700
	1    0    0    -1  
$EndComp
Wire Wire Line
	8450 3700 8450 3525
Wire Wire Line
	7625 3525 7625 3700
$Comp
L GND #PWR?
U 1 1 5993166E
P 8025 3700
F 0 "#PWR?" H 8025 3450 50  0001 C CNN
F 1 "GND" H 8025 3550 50  0000 C CNN
F 2 "" H 8025 3700 50  0000 C CNN
F 3 "" H 8025 3700 50  0000 C CNN
	1    8025 3700
	1    0    0    -1  
$EndComp
Wire Wire Line
	7825 3325 8025 3325
Wire Wire Line
	8025 3325 8025 3700
Connection ~ 7000 3225
Wire Wire Line
	5800 3225 6000 3225
Wire Wire Line
	6000 3225 6000 2675
Wire Wire Line
	6000 2675 4600 2675
Wire Wire Line
	4300 2875 4300 3150
Wire Wire Line
	5200 3125 4300 3125
Connection ~ 4300 3125
Wire Wire Line
	4300 2025 4300 2125
$Comp
L GND #PWR?
U 1 1 59933226
P 4300 3675
F 0 "#PWR?" H 4300 3425 50  0001 C CNN
F 1 "GND" H 4300 3525 50  0000 C CNN
F 2 "" H 4300 3675 50  0000 C CNN
F 3 "" H 4300 3675 50  0000 C CNN
	1    4300 3675
	1    0    0    -1  
$EndComp
Wire Wire Line
	4300 3450 4300 3675
$Comp
L +3.3V #PWR?
U 1 1 5993334C
P 5400 3525
F 0 "#PWR?" H 5400 3375 50  0001 C CNN
F 1 "+3.3V" H 5400 3665 50  0000 C CNN
F 2 "" H 5400 3525 50  0001 C CNN
F 3 "" H 5400 3525 50  0001 C CNN
	1    5400 3525
	1    0    0    1   
$EndComp
Wire Wire Line
	4300 2400 4300 2475
$Comp
L R R?
U 1 1 599338A5
P 5025 3525
F 0 "R?" V 5105 3525 50  0000 C CNN
F 1 "10k" V 5025 3525 50  0000 C CNN
F 2 "Resistors_SMD:R_0805" V 4955 3525 50  0001 C CNN
F 3 "" H 5025 3525 50  0000 C CNN
F 4 "9237755" V 5025 3525 60  0001 C CNN "Farnell"
	1    5025 3525
	-1   0    0    1   
$EndComp
Wire Wire Line
	4875 3325 5200 3325
Wire Wire Line
	5025 3325 5025 3375
Connection ~ 5025 3325
$Comp
L GND #PWR?
U 1 1 59933D3E
P 5025 3675
F 0 "#PWR?" H 5025 3425 50  0001 C CNN
F 1 "GND" H 5025 3525 50  0000 C CNN
F 2 "" H 5025 3675 50  0000 C CNN
F 3 "" H 5025 3675 50  0000 C CNN
	1    5025 3675
	1    0    0    -1  
$EndComp
$Comp
L LM358 U?
U 2 1 599346AA
P 5500 3225
F 0 "U?" H 5500 3425 50  0000 L CNN
F 1 "LM358" H 5500 3025 50  0000 L CNN
F 2 "SMD_Packages:SOIC-8-N" H 5500 3225 50  0001 C CNN
F 3 "http://www.farnell.com/datasheets/2000357.pdf" H 5500 3225 50  0001 C CNN
F 4 "1564331" H 5500 3225 60  0001 C CNN "Farnell"
	2    5500 3225
	1    0    0    1   
$EndComp
Wire Wire Line
	4950 4150 5150 4150
$Comp
L C C?
U 1 1 59935E81
P 1125 5650
F 0 "C?" H 1150 5750 50  0000 L CNN
F 1 "10u" H 1150 5550 50  0000 L CNN
F 2 "Resistors_SMD:R_0805" H 1163 5500 50  0001 C CNN
F 3 "" H 1125 5650 50  0001 C CNN
F 4 "1833812" H 1125 5650 60  0001 C CNN "Farnell"
	1    1125 5650
	1    0    0    -1  
$EndComp
$Comp
L +3.3V #PWR?
U 1 1 59935E92
P 2775 5275
F 0 "#PWR?" H 2775 5125 50  0001 C CNN
F 1 "+3.3V" H 2775 5415 50  0000 C CNN
F 2 "" H 2775 5275 50  0001 C CNN
F 3 "" H 2775 5275 50  0001 C CNN
	1    2775 5275
	1    0    0    -1  
$EndComp
$Comp
L C C?
U 1 1 59935E9B
P 1650 6100
F 0 "C?" H 1675 6200 50  0000 L CNN
F 1 "10u" H 1675 6000 50  0000 L CNN
F 2 "Resistors_SMD:R_0805" H 1688 5950 50  0001 C CNN
F 3 "" H 1650 6100 50  0001 C CNN
F 4 "1833812" H 1650 6100 60  0001 C CNN "Farnell"
	1    1650 6100
	1    0    0    -1  
$EndComp
$Comp
L GND #PWR?
U 1 1 59935EA3
P 1650 6275
F 0 "#PWR?" H 1650 6025 50  0001 C CNN
F 1 "GND" H 1650 6125 50  0000 C CNN
F 2 "" H 1650 6275 50  0001 C CNN
F 3 "" H 1650 6275 50  0001 C CNN
	1    1650 6275
	1    0    0    -1  
$EndComp
NoConn ~ 2575 5500
Text Notes 1075 4925 0    60   ~ 0
Place decoupling capacitors close to component!
$Comp
L +3.3V #PWR?
U 1 1 59935EBE
P 1600 5275
F 0 "#PWR?" H 1600 5125 50  0001 C CNN
F 1 "+3.3V" H 1600 5415 50  0000 C CNN
F 2 "" H 1600 5275 50  0001 C CNN
F 3 "" H 1600 5275 50  0001 C CNN
	1    1600 5275
	-1   0    0    -1  
$EndComp
$Comp
L ICL7660S U?
U 1 1 59935ED1
P 2175 5350
F 0 "U?" H 2020 5480 40  0000 C CNN
F 1 "ICL7660S" H 2300 5480 40  0000 C CNN
F 2 "SMD_Packages:SOIC-8-N" H 2175 5350 60  0001 C CNN
F 3 "http://www.farnell.com/datasheets/2059962.pdf" H 2175 5350 60  0001 C CNN
F 4 "1561969" H 2175 5350 60  0001 C CNN "Farnell"
	1    2175 5350
	1    0    0    -1  
$EndComp
Wire Wire Line
	1600 5350 1775 5350
Wire Wire Line
	1600 5650 1775 5650
Wire Wire Line
	1650 5650 1650 5950
Wire Wire Line
	1650 6250 1650 6275
$Comp
L GND #PWR?
U 1 1 59936476
P 2650 6275
F 0 "#PWR?" H 2650 6025 50  0001 C CNN
F 1 "GND" H 2650 6125 50  0000 C CNN
F 2 "" H 2650 6275 50  0001 C CNN
F 3 "" H 2650 6275 50  0001 C CNN
	1    2650 6275
	1    0    0    -1  
$EndComp
Wire Wire Line
	2575 5650 2650 5650
Wire Wire Line
	2650 5650 2650 6275
Wire Wire Line
	2575 5800 2650 5800
Connection ~ 2650 5800
Wire Wire Line
	1125 5800 1125 5875
Wire Wire Line
	1125 5875 1325 5875
Wire Wire Line
	1325 5875 1325 5800
Wire Wire Line
	1325 5800 1775 5800
Wire Wire Line
	1125 5500 1125 5425
Wire Wire Line
	1125 5425 1325 5425
Wire Wire Line
	1325 5425 1325 5500
Wire Wire Line
	1325 5500 1775 5500
Wire Wire Line
	1600 5275 1600 5350
$Comp
L GND #PWR?
U 1 1 59936F44
P 2900 6275
F 0 "#PWR?" H 2900 6025 50  0001 C CNN
F 1 "GND" H 2900 6125 50  0000 C CNN
F 2 "" H 2900 6275 50  0001 C CNN
F 3 "" H 2900 6275 50  0001 C CNN
	1    2900 6275
	1    0    0    -1  
$EndComp
Wire Wire Line
	2900 5975 2900 6275
Wire Wire Line
	2575 5350 2900 5350
Wire Wire Line
	2900 5350 2900 5675
$Comp
L C C?
U 1 1 5993721F
P 2900 5825
F 0 "C?" H 2925 5925 50  0000 L CNN
F 1 "10u" H 2925 5725 50  0000 L CNN
F 2 "Resistors_SMD:R_0805" H 2938 5675 50  0001 C CNN
F 3 "" H 2900 5825 50  0001 C CNN
F 4 "1833812" H 2900 5825 60  0001 C CNN "Farnell"
	1    2900 5825
	1    0    0    -1  
$EndComp
Wire Wire Line
	2775 5275 2775 5350
Connection ~ 2775 5350
$Comp
L C C?
U 1 1 59937E8F
P 3275 5650
F 0 "C?" H 3300 5750 50  0000 L CNN
F 1 "10u" H 3300 5550 50  0000 L CNN
F 2 "Resistors_SMD:R_0805" H 3313 5500 50  0001 C CNN
F 3 "" H 3275 5650 50  0001 C CNN
F 4 "1833812" H 3275 5650 60  0001 C CNN "Farnell"
	1    3275 5650
	1    0    0    -1  
$EndComp
$Comp
L GND #PWR?
U 1 1 59937EA2
P 3800 6275
F 0 "#PWR?" H 3800 6025 50  0001 C CNN
F 1 "GND" H 3800 6125 50  0000 C CNN
F 2 "" H 3800 6275 50  0001 C CNN
F 3 "" H 3800 6275 50  0001 C CNN
	1    3800 6275
	1    0    0    -1  
$EndComp
NoConn ~ 4725 5500
$Comp
L ICL7660S U?
U 1 1 59937EB1
P 4325 5350
F 0 "U?" H 4170 5480 40  0000 C CNN
F 1 "ICL7660S" H 4450 5480 40  0000 C CNN
F 2 "SMD_Packages:SOIC-8-N" H 4325 5350 60  0001 C CNN
F 3 "http://www.farnell.com/datasheets/2059962.pdf" H 4325 5350 60  0001 C CNN
F 4 "1561969" H 4325 5350 60  0001 C CNN "Farnell"
	1    4325 5350
	1    0    0    -1  
$EndComp
Wire Wire Line
	3750 5350 3925 5350
Wire Wire Line
	3925 5650 3800 5650
Wire Wire Line
	3800 5650 3800 6275
$Comp
L GND #PWR?
U 1 1 59937EBB
P 4800 6275
F 0 "#PWR?" H 4800 6025 50  0001 C CNN
F 1 "GND" H 4800 6125 50  0000 C CNN
F 2 "" H 4800 6275 50  0001 C CNN
F 3 "" H 4800 6275 50  0001 C CNN
	1    4800 6275
	1    0    0    -1  
$EndComp
Wire Wire Line
	4725 5650 4800 5650
Wire Wire Line
	4800 5650 4800 6275
Wire Wire Line
	3275 5800 3275 5875
Wire Wire Line
	3275 5875 3475 5875
Wire Wire Line
	3475 5875 3475 5800
Wire Wire Line
	3475 5800 3925 5800
Wire Wire Line
	3275 5500 3275 5425
Wire Wire Line
	3275 5425 3475 5425
Wire Wire Line
	3475 5425 3475 5500
Wire Wire Line
	3475 5500 3925 5500
Wire Wire Line
	3750 5225 3750 5350
$Comp
L GND #PWR?
U 1 1 59937ECF
P 5750 6275
F 0 "#PWR?" H 5750 6025 50  0001 C CNN
F 1 "GND" H 5750 6125 50  0000 C CNN
F 2 "" H 5750 6275 50  0001 C CNN
F 3 "" H 5750 6275 50  0001 C CNN
	1    5750 6275
	1    0    0    -1  
$EndComp
Wire Wire Line
	5750 5975 5750 6275
Wire Wire Line
	4725 5350 5750 5350
Wire Wire Line
	5750 5350 5750 5675
$Comp
L C C?
U 1 1 59937EDA
P 5750 5825
F 0 "C?" H 5775 5925 50  0000 L CNN
F 1 "10u" H 5775 5725 50  0000 L CNN
F 2 "Resistors_SMD:R_0805" H 5788 5675 50  0001 C CNN
F 3 "" H 5750 5825 50  0001 C CNN
F 4 "1833812" H 5750 5825 60  0001 C CNN "Farnell"
	1    5750 5825
	1    0    0    -1  
$EndComp
Connection ~ 4925 5350
$Comp
L C C?
U 1 1 59938428
P 5075 6025
F 0 "C?" H 5100 6125 50  0000 L CNN
F 1 "10u" H 5100 5925 50  0000 L CNN
F 2 "Resistors_SMD:R_0805" H 5113 5875 50  0001 C CNN
F 3 "" H 5075 6025 50  0001 C CNN
F 4 "1833812" H 5075 6025 60  0001 C CNN "Farnell"
	1    5075 6025
	1    0    0    -1  
$EndComp
$Comp
L GND #PWR?
U 1 1 599384B9
P 5075 6275
F 0 "#PWR?" H 5075 6025 50  0001 C CNN
F 1 "GND" H 5075 6125 50  0000 C CNN
F 2 "" H 5075 6275 50  0001 C CNN
F 3 "" H 5075 6275 50  0001 C CNN
	1    5075 6275
	1    0    0    -1  
$EndComp
Wire Wire Line
	5075 5800 5075 5875
Wire Wire Line
	5075 6175 5075 6275
Text GLabel 1600 5650 0    60   Output ~ 0
1.65V
Connection ~ 1650 5650
Text GLabel 5200 5800 2    60   Output ~ 0
-1.65V
Connection ~ 5075 5800
Wire Wire Line
	4725 5800 5200 5800
Text Notes 4150 6700 0    60   ~ 0
Voltage Inverter
Text Notes 1850 6675 0    60   ~ 0
Voltage Divider
Text GLabel 3750 5225 1    60   Input ~ 0
1.65V
Text GLabel 4925 5225 1    60   Input ~ 0
1.65V
Wire Wire Line
	4925 5225 4925 5350
$Comp
L CONN_01X02 J?
U 1 1 5993B030
P 7825 4975
F 0 "J?" H 7825 5125 50  0000 C CNN
F 1 "CONN_01X02" V 7925 4975 50  0000 C CNN
F 2 "Samtec Connectors:Samtec-PHT-1-2-01-L-S" H 7825 4975 50  0001 C CNN
F 3 "" H 7825 4975 50  0001 C CNN
	1    7825 4975
	1    0    0    -1  
$EndComp
$Comp
L CONN_01X02 J?
U 1 1 5993B101
P 8175 4975
F 0 "J?" H 8175 5125 50  0000 C CNN
F 1 "CONN_01X02" V 8275 4975 50  0000 C CNN
F 2 "Samtec Connectors:Samtec-PHT-1-2-01-L-S" H 8175 4975 50  0001 C CNN
F 3 "" H 8175 4975 50  0001 C CNN
	1    8175 4975
	-1   0    0    -1  
$EndComp
Text GLabel 7625 5025 0    60   Input ~ 0
1.65V
$Comp
L +3.3V #PWR?
U 1 1 5993B52B
P 7325 4850
F 0 "#PWR?" H 7325 4700 50  0001 C CNN
F 1 "+3.3V" H 7325 4990 50  0000 C CNN
F 2 "" H 7325 4850 50  0001 C CNN
F 3 "" H 7325 4850 50  0001 C CNN
	1    7325 4850
	1    0    0    -1  
$EndComp
Wire Wire Line
	7325 4925 7625 4925
Wire Wire Line
	7325 4850 7325 4925
Text HLabel 8525 4925 2    60   Output ~ 0
V_SENS_POS
Wire Wire Line
	8525 4925 8375 4925
Wire Wire Line
	8375 5025 8450 5025
Wire Wire Line
	8450 5025 8450 4925
Connection ~ 8450 4925
$Comp
L CONN_01X02 J?
U 1 1 5993FBA5
P 7800 5625
F 0 "J?" H 7800 5775 50  0000 C CNN
F 1 "CONN_01X02" V 7900 5625 50  0000 C CNN
F 2 "Samtec Connectors:Samtec-PHT-1-2-01-L-S" H 7800 5625 50  0001 C CNN
F 3 "" H 7800 5625 50  0001 C CNN
	1    7800 5625
	1    0    0    -1  
$EndComp
$Comp
L CONN_01X02 J?
U 1 1 5993FBAB
P 8150 5625
F 0 "J?" H 8150 5775 50  0000 C CNN
F 1 "CONN_01X02" V 8250 5625 50  0000 C CNN
F 2 "Samtec Connectors:Samtec-PHT-1-2-01-L-S" H 8150 5625 50  0001 C CNN
F 3 "" H 8150 5625 50  0001 C CNN
	1    8150 5625
	-1   0    0    -1  
$EndComp
Text HLabel 8500 5575 2    60   Output ~ 0
V_SENS_NEG
Wire Wire Line
	8500 5575 8350 5575
Wire Wire Line
	8350 5675 8425 5675
Wire Wire Line
	8425 5675 8425 5575
Connection ~ 8425 5575
Text GLabel 7600 5575 0    60   Input ~ 0
-1.65V
$Comp
L GND #PWR?
U 1 1 5993FFC9
P 7225 5725
F 0 "#PWR?" H 7225 5475 50  0001 C CNN
F 1 "GND" H 7225 5575 50  0000 C CNN
F 2 "" H 7225 5725 50  0001 C CNN
F 3 "" H 7225 5725 50  0001 C CNN
	1    7225 5725
	1    0    0    -1  
$EndComp
Wire Wire Line
	7225 5725 7225 5675
Wire Wire Line
	7225 5675 7600 5675
$EndSCHEMATC