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:nocko
LIBS:bmi-8ch-cache
EELAYER 25 0
EELAYER END
$Descr A4 11693 8268
encoding utf-8
Sheet 1 2
Title ""
Date "2017-03-23"
Rev "AA"
Comp ""
Comment1 ""
Comment2 ""
Comment3 ""
Comment4 ""
$EndDescr
$Sheet
S 950  2350 950  750 
U 58D4647E
F0 "channel0-1" 60
F1 "channel0.sch" 60
F2 "OUTPUT0" O R 1900 2450 87 
F3 "OUTPUT1" O R 1900 2800 87 
F4 "GUARD0" O R 1900 2600 87 
F5 "GUARD1" O R 1900 2950 87 
$EndSheet
$Comp
L CONN_01X02 J?
U 1 1 58D57064
P 7150 1100
F 0 "J?" H 7150 1250 50  0000 C CNN
F 1 "External 5V Ref" V 7250 1100 50  0000 C CNN
F 2 "" H 7150 1100 50  0001 C CNN
F 3 "" H 7150 1100 50  0001 C CNN
	1    7150 1100
	-1   0    0    1   
$EndComp
$Comp
L GNDA #PWR?
U 1 1 58D5726E
P 7350 1150
F 0 "#PWR?" H 7350 900 50  0001 C CNN
F 1 "GNDA" H 7350 1000 50  0000 C CNN
F 2 "" H 7350 1150 50  0001 C CNN
F 3 "" H 7350 1150 50  0001 C CNN
	1    7350 1150
	1    0    0    -1  
$EndComp
Wire Wire Line
	7350 1050 7850 1050
Wire Wire Line
	7850 1250 7850 1700
Wire Wire Line
	7850 1700 8550 1700
Wire Wire Line
	8550 1700 8550 1150
Wire Wire Line
	8450 1150 8850 1150
$Comp
L GNDA #PWR?
U 1 1 58D57376
P 8050 1450
F 0 "#PWR?" H 8050 1200 50  0001 C CNN
F 1 "GNDA" H 8050 1300 50  0000 C CNN
F 2 "" H 8050 1450 50  0001 C CNN
F 3 "" H 8050 1450 50  0001 C CNN
	1    8050 1450
	1    0    0    -1  
$EndComp
Text GLabel 8850 1150 2    87   Input ~ 0
Vref
Connection ~ 8550 1150
$Comp
L PWR_FLAG #FLG?
U 1 1 58D574A1
P 8750 1150
F 0 "#FLG?" H 8750 1225 50  0001 C CNN
F 1 "PWR_FLAG" H 8750 1300 50  0000 C CNN
F 2 "" H 8750 1150 50  0001 C CNN
F 3 "" H 8750 1150 50  0001 C CNN
	1    8750 1150
	1    0    0    -1  
$EndComp
$Comp
L R R?
U 1 1 58D5759A
P 8900 1400
F 0 "R?" V 8980 1400 50  0000 C CNN
F 1 "10k" V 8900 1400 50  0000 C CNN
F 2 "" V 8830 1400 50  0001 C CNN
F 3 "" H 8900 1400 50  0001 C CNN
	1    8900 1400
	0    1    1    0   
$EndComp
$Comp
L R R?
U 1 1 58D57637
P 9300 1400
F 0 "R?" V 9380 1400 50  0000 C CNN
F 1 "10k" V 9300 1400 50  0000 C CNN
F 2 "" V 9230 1400 50  0001 C CNN
F 3 "" H 9300 1400 50  0001 C CNN
	1    9300 1400
	0    1    1    0   
$EndComp
Wire Wire Line
	8750 1150 8750 1400
Connection ~ 8750 1150
Wire Wire Line
	9050 1400 9150 1400
Wire Wire Line
	9100 1400 9100 2000
Connection ~ 9100 1400
$Comp
L GNDA #PWR?
U 1 1 58D577C3
P 9450 1400
F 0 "#PWR?" H 9450 1150 50  0001 C CNN
F 1 "GNDA" H 9450 1250 50  0000 C CNN
F 2 "" H 9450 1400 50  0001 C CNN
F 3 "" H 9450 1400 50  0001 C CNN
	1    9450 1400
	0    -1   -1   0   
$EndComp
$Comp
L GNDA #PWR?
U 1 1 58D577F5
P 9350 2400
F 0 "#PWR?" H 9350 2150 50  0001 C CNN
F 1 "GNDA" H 9350 2250 50  0000 C CNN
F 2 "" H 9350 2400 50  0001 C CNN
F 3 "" H 9350 2400 50  0001 C CNN
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$EndComp
Wire Wire Line
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Wire Wire Line
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Wire Wire Line
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Wire Wire Line
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Wire Wire Line
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Text GLabel 9950 2100 2    87   Input ~ 0
Vref/2
$Comp
L LP2985LV U?
U 1 1 58D57CC7
P 5000 1450
F 0 "U?" H 5200 1000 50  0000 C CNN
F 1 "LP2985LV" H 5000 1900 50  0000 C CNN
F 2 "" H 5000 1450 50  0001 C CNN
F 3 "" H 5000 1450 50  0001 C CNN
	1    5000 1450
	1    0    0    -1  
$EndComp
$Comp
L VBATT #PWR?
U 1 1 58D57D74
P 4200 1150
F 0 "#PWR?" H 4200 1000 50  0001 C CNN
F 1 "VBATT" H 4200 1300 50  0000 C CNN
F 2 "" H 4200 1150 50  0000 C CNN
F 3 "" H 4200 1150 50  0000 C CNN
	1    4200 1150
	1    0    0    -1  
$EndComp
Wire Wire Line
	4200 1350 4200 1150
$Comp
L C C?
U 1 1 58D57E78
P 4050 1850
F 0 "C?" H 4075 1950 50  0000 L CNN
F 1 "10nF" H 4075 1750 50  0000 L CNN
F 2 "" H 4088 1700 50  0001 C CNN
F 3 "" H 4050 1850 50  0001 C CNN
	1    4050 1850
	1    0    0    -1  
$EndComp
Wire Wire Line
	4050 2000 4050 2150
Wire Wire Line
	4050 2150 5000 2150
$Comp
L GNDA #PWR?
U 1 1 58D57FC1
P 5000 2150
F 0 "#PWR?" H 5000 1900 50  0001 C CNN
F 1 "GNDA" H 5000 2000 50  0000 C CNN
F 2 "" H 5000 2150 50  0001 C CNN
F 3 "" H 5000 2150 50  0001 C CNN
	1    5000 2150
	1    0    0    -1  
$EndComp
Wire Wire Line
	4050 1700 4050 1650
Wire Wire Line
	4050 1650 4200 1650
$Comp
L +5V #PWR?
U 1 1 58D58154
P 5950 1150
F 0 "#PWR?" H 5950 1000 50  0001 C CNN
F 1 "+5V" H 5950 1290 50  0000 C CNN
F 2 "" H 5950 1150 50  0001 C CNN
F 3 "" H 5950 1150 50  0001 C CNN
	1    5950 1150
	1    0    0    -1  
$EndComp
Wire Wire Line
	5800 1150 5950 1150
$Comp
L VBATT #PWR?
U 1 1 58D58272
P 8050 850
F 0 "#PWR?" H 8050 700 50  0001 C CNN
F 1 "VBATT" H 8050 1000 50  0000 C CNN
F 2 "" H 8050 850 50  0000 C CNN
F 3 "" H 8050 850 50  0000 C CNN
	1    8050 850 
	1    0    0    -1  
$EndComp
$Comp
L VBATT #PWR?
U 1 1 58D58313
P 9350 1800
F 0 "#PWR?" H 9350 1650 50  0001 C CNN
F 1 "VBATT" H 9350 1950 50  0000 C CNN
F 2 "" H 9350 1800 50  0000 C CNN
F 3 "" H 9350 1800 50  0000 C CNN
	1    9350 1800
	1    0    0    -1  
$EndComp
$EndSCHEMATC