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sensors_temp_rtd.sch
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EESchema Schematic File Version 4
EELAYER 30 0
EELAYER END
$Descr A4 11693 8268
encoding utf-8
Sheet 27 30
Title "RTD Temperature Sensor Input"
Date ""
Rev "2.0"
Comp "RespiraWorks"
Comment1 ""
Comment2 ""
Comment3 ""
Comment4 ""
$EndDescr
Text HLabel 6950 3400 2 50 Output ~ 0
Out
Text HLabel 2600 2550 0 50 Input ~ 0
Vcc
$Comp
L RespiraWorks:INA333AIDGKR U?
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P 5100 3400
AR Path="/5FCD4EEA/600F5EF3/600F95B5" Ref="U?" Part="1"
AR Path="/5FCD4EEA/600F7154/600F95B5" Ref="U?" Part="1"
AR Path="/5FCD4EEA/600F719E/600F95B5" Ref="U?" Part="1"
AR Path="/5FCD4EEA/600F71F1/600F95B5" Ref="U?" Part="1"
AR Path="/5FCD4EEA/600F723B/600F95B5" Ref="U?" Part="1"
F 0 "U?" H 5300 3650 50 0000 L CNN
F 1 "INA333AIDGKR" H 5250 3550 50 0000 L CNN
F 2 "RespiraWorks_Std:VSSOP-8_3.0x3.0mm_P0.65mm" H 5100 3400 50 0001 C CNN
F 3 "" H 5100 3400 50 0001 C CNN
1 5100 3400
1 0 0 -1
$EndComp
$Comp
L Device:R R?
U 1 1 600FB2AC
P 4100 3450
AR Path="/600FB2AC" Ref="R?" Part="1"
AR Path="/5E8AFE9D/600FB2AC" Ref="R?" Part="1"
AR Path="/5E8C8865/600FB2AC" Ref="R?" Part="1"
AR Path="/5E8E1F08/600FB2AC" Ref="R?" Part="1"
AR Path="/5FCD4DF5/600FB2AC" Ref="R?" Part="1"
AR Path="/5FCD4E9D/600FB2AC" Ref="R?" Part="1"
AR Path="/5FCD4E9D/6007E2BB/600FB2AC" Ref="R?" Part="1"
AR Path="/5FCD4E9D/60073FCF/600FB2AC" Ref="R?" Part="1"
AR Path="/5FCD4EEA/600F5EF3/600FB2AC" Ref="R?" Part="1"
AR Path="/5FCD4EEA/600F7154/600FB2AC" Ref="R?" Part="1"
AR Path="/5FCD4EEA/600F719E/600FB2AC" Ref="R?" Part="1"
AR Path="/5FCD4EEA/600F71F1/600FB2AC" Ref="R?" Part="1"
AR Path="/5FCD4EEA/600F723B/600FB2AC" Ref="R?" Part="1"
F 0 "R?" H 3950 3450 50 0000 C CNN
F 1 "3K 0.1%" H 3850 3550 50 0000 C CNN
F 2 "RespiraWorks_Std:R_0603_1608Metric" V 4030 3450 50 0001 C CNN
F 3 "~" H 4100 3450 50 0001 C CNN
F 4 "KOA Speer" H 4100 3450 50 0001 C CNN "Manufacturer"
1 4100 3450
-1 0 0 1
$EndComp
$Comp
L power:GND #PWR?
U 1 1 600FB2B2
P 5100 3700
AR Path="/5FCD4B8E/5FCD4BC5/600FB2B2" Ref="#PWR?" Part="1"
AR Path="/5FCD4B8E/5FE27F70/600FB2B2" Ref="#PWR?" Part="1"
AR Path="/5FCD4B8E/5FCD4BF6/600FB2B2" Ref="#PWR?" Part="1"
AR Path="/5FCD4B8E/606EF10F/600FB2B2" Ref="#PWR?" Part="1"
AR Path="/5FCD4E9D/600FB2B2" Ref="#PWR?" Part="1"
AR Path="/5FCD4E9D/6007E2BB/600FB2B2" Ref="#PWR?" Part="1"
AR Path="/5FCD4E9D/60073FCF/600FB2B2" Ref="#PWR?" Part="1"
AR Path="/5FCD4EEA/600F5EF3/600FB2B2" Ref="#PWR?" Part="1"
AR Path="/5FCD4EEA/600F7154/600FB2B2" Ref="#PWR?" Part="1"
AR Path="/5FCD4EEA/600F719E/600FB2B2" Ref="#PWR?" Part="1"
AR Path="/5FCD4EEA/600F71F1/600FB2B2" Ref="#PWR?" Part="1"
AR Path="/5FCD4EEA/600F723B/600FB2B2" Ref="#PWR?" Part="1"
F 0 "#PWR?" H 5100 3450 50 0001 C CNN
F 1 "GND" H 5105 3527 50 0000 C CNN
F 2 "" H 5100 3700 50 0001 C CNN
F 3 "" H 5100 3700 50 0001 C CNN
1 5100 3700
-1 0 0 -1
$EndComp
$Comp
L Device:C C?
U 1 1 6010160F
P 5350 2700
AR Path="/6010160F" Ref="C?" Part="1"
AR Path="/5E8AFE9D/6010160F" Ref="C?" Part="1"
AR Path="/5E8FBD97/6010160F" Ref="C?" Part="1"
AR Path="/5E8E0754/6010160F" Ref="C?" Part="1"
AR Path="/5E8DFCAD/6010160F" Ref="C?" Part="1"
AR Path="/5E8DEDC0/6010160F" Ref="C?" Part="1"
AR Path="/5E8C8865/6010160F" Ref="C?" Part="1"
AR Path="/5E8E1F08/6010160F" Ref="C?" Part="1"
AR Path="/5FCD4DF5/6010160F" Ref="C?" Part="1"
AR Path="/5FCD4EEA/600F5EF3/6010160F" Ref="C?" Part="1"
AR Path="/5FCD4EEA/600F7154/6010160F" Ref="C?" Part="1"
AR Path="/5FCD4EEA/600F719E/6010160F" Ref="C?" Part="1"
AR Path="/5FCD4EEA/600F71F1/6010160F" Ref="C?" Part="1"
AR Path="/5FCD4EEA/600F723B/6010160F" Ref="C?" Part="1"
F 0 "C?" H 5450 2500 50 0000 C CNN
F 1 "100nF 100V X7R" H 5700 2600 50 0000 C CNN
F 2 "RespiraWorks_Std:C_0603_1608Metric" H 5388 2550 50 0001 C CNN
F 3 "~" H 5350 2700 50 0001 C CNN
F 4 "" H 5350 2700 50 0001 C CNN "Manufacturer"
1 5350 2700
1 0 0 1
$EndComp
$Comp
L power:GND #PWR?
U 1 1 60101615
P 5350 2850
AR Path="/60101615" Ref="#PWR?" Part="1"
AR Path="/5E8AFE9D/60101615" Ref="#PWR?" Part="1"
AR Path="/5E8FBD97/60101615" Ref="#PWR?" Part="1"
AR Path="/5E8E0754/60101615" Ref="#PWR?" Part="1"
AR Path="/5E8DFCAD/60101615" Ref="#PWR?" Part="1"
AR Path="/5E8DEDC0/60101615" Ref="#PWR?" Part="1"
AR Path="/5E8C8865/60101615" Ref="#PWR?" Part="1"
AR Path="/5E8E1F08/60101615" Ref="#PWR?" Part="1"
AR Path="/5FCD4DF5/60101615" Ref="#PWR?" Part="1"
AR Path="/5FCD4EEA/600F5EF3/60101615" Ref="#PWR?" Part="1"
AR Path="/5FCD4EEA/600F7154/60101615" Ref="#PWR?" Part="1"
AR Path="/5FCD4EEA/600F719E/60101615" Ref="#PWR?" Part="1"
AR Path="/5FCD4EEA/600F71F1/60101615" Ref="#PWR?" Part="1"
AR Path="/5FCD4EEA/600F723B/60101615" Ref="#PWR?" Part="1"
F 0 "#PWR?" H 5350 2600 50 0001 C CNN
F 1 "GND" H 5355 2677 50 0000 C CNN
F 2 "" H 5350 2850 50 0001 C CNN
F 3 "" H 5350 2850 50 0001 C CNN
1 5350 2850
-1 0 0 -1
$EndComp
Wire Wire Line
5100 2550 5100 3100
Wire Wire Line
5350 2550 5100 2550
Connection ~ 5100 2550
Wire Wire Line
5100 3700 5200 3700
Connection ~ 5100 3700
Wire Wire Line
4800 3500 4550 3500
Wire Wire Line
4550 3500 4550 3600
Wire Wire Line
4550 3600 4100 3600
Wire Wire Line
4800 3300 4100 3300
Text Notes 6100 2350 0 50 ~ 0
0 to 3.3V output = -46 C to +177 C\nTemp (C) = ((26.1*Vout+82)/100 - 1)/0.00385
$Comp
L Device:R R?
U 1 1 60107EEF
P 3350 3500
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AR Path="/5E8AFE9D/60107EEF" Ref="R?" Part="1"
AR Path="/5E8C8865/60107EEF" Ref="R?" Part="1"
AR Path="/5E8E1F08/60107EEF" Ref="R?" Part="1"
AR Path="/5FCD4DF5/60107EEF" Ref="R?" Part="1"
AR Path="/5FCD4E9D/60107EEF" Ref="R?" Part="1"
AR Path="/5FCD4E9D/6007E2BB/60107EEF" Ref="R?" Part="1"
AR Path="/5FCD4E9D/60073FCF/60107EEF" Ref="R?" Part="1"
AR Path="/5FCD4EEA/600F5EF3/60107EEF" Ref="R?" Part="1"
AR Path="/5FCD4EEA/600F7154/60107EEF" Ref="R?" Part="1"
AR Path="/5FCD4EEA/600F719E/60107EEF" Ref="R?" Part="1"
AR Path="/5FCD4EEA/600F71F1/60107EEF" Ref="R?" Part="1"
AR Path="/5FCD4EEA/600F723B/60107EEF" Ref="R?" Part="1"
F 0 "R?" H 3200 3500 50 0000 C CNN
F 1 "2.7K 0.1%" H 3050 3600 50 0000 C CNN
F 2 "RespiraWorks_Std:R_0603_1608Metric" V 3280 3500 50 0001 C CNN
F 3 "~" H 3350 3500 50 0001 C CNN
F 4 "KOA Speer" H 3350 3500 50 0001 C CNN "Manufacturer"
1 3350 3500
-1 0 0 1
$EndComp
$Comp
L Device:R R?
U 1 1 6010841A
P 3350 3800
AR Path="/6010841A" Ref="R?" Part="1"
AR Path="/5E8AFE9D/6010841A" Ref="R?" Part="1"
AR Path="/5E8C8865/6010841A" Ref="R?" Part="1"
AR Path="/5E8E1F08/6010841A" Ref="R?" Part="1"
AR Path="/5FCD4DF5/6010841A" Ref="R?" Part="1"
AR Path="/5FCD4E9D/6010841A" Ref="R?" Part="1"
AR Path="/5FCD4E9D/6007E2BB/6010841A" Ref="R?" Part="1"
AR Path="/5FCD4E9D/60073FCF/6010841A" Ref="R?" Part="1"
AR Path="/5FCD4EEA/600F5EF3/6010841A" Ref="R?" Part="1"
AR Path="/5FCD4EEA/600F7154/6010841A" Ref="R?" Part="1"
AR Path="/5FCD4EEA/600F719E/6010841A" Ref="R?" Part="1"
AR Path="/5FCD4EEA/600F71F1/6010841A" Ref="R?" Part="1"
AR Path="/5FCD4EEA/600F723B/6010841A" Ref="R?" Part="1"
F 0 "R?" H 3200 3800 50 0000 C CNN
F 1 "82 0.1%" H 3100 3900 50 0000 C CNN
F 2 "RespiraWorks_Std:R_0603_1608Metric" V 3280 3800 50 0001 C CNN
F 3 "~" H 3350 3800 50 0001 C CNN
F 4 "KOA Speer" H 3350 3800 50 0001 C CNN "Manufacturer"
1 3350 3800
-1 0 0 1
$EndComp
$Comp
L power:GND #PWR?
U 1 1 601088DB
P 3350 3950
AR Path="/5FCD4B8E/5FCD4BC5/601088DB" Ref="#PWR?" Part="1"
AR Path="/5FCD4B8E/5FE27F70/601088DB" Ref="#PWR?" Part="1"
AR Path="/5FCD4B8E/5FCD4BF6/601088DB" Ref="#PWR?" Part="1"
AR Path="/5FCD4B8E/606EF10F/601088DB" Ref="#PWR?" Part="1"
AR Path="/5FCD4E9D/601088DB" Ref="#PWR?" Part="1"
AR Path="/5FCD4E9D/6007E2BB/601088DB" Ref="#PWR?" Part="1"
AR Path="/5FCD4E9D/60073FCF/601088DB" Ref="#PWR?" Part="1"
AR Path="/5FCD4EEA/600F5EF3/601088DB" Ref="#PWR?" Part="1"
AR Path="/5FCD4EEA/600F7154/601088DB" Ref="#PWR?" Part="1"
AR Path="/5FCD4EEA/600F719E/601088DB" Ref="#PWR?" Part="1"
AR Path="/5FCD4EEA/600F71F1/601088DB" Ref="#PWR?" Part="1"
AR Path="/5FCD4EEA/600F723B/601088DB" Ref="#PWR?" Part="1"
F 0 "#PWR?" H 3350 3700 50 0001 C CNN
F 1 "GND" H 3355 3777 50 0000 C CNN
F 2 "" H 3350 3950 50 0001 C CNN
F 3 "" H 3350 3950 50 0001 C CNN
1 3350 3950
-1 0 0 -1
$EndComp
Wire Wire Line
3350 3350 3350 2550
Connection ~ 3350 2550
Wire Wire Line
3350 2550 5100 2550
Wire Wire Line
4800 3600 4750 3600
Wire Wire Line
4750 3600 4750 3650
Wire Wire Line
4750 3650 3350 3650
Connection ~ 3350 3650
$Comp
L Device:R R?
U 1 1 60108F2B
P 2800 2700
AR Path="/60108F2B" Ref="R?" Part="1"
AR Path="/5E8AFE9D/60108F2B" Ref="R?" Part="1"
AR Path="/5E8C8865/60108F2B" Ref="R?" Part="1"
AR Path="/5E8E1F08/60108F2B" Ref="R?" Part="1"
AR Path="/5FCD4DF5/60108F2B" Ref="R?" Part="1"
AR Path="/5FCD4E9D/60108F2B" Ref="R?" Part="1"
AR Path="/5FCD4E9D/6007E2BB/60108F2B" Ref="R?" Part="1"
AR Path="/5FCD4E9D/60073FCF/60108F2B" Ref="R?" Part="1"
AR Path="/5FCD4EEA/600F5EF3/60108F2B" Ref="R?" Part="1"
AR Path="/5FCD4EEA/600F7154/60108F2B" Ref="R?" Part="1"
AR Path="/5FCD4EEA/600F719E/60108F2B" Ref="R?" Part="1"
AR Path="/5FCD4EEA/600F71F1/60108F2B" Ref="R?" Part="1"
AR Path="/5FCD4EEA/600F723B/60108F2B" Ref="R?" Part="1"
F 0 "R?" H 2650 2700 50 0000 C CNN
F 1 "2.7K 0.1%" H 2500 2800 50 0000 C CNN
F 2 "RespiraWorks_Std:R_0603_1608Metric" V 2730 2700 50 0001 C CNN
F 3 "~" H 2800 2700 50 0001 C CNN
F 4 "KOA Speer" H 2800 2700 50 0001 C CNN "Manufacturer"
1 2800 2700
-1 0 0 1
$EndComp
Wire Wire Line
2600 2550 2800 2550
Connection ~ 2800 2550
Wire Wire Line
2800 2550 3350 2550
Wire Wire Line
4800 3200 3250 3200
Wire Wire Line
2800 2850 2800 3200
Connection ~ 2800 3200
Wire Wire Line
2800 3200 2400 3200
$Comp
L Connector_Generic:Conn_01x02 J?
U 1 1 6010AD26
P 2200 3200
AR Path="/5FCD4EEA/600F5EF3/6010AD26" Ref="J?" Part="1"
AR Path="/5FCD4EEA/600F7154/6010AD26" Ref="J?" Part="1"
AR Path="/5FCD4EEA/600F719E/6010AD26" Ref="J?" Part="1"
AR Path="/5FCD4EEA/600F71F1/6010AD26" Ref="J?" Part="1"
AR Path="/5FCD4EEA/600F723B/6010AD26" Ref="J?" Part="1"
F 0 "J?" H 2118 3417 50 0000 C CNN
F 1 "Molex Micro-Fit" H 2118 3326 50 0000 C CNN
F 2 "RespiraWorks_Std:Molex_Micro-Fit_3.0_43650-0215_1x02_P3.00mm_Vertical" H 2200 3200 50 0001 C CNN
F 3 "~" H 2200 3200 50 0001 C CNN
1 2200 3200
-1 0 0 -1
$EndComp
$Comp
L power:GND #PWR?
U 1 1 6010B42D
P 2400 3300
AR Path="/5FCD4B8E/5FCD4BC5/6010B42D" Ref="#PWR?" Part="1"
AR Path="/5FCD4B8E/5FE27F70/6010B42D" Ref="#PWR?" Part="1"
AR Path="/5FCD4B8E/5FCD4BF6/6010B42D" Ref="#PWR?" Part="1"
AR Path="/5FCD4B8E/606EF10F/6010B42D" Ref="#PWR?" Part="1"
AR Path="/5FCD4E9D/6010B42D" Ref="#PWR?" Part="1"
AR Path="/5FCD4E9D/6007E2BB/6010B42D" Ref="#PWR?" Part="1"
AR Path="/5FCD4E9D/60073FCF/6010B42D" Ref="#PWR?" Part="1"
AR Path="/5FCD4EEA/600F5EF3/6010B42D" Ref="#PWR?" Part="1"
AR Path="/5FCD4EEA/600F7154/6010B42D" Ref="#PWR?" Part="1"
AR Path="/5FCD4EEA/600F719E/6010B42D" Ref="#PWR?" Part="1"
AR Path="/5FCD4EEA/600F71F1/6010B42D" Ref="#PWR?" Part="1"
AR Path="/5FCD4EEA/600F723B/6010B42D" Ref="#PWR?" Part="1"
F 0 "#PWR?" H 2400 3050 50 0001 C CNN
F 1 "GND" H 2405 3127 50 0000 C CNN
F 2 "" H 2400 3300 50 0001 C CNN
F 3 "" H 2400 3300 50 0001 C CNN
1 2400 3300
-1 0 0 -1
$EndComp
Text Notes 1650 3300 0 50 ~ 0
PT100 RTD
$Comp
L Device:R R?
U 1 1 6010DA1B
P 6000 3400
AR Path="/6010DA1B" Ref="R?" Part="1"
AR Path="/5E8AFE9D/6010DA1B" Ref="R?" Part="1"
AR Path="/5E8C8865/6010DA1B" Ref="R?" Part="1"
AR Path="/5E8E1F08/6010DA1B" Ref="R?" Part="1"
AR Path="/5FCD4DF5/6010DA1B" Ref="R?" Part="1"
AR Path="/5FCD4E9D/6010DA1B" Ref="R?" Part="1"
AR Path="/5FCD4E9D/6007E2BB/6010DA1B" Ref="R?" Part="1"
AR Path="/5FCD4E9D/60073FCF/6010DA1B" Ref="R?" Part="1"
AR Path="/5FCD4EEA/600F5EF3/6010DA1B" Ref="R?" Part="1"
AR Path="/5FCD4EEA/600F7154/6010DA1B" Ref="R?" Part="1"
AR Path="/5FCD4EEA/600F719E/6010DA1B" Ref="R?" Part="1"
AR Path="/5FCD4EEA/600F71F1/6010DA1B" Ref="R?" Part="1"
AR Path="/5FCD4EEA/600F723B/6010DA1B" Ref="R?" Part="1"
F 0 "R?" V 6200 3400 50 0000 C CNN
F 1 "1.5K 1%" V 6100 3350 50 0000 C CNN
F 2 "RespiraWorks_Std:R_0603_1608Metric" V 5930 3400 50 0001 C CNN
F 3 "~" H 6000 3400 50 0001 C CNN
F 4 "KOA Speer" H 6000 3400 50 0001 C CNN "Manufacturer"
1 6000 3400
0 -1 -1 0
$EndComp
Wire Wire Line
5850 3400 5550 3400
$Comp
L Device:C C?
U 1 1 60117C61
P 6450 3550
AR Path="/5FCD4B8E/5FCD4BC5/60117C61" Ref="C?" Part="1"
AR Path="/5FCD4B8E/5FE27F70/60117C61" Ref="C?" Part="1"
AR Path="/5FCD4B8E/5FCD4BF6/60117C61" Ref="C?" Part="1"
AR Path="/5FCD4B8E/606EF10F/60117C61" Ref="C?" Part="1"
AR Path="/5FCD4E9D/60117C61" Ref="C?" Part="1"
AR Path="/5FCD4E9D/6007E2BB/60117C61" Ref="C?" Part="1"
AR Path="/5FCD4E9D/60073FCF/60117C61" Ref="C?" Part="1"
AR Path="/5FCD4E9D/600630A6/60117C61" Ref="C?" Part="1"
AR Path="/5FCD4E9D/6007AC3B/60117C61" Ref="C?" Part="1"
AR Path="/5FCD4E9D/6007DA64/60117C61" Ref="C?" Part="1"
AR Path="/5FCD4E9D/6007BD34/60117C61" Ref="C?" Part="1"
AR Path="/5FCD4EEA/600F5EF3/60117C61" Ref="C?" Part="1"
AR Path="/5FCD4EEA/600F71F1/60117C61" Ref="C?" Part="1"
AR Path="/5FCD4EEA/600F723B/60117C61" Ref="C?" Part="1"
AR Path="/5FCD4EEA/600F7154/60117C61" Ref="C?" Part="1"
AR Path="/5FCD4EEA/600F719E/60117C61" Ref="C?" Part="1"
F 0 "C?" H 6750 3550 50 0000 L CNN
F 1 "1uF 10V X7R" H 6550 3650 50 0000 L CNN
F 2 "RespiraWorks_Std:C_0603_1608Metric" H 6488 3400 50 0001 C CNN
F 3 "~" H 6450 3550 50 0001 C CNN
1 6450 3550
1 0 0 1
$EndComp
$Comp
L power:GND #PWR?
U 1 1 60117C67
P 6450 3700
AR Path="/5FCD4B8E/5FCD4BC5/60117C67" Ref="#PWR?" Part="1"
AR Path="/5FCD4B8E/5FE27F70/60117C67" Ref="#PWR?" Part="1"
AR Path="/5FCD4B8E/5FCD4BF6/60117C67" Ref="#PWR?" Part="1"
AR Path="/5FCD4B8E/606EF10F/60117C67" Ref="#PWR?" Part="1"
AR Path="/5FCD4E9D/60117C67" Ref="#PWR?" Part="1"
AR Path="/5FCD4E9D/6007E2BB/60117C67" Ref="#PWR?" Part="1"
AR Path="/5FCD4E9D/60073FCF/60117C67" Ref="#PWR?" Part="1"
AR Path="/5FCD4E9D/600630A6/60117C67" Ref="#PWR?" Part="1"
AR Path="/5FCD4E9D/6007AC3B/60117C67" Ref="#PWR?" Part="1"
AR Path="/5FCD4E9D/6007DA64/60117C67" Ref="#PWR?" Part="1"
AR Path="/5FCD4E9D/6007BD34/60117C67" Ref="#PWR?" Part="1"
AR Path="/5FCD4EEA/600F5EF3/60117C67" Ref="#PWR?" Part="1"
AR Path="/5FCD4EEA/600F71F1/60117C67" Ref="#PWR?" Part="1"
AR Path="/5FCD4EEA/600F723B/60117C67" Ref="#PWR?" Part="1"
AR Path="/5FCD4EEA/600F7154/60117C67" Ref="#PWR?" Part="1"
AR Path="/5FCD4EEA/600F719E/60117C67" Ref="#PWR?" Part="1"
F 0 "#PWR?" H 6450 3450 50 0001 C CNN
F 1 "GND" H 6455 3527 50 0000 C CNN
F 2 "" H 6450 3700 50 0001 C CNN
F 3 "" H 6450 3700 50 0001 C CNN
1 6450 3700
-1 0 0 -1
$EndComp
Wire Wire Line
6150 3400 6450 3400
Connection ~ 6450 3400
Wire Wire Line
6450 3400 6950 3400
Text Notes 6400 3300 0 50 ~ 0
LPF fc = 106 Hz
Text Notes 3800 3100 0 50 ~ 0
Rg = 100K/(Gain - 1)
Text Notes 3900 3450 0 50 ~ 0
Rg
$Comp
L Device:R R?
U 1 1 6011F41A
P 5550 3650
AR Path="/6011F41A" Ref="R?" Part="1"
AR Path="/5E8AFE9D/6011F41A" Ref="R?" Part="1"
AR Path="/5E8C8865/6011F41A" Ref="R?" Part="1"
AR Path="/5E8E1F08/6011F41A" Ref="R?" Part="1"
AR Path="/5FCD4DF5/6011F41A" Ref="R?" Part="1"
AR Path="/5FCD4E9D/6011F41A" Ref="R?" Part="1"
AR Path="/5FCD4E9D/6007E2BB/6011F41A" Ref="R?" Part="1"
AR Path="/5FCD4E9D/60073FCF/6011F41A" Ref="R?" Part="1"
AR Path="/5FCD4EEA/600F5EF3/6011F41A" Ref="R?" Part="1"
AR Path="/5FCD4EEA/600F7154/6011F41A" Ref="R?" Part="1"
AR Path="/5FCD4EEA/600F719E/6011F41A" Ref="R?" Part="1"
AR Path="/5FCD4EEA/600F71F1/6011F41A" Ref="R?" Part="1"
AR Path="/5FCD4EEA/600F723B/6011F41A" Ref="R?" Part="1"
F 0 "R?" H 5650 3600 50 0000 C CNN
F 1 "DNP" H 5700 3700 50 0000 C CNN
F 2 "RespiraWorks_Std:R_0603_1608Metric" V 5480 3650 50 0001 C CNN
F 3 "~" H 5550 3650 50 0001 C CNN
F 4 "KOA Speer" H 5550 3650 50 0001 C CNN "Manufacturer"
1 5550 3650
1 0 0 -1
$EndComp
Wire Wire Line
5550 3500 5550 3400
Connection ~ 5550 3400
Wire Wire Line
5550 3400 5500 3400
$Comp
L power:GND #PWR?
U 1 1 6011FA8C
P 5550 3800
AR Path="/5FCD4B8E/5FCD4BC5/6011FA8C" Ref="#PWR?" Part="1"
AR Path="/5FCD4B8E/5FE27F70/6011FA8C" Ref="#PWR?" Part="1"
AR Path="/5FCD4B8E/5FCD4BF6/6011FA8C" Ref="#PWR?" Part="1"
AR Path="/5FCD4B8E/606EF10F/6011FA8C" Ref="#PWR?" Part="1"
AR Path="/5FCD4E9D/6011FA8C" Ref="#PWR?" Part="1"
AR Path="/5FCD4E9D/6007E2BB/6011FA8C" Ref="#PWR?" Part="1"
AR Path="/5FCD4E9D/60073FCF/6011FA8C" Ref="#PWR?" Part="1"
AR Path="/5FCD4E9D/600630A6/6011FA8C" Ref="#PWR?" Part="1"
AR Path="/5FCD4E9D/6007AC3B/6011FA8C" Ref="#PWR?" Part="1"
AR Path="/5FCD4E9D/6007DA64/6011FA8C" Ref="#PWR?" Part="1"
AR Path="/5FCD4E9D/6007BD34/6011FA8C" Ref="#PWR?" Part="1"
AR Path="/5FCD4EEA/600F5EF3/6011FA8C" Ref="#PWR?" Part="1"
AR Path="/5FCD4EEA/600F71F1/6011FA8C" Ref="#PWR?" Part="1"
AR Path="/5FCD4EEA/600F723B/6011FA8C" Ref="#PWR?" Part="1"
AR Path="/5FCD4EEA/600F7154/6011FA8C" Ref="#PWR?" Part="1"
AR Path="/5FCD4EEA/600F719E/6011FA8C" Ref="#PWR?" Part="1"
F 0 "#PWR?" H 5550 3550 50 0001 C CNN
F 1 "GND" H 5555 3627 50 0000 C CNN
F 2 "" H 5550 3800 50 0001 C CNN
F 3 "" H 5550 3800 50 0001 C CNN
1 5550 3800
-1 0 0 -1
$EndComp
$Comp
L Device:R R?
U 1 1 6012151D
P 3100 3200
AR Path="/6012151D" Ref="R?" Part="1"
AR Path="/5E8AFE9D/6012151D" Ref="R?" Part="1"
AR Path="/5E8C8865/6012151D" Ref="R?" Part="1"
AR Path="/5E8E1F08/6012151D" Ref="R?" Part="1"
AR Path="/5FCD4DF5/6012151D" Ref="R?" Part="1"
AR Path="/5FCD4E9D/6012151D" Ref="R?" Part="1"
AR Path="/5FCD4E9D/6007E2BB/6012151D" Ref="R?" Part="1"
AR Path="/5FCD4E9D/60073FCF/6012151D" Ref="R?" Part="1"
AR Path="/5FCD4EEA/600F5EF3/6012151D" Ref="R?" Part="1"
AR Path="/5FCD4EEA/600F7154/6012151D" Ref="R?" Part="1"
AR Path="/5FCD4EEA/600F719E/6012151D" Ref="R?" Part="1"
AR Path="/5FCD4EEA/600F71F1/6012151D" Ref="R?" Part="1"
AR Path="/5FCD4EEA/600F723B/6012151D" Ref="R?" Part="1"
F 0 "R?" V 3300 3250 50 0000 C CNN
F 1 "10K 1%" V 3200 3200 50 0000 C CNN
F 2 "RespiraWorks_Std:R_0603_1608Metric" V 3030 3200 50 0001 C CNN
F 3 "~" H 3100 3200 50 0001 C CNN
F 4 "KOA Speer" H 3100 3200 50 0001 C CNN "Manufacturer"
1 3100 3200
0 -1 -1 0
$EndComp
Wire Wire Line
2950 3200 2800 3200
Text Notes 1700 4150 0 50 ~ 0
Series input protection:\n200 pA max. input bias for INA333\n= 2 µV max. offset << 25 µV of\nINA333's own input offset
Wire Notes Line
3050 3300 3050 3900
Text Notes 4600 4500 0 50 ~ 0
Optionally holds output low (10K or so)\nin case INA333 fails or its supply voltage\ndisappears
Wire Notes Line
5500 3650 5350 3650
Wire Notes Line
5350 3650 5350 4250
$EndSCHEMATC