Science
/
polymer-strain-amp
1
0
Fork 0
Code Releases Activity

Removes choppers, adds annotation

This commit is contained in:
Shawn Nock 2017-03-24 14:27:32 -04:00
parent e8828ee970
commit a855204cde
5 changed files with 590 additions and 1132 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

128
bmi-8ch-cache.lib
View File

@ -1,52 +1,56 @@
EESchema-LIBRARY Version 2.3 EESchema-LIBRARY Version 2.3
#encoding utf-8 #encoding utf-8
# #
# +5V # AD8227
# #
DEF +5V #PWR 0 0 Y Y 1 F P DEF AD8227 U 0 10 Y Y 1 F N
F0 "#PWR" 0 -150 50 H I C CNN F0 "U" 150 125 50 H V L CNN
F1 "+5V" 0 140 50 H V C CNN F1 "AD8227" 150 -125 50 H V L CNN
F2 "" 0 0 50 H I C CNN F2 "" 100 0 50 H I C CNN
F3 "" 0 0 50 H I C CNN F3 "" 100 0 50 H I C CNN
$FPLIST
DIP*W7.62mm*
SOIC*Pitch1.27mm*
$ENDFPLIST
DRAW DRAW
P 2 0 1 0 -30 50 0 100 N P 4 0 1 10 300 0 -200 250 -200 -250 300 0 f
P 2 0 1 0 0 0 0 100 N X - 1 -300 -200 100 R 50 50 1 1 I
P 2 0 1 0 0 100 30 50 N X Rg 2 -300 -100 100 R 50 50 1 1 P
X +5V 1 0 0 0 U 50 50 1 1 W N X Rg 3 -300 100 100 R 50 50 1 1 P
X + 4 -300 200 100 R 50 50 1 1 I
X V- 5 0 -300 150 U 50 50 1 1 W
X Ref 6 100 -300 200 U 50 50 1 1 I
X ~ 7 400 0 100 L 50 50 1 1 O
X V+ 8 0 300 150 D 50 50 1 1 W
ENDDRAW ENDDRAW
ENDDEF ENDDEF
# #
# AD8237 # AD8538
# #
DEF AD8237 U 0 20 Y Y 1 F N DEF AD8538 U 0 20 Y Y 1 F N
F0 "U" 200 150 50 H V L CNN F0 "U" 200 150 50 H V L CNN
F1 "AD8237" 200 -150 50 H V L CNN F1 "AD8538" 200 -150 50 H V L CNN
F2 "" 0 0 50 H I C CNN F2 "" 0 0 50 H I C CNN
F3 "" 0 0 50 H I C CNN F3 "" 0 0 50 H I C CNN
$FPLIST $FPLIST
MSOP-8 MSOP-8
SOIC-8
$ENDFPLIST $ENDFPLIST
DRAW DRAW
P 2 0 1 6 0 -150 0 -100 N
P 2 0 1 6 0 150 0 100 N
P 3 0 1 6 50 -75 100 -125 100 -150 N
P 4 0 1 10 200 0 -200 200 -200 -200 200 0 f P 4 0 1 10 200 0 -200 200 -200 -200 200 0 f
X BW 1 0 -300 150 U 50 50 1 1 P X V- 2 -50 -250 126 U 50 39 0 1 W
X + 2 -300 100 100 R 50 50 1 1 I X V+ 5 -50 250 126 D 50 39 0 1 W
X - 3 -300 -100 100 R 50 50 1 1 I X ~ 1 300 0 100 L 50 50 1 1 O
X V- 4 -100 -300 150 U 50 50 1 1 W X + 3 -300 100 100 R 50 50 1 1 I
X V+ 5 -100 300 150 D 50 50 1 1 W X - 4 -300 -100 100 R 50 50 1 1 I
X Ref 6 0 300 150 D 50 50 1 1 I
X FB 7 100 -300 150 U 50 50 1 1 P
X ~ 8 300 0 100 L 50 50 1 1 O
ENDDRAW ENDDRAW
ENDDEF ENDDEF
# #
# AD8629 # AD8622
# #
DEF AD8629 U 0 20 Y Y 2 F N DEF AD8622 U 0 20 Y Y 2 F N
F0 "U" 200 150 50 H V L CNN F0 "U" 200 150 50 H V L CNN
F1 "AD8629" 200 -150 50 H V L CNN F1 "AD8622" 200 -150 50 H V L CNN
F2 "" 0 0 50 H I C CNN F2 "" 0 0 50 H I C CNN
F3 "" 0 0 50 H I C CNN F3 "" 0 0 50 H I C CNN
$FPLIST $FPLIST
@ -130,6 +134,29 @@ X P3 3 -200 -100 150 R 50 50 1 1 P
ENDDRAW ENDDRAW
ENDDEF ENDDEF
# #
# CP
#
DEF CP C 0 10 N Y 1 F N
F0 "C" 25 100 50 H V L CNN
F1 "CP" 25 -100 50 H V L CNN
F2 "" 38 -150 50 H I C CNN
F3 "" 0 0 50 H I C CNN
$FPLIST
CP_*
$ENDFPLIST
DRAW
S -90 20 -90 40 0 1 0 N
S -90 20 90 20 0 1 0 N
S 90 -20 -90 -40 0 1 0 F
S 90 40 -90 40 0 1 0 N
S 90 40 90 20 0 1 0 N
P 2 0 1 0 -70 90 -30 90 N
P 2 0 1 0 -50 110 -50 70 N
X ~ 1 0 150 110 D 50 50 1 1 P
X ~ 2 0 -150 110 U 50 50 1 1 P
ENDDRAW
ENDDEF
#
# GNDA # GNDA
# #
DEF GNDA #PWR 0 0 Y Y 1 F P DEF GNDA #PWR 0 0 Y Y 1 F P
@ -143,36 +170,6 @@ X GNDA 1 0 0 0 D 50 50 1 1 W N
ENDDRAW ENDDRAW
ENDDEF ENDDEF
# #
# LP2985LV
#
DEF LP2985LV U 0 30 Y Y 1 F N
F0 "U" 200 -450 50 H V C CNN
F1 "LP2985LV" 0 450 50 H V C CNN
F2 "" 0 0 50 H I C CNN
F3 "" 0 0 50 H I C CNN
DRAW
S -500 -400 500 400 0 1 0 N
X VIN 1 -800 300 300 R 50 50 1 1 W
X GND 2 0 -700 300 U 50 50 1 1 W
X ON/OFF 3 -800 100 300 R 50 50 1 1 I
X BYPASS 4 -800 -200 300 R 50 50 1 1 I
X VOUT 5 800 300 300 L 50 50 1 1 w
ENDDRAW
ENDDEF
#
# PWR_FLAG
#
DEF PWR_FLAG #FLG 0 0 N N 1 F P
F0 "#FLG" 0 75 50 H I C CNN
F1 "PWR_FLAG" 0 150 50 H V C CNN
F2 "" 0 0 50 H I C CNN
F3 "" 0 0 50 H I C CNN
DRAW
X pwr 1 0 0 0 U 50 50 0 0 w
P 6 0 1 0 0 0 0 50 -40 75 0 100 40 75 0 50 N
ENDDRAW
ENDDEF
#
# R # R
# #
DEF R R 0 0 N Y 1 F N DEF R R 0 0 N Y 1 F N
@ -191,6 +188,23 @@ X ~ 2 0 -150 50 U 50 50 1 1 P
ENDDRAW ENDDRAW
ENDDEF ENDDEF
# #
# R_Small
#
DEF R_Small R 0 10 N N 1 F N
F0 "R" 30 20 50 H V L CNN
F1 "R_Small" 30 -40 50 H V L CNN
F2 "" 0 0 50 H I C CNN
F3 "" 0 0 50 H I C CNN
$FPLIST
R_*
$ENDFPLIST
DRAW
S -30 70 30 -70 0 1 8 N
X ~ 1 0 100 30 D 50 50 1 1 P
X ~ 2 0 -100 30 U 50 50 1 1 P
ENDDRAW
ENDDEF
#
# VBATT # VBATT
# #
DEF VBATT #PWR 0 0 Y Y 1 F P DEF VBATT #PWR 0 0 Y Y 1 F P

308
bmi-8ch.sch
View File

@ -55,213 +55,187 @@ F4 "GUARD0" O R 1900 2600 87
F5 "GUARD1" O R 1900 2950 87 F5 "GUARD1" O R 1900 2950 87
$EndSheet $EndSheet
$Comp $Comp
L CONN_01X02 J? L CONN_01X02 J101
U 1 1 58D57064 U 1 1 58D57064
P 7150 1100 P 4700 2800
F 0 "J?" H 7150 1250 50 0000 C CNN F 0 "J101" H 4700 2950 50 0000 C CNN
F 1 "External 5V Ref" V 7250 1100 50 0000 C CNN F 1 "External 5V Ref" V 4800 2800 50 0000 C CNN
F 2 "" H 7150 1100 50 0001 C CNN F 2 "" H 4700 2800 50 0001 C CNN
F 3 "" H 7150 1100 50 0001 C CNN F 3 "" H 4700 2800 50 0001 C CNN
1 7150 1100 1 4700 2800
-1 0 0 1 -1 0 0 1
$EndComp $EndComp
$Comp $Comp
L GNDA #PWR? L GNDA #PWR104
U 1 1 58D5726E U 1 1 58D5726E
P 7350 1150 P 4900 2850
F 0 "#PWR?" H 7350 900 50 0001 C CNN F 0 "#PWR104" H 4900 2600 50 0001 C CNN
F 1 "GNDA" H 7350 1000 50 0000 C CNN F 1 "GNDA" H 4900 2700 50 0000 C CNN
F 2 "" H 7350 1150 50 0001 C CNN F 2 "" H 4900 2850 50 0001 C CNN
F 3 "" H 7350 1150 50 0001 C CNN F 3 "" H 4900 2850 50 0001 C CNN
1 7350 1150 1 4900 2850
1 0 0 -1 1 0 0 -1
$EndComp $EndComp
Wire Wire Line Wire Wire Line
7350 1050 7850 1050 4900 2750 5400 2750
Wire Wire Line Wire Wire Line
7850 1250 7850 1700 5400 2950 5400 3400
Wire Wire Line Wire Wire Line
7850 1700 8550 1700 5400 3400 6100 3400
Wire Wire Line Wire Wire Line
8550 1700 8550 1150 6100 3400 6100 2850
Wire Wire Line Wire Wire Line
8450 1150 8850 1150 6000 2850 6400 2850
$Comp $Comp
L GNDA #PWR? L GNDA #PWR105
U 1 1 58D57376 U 1 1 58D57376
P 8050 1450 P 5650 3100
F 0 "#PWR?" H 8050 1200 50 0001 C CNN F 0 "#PWR105" H 5650 2850 50 0001 C CNN
F 1 "GNDA" H 8050 1300 50 0000 C CNN F 1 "GNDA" H 5650 2950 50 0000 C CNN
F 2 "" H 8050 1450 50 0001 C CNN F 2 "" H 5650 3100 50 0001 C CNN
F 3 "" H 8050 1450 50 0001 C CNN F 3 "" H 5650 3100 50 0001 C CNN
1 8050 1450 1 5650 3100
1 0 0 -1 1 0 0 -1
$EndComp $EndComp
Text GLabel 8850 1150 2 87 Input ~ 0 Text GLabel 6400 2850 2 87 Input ~ 0
Vref Vref
Connection ~ 8550 1150 Connection ~ 6100 2850
$Comp $Comp
L PWR_FLAG #FLG? L R R101
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 U 1 1 58D5759A
P 8900 1400 P 4800 3950
F 0 "R?" V 8980 1400 50 0000 C CNN F 0 "R101" V 4880 3950 50 0000 C CNN
F 1 "10k" V 8900 1400 50 0000 C CNN F 1 "10k" V 4800 3950 50 0000 C CNN
F 2 "" V 8830 1400 50 0001 C CNN F 2 "" V 4730 3950 50 0001 C CNN
F 3 "" H 8900 1400 50 0001 C CNN F 3 "" H 4800 3950 50 0001 C CNN
1 8900 1400 1 4800 3950
0 1 1 0 1 0 0 1
$EndComp $EndComp
$Comp $Comp
L R R? L R R102
U 1 1 58D57637 U 1 1 58D57637
P 9300 1400 P 4800 4350
F 0 "R?" V 9380 1400 50 0000 C CNN F 0 "R102" V 4880 4350 50 0000 C CNN
F 1 "10k" V 9300 1400 50 0000 C CNN F 1 "10k" V 4800 4350 50 0000 C CNN
F 2 "" V 9230 1400 50 0001 C CNN F 2 "" V 4730 4350 50 0001 C CNN
F 3 "" H 9300 1400 50 0001 C CNN F 3 "" H 4800 4350 50 0001 C CNN
1 9300 1400 1 4800 4350
0 1 1 0 1 0 0 1
$EndComp $EndComp
Wire Wire Line Wire Wire Line
8750 1150 8750 1400 4800 4100 4800 4200
Connection ~ 8750 1150
Wire Wire Line Wire Wire Line
9050 1400 9150 1400 4800 4150 5550 4150
Wire Wire Line Connection ~ 4800 4150
9100 1400 9100 2000
Connection ~ 9100 1400
$Comp $Comp
L GNDA #PWR? L GNDA #PWR107
U 1 1 58D577C3 U 1 1 58D577C3
P 9450 1400 P 4800 4500
F 0 "#PWR?" H 9450 1150 50 0001 C CNN F 0 "#PWR107" H 4800 4250 50 0001 C CNN
F 1 "GNDA" H 9450 1250 50 0000 C CNN F 1 "GNDA" H 4800 4350 50 0000 C CNN
F 2 "" H 9450 1400 50 0001 C CNN F 2 "" H 4800 4500 50 0001 C CNN
F 3 "" H 9450 1400 50 0001 C CNN F 3 "" H 4800 4500 50 0001 C CNN
1 9450 1400 1 4800 4500
0 -1 -1 0 -1 0 0 -1
$EndComp $EndComp
$Comp $Comp
L GNDA #PWR? L GNDA #PWR108
U 1 1 58D577F5 U 1 1 58D577F5
P 9350 2400 P 5800 4500
F 0 "#PWR?" H 9350 2150 50 0001 C CNN F 0 "#PWR108" H 5800 4250 50 0001 C CNN
F 1 "GNDA" H 9350 2250 50 0000 C CNN F 1 "GNDA" H 5800 4350 50 0000 C CNN
F 2 "" H 9350 2400 50 0001 C CNN F 2 "" H 5800 4500 50 0001 C CNN
F 3 "" H 9350 2400 50 0001 C CNN F 3 "" H 5800 4500 50 0001 C CNN
1 9350 2400 1 5800 4500
1 0 0 -1 1 0 0 -1
$EndComp $EndComp
Wire Wire Line Wire Wire Line
9100 2000 9150 2000 5550 4350 5550 4800
Wire Wire Line Wire Wire Line
9150 2200 9150 2700 6650 4250 6150 4250
Wire Wire Line Text GLabel 6650 4250 2 87 Input ~ 0
9150 2700 9950 2700
Wire Wire Line
9950 2700 9950 2100
Wire Wire Line
9950 2100 9750 2100
Text GLabel 9950 2100 2 87 Input ~ 0
Vref/2 Vref/2
$Comp $Comp
L LP2985LV U? L VBATT #PWR101
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 U 1 1 58D58272
P 8050 850 P 5650 2600
F 0 "#PWR?" H 8050 700 50 0001 C CNN F 0 "#PWR101" H 5650 2450 50 0001 C CNN
F 1 "VBATT" H 8050 1000 50 0000 C CNN F 1 "VBATT" H 5650 2750 50 0000 C CNN
F 2 "" H 8050 850 50 0000 C CNN F 2 "" H 5650 2600 50 0000 C CNN
F 3 "" H 8050 850 50 0000 C CNN F 3 "" H 5650 2600 50 0000 C CNN
1 8050 850 1 5650 2600
1 0 0 -1
$EndComp
Wire Wire Line
5150 2750 5150 3750
Connection ~ 5150 2750
$Comp
L AD8622 U101
U 1 1 58D5411B
P 5700 2850
F 0 "U101" H 5900 3000 50 0000 L CNN
F 1 "AD8622" H 5750 2700 50 0000 L CNN
F 2 "" H 5700 2850 50 0001 C CNN
F 3 "" H 5700 2850 50 0001 C CNN
1 5700 2850
1 0 0 -1
$EndComp
Text Notes 5900 2550 0 60 ~ 0
Excitation Supply
Text Notes 5900 2600 0 39 ~ 0
Noise not critical; due to INAMP CMRR
$Comp
L AD8538 U103
U 1 1 58D54621
P 5850 4250
F 0 "U103" H 6050 4400 50 0000 L CNN
F 1 "AD8538" H 5900 4100 50 0000 L CNN
F 2 "" H 5850 4250 50 0001 C CNN
F 3 "" H 5850 4250 50 0001 C CNN
1 5850 4250
1 0 0 -1
$EndComp
Wire Wire Line
4800 3750 6400 3750
Wire Wire Line
5800 3750 5800 4000
Wire Wire Line
4800 3800 4800 3750
Connection ~ 5150 3750
$Comp
L CP C102
U 1 1 58D54979
P 6400 4000
F 0 "C102" H 6425 4100 50 0000 L CNN
F 1 "1µF" H 6425 3900 50 0000 L CNN
F 2 "" H 6438 3850 50 0001 C CNN
F 3 "" H 6400 4000 50 0001 C CNN
1 6400 4000
1 0 0 -1 1 0 0 -1
$EndComp $EndComp
$Comp $Comp
L VBATT #PWR? L CP C103
U 1 1 58D58313 U 1 1 58D54A48
P 9350 1800 P 6400 4500
F 0 "#PWR?" H 9350 1650 50 0001 C CNN F 0 "C103" H 6425 4600 50 0000 L CNN
F 1 "VBATT" H 9350 1950 50 0000 C CNN F 1 "1µF" H 6425 4400 50 0000 L CNN
F 2 "" H 9350 1800 50 0000 C CNN F 2 "" H 6438 4350 50 0001 C CNN
F 3 "" H 9350 1800 50 0000 C CNN F 3 "" H 6400 4500 50 0001 C CNN
1 9350 1800 1 6400 4500
1 0 0 -1 1 0 0 -1
$EndComp $EndComp
Wire Wire Line
6400 3750 6400 3850
Connection ~ 5800 3750
Wire Wire Line
6400 4150 6400 4350
Connection ~ 6400 4250
Wire Wire Line
6400 4650 6400 4800
Wire Wire Line
6400 4800 5550 4800
Text Notes 5950 3650 0 60 ~ 0
Virtual Ground Supply
Text Notes 5950 3700 0 39 ~ 0
Noise Transmitted directly to ADC
$EndSCHEMATC $EndSCHEMATC

1286
channel0.sch
View File

File diff suppressed because it is too large Load Diff

BIN
docs/AD8622_8624.pdf Normal file
View File

Binary file not shown.

BIN
docs/USB-1208FS.pdf Normal file
View File

Binary file not shown.