blob: 688d38e8ee20158197abaef63747a094a345a80f (
plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
219
220
221
222
223
224
225
226
227
228
229
230
231
232
233
234
235
236
237
238
239
240
241
242
243
244
245
246
247
248
249
250
251
252
253
254
255
256
257
258
259
260
261
262
263
264
265
266
267
268
269
270
271
272
273
274
275
276
277
278
279
280
281
282
283
284
285
|
EESchema Schematic File Version 5
LIBS:sensor-cache
EELAYER 30 0
EELAYER END
$Descr A4 11693 8268
encoding utf-8
Sheet 1 1
Title ""
Date ""
Rev ""
Comp ""
Comment1 ""
Comment2 ""
Comment3 ""
Comment4 ""
Comment5 ""
Comment6 ""
Comment7 ""
Comment8 ""
Comment9 ""
$EndDescr
$Comp
L Device:L_Core_Ferrite L2
U 1 1 5E264DFA
P 2000 2750
F 0 "L2" H 1950 2700 50 0000 R CNN
F 1 "47u" H 1950 2800 50 0000 R CNN
F 2 "Inductor_SMD:L_Taiyo-Yuden_NR-50xx_HandSoldering" H 2000 2750 50 0001 C CNN
F 3 "~" H 2000 2750 50 0001 C CNN
F 4 "BOU SRN5040-470M" H 2000 2750 50 0001 C CNN "Reichelt"
1 2000 2750
-1 0 0 1
$EndComp
Wire Wire Line
2000 2600 2000 2500
Text Notes 1900 2250 3 50 ~ 0
opposing polarity
Wire Wire Line
2000 2100 2000 2200
Wire Wire Line
2000 2900 2000 3000
$Comp
L Amplifier_Operational:MCP6002-xSN U1
U 1 1 5E28B721
P 3800 2200
F 0 "U1" H 3950 2350 50 0000 C CNN
F 1 "MCP6002-xSN" H 3800 2476 50 0001 C CNN
F 2 "Package_SO:SO-8_3.9x4.9mm_P1.27mm" H 3800 2200 50 0001 C CNN
F 3 "http://ww1.microchip.com/downloads/en/DeviceDoc/21733j.pdf" H 3800 2200 50 0001 C CNN
1 3800 2200
1 0 0 -1
$EndComp
$Comp
L Device:R_Small R6
U 1 1 5E28E7CD
P 3400 2800
F 0 "R6" H 3341 2754 50 0000 R CNN
F 1 "100" H 3341 2845 50 0000 R CNN
F 2 "Resistor_SMD:R_0603_1608Metric" H 3400 2800 50 0001 C CNN
F 3 "~" H 3400 2800 50 0001 C CNN
1 3400 2800
-1 0 0 1
$EndComp
$Comp
L Device:R_Small R5
U 1 1 5E28F3B5
P 3850 2600
F 0 "R5" V 4046 2600 50 0000 C CNN
F 1 "1k" V 3955 2600 50 0000 C CNN
F 2 "Resistor_SMD:R_0603_1608Metric" H 3850 2600 50 0001 C CNN
F 3 "~" H 3850 2600 50 0001 C CNN
1 3850 2600
0 1 -1 0
$EndComp
Wire Wire Line
3500 2300 3400 2300
Wire Wire Line
3400 2300 3400 2600
Wire Wire Line
3750 2600 3400 2600
Connection ~ 3400 2600
Wire Wire Line
3400 2600 3400 2700
Wire Wire Line
3400 3000 3400 2900
Wire Wire Line
3950 2600 4200 2600
Wire Wire Line
4200 2200 4100 2200
$Comp
L Amplifier_Operational:MCP6002-xSN U2
U 2 1 5E2A8E40
P 5300 2300
F 0 "U2" H 5300 1933 50 0000 C CNN
F 1 "MCP6002-xSN" H 5300 2024 50 0000 C CNN
F 2 "Package_SO:SO-8_3.9x4.9mm_P1.27mm" H 5300 2300 50 0001 C CNN
F 3 "http://ww1.microchip.com/downloads/en/DeviceDoc/21733j.pdf" H 5300 2300 50 0001 C CNN
2 5300 2300
1 0 0 1
$EndComp
$Comp
L Device:C_Small C1
U 1 1 5E2B41DA
P 4400 2200
F 0 "C1" V 4171 2200 50 0000 C CNN
F 1 "1u" V 4262 2200 50 0000 C CNN
F 2 "Capacitor_SMD:C_0603_1608Metric" H 4400 2200 50 0001 C CNN
F 3 "~" H 4400 2200 50 0001 C CNN
1 4400 2200
0 1 1 0
$EndComp
Wire Wire Line
4300 2200 4200 2200
Connection ~ 4200 2200
$Comp
L Device:R_Small R1
U 1 1 5E2B9B8F
P 5300 1800
F 0 "R1" V 5496 1800 50 0000 C CNN
F 1 "100k" V 5405 1800 50 0000 C CNN
F 2 "Resistor_SMD:R_0603_1608Metric" H 5300 1800 50 0001 C CNN
F 3 "~" H 5300 1800 50 0001 C CNN
1 5300 1800
0 1 -1 0
$EndComp
$Comp
L Device:R_Small R4
U 1 1 5E2C5C0C
P 4750 2200
F 0 "R4" V 4946 2200 50 0000 C CNN
F 1 "1k" V 4855 2200 50 0000 C CNN
F 2 "Resistor_SMD:R_0603_1608Metric" H 4750 2200 50 0001 C CNN
F 3 "~" H 4750 2200 50 0001 C CNN
1 4750 2200
0 -1 -1 0
$EndComp
Wire Wire Line
4850 2200 4900 2200
Wire Wire Line
4650 2200 4500 2200
Wire Wire Line
4900 2200 4900 1800
Wire Wire Line
4900 1800 5200 1800
Connection ~ 4900 2200
Wire Wire Line
4900 2200 5000 2200
Wire Wire Line
5400 1800 5700 1800
Wire Wire Line
5700 1800 5700 2300
Wire Wire Line
5600 2300 5700 2300
Wire Wire Line
5000 2400 4900 2400
Wire Wire Line
4900 2400 4900 3000
Wire Wire Line
4900 3000 3400 3000
Connection ~ 3400 3000
Text Label 3850 3000 0 50 ~ 0
VGND
$Comp
L Device:L_Core_Ferrite L1
U 1 1 5E264427
P 2000 2350
F 0 "L1" H 1956 2396 50 0000 R CNN
F 1 "47u" H 1956 2305 50 0000 R CNN
F 2 "Inductor_SMD:L_Taiyo-Yuden_NR-50xx_HandSoldering" H 2000 2350 50 0001 C CNN
F 3 "~" H 2000 2350 50 0001 C CNN
F 4 "BOU SRN5040-470M" H 2000 2350 50 0001 C CNN "Reichelt"
1 2000 2350
-1 0 0 -1
$EndComp
$Comp
L Device:R_Small R3
U 1 1 5E2F0F3C
P 2850 2100
F 0 "R3" V 3046 2100 50 0000 C CNN
F 1 "220k" V 2955 2100 50 0000 C CNN
F 2 "Resistor_SMD:R_0603_1608Metric" H 2850 2100 50 0001 C CNN
F 3 "~" H 2850 2100 50 0001 C CNN
1 2850 2100
0 1 -1 0
$EndComp
$Comp
L Device:R_Small R2
U 1 1 5E2F6F92
P 2400 2100
F 0 "R2" V 2596 2100 50 0000 C CNN
F 1 "220k" V 2505 2100 50 0000 C CNN
F 2 "Resistor_SMD:R_0603_1608Metric" H 2400 2100 50 0001 C CNN
F 3 "~" H 2400 2100 50 0001 C CNN
1 2400 2100
0 1 -1 0
$EndComp
$Comp
L Device:C_Small C4
U 1 1 5E2FB873
P 3100 2350
F 0 "C4" H 3192 2304 50 0000 L CNN
F 1 "470p" H 3192 2395 50 0000 L CNN
F 2 "Capacitor_SMD:C_0603_1608Metric" H 3100 2350 50 0001 C CNN
F 3 "~" H 3100 2350 50 0001 C CNN
1 3100 2350
-1 0 0 1
$EndComp
$Comp
L Device:C_Small C3
U 1 1 5E30B2B2
P 2600 2350
F 0 "C3" H 2509 2396 50 0000 R CNN
F 1 "1n" H 2509 2305 50 0000 R CNN
F 2 "Capacitor_SMD:C_0603_1608Metric" H 2600 2350 50 0001 C CNN
F 3 "~" H 2600 2350 50 0001 C CNN
1 2600 2350
1 0 0 -1
$EndComp
Wire Wire Line
2000 2100 2300 2100
Wire Wire Line
2950 2100 3100 2100
Wire Wire Line
3100 2250 3100 2100
Connection ~ 3100 2100
Wire Wire Line
3100 2100 3500 2100
Wire Wire Line
3100 2450 3100 3000
Connection ~ 3100 3000
Wire Wire Line
3100 3000 3400 3000
Wire Wire Line
2000 3000 3100 3000
Wire Wire Line
2500 2100 2600 2100
Wire Wire Line
2600 2100 2600 2250
Connection ~ 2600 2100
Wire Wire Line
2600 2100 2750 2100
Wire Wire Line
2600 2450 2600 2600
Wire Wire Line
2600 2600 3400 2600
$Comp
L Device:C_Small C2
U 1 1 5E332C54
P 4900 2300
F 0 "C2" H 4992 2304 50 0000 L CNN
F 1 "DNP" H 4992 2395 50 0000 L CNN
F 2 "Capacitor_SMD:C_0603_1608Metric" H 4900 2300 50 0001 C CNN
F 3 "~" H 4900 2300 50 0001 C CNN
1 4900 2300
-1 0 0 1
$EndComp
Connection ~ 4900 2400
Wire Wire Line
4900 3000 5950 3000
Connection ~ 4900 3000
Wire Wire Line
5950 2450 6200 2450
Wire Wire Line
5950 2450 5950 3000
Wire Wire Line
6200 2300 5700 2300
Connection ~ 5700 2300
Text Label 6200 2300 2 50 ~ 0
SIG_OUT
Text Label 6200 2450 2 50 ~ 0
REF
$Comp
L Amplifier_Operational:MCP6002-xSN U?
U 3 1 5E30AB72
P 3600 2200
F 0 "U?" H 3600 1833 50 0001 C CNN
F 1 "MCP6002-xSN" H 3150 2450 50 0000 C CNN
F 2 "Package_SO:SO-8_3.9x4.9mm_P1.27mm" H 3600 2200 50 0001 C CNN
F 3 "http://ww1.microchip.com/downloads/en/DeviceDoc/21733j.pdf" H 3600 2200 50 0001 C CNN
3 3600 2200
-1 0 0 -1
$EndComp
Wire Wire Line
4200 2200 4200 2600
$EndSCHEMATC
|
