- improved DAC_VREF

git-svn-id: http://moon:8086/svn/projects/HendiControl@18 fda53097-d464-4ada-af97-ba876c37ca34
2019-02-19 21:30:58 +00:00
parent e7d9218ecf
commit d9b69949d1
1 changed files with 96 additions and 6 deletions
@@ -1418,8 +1418,8 @@ Wire Wire Line
 	6800 2350 6800 2300
 Wire Wire Line
 	6500 2300 6800 2300
-Text Label 6550 2300 0    50   ~ 0
-AREF
+Text Label 6500 2300 0    50   ~ 0
+DAC_AREF
 $Comp
 L power:+5VD #PWR?
 U 1 1 5CAA1DBA
@@ -1495,10 +1495,6 @@ Wire Wire Line
 	7650 4600 8150 4600
 Wire Wire Line
 	6300 2750 6200 2750
-Wire Wire Line
-	6200 2750 6200 1650
-Wire Wire Line
-	6200 1650 6950 1650
 Wire Wire Line
 	7000 4600 7000 4500
 Wire Wire Line
@@ -1632,4 +1628,98 @@ Wire Wire Line
 	5350 1250 5350 1550
 Wire Wire Line
 	5700 1250 5950 1250
+$Comp
+L Device:C C?
+U 1 1 5CEA028D
+P 5950 2250
+F 0 "C?" H 5750 2350 50  0000 L CNN
+F 1 "100n" H 5700 2100 50  0000 L CNN
+F 2 "" H 5988 2100 50  0001 C CNN
+F 3 "~" H 5950 2250 50  0001 C CNN
+	1    5950 2250
+	1    0    0    -1  
+$EndComp
+$Comp
+L power:GNDD #PWR?
+U 1 1 5CEA03FA
+P 5950 2400
+F 0 "#PWR?" H 5950 2150 50  0001 C CNN
+F 1 "GNDD" H 5954 2245 50  0000 C CNN
+F 2 "" H 5950 2400 50  0001 C CNN
+F 3 "" H 5950 2400 50  0001 C CNN
+	1    5950 2400
+	1    0    0    -1  
+$EndComp
+$Comp
+L Device:R R?
+U 1 1 5CEABD73
+P 6200 2250
+F 0 "R?" H 6350 2200 50  0000 C CNN
+F 1 "1k" H 6400 2300 50  0000 C CNN
+F 2 "" V 6130 2250 50  0001 C CNN
+F 3 "~" H 6200 2250 50  0001 C CNN
+	1    6200 2250
+	1    0    0    -1  
+$EndComp
+Wire Wire Line
+	6200 2750 6200 2400
+Wire Wire Line
+	6200 2100 6200 2000
+Wire Wire Line
+	6200 1650 6950 1650
+Wire Wire Line
+	5950 2100 5950 2000
+Wire Wire Line
+	5950 2000 6200 2000
+Connection ~ 6200 2000
+Wire Wire Line
+	6200 2000 6200 1650
+$Comp
+L Device:R R?
+U 1 1 5CECDFB8
+P 9750 3000
+F 0 "R?" H 9900 2950 50  0000 C CNN
+F 1 "0R" H 9900 3050 50  0000 C CNN
+F 2 "" V 9680 3000 50  0001 C CNN
+F 3 "~" H 9750 3000 50  0001 C CNN
+	1    9750 3000
+	-1   0    0    1   
+$EndComp
+Wire Wire Line
+	9750 2850 9750 2700
+Text Label 9350 2700 0    50   ~ 0
+DAC_VREF
+Wire Wire Line
+	9750 3150 9750 3300
+Wire Wire Line
+	9350 2700 9750 2700
+$Comp
+L Device:C C?
+U 1 1 5CEF111C
+P 10000 2700
+F 0 "C?" V 9850 2600 50  0000 L CNN
+F 1 "100n" V 10150 2600 50  0000 L CNN
+F 2 "" H 10038 2550 50  0001 C CNN
+F 3 "~" H 10000 2700 50  0001 C CNN
+	1    10000 2700
+	0    1    1    0   
+$EndComp
+$Comp
+L power:GNDD #PWR?
+U 1 1 5CEF12DB
+P 10250 2750
+F 0 "#PWR?" H 10250 2500 50  0001 C CNN
+F 1 "GNDD" H 10254 2595 50  0000 C CNN
+F 2 "" H 10250 2750 50  0001 C CNN
+F 3 "" H 10250 2750 50  0001 C CNN
+	1    10250 2750
+	1    0    0    -1  
+$EndComp
+Wire Wire Line
+	10250 2700 10250 2750
+Wire Wire Line
+	10150 2700 10250 2700
+Wire Wire Line
+	9750 2700 9850 2700
+Connection ~ 9750 2700
 $EndSCHEMATC