Microchip Technology MCP3911, Руководство пользователя

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MCP3911 ADC Evaluation Board for 16-Bit MCUs User’s Guide
DS52033A-page 18

2012 Microchip Technology Inc.
A.2 SCHEMATIC - ADC AND POWER
GND
GNDA
3911_CS
3911_SDO 3911_SCK 3911_SDI
GND
3911_RESET
XTAL
3911_CLK
IN
XTAL
GND
GNDA
GNDA
GNDA GNDA
GNDA GNDA
GNDA
3911_DR
GNDA GNDA
3911_DR
RF3/U1TX RF2/U1RX
3911_CS
3911_SCK 3911_SDO
3911_RESET
GNDA GNDA
GNDA
GNDA
GNDA
GNDA
3911_DR
3911_SDI
GND
GND
CH0-
CH0+
ADC
CLOCK
SELECT
CH1+
CH1-
MCP3901
DR
14
DGND
11
AGND
8
CH0-
5
DVDD
2
OSC1/CLK
I
15
SCK
18
MDAT1
12
MDAT0
13
CH1-
6
CH1+
7
R
F
IN/OUT+
9
RFIN-
10
RESET
1
AVDD
3
CH0+
4
CS
17
OSC2
16
SDO
19
SDI
20
DR
DG
N
D
AGN
D
C
H0
-
DVDD
OSC1
/C
L
KI
S
C
K
MD
A
T1
MDAT
0
CH1
-
C
H1+
RFI
N/
OUT
+
RFI
N-
RESE
T
AVD
D
C
H0+
CS
OSC
2
S
D
O
SDI
U5
10MHz
X1
0.1uF 0603
C7
0.1uF 0603
C6
GND
1%
1M
0603
R20
5%
10
0603
R17
5%
10
0603
R7
0.1uF 0603 C3
5%
10
0603
R9
0.1uF 0603 C4
5%
10
0603
R6
5%
10
0603
R8
5%
10
0603
R10
5%
10
0603
R12
5%
100
0603
R5
5%
10
0603
R14
0603
DNP
R2
0603
DNP
R1
0.1uF 0603 C2
0.1uF 0603
C1
5%
1k
0603
R13
5%
1k
0603
R3
5%
1k
0603
R4
5%
1k
0603
R11
5%
1k
0603
R19
5%
1k
0603
R21
GNDA
5%
1k
0603
R22
5%
1k
0603
R15
0.1uF 0603 C9
0.1uF 0603
C8
HDR
M
2x3
VERT
1
2
3
4
5
6
J1
HDR
M
2x3
VERT
1
2
3
4
5
6
J4
GNDA
GNDA
GNDA
0.1uF 0603
C5
5%
10
0603
R16
5%
10
0603
R18
3911_MDAT0 3911_MDAT1
HDR
M
2x3
VERT
1
2
3
4
5
6
J3
ECCP3
3911_MDAT0 3911_MDAT1
GND
3.3D
3.3A
3.3D
HDR
M
1x2
VERT
1
2
3
4
J7
HDR
M
2x8
VERT
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
J8
1 2 3
Term
Block
Plug
3Pin
3.5mm
J2
1 2 3
Term
Block
Plug
3Pin
3.5mm
J5
GND
GND
GND
GND
GND
POWER
+5V
USB
GND
+9V
IN
+9V
IN
Power
Jack
2.5mm
2 3 1
J10
MRA4005
D1
9V
0.1uF 0603
C11
0.1uF 0603
C10
GND
0.1uF 0603 C14
3.3A
Ferrite
Bead
1806
L1
3.3D
GND
GND
0.1uF 0603 C12
MCP1754-3.3V
VOUT
3
VIN
1
GND
2
VOUT
V
IN
GND V
U3
POWER
ADC
GND
GND
GND
LED
0603
Green
1 2
LD1
3.3D
Via_2.5x1.5
TP2
Via_2.5x1.5
TP1
0603
DNP
R24
0603
DNP
R23
GND
VIN
3
GND
1
VOUT
2
VIN
GND VOUT D
LM1117-5V
U4
+5V
EXT
GND
VOUT
3
VIN
1
GND
2
VOUT
VIN
GND V
MCP1825S-3.3V
U2
5V
GND
GND
Net
Tie
GND
GNDA
10uF TANT-B C15
10uF
TANT-B
C44
10uF
TANT-B
C13
10uF
TANT-B
C45
GND
1k
5% 0603
R25
1k
5%
0603
R26
1
2
3
4
HDR
M
2x2
VERT
J9
12
HDR
M
1x2
VERT
J19
5V
D
G
S
SI1307EDL Q1
5V_USB
USB_EN
1k 5% 0603
R63
0.1uF 0603 C46
10k
5%
0603
R62
5V_USB
0603
DNP
R2
0603
DNP
R1
0603
DNP
R24
0603
DNP
R
23