User Guide
Table Of Contents
1LSb Octal DAC Evaluation Board User’s Guide
DS50003218A-page 40 2021
Microchip Technology Inc. and its subsidiaries
A.2 BOARD – SCHEMATICS
Power Supply
HVC
VDD
+5V
VDD
LAT0/HVC
1
DNP
J2
+3.3V
GND
10uF
16V
TANT-A
C1
1
2
3
J1
GND
S_LAT0/HVC
1
DNP
J3
GND
VDD=5V/3.3V
VSS=GND
Compatible with I2C
GND
100K
5%
R9
MikroBUS Connector
100K
5%
R8
SCL
SDA
LAT1
GND
VDD
VDD
VDD
GND
0.1uF
25V
C4
S_LAT1
LAT1
0R
DNP
R12
0R
DNP
R13
LAT0/HVC
VDD
LAT0/HVC
S_LAT0/HVC
GND
0R
DNP
R14
0R
DNP
R15
I2C DAC O/P
SPI DAC O/P
0R
R5
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
HDR-2.54 Male 2x8
DNP
J6
0R
DNP
R4
0R
R6
0R
DNP
R7
S_VOUT0 VOUT1
S_VOUT2 VOUT3
A0 A1
S_VOUT4 VOUT5
CS
2.2K
5%
R2
2.2K
5%
R3
S_VOUT6 VOUT7
VREF0 VREF1
SCK
S_VOUT7
VOUT0 VOUT1
VOUT6
SCLSDO
S_VOUT5
VOUT2 VOUT3
VOUT4
SDASDI
S_VOUT3 VOUT2
VOUT4 VOUT5
+3.3V +5V
S_VOUT1 VOUT0
VSSVSS
GNDGND
GND
VSS
VOUT6
VOUT7
VREF Circuit
Compatible with SPI
GND
100K
5%
R11
VDD
1 2
3 4
5 6
7 8
HDR-2.54 Male 2x4
J4
S_VREF0
S_VREF1
MCP1501T-20E/CHY
OUT
1
GND
2
GND
3
SHDN
4
GND
5
VDD
6
U3
GND
S_LAT0/HVCS_LAT1
100K
5%
R10
VREF1
VDD
VDD SDI
VREF0
VDD
SCKCS
0.1uF
25V
C5
SDOS_VREF0
S_VOUT0 S_VREF1
S_VOUT1S_VOUT2
S_VOUT3S_VOUT4
S_VOUT5S_VOUT6
VSS
51R
0603
5%
R1
S_VOUT7
GND
GND
2.2uF
16V
C3
SVR0
SVR1
VR1
VR0
TP1
TP2
Cannot
open file
C:\ALTIU
M_WOR
PCBA LABEL 6X6mm
LABEL1
VREF0
2
VOUT0
3
A0
1
VDD
20
VOUT2
4
VOUT4
5
VOUT6
6
VSS
7
NC
8
VOUT5
11
LAT1
19
A1
15
SDA
17
SCL
16
LAT0/HVC
18
EP
21
NC
9
VOUT7
10
VOUT3
12
VOUT1
13
VREF1
14
MCP47CMB28
U1
VREF0
4
VOUT0
5
VOUT2
6
VOUT4
7
VOUT6
8
VSS
9
NC
10
VREF1
16
VOUT1
15
VOUT3
14
VOUT5
13
VOUT7
12
NC
11
SDO
17
LAT1
1
VDD
2
CS
3
SDI
19
SCK
18
LAT0/HVC
20
MCP48CMB28
U2
VDD
JP
12345678
J7
AN
RST
CS
SCK
SDO
SDI
+3.3V
GND GND
+5V
SDA
SCL
RX
TX
12345678
J8
INT
PWM