15
dc2026cfe
DEMO MANUAL DC2026C
SCHEMATIC DIAGRAM
5
5
4
4
3
3
2
2
1
1
D
D
C
C
B
B
A
A
LTM2884
ANALOG IN
NORM
ICSP
NOTE: ALL RESISTORS AND CAPACITORS ARE
SIZE 0603 UNLESS OTHERWISE SPECIFIED.
M.HAWKINS
MARK THOREN
OPT
FROM U1
DIGITAL(PWM~)
POWER
SCK
FROM J2, PAGE 2
TX
RX
ON
IO
PAGE 2
MUX
RESET
TRACE ON BOTTOM SIDE
MUX
LINEAR TECHNOLOGY ISOLATED
ARDUINO-COMPATIBLE DEMONSTRATION BOARD
LINDUINO ONE:
05/29/2015
-
PRODUCTION RELEASE DC2026B: M.THOREN 4/03/2014
01
SKU UPDATE TO DC2026C: ADDED R52-R57
A0
A1
A2
A3
7
~6 ~5
4
~3
2
AREF
~11
~9
RX_0
RESET
TX_1
SCL
SDA
AREF
GND
13
12
~11
~10
~9
8
7
~6
~5
4
~3
2
TX_1
RX_0
SCL
SDA
A3
A2
A1
A0
GND
RESET
13
13
SCK/SCL
MOSI/SDA
GPIO
CS
SCL SDA
~10
12
8
+5V
+5V
+5V
+5V
VCCIO
7V
+5V
+5V
3V3
+5V
+5V
+5V
VCCIO
VCCIO
+5V
VCCIO
+5V
+5V
VCCIO
VCCIO
+5V
VCCIO
VCCIO
VCCIO
DISO-
DISO+
VIN
SIZE
DATE:
IC NO.
REV.
SHEET
OF
TITLE:
APPROVALS
PCB DES.
APP ENG.
TECHNOLOGY
Fax: (408)434-0507
Milpitas, CA 95035 Phone: (408)432-1900
1630 McCarthy Blvd.
LTC Confidential-For Customer Use Only
CUSTOMER NOTICE
LINEAR TECHNOLOGY HAS MADE A BEST EFFORT TO DESIGN A CIRCUIT THAT MEETS CUSTOMER-SUPPLIED SPECIFICATIONS; HOWEVER, IT REMAINS THE CUSTOMER'S RESPONSIBILITY TO VERIFY PROPER AND RELIABLE OPERATION IN THE ACTUAL APPLICATION. COMPONENT SUBSTITUTION AND PRINTED CIRCUIT BOARD LAYOUT MAY SIGNIFICANTLY AFFECT CIRCUIT PERFORMANCE OR RELIABILITY. CONTACT LINEAR TECHNOLOGY APPLICATIONS ENGINEERING FOR ASSISTANCE.
THIS CIRCUIT IS PROPRIETARY TO LINEAR TECHNOLOGY AND
SCHEMATIC
SUPPLIED FOR USE WITH LINEAR TECHNOLOGY PARTS.
SCALE = NONE
www.linear.com
1
DEMO CIRCUIT 2026C
1
2
N/A
SIZE
DATE:
IC NO.
REV.
SHEET
OF
TITLE:
APPROVALS
PCB DES.
APP ENG.
TECHNOLOGY
Fax: (408)434-0507
Milpitas, CA 95035 Phone: (408)432-1900
1630 McCarthy Blvd.
LTC Confidential-For Customer Use Only
CUSTOMER NOTICE
LINEAR TECHNOLOGY HAS MADE A BEST EFFORT TO DESIGN A CIRCUIT THAT MEETS CUSTOMER-SUPPLIED SPECIFICATIONS; HOWEVER, IT REMAINS THE CUSTOMER'S RESPONSIBILITY TO VERIFY PROPER AND RELIABLE OPERATION IN THE ACTUAL APPLICATION. COMPONENT SUBSTITUTION AND PRINTED CIRCUIT BOARD LAYOUT MAY SIGNIFICANTLY AFFECT CIRCUIT PERFORMANCE OR RELIABILITY. CONTACT LINEAR TECHNOLOGY APPLICATIONS ENGINEERING FOR ASSISTANCE.
THIS CIRCUIT IS PROPRIETARY TO LINEAR TECHNOLOGY AND
SCHEMATIC
SUPPLIED FOR USE WITH LINEAR TECHNOLOGY PARTS.
SCALE = NONE
www.linear.com
1
DEMO CIRCUIT 2026C
1
2
N/A
SIZE
DATE:
IC NO.
REV.
SHEET
OF
TITLE:
APPROVALS
PCB DES.
APP ENG.
TECHNOLOGY
Fax: (408)434-0507
Milpitas, CA 95035 Phone: (408)432-1900
1630 McCarthy Blvd.
LTC Confidential-For Customer Use Only
CUSTOMER NOTICE
LINEAR TECHNOLOGY HAS MADE A BEST EFFORT TO DESIGN A CIRCUIT THAT MEETS CUSTOMER-SUPPLIED SPECIFICATIONS; HOWEVER, IT REMAINS THE CUSTOMER'S RESPONSIBILITY TO VERIFY PROPER AND RELIABLE OPERATION IN THE ACTUAL APPLICATION. COMPONENT SUBSTITUTION AND PRINTED CIRCUIT BOARD LAYOUT MAY SIGNIFICANTLY AFFECT CIRCUIT PERFORMANCE OR RELIABILITY. CONTACT LINEAR TECHNOLOGY APPLICATIONS ENGINEERING FOR ASSISTANCE.
THIS CIRCUIT IS PROPRIETARY TO LINEAR TECHNOLOGY AND
SCHEMATIC
SUPPLIED FOR USE WITH LINEAR TECHNOLOGY PARTS.
SCALE = NONE
www.linear.com
1
DEMO CIRCUIT 2026C
1
2
N/A
REVISION HISTORY
DESCRIPTION
REV
REVISION HISTORY
DESCRIPTION
REV
REVISION HISTORY
DESCRIPTION
REV
R31
100
U7
ATMEGA328P-AU
PC6 (RESET)
29
PB6(XTAL1/TOSC1)
7
AREF
20
GND
5
GND
3
AVCC
18
GND
21
PB7(XTAL2/TOSC2)
8
VCC
4
VCC
6
ADC7
22
ADC6
19
PDO(RXD)
30
PD1(TXD)
31
PD2(INT0)
32
PD3(INT1)
1
PD4(XCK/T0)
2
PD5(T1)
9
PD6(AIN0)
10
PD7(AIN1)
11
PC0(ADC0)
23
PC1(ADC1)
24
PC2(ADC2)
25
PC3(ADC3)
26
PC4(ADC4/SDA)
27
PC5(ADC5/SCL)
28
PB0(ICP1)
12
PB1(OC1A)
13
PB2(SS/OC1B)
14
PB3(MOSI/OC2A)
15
PB4(MISO)
16
PB5(SCK)
17
R42 1K
C21 0.1uF
16V
R55
49.9
R41 10K
U12-1
NC7WZ125K8X
6
8
4
2
1
D5
YELLOW
2
1
C33 0.1uF
R25 49.9K
R10 4.99K
R6 4.99K
C20
0.1uF
16V
R9
4.99K
S1
R45 10K
C28
0.1uF
16V
D4
YELLOW
2
1
R44
1K
R16
1 MEG
D1
YELLOW
2
1
U13-2
3
8
4
5
7
R18 10K
C23 1.0uF
16V
R35
1K
C34
0.1uF
R37 OPT
R12 1K
JP2
1
3
2
J1
V+
1
GND
3
MISO
5
MOSI/SDA
7
EESDA
9
EESCL
11
GND
13
5V
2
SCK/SCL
4
CS
6
GND
8
EEVCC
10
EEGND
12
GPIO
14
C19 0.1uF
16V
C32 0.1uF
R34 OPT
Y1
16 Mhz
1
3
2
R17
1K
R8 49.9K
+
-
U11
LT1719CS6
3
1
5
4
2
6
U9
FT232RL
TXD
1
RXD
5
RTS#
3
CTS#
11
DTR#
2
DSR#
9
DCD#
10
RI#
6
CBUS0
23
CBUS1
22
CBUS2
13
CBUS3
14
CBUS4
12
TEST
26
GND
21
GND
18
GND
7
AGND
25
VCCIO
4
VCC
20
USBDM
16
USBDP
15
NC
8
RESET#
19
NC
24
OSCI
27
OSCO
28
3V3OUT
17
R36 1K
R33
OPT
R23
1K
R39
0 OHM
U13-1
NC7WZ125K8X
6
8
4
2
1
R21 1K
J7
1
2
3
4
5
6
J6
1
2
3
4
5
6
7
8
9
10
R38
OPT
J4
1
3
5
6
4
2
D2
GREEN
2
1
R46
1K
U12-2
3
8
4
5
7
R22 1K
R24
1K
TP4
1
R13 1K
C8
0.1uF
R56
49.9
U4
LTC4315CMS
EN
1
GND
6
READY
7
DISCEN
2
SCLOUT
3
ACC
5
SCLIN
4
FAULT
8
SDAIN
9
SDAOUT
10
VCC2
11
VCC
12
R15 1K
TP3
1
R20 1K
R7 4.99K
R53 49.9K
R54 49.9K
C25 0.1uF
J8
1
2
3
4
5
6
7
8
C18 1.0uF
16V
R52
49.9K
J3
1
2
3
4
5
6
7
8
R57 24.9
R40 10K
Q1 VN10LF
1
2
3
R43 OPT
C22
0.1uF
16V
