DC1012A - Schematic

1
REF-
CH13
22
CH14
23
CH15
7
COM
3
2
1
37
A2
38
VCC
REF+
GND
39
30
REF-
GND
34
1
1
2
C13
0.01uF
TP33
R8-R10 = 4.99K 1%
1
3
JP4
A0
3
JP5
A1
3
ADDRESS
SELECTION
C11
0.1uF
U3
24LC025
8
VCC
A0
1
7
WP
A1
2
6
SCL
A2
3
5
SDA
VSS
4
TP28
SMT Pad
9
EESDA
11
EESCL
12
EEGND
14
NC
TP29
C
SMT Pad
JP6
A2
3
GND
TP23
GND
TP26
GND
TP27
4
C29
1uF
A1
1
1
JP3
REF-
36
R12
10K
Ext.
2
3
GND
6 1
JP2
COM
Ext.
VOUT
JP1
REF+
GND
VIN
GND
2
2
U4
LT1236ACS8-5
5V
V+
C12
4.7uF
6.3V
A0
29
TP24
FO
35
MISO
EEVCC
GND
21
FO
FO
GND
CH12
5
10
B
3
20
SDA/MOSI
GND
CH11
SDA
8
19
SCK
7
13
CH10
CS
3
R9
18
5V
6
4
R10
CH9
TP32
V+
2
2
R8
17
TP31
1
SCL
2
CH8
SDA
0
16
SCL
TP30
1
C10
0.01uF
CH6
CH7
24
2
C9
4.7uF
6.3V
MUXOUTP
15
GND
TP22
CH5
14
MUXOUTP
0
REF+
R2
0
J2
HD2X7
V+
TP13
1
TP21
25
Pwr GND
TP25
ADCINN
0
COM
ADCINP
VCC
TP20
C8
10uF
6.3V
TP9
GND
TP19
TP7
33
CH15
C7
0.01uF
ADCINP
GND
TP18
27
26
GND
TP17
CH14
CH4
A
ADCINN
32
TP16
CH13
12
MUXOUTN
31
TP15
CH12
8
MUXOUTN
exposed pad, solder side
TP14
CH11
CH3
13
TP12
CH10
11
GND
CH9
CH2
6
TP11
CH1
GND
CH8
7
VCC
R1
0
GND
TP10
9
10
1
CH7
CH0
5
TP8
8
4
TP6
CH6
C15
0.1uF
VCC
TP5
CH5
6
C3
0.01uF
U1
(See Table)
TP4
CH4
C
C2
4.7uF
6.3V
TP3
CH3
5
VCC
TP2
CH2
B
4
TP1
CH1
Ext.
A
3
28
CH0
2
Table
ASSEMBLY
D
U1
Bits
DC1012A-A
LTC2499CUHF
24
DC1012A-B
LTC2497CUHF
16
DC1012A-C
LTC2495CUHF
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
Supplied For Use With Linear Technology Parts.
16/PGA
NOTES:
1
2
3
4
5
6
D
LINEAR TECHNOLOGY CORPORATION
1630 McCARTHY BLVD.
MILPITAS, CA. 95035-7487
VOICE (408) 432-1900
Title
Size
FAX (408) 434-0507
24-/16-Bit Easy Drive 8-/16-Channel
Delta Sigma ADC with I2C Interface
Document Number
Date:Thursday, January 04, 2007
7
Rev
Demo Circuit 1012A-A/B/C
Sheet
1
of
8
1
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