DC1633B - Schematic

V1/+5V
-
JP1
+5V
14V MAX
1
2
3
V1 Test Point
JUMPER VIN1 FOR EXTERNAL POWER,
JUMPER +5V FOR INTERNAL POWER
C1
10nF
R1
60.4k
ADC_CH0
DIVIDE BY 7
R7
10.0k
1. RESISTORS R1-R12 ARE 0.1% +/-25ppm, ALL OTHER RESISTORS
ARE 1% 0603.
2. ALL CAPACITORS ARE 16V 0603.
3. INTERNAL POWER FOR ADC/DAC/LEDs IS 5.0V
C29
100nF
GND
+3V3
GND
+3.3V OUT
Test Point
MOVE JUMPER TO "EXT" WHEN
APPLYING EXTERNAL VOLTAGE
ADC_CH2
DIVIDE BY 3
C3
10nF
R9
10.0k
8 ASEL
+3V3
R3
20.0k
C31
100nF
1
2
3
4
(OPT.)
GND
JP7
GND
GND
JP4
V4
5
GND
1
2
3
BLUE
Q2
2N7002DWA
5
R15
402k
(OPT.)
GND
C8
10nF
GND
SW1
GND
R17
200k
4
GND
1
2
3
6V MAX
R29
3k
R57
10k
R16
402k
C5
10nF
R11
10.0k
C9
10nF
GND
GND
JP6
SW2
GND
R18
200k
ADC_CH7
C13
10nF
Q3
2N7002DWA
ADC_CH10
GPIO3
14V MAX
BLUE
5
RED
2
4
ADC_CH4
DIVIDE BY 3
R30
1k
LED3
6V MAX
R5
20.0k
14V MAX
R20
604k
+5V
GPI2
DAC_CH5
GPIO2
GND
GND
C10
10nF
V5
MOVE JUMPER TO "EXT" WHEN
APPLYING EXTERNAL VOLTAGE
C12
10nF
R23
100k
2
ADC_CH9
GND
JP5
RED
1
ADC_CH3
DIVIDE BY 3
R28
1k
LED2
6V MAX
R10
10.0k
6 4
R27
3k
R56
10k
GPI1
C4
10nF
ADC_CH6
R22
100k
+5V
*** Slave Address ***
0x1C if ASEL=low (default)
0x1D if ASEL=float
0x1E if ASEL=high
C32
100nF
14V MAX
R19
604k
GND
GND
DAC_CH4
R4
20.0k
2
GND 6
6V MAX
MOVE JUMPER TO "EXT" WHEN
APPLYING EXTERNAL VOLTAGE
RED
1
GPIO1 10
GPIO2 9
GPIO3 7
GPIO1
3
1
2
3
DAC_CH3
BLUE
Q1
2N7002DWA
6 4
14 GPI1
13 GPI2
6V MAX
LED1
GND
SDA 11
SCL 12
R26
1k
1
V3
R14
10k
SCL
3
JP3
R13
10k
VDD33 5
R25
3k
R55
10k
6 4
GND
V1
V2
V3
V4
V5
V6
R62
100k
C11
10nF
1
4
3
2
1
16
15
LED4
GREEN
4
R8
10.0k
U1
LTC2933
SDA
I2C_SCL
+5V
1
C2
10nF
(OPT.)
GND
ADC_CH11
3 2
ADC_CH1
DIVIDE BY 3
R61
200k
R60
1.5k
1
MOVE JUMPER TO "EXT" WHEN
APPLYING EXTERNAL VOLTAGE
C7
100nF
C30
100nF
2
R2
20.0k
I2C_SDA
3
DAC_CH2
3 2
1
2
3
6V MAX
1
V2
3 2
JP2
GND
R21
604k
ADC_CH8
R24
100k
C14
10nF
GND
GND
V6
1
2
3
6V MAX
DAC_CH6
CUSTOMER NOTICE
R6
20.0k
MOVE JUMPER TO "EXT" WHEN
APPLYING EXTERNAL VOLTAGE
ADC_CH5
DIVIDE BY 3
C6
10nF
PCB DES.
APP ENG.
LTC CONFIDENTIAL
FOR CUSTOMER
USE ONLY
M.P.
www.linear.com
M.P.
LTC2933 PROGRAMMABLE HEX VOLTAGE
SUPERVISOR WITH EEPROM
R12
10.0k
B
GND
SCALE = NONE
LTC2933
Demo Circuit 1633B
1
MIKE P.
-
ADC Section
*** Slave Address 0x14 (default) ***
CA2=low, CA1=low, CA0=low
GND
COM
REF+
REF-
29
30
F0
35
25
24
27
26
SDA
SCL
CA2
CA1
CA0
3
2
38
37
36
NC
5
C15
100nF
+5V
GND
VREF
U3
LTC6078
C16
100nF
GND
V+
3
2
+INA
*** Slave Address 0x22 (default) ***
CA2=low, CA1=high, CA0=low
C28
100nF
8
VCC
ADCINP
MUXOUTP
MUXOUTN
ADCINN
GND
CH0
CH1
CH2
CH3
CH4
CH5
CH6
CH7
CH8
CH9
CH10
CH11
CH12
CH13
CH14
CH15
OUTA
1
ZERO OHM, 4X
R39
U4
LTC2637CMS
1k
-INA
6
5
+5V
GND
R58
-INB
OUTB
7
C19
10nF
R59
GND
1k
+INB
V-
+5V
R31
OPT
R32
OPT
R33
OPT
R34
0
R35
0
R36
0
C17
100nF
C27
10nF
GND
GND
1 VCC
11 REF
VREF
C18
100nF
9 SDA
8 SCL
6 CA2
10 CA1
7 CA0
GND
GND
DAC_CH2
DAC_A
DAC_B
DAC_C
DAC_D
2
3
4
5
DAC_E
DAC_F
DAC_G
DAC_H
12
13
14
15
DAC_CH3
DAC_CH4
DAC_CH5
DAC_CH6
16 GND
GND
1
4
6
31
32
33
34
39
7
+5V
28
4
U2
LTC2499
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
ADC_CH0
ADC_CH1
ADC_CH2
ADC_CH3
ADC_CH4
ADC_CH5
ADC_CH6
ADC_CH7
ADC_CH8
ADC_CH9
ADC_CH10
ADC_CH11
ADC_CH12
ADC_CH13
DAC Section
+5V
GND
R49
OPT
R50
0
R51
OPT
R52
0
R53
OPT
R54
0
R40
ZERO OHM, 4X
GND
4.096V Ref
DO NOT INSTALL:
R31, R32, R33
U5
LT6654
1 GND VOUT 6
R38
0 ohm
DO NOT INSTALL:
R49, R51, R53
GND
VREF
2 GND DNC 5
3 DNC
R37
0 ohm
I2C_SDA
C21
1uF
+5V
VIN 4
I2C_SCL
GND
GND
C20
1uF
5V LDO to power board
when +12V power present
Diode-OR
U8
LTC4415IMSE
2 GND
1210
3 SHDN BYP 4
C34
10nF
0805
+5V (100mA)
1
SDA
2
GND
3
SCL
4
+3.3V(100mA) 5
ALERT
6
GPO_1
7
OUTEN
8
GPO_2
9
GND
10
AUXSCL
11
AUXSDA
12
GND
GND
R41
10k
R42
10k
GND
GND
1k
R46
16
15
14
13
12
11
10
9
+5V
C24
10uF/16V
R48
3.01k
0805
GND
LED5
GREEN
GND
1. ALL RESISTORS ARE 1% 0603.
2. ALL CAPACITORS ARE 16V 0603.
3. INTERNAL POWER FOR ADC/DAC/LEDs IS 5.0V
GND
C25
1uF
WP 5
2 GND
3 SDA
OUT1
OUT1
STAT1
WARN1
WARN2
STAT2
OUT2
OUT2
GND
U7
24AA02
1 SCL
CONN_DC1613
249
9.31k
I2C_SDA
I2C_SCL
GND
IN1
IN1
EN1
CLIM1
CLIM2
EN2
IN2
IN2
R47
J1
R45
C33
GND
10k
GND
R44
GND
C23
10uF/16V
1
2
3
4
5
6
7
8
2
C22
22uF/25V
49.9k
OUT 5
R43
1 IN
100nF
1
3
2
1
U6
LT1761-5
EXP GND
GND
+12V
R63
200k
GND
ADC_CH12
VCC 4
C26
100nF
GND
R65
200k
ADC_CH13
R66
100k
R64
100k
CUSTOMER NOTICE
PCB DES.
APP ENG.
LTC CONFIDENTIAL
FOR CUSTOMER
USE ONLY
M.P.
www.linear.com
M.P.
LTC2933 PROGRAMMABLE HEX VOLTAGE
SUPERVISOR WITH EEPROM
GND
GND
B
SCALE = NONE
LTC2933
Demo Circuit 1633B
1
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