5
5
4
4
3
3
2
2
1
1
D D
C C
B B
A A
/SW1 /SW2 /SW3
/SW1 /SW2 /SW3 /SW4
/SW4 VCOND
VREF VTEMP
AGND
A0
A1
VTEMP CLK
DATA
VCC GND CLK DATA A0 A1
C1 C2 C3 C4 C5 C6
VREF
VCOND
A2 A2
AGND +5V AGND
VCC
AGND +5V +5V
GND GND
GND VREF
+5V
AGND
VREF
AGND AGND
+5V
AGND AGND
AGND
+5V +5V
AGND AGND
+5V VCC
AGND GND
GND VCC
AGND +5V
AGND
+5V +5V AGND VCC GND
+5V AGND
VREF
VREF2
AGND VREF
GND
VREF2
VREF
AGND GND
Title
Size Document Number Rev
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Tuesday, May 14, 2013 Title
Size Document Number Rev
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Tuesday, May 14, 2013 Title
Size Document Number Rev
Date: Sheet of
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<Title>
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Tuesday, May 14, 2013 Title
Size Document Number Rev
Date: Sheet of
<Doc> <RevCode>
<Title>
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Tuesday, May 14, 2013 Title
Size Document Number Rev
Date: Sheet of
<Doc> <RevCode>
<Title>
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Tuesday, May 14, 2013 Title
Size Document Number Rev
Date: Sheet of
<Doc> <RevCode>
<Title>
D
1 1
Tuesday, May 14, 2013
MUX, AD prevod
Pt1000 Kanal 2 teplota 2.5V
438-604mV 0-50C budici signal
sinus 100mV p-p ss slozka Vref
sonda vodivosti
to ADC
R=1/gama rozsahy 10uS...100k 100uS...10k 1mS...1k 10mS...100ohm
A0 teplota/vodivost A1,A2 rozsahy vodivosti
Kanal 1 vodivost
1
H5 DIRA H5 DIRA
1 2
R2
1k R2
1k
1 2
R34200 R34200
1 2
R29
10k R29
10k
1 1 2 2 3 3 4 4 5 5 6 6 7 7 8 8 9 9 10 10 11 11 12 12 13 13 14 14 15 15 16 16 XC2
CON16 XC2
CON16 5
6 7 IC9B OPA2347UA IC9B OPA2347UA
12
R26 10k R26 10k V+ 14
V- 3 GND 15 1 A0
16 A1 4 S1A 5 S2A 6 S3A 7 S4A 13 S1B 12 S2B 11 S3B 10 S4B
2 EN
DA 8
DB 9 IC4
ADG709BRUZ IC4
ADG709BRUZ
12
C12 10u C12 10u
1
H4 DIRA H4 DIRA
12
3 D4 BAV99
D4 BAV99
12
C26 3M3 C26 3M3
1 2
C17 100n C17 100n
12
R11 4k7 R11 4k7
5
6 7
IC11B OPA2237UA IC11B OPA2237UA
1 2
R35
10k R35
10k
1 2
C15 100n C15 100n
2 UI UO 6
TR 5 4 GND
IC5
ADR441ARMZ IC5
ADR441ARMZ
1 2
3
D5 BAV99 D5 BAV99
1 2
R25100k R25100k
1
2
3 X1
SPOJKA3 X1 SPOJKA3
2 1
L1 100uH
L1 100uH
1 2
C5
100p C5
100p
1 2
R10
100k R10
100k
1
H3 MB H3 MB
1 2
C14 100n C14 100n
1 2
R331k R331k
1
2
3 X2
SPOJKA3 X2 SPOJKA3
12
C6 100n C6 100n
1 2
R32
10k R32
10k
1 1 2 2 3 3 4 4
XC7
CON4 XC7
CON4
12
C1 10u C1 10u
1
H7 DIRA H7 DIRA
12
R12 47k R12 47k
12
R17 4k7 R17 4k7 1
2 R24
10k R24
10k
1 2
C18
100n C18
100n
1 2
C22
100n C22
100n 3 S1
14 S2 11 S3 6 S4
D1 2 D2 15 D3 10 D4 7
1 IN1 16 IN2
9 IN3
8 IN4 GNDV+ 513 IC3
ADG711BRUZ IC3
ADG711BRUZ 5 AIN+
6 AIN- REFIN- 8 REFIN+
7
SCLK 1 DOUT 2 GAIN 4 FILTER 14 BPDSW
9 /PDRST 13
GND 10 AVDD 11 DVDD 12 IC2
AD7781BRZ IC2
AD7781BRZ
1 2
R28
10k R28
10k
1 2
R1
10k R1
10k
12
C16 100n C16 100n
12
C7 100n C7 100n
12
C11 470n C11 470n 5
6 7
IC10B OPA2347UA IC10B OPA2347UA
1
H6 DIRA H6 DIRA
12
C13 10u C13
10u 3
2 1
84
IC9A OPA2347UA IC9A OPA2347UA 14 A
13 B 15 G
Y0 12 Y1 11 Y2 10 Y3 9 IC1B
74HC139 IC1B
74HC139
1 1 2 2 3 3 4 4 5 5 6 6
XC1
CON6 XC1
CON6
5 6
7 IC12B OPA2237UA IC12B OPA2237UA
1 2
R16
100k R16
100k 1
2 R3
10k R3
10k
1 2
R2710k R2710k
12
R31 10k R31 10k
2 A 3 B 1 G
Y0 4 Y1 5 Y2 6 Y3 7 IC1A
74HC139 IC1A
74HC139
