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Part Name
Description
ADC0803LCD View Datasheet(PDF) - Philips Electronics
Part Name
Description
Manufacturer
ADC0803LCD
CMOS 8-bit A/D converters
Philips Electronics
ADC0803LCD Datasheet PDF : 18 Pages
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Philips Semiconductors
CMOS 8-bit A/D converters
Product data
ADC0803/0804
V
CC
TRANSDUCER
V
IN
(+)
V
CC
+
10
µ
F
2 k
Ω
A/D
V
IN
(–)
V
REF
/2
FULL SCALE
OPTIONAL
100
Ω
2 k
Ω
SL00024
Figure 9. Ratiometric Mode of Operation with Optional Full
Scale Adjustment
+5 V
10 k
Ω
2.7 k
Ω
10 k
Ω
47
µ
F TO
100
µ
F
56 pF
CS 1
RD 2
WR 3
CLK IN 4
INTR 5
V
IN
(+)
6
V
IN
(–)
7
A GND 8
V
REF
/2 9
D GND 10
10k
A/D
+5 V
20
V
CC
19 CLK R
18 D0
DB0
17 D1
16 D2
DB1
DB2
15 D3
DB3
14 D4
DB4
13 D5
DB5
12 D6
DB6
11 D7
DB7
SL00025
Figure 10. Connection for Continuous Conversion
CLK R 19
R
CLK IN 4
C
CLK
A/D
f
CLK
= 1/1.7 R C
R = 10 k
Ω
SL00026
Figure 11. Self-Clocking the Converter
10 k
Ω
INT
I/O WR
I/O RD
+5 V
ANALOG
INPUTS
56 pF
CS 1
RD 2
WR 3
CLK IN 4
INTR 5
V
IN
(+) 6
V
IN
(–) 7
A GND 8
V
REF
/2 9
D GND 10
A/D
DECODE
LOGIC
20 V
CC
19 CLK R
18 D0
DB0
17 D1
DB1
16 D2
DB2
15 D3
DB3
14 D4
DB4
13 D5
DB5
12 D6
DB6
11 D7
DB7
ADDRESS
SL00027
Figure 12. Interfacing to 8080A Microprocessor
2002 Oct 17
12
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