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ADC0804LCD View Datasheet(PDF) - Philips Electronics

Part NameDescriptionManufacturer
ADC0804LCD CMOS 8-bit A/D converters Philips
Philips Electronics Philips
ADC0804LCD Datasheet PDF : 18 Pages
First Prev 11 12 13 14 15 16 17 18
Philips Semiconductors
CMOS 8-bit A/D converters
Product data
ADC0803/0804
VCC
TRANSDUCER
VIN(+)
VCC
+
10µF
2 k
A/D
VIN(–)
VREF/2
FULL SCALE
OPTIONAL
100
2 k
SL00024
Figure 9. Ratiometric Mode of Operation with Optional Full
Scale Adjustment
+5 V
10 k
2.7 k
10 k
47 µF TO
100 µF
56 pF
CS 1
RD 2
WR 3
CLK IN 4
INTR 5
VIN(+) 6
VIN(–) 7
A GND 8
VREF/2 9
D GND 10
10k
A/D
+5 V
20 VCC
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
fCLK = 1/1.7 R C
R = 10 k
SL00026
Figure 11. Self-Clocking the Converter
10 k
INT
I/O WR
I/O RD
+5 V
ANALOG
INPUTS
56 pF
CS 1
RD 2
WR 3
CLK IN 4
INTR 5
VIN(+) 6
VIN(–) 7
A GND 8
VREF/2 9
D GND 10
A/D
DECODE
LOGIC
20 VCC
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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