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ADC0804-1CN 查看數據表(PDF) - Philips Electronics
零件编号
产品描述 (功能)
生产厂家
ADC0804-1CN
CMOS 8-bit A/D converters
Philips Electronics
ADC0804-1CN Datasheet PDF : 18 Pages
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Philips Semiconductors
CMOS 8-bit A/D converters
Product data
ADC0803/0804
+5 V
V
CC
40
SCN8051
OR
SCN80C51
1 P1.0
2 P1.1
3 P1.2
4 P1.3
5 P1.4
6 P1.5
7 P1.6
8 P1.7
17 RD
16 WR
12 INTO
39 P0.0
D0 18
D1 17
D2 16
D3 15
D4 14
D5 13
D6 12
D7 11
V
CC
20
A/D
RD 2
WR 3
INTR 5
CS 1
19 CLK R
4 CLK IN
10 k
Ω
56 pF
6
V
IN
(+)
7
V
REF
/2
ANALOG
INPUTS
12 A GND
11 D GND
18 D0
17 D1
16 D2
15 D3
14 D4
A/D
13 D5
12 D6
11 D7
8–BIT
BUFFER
N74LS241
N74LS244
N74LS541
DATA
BUS
OE
SL00029
Figure 14. Buffering the A/D Output to Drive High Capacitance
Loads and for Driving Off-Board Loads
Figure 13. SCN8051 Interfacing
SL00028
+5 V
C
t
4.7 k
Ω
1.5 k
Ω
18 k
Ω
820
Ω
NE5521
1
µ
F
LVDT
4.7 k
Ω
0.47
µ
F
22 k
Ω
470
Ω
IN4148
V
IN
(+)
3.3 k
Ω
2 k
Ω
V
IN
(–)
V
CC
+5 V
A/D
2 k
Ω
V
REF
/2
FULL SCALE
100
Ω
ADJUST
2 k
Ω
SL00030
Figure 15. Digitizing a Transducer Interface Output
2002 Oct 17
13
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