ADC0809CCV 查看數據表（PDF） - Micro Linear Corporation
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ADC0809CCV Datasheet PDF : 12 Pages
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ML2258
PIN CONFIGURATION
ML2258
28-Pin DIP (P28)
IN3 1
IN4 2
IN5 3
IN6 4
IN7 5
START 6
EOC 7
DB3 8
OE
9
CLK 10
VCC
11
+VREF 12
GND 13
DB1 14
28
27
26
25
24
23
22
21
20
19
18
17
16
15
TOP VIEW
IN2
IN1
IN0
ADDR0
ADDR1
ADDR2
ALE
DB7
DB6
DB5
DB4
DB0
–VREF
DB2
ML2258
28-Pin PCC (Q28)
IN7
START
EOC
DB3
OE
CLK
VCC
4 3 2 1 28 27 26
5
25
6
24
7
23
8
22
9
21
10
20
11
19
12 13 14 15 16 17 18
ADDR0
ADDR1
ADDR2
ALE
DB7
DB6
DB5
TOP VIEW
PIN DESCRIPTION
PIN# NAME
1 IN3
2 IN4
3 IN5
4 IN6
5 IN7
6 START
7 EOC
8 DB3
9 OE
10 CLK
11 VCC
12 +VREF
FUNCTION
Analog input 3.
Analog input 4.
Analog input 5.
Analog input 6.
Analog input 7.
Start of conversion. Active high digital
input pulse initiates conversion.
End of conversion. This output goes
low after a START pulse occurs, stays
low for the entire A/D conversion, and
goes high after conversion is
completed. Data on DB0–DB7 is valid
on rising edge of EOC and stays valid
until next EOC rising edge.
Data output 3.
Output enable input. When OE = 0,
DB0–DB7 are in high impedance
state; OE = 1, DB0–DB7 are active
outputs.
Clock. Clock input provides timing for
A/D converter, S/H, and digital
interface.
Positive supply. 5V ± 10%.
Positive reference voltage.
PIN# NAME
13 GND
14 DB1
15 DB2
16 –VREF
17 DB0
18 DB4
19 DB5
20 DB6
21 DB7
22 ALE
23 ADDR0
24 ADDR1
25 ADDR2
26 IN0
27 IN1
28 IN2
FUNCTION
Ground. 0V, all analog and digital
inputs or outputs are reference to this
point.
Data output 1.
Data output 2.
Negative reference voltage.
Data output 0.
Data output 4.
Data output 5.
Data output 6.
Data output 7.
Address latch enable. Input to latch in
the digital address (ADDR2–0) on the
rising edge of the multiplexer.
Address input 0 to multiplexer. Digital
input for selecting analog input.
Address input 1 to multiplexer. Digital
input for selecting analog input.
Address input 2 to multiplexer. Digital
input for selecting analog input.
Analog input 0.
Analog input 1.
Analog input 2.
2
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