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ADC0804 View Datasheet(PDF) - Intersil

Part NameDescriptionManufacturer
ADC0804 8-Bit, Microprocessor-Compatible, A/D Converters Intersil
Intersil Intersil
ADC0804 Datasheet PDF : 16 Pages
1 2 3 4 5 6 7 8 9 10 Next Last
ADC0802, ADC0803, ADC0804
Typical Performance Curves (Continued)
8
V+ = 5V
7
DATA OUTPUT
BUFFERS
6
5
ISOURCE
VOUT = 2.4V
4
3
-ISINK
VOUT = 0.4V
2
-50 -25
0
25
50
75 100 125
TA AMBIENT TEMPERATURE (oC)
FIGURE 8. OUTPUT CURRENT vs TEMPERATURE
Timing Diagrams
1.6
fCLK = 640kHz
1.5
V+ = 5.5V
1.4
1.3
V+ = 5.0V
1.2
1.1
V+ = 4.5V
1.0
-50
-25
0 25
50
75
100
125
TA AMBIENT TEMPERATURE (oC)
FIGURE 9. POWER SUPPLY CURRENT vs TEMPERATURE
CS
WR
ACTUAL INTERNAL
STATUS OF THE
CONVERTER
tWI
tW(WR)I
(LAST DATA READ)
INTR
(LAST DATA NOT READ)
“BUSY”
“NOT BUSY”
1 TO 8 x 1/fCLK
INTERNAL TC
tVI
FIGURE 10A. START CONVERSION
DATA IS VALID IN
OUTPUT LATCHES
INTR
ASSERTED
1/2 fCLK
INTR
CS
RD
DATA
OUTPUTS
INTR RESET
tRI
VALID
DATA
tACC
THREE-STATE
(HI-Z)
t1H , t0H
VALID
DATA
FIGURE 10B. OUTPUT ENABLE AND RESET INTR
6-11
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