ADC0802 Intersil Corporation, ADC0802 Datasheet - Page 6

• Manufacturer Part Number: ADC0802
• Description: 8-Bit, Microprocessor-Compatible, A/D Converters
• Manufacturer: Intersil Corporation

Typical Performance Curves
Timing Diagrams
7
6
5
4
3
2
1
0
FIGURE 8. OUTPUT CURRENT vs TEMPERATURE
8
7
6
5
4
3
2
0
-50
FIGURE 6. FULL SCALE ERROR vs f
ACTUAL INTERNAL
-I
V
STATUS OF THE
-25
SINK
OUT
400
CONVERTER
T
= 0.4V
A
AMBIENT TEMPERATURE (
0
INTR
CS
WR
800
f
DATA OUTPUT
BUFFERS
CLK
25
V+ = 5V
(LAST DATA READ)
(LAST DATA NOT READ)
6
(kHz)
1200
50
I
V
V+ = 4.5V
SOURCE
OUT
75
(Continued)
t
o
1600
WI
C)
V+ = 5V
= 2.4V
CLK
V+ = 6V
FIGURE 10A. START CONVERSION
100
ADC0803, ADC0804
t
W(WR)I
2000
125
1 TO 8 x 1/f
“NOT BUSY”
FIGURE 9. POWER SUPPLY CURRENT vs TEMPERATURE
CLK
FIGURE 7. EFFECT OF UNADJUSTED OFFSET ERROR
16
14
12
10
1.6
1.5
1.4
1.3
1.2
1.1
1.0
8
6
4
2
0
0.01
-50
“BUSY”
INTERNAL T
-25
T
A
AMBIENT TEMPERATURE (
0
0.1
t
VI
C
25
V
REF
DATA IS VALID IN
OUTPUT LATCHES
/2 (V)
V
ASSUMES V
THIS SHOWS THE NEED
FOR A ZERO ADJUSTMENT
IF THE SPAN IS REDUCED
IN(+)
50
INTR
ASSERTED
1
/
2
= V
f
1.0
CLK
IN(-)
75
f
CLK
OS
o
= 0V
C)
V+ = 5.5V
V+ = 5.0V
V+ = 4.5V
= 2mV
= 640kHz
100
5
125