ADC0802 Intersil Corporation, ADC0802 Datasheet - Page 5

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

Timing Waveforms
Typical Performance Curves
FIGURE 2. LOGIC INPUT THRESHOLD VOLTAGE vs SUPPLY
FIGURE 4. CLK IN SCHMITT TRIP LEVELS vs SUPPLY
1.8
1.7
1.6
1.5
1.4
1.3
3.5
3.1
2.7
2.3
1.9
1.5
4.50
4.50
-55
VOLTAGE
V
o
RD
CS
C TO 125
T(+)
4.75
4.75
-55
o
FIGURE 1C. t
V+ SUPPLY VOLTAGE (V)
V+ SUPPLY VOLTAGE (V)
V+
C
o
C TO 125
VOLTAGE
(Continued)
5
V+
5.00
5.00
o
10K
C
C
L
0H
FIGURE 1. THREE-STATE CIRCUITS AND WAVEFORMS
DATA
OUTPUT
5.25
5.25
V
T(-)
ADC0803, ADC0804
5.50
5.50
FIGURE 3. DELAY FROM FALLING EDGE OF RD TO OUTPUT
1000
500
400
300
200
100
100
10
0
FIGURE 5. f
OUTPUTS
R = 50K
DATA VALID vs LOAD CAPACITANCE
DATA
FIGURE 1D. t
RD
200
2.4V
0.8V
V
LOAD CAPACITANCE (pF)
R = 20K
CLOCK CAPACITOR (pF)
CLK
V+
OI
vs CLOCK CAPACITOR
400
0H
t
r
100
= 20ns
, C
t
r
10%
50%
L
90%
= 10pF
600
R = 10K
10%
t
0H
800
1000
1000