ADC0803LCN Просмотр технического описания (PDF) - Renesas Electronics
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ADC0803LCN Datasheet PDF : 17 Pages
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ADC0803, ADC0804
Timing Waveforms (Continued)
V+
V+
10K
RD
DATA
CS
OUTPUT
CL
2.4V
RD
0.8V
V+
DATA
OUTPUTS
VOI
tr = 20ns
tr
90%
50%
10%
t0H
10%
FIGURE 1C. t0H
FIGURE 1D. t0H, CL = 10pF
FIGURE 1. THREE-STATE CIRCUITS AND WAVEFORMS
Typical Performance Curves
1.8
-55oC TO 125oC
1.7
1.6
1.5
1.4
1.3
4.50
4.75
5.00
5.25
5.50
V+ SUPPLY VOLTAGE (V)
FIGURE 2. LOGIC INPUT THRESHOLD VOLTAGE vs SUPPLY
VOLTAGE
500
400
300
200
100
0
200
400
600
800
LOAD CAPACITANCE (pF)
1000
FIGURE 3. DELAY FROM FALLING EDGE OF RD TO OUTPUT
DATA VALID vs LOAD CAPACITANCE
3.5
3.1
VT(+)
2.7
-55oC TO 125oC
2.3
1.9
VT(-)
1.5
4.50
4.75
5.00
5.25
5.50
V+ SUPPLY VOLTAGE (V)
FIGURE 4. CLK IN SCHMITT TRIP LEVELS vs SUPPLY
VOLTAGE
FN3094 Rev 4.00
August 2002
1000
R = 50K
R = 10K
R = 20K
100
10
100
CLOCK CAPACITOR (pF)
FIGURE 5. fCLK vs CLOCK CAPACITOR
1000
Page 5 of 17
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