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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
1.8
500
-55oC TO 125oC
1.7
400
1.6
300
1.5
200
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
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
7
6
V+ = 4.5V
5
4
3
2
V+ = 5V
1
0
V+ = 6V
0
400
800
1200
1600
2000
fCLK (kHz)
FIGURE 6. FULL SCALE ERROR vs fCLK
1000
R = 50K
R = 10K
R = 20K
100
10
100
CLOCK CAPACITOR (pF)
FIGURE 5. fCLK vs CLOCK CAPACITOR
1000
16
VIN(+) = VIN(-) = 0V
14
ASSUMES VOS = 2mV
THIS SHOWS THE NEED
12
FOR A ZERO ADJUSTMENT
IF THE SPAN IS REDUCED
10
8
6
4
2
0
0.01
0.1
1.0
5
VREF/2 (V)
FIGURE 7. EFFECT OF UNADJUSTED OFFSET ERROR
6-10
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