ADC0803LCD datasheet(6/16 Pages) INTERSIL

Il numero della parte	ADC0803LCD

Spiegazioni elettronici	8-Bit, Microprocessor- Compatible, A/D Converters

PDF	16 Pages

Scroll/Zoom	100%

Produttore elettronici	INTERSIL [Intersil Corporation]

Homepage	http://www.intersil.com/cda/home

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6 / 16 page

6-10

Typical Performance Curves

FIGURE 2. LOGIC INPUT THRESHOLD VOLTAGE vs SUPPLY

VOLTAGE

FIGURE 3. DELAY FROM FALLING EDGE OF RD TO OUTPUT

DATA VALID vs LOAD CAPACITANCE

FIGURE 4. CLK IN SCHMITT TRIP LEVELS vs SUPPLY VOLTAGE

FIGURE 5. fCLK vs CLOCK CAPACITOR

FIGURE 6. FULL SCALE ERROR vs fCLK

FIGURE 7. EFFECT OF UNADJUSTED OFFSET ERROR

-55oC TO 125oC

1.8

1.7

1.6

1.5

1.4

1.3

4.75

4.50

5.00

5.25

5.50

V+ SUPPLY VOLTAGE (V)

500

400

300

200

100

LOAD CAPACITANCE (pF)

200

400

600

800

1000

3.5

3.1

2.7

2.3

1.9

1.5

4.50

V+ SUPPLY VOLTAGE (V)

-55oC TO 125oC

VT(-)

VT(+)

4.75

5.00

5.25

5.50

1000

CLOCK CAPACITOR (pF)

100

1000

R = 10K

R = 50K

R = 20K

fCLK (kHz)

400

800

1200

1600

2000

V+ = 4.5V

V+ = 5V

V+ = 6V

VIN(+) = VIN(-) = 0V

ASSUMES VOS = 2mV

THIS SHOWS THE NEED

FOR A ZERO ADJUSTMENT

IF THE SPAN IS REDUCED

VREF/2 (V)

0.01

0.1

1.0

ADC0802, ADC0803, ADC0804

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