ADC0804 datasheet(6/17 Pages) INTERSIL

부품명	ADC0804

상세설명	8-Bit, Microprocessor-Compatible, A/D Converters

PDF	17 Pages

Scroll/Zoom	100%

제조업체	INTERSIL [Intersil Corporation]

홈페이지	http://www.intersil.com/cda/home

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6 / 17 page

FIGURE 6. FULL SCALE ERROR vs fCLK

FIGURE 7. EFFECT OF UNADJUSTED OFFSET ERROR

FIGURE 8. OUTPUT CURRENT vs TEMPERATURE

FIGURE 9. POWER SUPPLY CURRENT vs TEMPERATURE

Typical Performance Curves (Continued)

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

-50

TA AMBIENT TEMPERATURE (oC)

-ISINK

VOUT = 0.4V

ISOURCE

VOUT = 2.4V

DATA OUTPUT

BUFFERS

V+ = 5V

-25

100

125

TA AMBIENT TEMPERATURE (oC)

-50

-25

100

125

1.6

1.5

1.4

1.3

1.2

1.1

1.0

fCLK = 640kHz

V+ = 5.5V

V+ = 5.0V

V+ = 4.5V

Timing Diagrams

FIGURE 10A. START CONVERSION

tWI

tW(WR)I

1 TO 8 x 1/fCLK

INTERNAL TC

ACTUAL INTERNAL

STATUS OF THE

CONVERTER

INTR

(LAST DATA READ)

(LAST DATA NOT READ)

“NOT BUSY”

“BUSY”

DATA IS VALID IN

OUTPUT LATCHES

INTR

ASSERTED

tVI

1/2 fCLK

ADC0803, ADC0804

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