ADC0803 datasheet(25/41 Pages) NSC

部件名	ADC0803

功能描述	8-Bit 關P Compatible A/D Converters

PDF	41 Pages

Scroll/Zoom	100%

制造商	NSC [National Semiconductor (TI)]

网页	http://www.national.com

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25 / 41 page

Functional Description (Continued)

TABLE 1. DECODING THE DIGITAL OUTPUT LEDs

OUTPUT VOLTAGE

FRACTIONAL BINARY VALUE FOR

CENTER VALUES

HEX

BINARY

WITH

REF/2=2.560 VDC

MS GROUP

LS GROUP

VMS

GROUP

(Note 15)

VLS

GROUP

(Note 15)

1111

15/16

15/256

4.800

0.300

1110

7/8

7/128

4.480

0.280

1101

13/16

13/256

4.160

0.260

1100

3/4

3/64

3.840

0.240

1011

11/16

11/256

3.520

0.220

1010

5/8

5/128

3.200

0.200

1001

9/16

9/256

2.880

0.180

1000

1/2

1/32

2.560

0.160

0111

7/16

7/256

2.240

0.140

0110

3/8

3/128

1.920

0.120

0101

5/16

2/256

1.600

0.100

0100

1/4

1/64

1.280

0.080

0011

3/16

3/256

0.960

0.060

0010

1/8

1/128

0.640

0.040

0001

1/16

1/256

0.320

0.020

0000

Note 15: Display Output=VMS Group + VLS Group

DS005671-89

FIGURE 10. A/D Tester with Analog Error Output

DS005671-90

FIGURE 11. Basic “Digital” A/D Tester

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