HI1260JCQ 데이터 시트보기 (PDF) - Intersil

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HI1260JCQ

Triple 8-Bit, 35 MSPS, RGB, 3-Channel D/A Converter

Intersil 

HI1260

Test Circuits and Waveforms (Continued)

(MSB)

OUT D1

8-BIT

COUNTER

(TTL OUTPUT)

D2

(LSB)

D8

IN

MCLK

f = 35 MSPS

TTL LEVEL

RECTANGULAR

WAVE

D1 - D8

8 (R)

D1 - D8

8 (G)

D1 - D8

8 (B)

39 - 42

44 - 47

1-8

9 - 16

18

CLK

HI1260

19, 37, 43

DIGITAL RAMP WAVEFORM GENERATION

ROUT

33

GOUT

31

BOUT

29

27

VSET

24

+

-

V

23

33µF

20

12.5K

OSCILLOSCOPE

RIN = 1MΩ

CIN - 10PF

BW = 20MHz

CLK

AGND DGND

D1 TO D8

2ns TO 10ns

AVCC DVCC

TIMING BETWEEN CLK AND DATA

FIGURE 2. MAXIMUM CONVERSION RATE TEST CIRCUIT

DVCC

D1 - D8 39 - 42

19, 37, 43

8 (R)

8 (G)

44 - 47

1-8

ROUT

33

GOUT

31

8 (B)

9- 16

BOUT

29

27 AVCC

V

VREF

25

VSET

24

3K

33µF

V

23

CLK TTL LEVEL

18

CLK

20

HI1260

FIGURE 3. OUTPUT VOLTAGE FULL SCALE PRECISION, RGB OUTPUT VOLTAGE FULL SCALE RATIO, AND OUTPUT ZERO OFF-

SET VOLTAGE TEST CIRCUITS

10-7

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