HI2304 Просмотр технического описания (PDF) - Intersil

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HI2304

Triple 8-Bit, 20 MSPS, RGB, 3-Channel D/A Converter

Intersil 

Test Circuits (Continued)

FREQUENCY

DEMULTIPLIER

CLK

1MHz

SQUARE

WAVE

HI2304

0.1µ

DVSS

R0 TO R7

1 TO 8

G0 TO G7

9 TO 16

B0 TO B7

17 TO 24

25 BLK

26 CE

32 VB

HI2304

R0 37

330

AVSS

G0 39

330

AVSS

B0 41

330

AVSS

OSCILLOSCOPE

27 RCK

28 GCK

29 BCK

AVDD

VG 42

0.1µ

VREF 34

1K

IREF 35

5.1K

AVSS

FIGURE 5. PROPAGATION DELAY TIME TEST CIRCUIT

DIGITAL

WAVEFORM

GENERATOR

ALL “1”

ALL “1”

R0 TO R7

1 TO 8

G0 TO G7

9 TO 16

B0 TO B7

17 TO 24

25 BLK

0.1µ 26 CE

32 VB

HI2304

DVSS

R0 37

330

AVSS

G0 39

330

AVSS

B0 41

330

AVSS

SPECTRUM

ANALYZER

CLK

20MHz

SQUARE

WAVE

27 RCK

28 GCK

29 BCK

AVDD

VG 42

0.1µ

VREF 34

IREF 35

SNR: Difference between primary

component and secondary distortion.

1K

AVSS

FIGURE 6. SNR TEST CIRCUIT (See Figure 8)

10-9

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