SPT1018 데이터 시트보기 (PDF) - Signal Processing Technologies

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SPT1018

8-BIT, HIGH SPEED D/A CONVERTER

Signal Processing Technologies 

Figure 8 - DAC Output Circuit

Reference Reference

Amplifier Current

Ref+

Ref-

+

-

Current

Sink #1

ISeg

Current

Sink #N

Out+

Out-

ISeg

VEE

Comp

Figure 9 - Video Output Waveform for Standard Load

IRE

110

0 mV

100 -73 mV

Bright

Normal High (White)

7.5 -728 mV

0 -781 mV

256 Gray Levels

Video

Blank

Normal Low (Black)

-40 -1071 mV

Sync

Figure 10 - Equivalent Input Circuits - Data, Clock, Controls and Reference

Conv

Conv

IBias

VEE

Data and

Controls

Ref-

Ref+

Reference

Segment

Switch

IBias

IBias

V

SPT

80 kΩ

IBias

VEE

9

VCC

IBias

VEE

SPT1018

5/14/97

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