CXA1779 데이터 시트보기 (PDF) - Sony Semiconductor

부품명

상세내역

제조사

CXA1779

Predriver for High Resolution Computer Displays

Sony Semiconductor 

CXA1779P

Electrical Characteristics

(Ta = 25°C, Vcc = 12V, See Electrical Characteristics Measurement Circuit.)

No.

Item

Symbol

Measurement contents

Min. Typ. Max. Unit

1

Current

consumption

Icc

S1 to S7: OFF

Input signal: None

50

88 120 mA

S1 to S7: ON

Input continuous 1MHz and 100MHz

sine waves at 0.7Vp-p, and measure the

gain difference of the output amplitudes.

2

Frequency

response

f100MHz

( ) Gain difference [dB]

= 20log

VOUT 100M

VOUT 1M

–3

–1.5

—

dB

RGB input signal (RGB input pin)

3

Contrast

control

0.35V

0.7Vpp

GND

CLP potential

S1 to S7: OFF

Input video signal 0.7Vp-p and measure

output signal amplitude VOUT. Calculate

the contrast gain from this VOUT.

( ) VOUT

CONTMAX [dB] = 20log

CONTMAX

0.7

RGB input signal

13

14

— dB

0.7Vpp

Measuring is possible with or without a sync signal.

S1 to S7: OFF

CLP pulse width: 300ns

BRTmax Measure the pedestal level of the RGB

—

3.5

—

output signal.

4

Brightness

control

RGB output signal

V

BRTmin

Pedestal level

—

1.9

—

GND

Measuring is possible with or without a sync signal.

S1 to S7: OFF

Input video signal 0.7Vp-p and measure

the variable width of output signal VOUT.

5

Sub contrast

gain

( ) Gain difference [dB] VOUT DRVmin

= 20log

DRVgain

VOUT DRVmax

RGB output signal

DRVmax

—

–6

— dB

DRVmin

Measuring is possible with or without a sync signal.

–4–

Share Link: