CXA1854AR 데이터 시트보기 (PDF) - Sony Semiconductor

부품명

상세내역

제조사

CXA1854AR

Decoder/Driver/Timing Generator for Color LCD Panels

Sony Semiconductor 

CXA1854AR

Electrical Characteristics – AC Characteristics (3)

Item

Symbol

Conditions

RGB signal output characteristics

RGB output DC

voltage

VOUT

Input SIG6 (VL = 0mV) to (A). Adjust V60 so that the

output (black-black) at TP41 is 9Vp-p and measure the

DC voltage at TP39, TP41 and TP43.

RGB output DC

voltage difference

∆VOUT

Input SIG6 (VL = 0mV) to (A). Adjust V60 so that the

output (black-black) at TP41 is 9Vp-p, measure the DC

voltage at TP39, TP41 and TP43, and obtain the

maximum difference between these values.

Min. Typ. Max. Unit

5.85 6.05 6.25 V

0 100 mV

Input SIG6 (VL = 0mV) to (A) and measure the output

BRTMX (black-black) at TP39, TP41 and TP43 when V60 = 0V.

9.0

Amount of change

in brightness

BRTMN

Input SIG6 (VL = 0mV) to (A) and measure the output

(black-black) at TP39, TP41 and TP43 when V60 = 5V.

V

3.0 V

Amount of change

in sub-brightness SBBRT

Amount of change

in sub-contrast

SBCNT

Difference in RGB

reversed/

non-reversed gain

∆G (NR)

γ characteristics

Gγ1

γ gain

Gγ2

Gγ3

V γ 1 adjustment

variable range

V γ 1MN

V γ 1MX

V γ 2 adjustment

variable range

V γ 2MN

V γ 2MX

Input SIG6 (VL = 0mV) to (A) and measure the

difference between the outputs (black-black) at TP39 and

TP43 and the output (black-black) at TP41 when V55

±2 ±4

V

and V56 = 1V and when V55 and V56 = 4V.

Input SIG5 to (A) and measure the difference between

the outputs (white-black) at TP39 and TP43 and the

output (white-black) at TP41 when V63 and V64 = 1V

±2

dB

and when V63 and V64 = 4V.

Input SIG5 to (A) and obtain the gain difference between

the non-reversed output amplitudes (white-black) and the –0.6 0

reversed output amplitudes at TP39, TP41 and TP43.

0.6 dB

Input SIG9 to (A) and adjust the non-reversed output

amplitude (white-black) at TP41 to 4Vp-p with V61.

Calculate the following:

G γ 1 = 20log (VG1/0.0357)

G γ 2 = 20log (VG2/0.0357)

G γ 3 = 20log (VG3/0.0357)

(See Fig. 6 for definitions of VG1, VG2 and VG3.)

21.5 25.5 29.5 dB

9.5 12.5 15.5 dB

18.5 23.5 26.5 dB

Input SIG4 to (A) and adjust the output amplitude (white-

black) at TP41 to 4Vp-p with V61 when V57 and V58

= 0V and V59 = 5V. Measure the point where the gain of

the non-reversed output at TP41 changes and the

voltage difference V γ 1 between this output and VCC2/2

when V59 = 0V and when V59 = 2.7V. V γ 1MN when

3.5

V59 = 0V, and V γ 1MX when V59 = 2.7V (See Fig. 7.)

2.0 V

V

Input SIG4 to (A) and adjust the output amplitude (white-

black) at TP41 to 4Vp-p with V61 when V57 and V58

= 0V. Measure the point where the gain of the

non-reversed output at TP41 changes and the voltage

difference V γ 2 between this output and VCC2/2 when

V58 = 5V and when V58 = 1.5V. V γ 2MN when V58

2.0

= 5V and V γ 2MX when V58 = 1.5V. (See Fig. 7.)

0.9 V

V

– 17 –

Share Link: