CXA3572 データシートの表示（PDF） - Sony Semiconductor

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CXA3572

Driver/Timing Generator for Color LCD Panels

Sony Semiconductor 

CXA3572R

Item

Symbol

Serial data

setting (HEX)

Measurement conditions

Min. Typ. Max. Unit

Matrix amplitude

ratio

B-Y/

R-Y

G-Y/

R-Y

G-Y/

B-Y

Assume the TP10 output when SG4

(0.1Vp-p) is input to TP23 as RR, 0.85 1.00 1.15

the TP8 amplitude when SG4

(0.1Vp-p) is input to TP24 as BB,

CONT 80h

COLOR 40h

the TP10 amplitude when SG5

(0.1Vp-p) is input to TP23 as RG,

and the TP8 amplitude when SG5

0.41 0.51 0.61

(0.1Vp-p) is input to TP24 as BG.

B-Y/R-Y = RR/BB

G-Y/R-Y = RG/RR

0.15 0.19 0.23

G-Y/B-Y = BG/BB

fc1

LPF characteristics

fc2

LPF 01h Input SG3 to TP22 and measure the

MODE 00h frequency which results in –3dB

—

LPF 07h relative to the TP12 amplitude at

MODE 00h 100kHz when LPF = 01h and 07h.

—

1.5

5.2

—

MHz

—

Trap characteristics fo

Set U-BRT = 30h, CONT = DFh,

MODE 00h

TRAP 1

input SG7 (13.5MHz) to TP22, TP23

and TP24, and measure the amount

by which each output is attenuated

—

relative to SG7 (100kHz).

–27 –18 dB

Frequency

response

Set SW8, SW10 and SW12 = ON,

input SG3 to TP22, TP23 and TP24,

fRGB MODE 00h and measure the frequency which 5.5 —

results in –3dB relative to the TP8,

TP10 and TP12 amplitude at 100kHz.

— MHz

REF output voltage VREF

Measure the REF pin output voltage

at the output current 1.5mA sink.

1.3

1.5

1.7 V

DA adjustment

range

VDA1 DA 00h Measure the DA

Output current

1.0mA

—

— 0.3

output voltage when

V

VDA2

DA 07h

DA = 00h and 07h.

Output current

–1.0mA

2.6

—

—

γ gain

Input SG2 (0.35mVp-p) to TP22 and

measure the amplitude at TP8, TP10

∆γ 1

and TP12.

12 14 16

Assume the output amplitude when

CONT 41h GAMMA1 = 7Fh as V1, when

dB

GAMMA1 = 3Fh as V2, and when

∆γ 2

GAMMA1 = GAMMA2 = 3Fh as V3. 12

14

16

∆γ 1 = 20 log (V1/V2)

∆γ 2 = 20 log (V3/V2)

γ1 adjustment

variable range

Input SG2 (0.35mVp-p) to TP22 and

Vγ 1MN

read the gain transition points of the —

—

non-inverted output at TP12 when

CONT 41h γ1 = 00h and γ1 = 7Fh from the IRE

level of the input signal.

Vγ 1MX

γ 1 = 00h: Vγ 1MN

100 —

γ 1 = 7Fh: Vγ 1MX

0

IRE

—

– 16 –

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