CXA3572R Datasheet, PDF (14/40 Pages) Sony Corporation – Driver/Timing Generator for Color LCD Panels

CXA3572R
Electrical Characteristics
AC Characteristics
Unless otherwise specified, Settings 1 and 2, the serial data initial settings, and the following setting conditions
are required.
Ta = 25°C, VCC1 = 3.0V, VCC2 = 12V, GND1 = GND2 = 0V, VSS = 0V, SW8/10/12/14 = OFF, no video input,
SG1 input to TP25
Note: Serial data values in the table are HEX notation.
Item
Symbol
Serial data
setting (HEX)
Measurement conditions
Min.
Maximum gain
between input and GMAX
output
CONT FFh
MODE 00h
Input SG2 (0.2Vp-p) to TP22 and
measure the output amplitude at
TP12.
19
Minimum gain
between input and GMIN
output
CONT 00h
MODE 00h
Input SG2 (0.2Vp-p) to TP22 and
measure the output amplitude at
TP12.
–6
Input SG2 (0.2Vp-p) to TP22 and
Inverted and
measure the inverted output
non-inverted gain ∆GINV CONT 2Fh amplitude Vinv and the non-inverted —
difference
output amplitude Vninv at TP12.
∆Ginv = 20 log (Vninv/Vinv)
Input SG2 (0.2Vp-p) to TP22 (TP23,
Gain difference
between R, G and
B
∆GRGB
MODE 00h
CONT 2Fh
TP24), measure the non-inverted
output amplitude at TP8, TP10 and
TP12, and obtain the maximum and
minimum difference between these
—
values.
Sub-contrast
variable amount
Set CONT = 26h, input SG2 (0.2Vp-p)
∆GSC1
SUB-CONT _{to TP22, and assume the non-inverted}
00h _{output amplitude at TP8 and TP10}
–4
when SUB-CONT R, B = 40h, 00h
∆GSC2
SUB-CONT
7Fh
and 7Fh as V1, V2 and V3, respectively.
∆Gsc1 = 20 log (V3/V1)
∆Gsc2 = 20 log (V2/V1)
1.0
Sub-bright variable
amount
∆VSB1
∆VSB2
SUB-BRT ^{Set U-BRT = 1Ah and measure the}
R, B 00h ^{non-inverted level at TP8 and TP10}
–2.0
relative to the non-inverted black
SUB-BRT _{level at TP12 when SUB-BRT R, B =}
R, B 7Fh _{7Fh and 00h.}
0.9
Typ.
22
–3
—
—
–2.0
2.0
–1.4
1.4
Max. Unit
25 dB
0 dB
±0.4 dB
0.6 dB
–1.0
dB
4.0
–0.9
V
2.0
R, G, B, PSIG and
COM output
voltage in power
saving mode
VPSO
Black limiter
variable amount
VBL1
VBL2
Measure the R, G, B, PSIG and
COM output voltages in power
saving mode.
— — 100 _mV
BLK-LIM
Set U-BRT = 00h, measure the
non-inverted black limit level at TP12
00h _{when BLK-LIM = 00h and 3Fh, and}
—
2.5
3.0
assume the difference from the
V
BLK-LIM
3Fh
output DC voltage as VBL1 and VBL2,
respectively.
4.5
5.0
—
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