INTERFACE IC FOR ACTIVE MATRIX LIQUID CRYSTAL PANEL
M52338FP
MITSUBISHI ICs (TV)
ELECTRICAL CHARACTERISTICS TEST METHOD
I
CC1,ICC2
Measure quiescent current flowing into pins
Circuit current 1, 2
and
.
COmin1,COmax1
Input FRP2 and measure the output amplitude when voltage at
pin
is changed to GND, and 4.5V.
13
Common output 1
COminT1,COmaxT1
Input FRP2 and measure the center voltage level of output
waveform when voltage at pin
Common center voltage level 1
is changed to GND, and 4.5V.
cothH1,cothL1
Input FRP2 and measure through rates at rising point and
falling point of the output waveform when voltage at pin
connect-ed to GND.
Common through rate 1
is
MA1
Maximum input level A
Connect pin
amplitude between pedestal level and white level at pins
and
when signal Y (1.5V
P-P
) is input. Also, measure in the
same way as above when pin
mode is changed to EXT.
to 4.5V and measure the non-inverted output
,
is connected to GND and the
MOA1
Offset among channels at maximum input level A
Based on the results of maximum input level A, calculate the
difference in amplitude level among channels.
MB1
Maximum input level B
Connect pin
amplitude between pedestal level and white level at pins
and
when signal Y (1.5V
P-P
) is input. Also, measure in the
same way as above when pin
mode is changed to EXT.
to GND and measure the inverted output
,
is connected to GND and the
MOB1
Offset among channels at maximum input level B
Based on the results of the maximum input level B, calculate
the difference in amplitude level among channels.
M1
Maximum input level difference
Calculate difference in output amplitude between maximum
input level A and level B of each channel.
P11
Pedestal voltage level 1
In inputting signal Y, measure output voltage at pins
and
when pin
is 4.5V and pin
measure in the same way as above when pin
to GND and the mode is changed to EXT.
,
,
is grounded. Also,
is connected
7
PO11
Offset among channels at pedestal voltage level 1
Based on the results of pedestal voltage level 1, calculate
offset among channels.
PO21
Pedestal voltage level 2
In inputting signal Y, measure output voltage at pins
and
when voltage at pins
Also, measure in the same way as above when pin
connected to GND and the mode is changed to EXT.
,
,
and
are connected to GND.
is
PO21
Offset among channels at pedestal voltage level 2
Based on the results of pedestal voltage level 2, calculate offset
among channels.
S1
Center output voltage level
Measure the center voltage level based on pedestal voltage
levels 1 and 2 of each channel.
M=(pedestal voltage level 1 - pedestal voltage level 2) /2
SO1
Offset among channels at center
output voltage level
Based on the result of center output voltage level, measure
offset among channels.
A1
Output amplitude A
In inputting signal Y, measure non-inverted output amplitude
between pedestal level and white level at pins
when pin
is 4.5V and voltage at pin
in the same way as above when pin
and the mode is changed to EXT.
,
,and 0
is 1.5V. Also, measure
is connected to GND
OA1
Offset among channels at output amplitude A
Based on the results of output amplitude A, calculate the
difference in output amplitude among channels.
B1
Output amplitude B
In inputting signal Y, measure non-inverted output amplitude
between pedestal level and white level at pins
when voltage at pin
is grounded and voltage at pin
Also, measure in the same way as above, when pin
connected to GND and the mode is changed to EXT.
,
, and 0
is 1.5V.
24
is
OB1
Offset among channels at output amplitude B
Based on the results of output amplitude B, calculate the
difference in output amplitude among channels.
L1
Linearity
Measure the difference in inverted/inverted output amplitude of
the output waveform found as the results of output amplitude A
and B. Also, measure in the same way as above, when pin
connected to GND and the mode is changed to EXT.
is
W11
White balance 1
In inputting signal Y, measure white peak level of each channel
when voltage at pin
and
limiter work). Also, measure in the same way as above when
pin
is connected to 4.5V and the mode is changed to EXT.
7
are 4.5V (in the state that peak
WO11
Offset among channels at white balance 1
Based on the results of white balance 1, measure offset among
channels.
W21
White balance 2
In inputting signal Y, measure white peak level of each channel
when pin
is grounded and voltage at pin
state peak limiter works). Also, measure in the same way as
above when pin
is connected to GND and the mode is
changed to EXT.
is 4.5V (in the
10
1
13
22
21
17 19
7
22
7
17 19
21
21
22
24
17
19
17
19
21
22
24
7
17
19
21
22
24
7
17
19
21
22
7
7
22
24
7
22
24
13