LV76223A3F Datasheet, PDF (24/47 Pages) Sanyo Semicon Device – For PAL/NTSC/SECAM Color Television Sets VIF/SIF/Y/C/Deflection /CbCr IN Implemented in a Single Chip

LV76223A3F
Parameter
Symbol
[Chroma block]: NTSC
ACC amplitude characteristics 1 ACCM1_N
ACC amplitude characteristics 2 ACCM2_N
Demodulation
output ratio
R-Y/B-Y:NTSC
Demodulation
output ratio
G-Y/B-Y:NTSC
Demodulation
angle B-Y/R-Y:
NTSC
RB_N
GB_N
ANGBR_N
Demodulation
angle G-Y/B-Y:
NTSC
ANGGB_N
Killer operating
point 0 (NTSC)
KILLN0
Killer operating
point 3 (NTSC)
KILLN3
Difference between two Killer DKILLN
operating points (NTSC)
APC pull-in range(+)
PULIN+_N
APC pull-in range(-)
PULIN-_N
Tint center
Tint variable range (+)
Tint variable range (-)
Cr output Amplitude
Cb output Amplitude
TINCEN
TINT+
TINT-
CBCR-R
CBCR-B
[Chroma block]: SECAM
B-Y output amplitude
MVBY
R-Y output amplitude
MVRY
B-Y/R-Y output ratio
B-Y linearity
R-Y linearity
SECAM killer operating
point
MRATRB
MLINBY
MLINRY
MKILL
White balance B-Y
MWBBY
White balance R-Y
MWBRY
Test
Input
point
signal
Test method
Bus conditions
C-1
46 _0dB
+6dB
C-1
46 -20dB
46 ^C-1
48
C-1
47
C-1
46
48
Measure the output amplitude
when 0dB is applied to the chroma input
and when +6dB is applied to the chroma input.
And calculate the ratio between them.
ACCM1_N=20log(+6dBdata/0dBdata)
Measure the output amplitude
when 20dB is applied to the chroma input
and calculate the ratio between them.
ACCM2_N=20log(-20dBdata/0dBdata)
Refer to 5. And measure Bout output amplitude Vb and ROUT output
amplitude Vr. And calculate RB_N=Vr/Vb.
Color:1000000
Refer to 5. and measure GOUT output amplitude Vg. And calculate
GB_N=Vg/Vb.
Refer to 5. and measure the B-Y and R-Y demodulation angle and
calculate.
Reference: B-Y angle
Color:1000000
Color:1000000
C-1
46
47
Refer to 5. and measure the B-Y and G-Y demodulation angle and
calculate.
Reference: B-Y angle
Color:1000000
C-1
46
C-1
46
46 ^C-1
Reduce the input signal until the output
Level becomes 75mVp-p or less. Measure
the input level at that moment.
Reduce the input signal until the output
Level becomes 75mVp-p or less. Measure
the input level at that moment.
Calculate as follows,
DKILLN=KILLN0-KILLN3
Decrease the chroma fsc frequency from 3.579545MHz+1000Hz and
measure the frequency at which the VCO locks.
Color Killer Ope.:00
Color Killer Ope.:11
C-1
46
Increase the chroma fsc frequency from 3.579545MHz-1000Hz and
measure the frequency at which the VCO locks.
C-1
46
Measure each part of the output level and calculate the B-Y axis TINT:1000000
angle.
C-1
46
Measure each part of the output level and calculate the B-Y axis TINT:1111111
angle.
TINT+ =B-Y axis angle –TINCEN
C-1
46
Measure each part of the output level and calculate the B-Y axis TINT:0000000
angle.
TINT- =B-Y axis angle –TINCEN
R-Y IN:C-6 Measure the output amplitude.
48
(B-Y IN:no signal)
CbCr IN: 1
Color Sys:101
Cross B/W: 01
B-Y IN:C-6 Measure the output amplitude.
46
(R-Y IN:no signal)
CbCr IN: 1
Color Sys: 101
Cross B/W: 01
Input signal A A and B of the output amplitude are measured.
46
MVBY=A
Input signal A C and D of the output amplitude are measured.
48
MVRY=C
Color..Sys:110
Y Filter.Sys:111
Color..Sys:110
Y Filter.Sys:111
It calculates by the next expression.
MRATRB=MVBY/MVRY
Color..Sys:110
Y Filter.Sys:111
It calculates by the next expression.
MLINBY=(A/B)*(156/460)*100
Input signal A _{It calculates by the next expression.}
MLINRY=(C/D)*(90/560)*100
Input signal A _{Amplitude (=A) of the input signal when the input signal is reduced, and Color..Sys:110}
46
DA5 [SEC.KIL]=1 and output amplitude B become 75mVp-p or less is Y Filter.Sys:111
measured.
46 ^{Input signal B Output voltage A1 is measured, output voltageA2 at SEC.KIL.ON:1}
o'clock is measured, and it requests it by the next expression.
Color..Sys:110
SEC.KIL,ON:1
MWBBY=A1-A2
46
Input signal B _{Output voltage B1 is measured, output voltage B2 at SEC.KIL.ON:1}
o'clock is measured, and it requests it by the next expression.
MWBRY=B1-B2
Color..Sys:110
Y Filter.Sys:111
SEC.KIL.ON:1
No.A1938-24/47