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LA7386 Datasheet(PDF) 3 Page - Sanyo Semicon Device

Part No. LA7386
Description  NTSC Video Signal Processing LSI for VCRs
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Maker  SANYO [Sanyo Semicon Device]
Homepage  http://www.ssdc-jp.com/eng/
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Parameter
Symbol
Conditions
min
typ
max
Unit
REC YNR operation
EP/LP (1)
VR-YNR1
Measure the YNR addition level at T2 with VIN =
standard color bar signal 1 Vp-p and S30 = off
10
12
14
mV
REC YNR operation
EP/LP (2)
VR-YNR2
Measure the YNR addition level at edit mode T2
with VIN = standard color bar signal 1 Vp-p and
S30=off
234
mV
Pre-CCD LPF
frequency characteristics (1)
GPFIL1
Input a standard multiburst signal (1 Vp-p) and
measure the 4 MHz response for 500 kHz at T11
–0.5
0
+0.5
dB
Pre-CCD LPF
frequency characteristics (2)
GPFIL2
10 MHz response for 500 kHz at T11 when
VIN = standard multiburst signal 1 Vp-p and
S30=off
–10
–8
–6
dB
3MLPF
frequency characteristics (1)
G3MLP1
1 MHz response for 500 kHz at T2 when VIN =
standard multiburst signal 1 Vp-p and S30 = off
–0.5
0
+0.5
dB
3MLPF
frequency characteristics (2)
G3MLP2
2 MHz response for 500 kHz at T2 when VIN =
standard multiburst signal 1 Vp-p and S30 = off
–1
0
+1
dB
3MLPF
frequency characteristics (3)
G3MLP3
3 MHz response for 500 kHz at T2 when VIN =
standard multiburst signal 1 Vp-p and S30 = off
–10
–8
–6
dB
3MLPF
frequency characteristics (4)
G3MLP4
3.58 MHz response for 500 kHz at T2 when
VIN = standard multiburst signal 1 Vp-p and
S30=off
–30
dB
3MLPF
frequency characteristics (5)
G3MLP5
4.2 MHz response for 500 kHz at T2 when
VIN = standard multiburst signal 1 Vp-p and
S30=off
–15
dB
FM modulator output level
VFM
No input, use VR36 to adjust output frequency to
4 MHz, measure output level
0.89
1.0
1.12
Vp-p
FM modulator
secondary distortion
HMOD
Ratio of 8 MHz component to 4 MHz in the above
state
–40
–35
dB
FM modulator
modulation sensitivity
SMOD
Measure amplitude of change in output frequency
when 2.6 V DC or 3.1 V DC is applied to T3,
2 x (f3.1 – f2.6)
1.6
2.0
2.4
MHz/V
FM modulator linearity
LMOD
Measure output frequency when 2.85 V DC
applied to T3, f2.85
LMOD =
f2.85 – (f3.1 + f2.6)/2
f3.1 – f2.6
x 100
–3
0
+2
%
1/2 fH carrier shift 1
CS1
Measure amplitude of change in output frequency
when SW35B is from on to off and SW35A is off
6.8
7.8
9.5
kHz
1/2 fH carrier shift 2
CS2
Measure amplitude of change in output frequency
when SW35A is on and SW35B is switch from on
to off
6.8
7.8
9.5
kHz
Emphasis gain
GEMP
VIN = 0.5 mVp-p 10 kHz sine wave
Measure ratio of levels of input and output
amplitude at T4
–0.5
0
+0.5
dB
Detail enhancer characteristics
(1)
GENH1
VIN = 158 mVp-p 2 MHz sine wave
Measure ratio of levels of T4 and T3, difference
with GEMP
1.6
1.9
2.6
dB
Detail enhancer characteristics
(2)
GENH2
VIN = 50 mVp-p 2 MHz sine wave
Measure ratio of levels of T4 and T3, difference
with GEMP
3.1
4.1
5.1
dB
Detail enhancer characteristics
(3)
GENH3
VIN = 15.8 mVp-p 2 MHz sin wave
Measure ratio of levels of T4 and T3, difference
with GEMP
5.3
6.3
7.3
dB
Detail enhancer characteristics
(4)
GENH4
VIN = 15.8 mVp-p 2 MHz sine wave
Measure output amplitude at T4 in edit mode,
difference with GEMP
2.9
3.9
4.9
dB
Nonlinear emphasis
characteristics (1)
GNLEMP1
VIN = 500 mVp-p 2 MHz
Measure ratio of levels of T4 and T3, difference
with GEMP
0.5
1.4
2.3
dB
Nonlinear emphasis
characteristics (2)
GNLEMP2
VIN = 158 mVp-p 2 MHz
Measure ratio of levels of T4 and T3, difference
with GEMP
2.6
3.8
5.2
dB
Continued on next page.
LA7386
No.5472 - 3/13




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