參數(shù)資料
型號： LA71076SM
元件分類： 消費家電
英文描述： SPECIALTY CONSUMER CIRCUIT, PQFP100
封裝： 14 X 20 MM, QIP-100
文件頁數(shù)： 28/31頁
文件大?。?/td> 1098K
代理商： LA71076SM
LA71076SM
No.A0217-6/31
PB Mode Y
Ratings
Parameter
Symbol
In
Out
Conditions
min
typ
max
Unit
Current dissipation
(PB)
ICCP
Measure the sum of the currents flowing into pins 21, 54, 56,
57, 75, and 87.
160
170
180
mA
Dropout
compensation Period
1H for one horizontal
synchronization period
TDOC
T74A
T25A
T35
T74A: 4MHz 300mVp-p sine wave +3VDC
T25A: 0.5Vp-p video signal
The I/O response 5H after the T74A input is set to 0.
10.0
13.0
15.0
H
DOC characteristics
GDOC
T74A
T25A
T35
T74A: 4MHz 300mVp-p sine wave +3VDC
T25A: 0.5Vp-p video signal
The time from the instant when the T74A input level is set to 0
to the time point when the T35 output is restored.
-1.5
0
1.5
dB
PB Y level
V-YOUT
T74A
T35
DEV = 1.0MHz PB Y level when input FM signal is input.
2.00
2.10
2.20
Vp-p
Self R/P, PB-Y level
R/P-OUT
T74A
T35
Self R/P-Y, PB-Y level
1.93
2.10
2.27
Vp-p
FM demodulator
linearity
LDEM
T74A
T26
*VDEM4 = DC: T26 (Input 4MHz, 300mVp-p)
-3.5
0
+3.5
%
Carrier leakage
CL
T74
T26
Measure the ratio of the 4MHz component on T26 and SDEM.
-35
dB
PB YNR
characteristics
PYNR
T25A
T35
Measure the ratio of 32fH component and 32.5fH.
-8.5
-7.5
-6.5
dB
Nonlinear de-emphasis
characteristics (1)
*Serial-control
GNLDE1
T25A
T35
With VIN being a 50% white video f = 2MHz, 158mVp-p sine
wave, measure the I/O response.
-3.5
-2.5
-1.5
dB
Nonlinear de-emphasis
characteristics (2)
GNLDE2
T25A
T35
f = 2MHz, 50mVp-p
-6.0
-4.5
-3.0
dB
Double
noisecanceller
characteristics (1)
GWNC1
T25A
T35
f = 1.4MHz, 158mVp-p
3.5
-2.5
-1.5
dB
Double
noisecanceller
characteristics (2)
GWNC2
T25A
T35
f = 1.4MHz, 50mVp-p
-12
-10
-8
dB
Double
noisecanceller
characteristics (3)
GWNC3
T25A
T35
f = 1.4MHz, 15.8mVp-p
-15
-13
-11
dB
Sync separator
output level
VSYP
T25A
T34
With VIN being a 0.5Vp-p video signal, measure the output
pulse wave height on T34.
4.0
4.2
4.4
Vp-p
Sync separator
output pulse width
PWSYP
T25A
T34
With VIN being a 0.5Vp-p video signal, measure the output
pulse width on T34.
4.1
4.4
4.7
s
H-Sync output level
VHSYP
T25A
T33
With VIN being a 0.5Vp-p video signal, measure the output
pulse wave height on T33.
4.0
4.2
4.4
Vp-p
H-Sync output
pulse width
PWHSYP
T41
T33
With VIN being a 0.5Vp-p video signal, measure the output
pulse width on T33.
4.4
4.7
5.0
s
Sync tip level
Pedestal level
White level
LVOR
T25A
T35
With VIN being a 100% white 0.5 Vp-p signal, measure the
sync tip and pedestal and white levels on T35 video output, and
take these as LSYN, LPED, and LWHT, respectively.
Quasi-V insertion
level
VDP
T25A
T35
Measure the T35 DC voltage with 4.0V applied to T31, and take
this as LVDP, and calculate the difference from LSYN
measured above.
VDP = LSYN-LVDP
-100
0
100
mV
Quasi-H insertion
level
HDP
T25A
T35
Measure the T35 DC voltage with 3.0V applied to T31, and take
this as LHDP, and calculate the difference from LPED
measured above.
HDP = LPED-LHDP
-500
-400
-300
mV
White insertion
level
WHP
T25A
T35
Measure the T35 DC voltage with 2.0V applied to T31, and take
this as LWHP, and calculate the difference from LWHT
measured above.
WHP = LWHT-LWHP
500
600
700
mV
Edge insertion
level
EGP
T25A
T35
Measure the T35 DC voltage with 1.2V applied to T31, and take
this as LEGP, and calculate the difference from LPED
measured above.
WHP = LPED-LEGP
-500
-400
-300
mV
4V regulator
VREG
T65
Measure the T65 DC level.
3.9
4.0
4.3
V
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