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参数资料
| 型号： | LA71730EM |
| 厂商： | SANYO SEMICONDUCTOR CO LTD |
| 元件分类： | 消费家电 |
| 英文描述： | SPECIALTY CONSUMER CIRCUIT, PQFP100 |
| 封装： | 14 X 20 MM, QFP-100 |
| 文件页数： | 2/19页 |
| 文件大小： | 819K |
| 代理商： | LA71730EM |
LA71730EM
No.7951-10/47
Continued from preceding page.
Input signal
Input/Output point
Ratings
Parameter
Symbol
Signal
Level
In
Out
Conditions
min
typ
max
Unit
PB chroma video
output level.
NTSC SP
VOPNTB
SG6
DC
SG4
(NT)
300
3.5V
C : 100
D : 125
T79A
T21B
T65
Input a chroma signal that is a lower frequency
converted chroma noise test signal (SP mode,
burst 100mVp-p) to T21B. Input a FM signal
300mVp-p to T79A.
Measure the burst level on T65.
500
580
660
mVp-p
Burst de-emphasis
NTSC SP
NSPBD
SG6
DC
SG4
SG5
(3.58M)
300
3.5V
C : 100
D : 125
100
T79A
T21B
T39A
T25
Input a chroma signal that is a lower frequency
converted chroma noise test signal (SP mode,
burst 100mVp-p) to T21B. Input a FM signal
300mVp-p to T79A.
Calculate the ratio of T25 burst period output
level and the output level during other periods.
-5.5
-5
-4.5
dB
XO1 oscillation level
NTSC
NXO1
T31
In PB mode, measure the output level on T31
with an FET probe.
300
450
700
mVp-p
PB XO oscillator
frequency deviation
NTSC MODE
FXON
T31
In PB mode, let f be the measured frequency
on T31.
FXON = f - 3579545 (Hz)
-7
0
7
Hz
REC/PB Mode Audio
Input signal
Input/Output point
Ratings
Parameter
Symbol
Signal
Level
In
Out
Conditions
min
typ
max
Unit
LINE AMP Voltage
gain
VGLR1
SG5
1kHz
-28dBm
T13A
T15A
T17A
T11A
23.4
23.9
24.2
dB
LINE AMP Output
level when ALC
VOA
SG5
1kHz
-25dBm
T13A
T11A
-4.8
-3.8
-2.8
dBm
LINE AMP Distortion
when ALC
THDA
SG5
1kHz
-25dBm
T13A
T11A
0.01
0.1
0.5
%
LINE AMP ALC effect
ALCE
SG5
1kHz
-5dBm
T13A
T11A
0.0
0.5
3.0
dB
MUTE attenuation
MEE
MPB
SG5
1kHz
-5dBm
T13
/T15
T17
/T9
T11A
AD-MUTE is High
80
90
120
dB
Current dissipation
(REC)
ICCRA
No-
Signal
T18A
10
12
14
mA
REC AMP Voltage
gain 1
VGR1
SG5
1kHz
-30dBm
T13A
T11A
T100A
Confirm the different level between T11A and
T100A
3.5
4
4.5
dB
REC AMP Distortion
ratio
THDR
SG5
1kHz
-30dBm
T13A T100A
0.01
0.1
0.5
%
REC AMP Maximum
output voltage
VOMR
SG5
1kHz
-5dBm
T13A T100A
0.01
0.3
1
%
Voltage conversion
recording bias current
VBIAS
No-
Signal
T3
Each head is typical impedance.
270
300
330
mVrms
Current dissipation
(PB)
ICCPA
No-
Signal
T18
7
9
11
mA
LINE AMP Voltage
gain (PB)
VGLP
SG5
1kHz
-28dBm
T9A
T11A
22.9
23.4
23.9
dB
LINE AMP Distortion
ratio (PB)
THDL
SG5
1kHz
-28dBm
T9A
T11A
0.01
0.1
0.3
%
LINE AMP Maximum
output voltage (PB)
VOML
SG5
1kHz
-23dBm
T9A
T11A
Output voltage is over 0.8V, also output
distortion is under 1%
0.01
0.1
1
%
PB attenuation level
(-7dB)
PBAT7
SG5
1kHz
-28dBm
T9A
T11A
-6
-7
-8
dB
LINE AMP Output
noise voltage (PB)
VNOL
R = 1k
T9A
T11A
Filter : DIN-AUDIO (= UNWEIGHTED)
100
200
300
Vrms
PB Input conversion
noise voltage
VNIE
R = 600
T5A
T11A
Filter : DIN-AUDIO (= UNWEIGHTED)
0.1
1
2
Vrms
EQ AMP open loop
gain
VGSPB1
SG5
1kHz
-68dBm
T5A
T8A
58
64
70
dB
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