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參數(shù)資料
| 型號(hào)： | LA9520V |
| 元件分類： | 消費(fèi)家電 |
| 英文描述： | SPECIALTY CONSUMER CIRCUIT, PDSO36 |
| 封裝： | SSOP-36 |
| 文件頁數(shù)： | 6/12頁 |
| 文件大?。?/td> | 144K |
| 代理商： | LA9520V |
No. 6469-3/12
LA9520V
Continued from preceding page.
Parameter
Symbol
Conditions
Ratings
Unit
min
typ
max
[Audio Block] * Audio block initial output is adjusted with the pin 9 input.
Audio left channel
For a 4.3 MHz,
f = ±22.5 kHz, fm = 400 Hz input,
Output adjustment voltage
VacontL
the pin 14 adjustment voltage such that the pin 20 output
0.05
1.15
Vdc
is 30 mV rms. VIN = 80 dB, Test pin: 14
Audio right channel
For a 4.8 MHz,
f = ±22.5 kHz, fm = 400 Hz input,
Output adjustment voltage
VacontR
the pin 15 adjustment voltage such that the pin 21 output
0.05
1.15
Vdc
is 30 mV rms. VIN = 80 dB, Test pin: 15
Audio right channel
After reference output adjustment, the pin 21 demodulator
demodulator output
VdemR 75 kHz output when the input to pin 26 is 4.8 MHz ±75 kHz,
0.6
0.9
1.2
Vrms
fm = 1 kHz, VIN = 80 dB, Test pin: 21
Audio left channel
After reference output adjustment, the pin 20 demodulator
demodulator output
VdemL 75 kHz output when the input to pin 28 is 4.3 MHz ±75 kHz,
0.6
0.9
1.2
Vrms
fm = 1 kHz, VIN = 80 dB, Test pin: 20
Audio left channel amplifier
The total amplifier gain (after output level adjustment)
output
GvampL
from the pin 23 input to the pin 20 output.
10
dB
VIN = 100 mVrms, f = 400 Hz., Test pin: 20
Audio right channel amplifier
The total amplifier gain (after output level adjustment)
output
GvampR
from the pin 16 input to the pin 21 output.
10
dB
VIN = 100 mVrms, f = 400 Hz., Test pin: 21
The frequency characteristics (after output level
Audio amplifier frequency
FA-AMP L
adjustment) from pin 23 to pin 20. The frequency such
15
kHz
characteristics (L)
that the level is down –3 dB from the output reference at
f = 400 Hz, Test pin: 20
The frequency characteristics (after output level
Audio amplifier frequency
FA-AMP R
adjustment) from pin 16 to pin 21. The frequency such
15
kHz
characteristics (R)
that the level is down –3 dB from the output reference at
f = 400 Hz, Test pin: 21
Left channel total harmonic
The left channel distortion when a 4.3 MHz,
f = ±22.5 kHz,
distortion
THDL
fm = 1 kHz signal is input to pin 28.
1.0
3
%
VIN = 80 dB, Test pin: 20
Right channel total harmonic
The right channel distortion when a 4.8 MHz,
f = ±22.5 kHz,
distortion
THDR
fm = 1 kHz signal is input to pin 26.
1.0
3
%
VIN = 80 dB, Test pin: 21
With no modulation, the standard output reference
Left channel output noise
VNLch
signal-to-noise ratio
45
55
dB
voltage
IHFA filter, the LA9520V independent signal-to-noise ratio,
VIN = 80 dB, Test pin: 20
With no modulation, the standard output reference
Right channel output noise
VNRch
signal-to-noise ratio
45
55
dB
voltage
IHFA filter, the LA9520V independent signal-to-noise ratio,
VIN = 80 dB, Test pin: 21
[Muting Block]
Audio muting operating input
With no carrier input, the value of the voltage adjusted to
level 1
mute the audio output.
(Muting level adjustment
Vmcont1
* With an external 30 dB amplifier connected to pin 9.
0.05
1.05
Vdc
voltage)
Rg = 4.7 k
Test pin: 13
Video muting operating input
With no carrier input, the value of the voltage adjusted to
level 2
mute the audio output.
(Muting level adjustment
Vmcont2
* With an external 30 dB amplifier connected to pin 9.
0.05
1.05
Vdc
voltage)
Rg = 4.7 k
Test pin: 12
Muted signal output
VmuteL
The pin 29 output when the muting function is off.
0.5
Vdc
Low level
Test pin: 29
Muted signal output
VmuteH
The pin 29 output when the muting function is on.
VCC – 1
Vdc
High level
Test pin: 29
Noise detection voltage level
VDET
The pin 11 voltage with no carrier input.
3.0
Vdc
With an external 30 dB amplifier connected to pin 9.
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