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參數(shù)資料
| 型號： | LA7458W |
| 元件分類： | 消費家電 |
| 英文描述： | SPECIALTY CONSUMER CIRCUIT, PQFP64 |
| 封裝： | 10 X 10 MM, SQFP-64 |
| 文件頁數(shù)： | 17/22頁 |
| 文件大?。?/td> | 244K |
| 代理商： | LA7458W |
LA7458W
No.A0642-4/22
Ratings
Parameter
Symbol
Input
point
Test
point
Conditions
min
typ
max
Unit
Bandpass filter frequency
characteristics
1.00MHz/1.50MHz
BFM100
6
8
VIN = 15.0mVp-p, f = 1.00MHz
-35
-31
dB
Bandpass filter frequency
characteristics
1.20MHz/1.50MHz
BFM200
6
8
VIN = 15.0mVp-p, f = 1.20MHz
-34
-30
dB
Bandpass filter frequency
characteristics
1.30MHz/1.50MHz
BFM130
6
8
VIN = 15.0mVp-p, f = 1.30MHz
-15.5
-14.5
dB
Bandpass filter frequency
characteristics
1.40MHz/1.50MHz
BFM140
6
8
VIN = 15.0mVp-p, f = 1.40MHz
-6
-4
-2
dB
Bandpass filter frequency
characteristics
1.60MHz/1.50MHz
BFM160
6
8
VIN = 15.0mVp-p, f = 1.60MHz
-6
-4
-2
dB
Bandpass filter frequency
characteristics
1.70MHz/1.50MHz
BFM170
6
8
VIN = 15.0mVp-p, f = 1.70MHz
-14.0
-13.0
dB
Bandpass filter frequency
characteristics
1.80MHz/1.50MHz
BFM180
6
8
VIN = 15.0mVp-p, f = 1.80MHz
-23
-19
dB
Bandpass filter frequency
characteristics
2.00MHz/1.50MHz
BFM200
6
8
VIN = 15.0mVp-p, f = 2.00MHz
-23
-19
dB
LP/SP Bandpass filter
input/output gain difference
GBLPSP
6
8
VIN = 2.5mVp-p, f = 1.50MHz, LP/SP
1
2
3
dB
Playback FM demodulation
output voltage
VBLPL
6
2
Vc =15mVp-p
1.5MHz, DEV = 60kHz, fm = 400kHz
-9
-7
-5
dBs
Playback FM demodulation
output distortion
THBLPL
6
2
Vc =15mVp-p
1.5MHz, DEV = 60kHz, fm = 1kHz
0.2
0.4
%
Playback FM demodulation
output noise
VNRP
6
2
Vc =15mVp-p
1.5MHz, DEV = 0kHz, SP mode
-80
-74
dBs
Self record-playback level
VBRP
The difference between the EE mode line output
level and the self record/playback output level
-0.5
0
0.5
dB
Dropout detection on level
DODON
6
7
Vc = 15mVp-p is set to 0dB
fc = 1.5MHz, SP mode
-15
-12
-9
dB
Dropout detection off
hysteresis
DODOFF
6
7
The difference with DODON when Vc = 15mVp-p
is set to 0dB.
3
5
7
dB
Muting on time
TMTON
6
7
260
340
430
μs
Muting release time
Muting hold time (NTSC)
TMIOFF
6
7
The muting hold time when muting is released
130
150
170
ms
Hold start time
THOSL
6
7
The time from PG input to hold start.
1.0
1.5
2.0
μs
Hold complete time
THOFL
6
7
The time from PG input to hold termination.
8.5
10.0
11.5
μs
Serial/parallel switching
Hold voltage - serial mode
V48SI
2.8
VCC1V
Serial/parallel switching
Hold voltage - parallel mode
V48PA
Parallel when open
0
2.0
V
SP/LP switching
Hold voltage - SP mode
V48SP
SP when open
1.6
2.0
V
SP/LP switching
Hold voltage - LP mode
V48LP
0
0.8
V
NTSC/PAL switching
Hold voltage - NTSC
V55NT
2.0
VCC2V
NTSC/PAL switching
Hold voltage - PAL
V55PA
PAL when open
0
1.0
V
Line mute switching
Hold voltage - Mute on
V46MO
2.5
VCC2V
Line mute switching
Hold voltage - Mute off
V46MF
Mute off when open
0
1.0
V
Playback/record switching
Hold voltage - Playback mode
V54PB
2.5
VCC2V
Continued on next page.
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