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參數資料
| 型號： | LA7477W |
| 廠商： | SANYO SEMICONDUCTOR CO LTD |
| 元件分類： | 消費家電 |
| 英文描述： | SPECIALTY CONSUMER CIRCUIT, PQFP48 |
| 封裝： | 7 X 7 MM, SQFP-48 |
| 文件頁數： | 6/12頁 |
| 文件大小： | 129K |
| 代理商： | LA7477W |
LA7477W
No.5775-3/12
Continued from preceding page.
Ratings
Parameter
Symbol
Conditions
min
typ
max
Unit
Maximum input level
VIN max
ALC-ON, VIN (MIC, LINE1, 2)
at LINE OUT THD = 1%
-5
dBV
Line maximum output level
VOL max
ALC OFF at LINE OUT THD = 1%
2.5
3.5
dBV
Line muting attenuated output
VOMUTE
VIN (MIC) = -25dBV, JIS-A FILTER
-75
-73
dBV
Fader output at maximum
attenuation
VOFADE
VIN (MIC) = -40dBV, JIS-A FILTER
-71
dBV
Record first-order low-pass filter
frequency characteristics 1
VRLPF1
VIN (MIC) = -40dBV, the 20kHz/1kHz ratio
-0.5
-1.0
dB
Record first-order low-pass filter
frequency characteristics 2
VRLPF2
VIN (MIC) = -40dBV, the 200kHz/1kHz ratio
-3.5
-5.0
dB
VIN (LINE1, 2) = -30dBV, MIC IN MODE,
Rg = 1k, JIS-A FILTER
-75
-71
dBV
VIN (MIC) = -40dBV, VIN (LINE1) = -30dBV, LINE2
IN MODE, Rg = 1k, JIS-A FILTER
-85
-81
dBV
Inter-input crosstalk
INCR
VIN (MIC) = -40dBV, VIN (LINE2) = -30dBV, LINE1
IN MODE, Rg = 1k, JIS-A FILTER
-85
-81
dBV
Headphone output level
VOHP
VIN (MIC) = -40dBV, EVR CENTER,
8
Ω termination for a 47+8Ω load.
-38
-35
-32
dBV
Headphone output left/right level
difference
VHPD
VIN (MIC) = -40dBV, EVR CENTER,
8
Ω termination for a 47+8Ω load.
0
±2dB
Headphone output harmonic
distortion (THD)
VOHPD
VIN (MIC) = -40dBV, EVR CENTER,
8
Ω termination for a 47+8Ω load.
0.2
0.5
%
EVR maximum fluctuation
EVR max
VIN (MIC) = -40dBV, EVR CENTER→MAX
10
12
dB
EVR minimum fluctuation
EVR min
VIN (MIC) = -40dBV, EVR CENTER→MIN
-70
-60
dB
Speaker output reference level
VOSP
VIN (MIC) = -40dBV, EVR CENTER
-21
-18
-15
dBV
Speaker output harmonic
distortion (THD)
VOSPD
VIN (MIC) = -40dBV, EVR CENTER
0.1
0.3
%
Playback line output level
VOPB
PBIN = -21dBV
-10.5
-10.0
-9.5
dBV
Playback third-order low-pass
filter frequency characteristics 1
VPLPF1
PBIN = -21dBV, the 20kHz/1kHz ratio
0
-1
dB
Playback third-order low-pass
filter frequency characteristics 2
VPLPF2
PBIN = -21dBV, the 50kHz/1kHz ratio
-5
-9
dB
CHCR1
VIN (MIC) = -40dBV, (Rch/Lch)
Rg = 1k (Lch/Rch), ALC-ON, LINE OUT,
JIS-A FILTER
-70
-68
dBV
CHCR2
VIN (MIC) = -40dBV, (Rch/Lch)
Rg = 1k (Lch/Rch), ALC-OFF, LINE OUT,
JIS-A FILTER
-76
-74
dBV
CHCR3
VIN (LINE1, 2) = -30dBV, (Rch/Lch)
Rg = 1k (Lch/Rch), ALC-ON, LINE OUT,
JIS-A FILTER
-80
-78
dBV
Inter-channel crosstalk
CHCR4
VIN (LINE1, 2) = -30dBV, (Rch/Lch)
Rg = 1k (Lch/Rch), ALC-OFF, LINE OUT,
JIS-A FILTER
-86
-84
dBV
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