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參數資料
| 型號： | LA71521M |
| 元件分類： | 消費家電 |
| 英文描述： | SPECIALTY CONSUMER CIRCUIT, PQFP80 |
| 封裝： | QFP-80 |
| 文件頁數： | 24/25頁 |
| 文件大小： | 325K |
| 代理商： | LA71521M |
LA71521M
No. 5842-8/25
VGLP
VGLR
THDL
VNOL
VOML
VOA
ALC
THDA
MPB
MA1
MA2
MA3
VGOE
VNIE
VGR
THDR
VOMR
VBIAS
VCTL
VIN = –30 dBV
VIN = –66 dBV
VIN = –20 dBV
min
typ
max
[REC/PB mode]
LINE AMP voltage gain (PB)
T11
T77
23.0
23.5
24.0
dB
LINE AMP voltage gain
T71
T77
23.0
23.5
24.0
dB
(A1, A2, A3)
T73
T75
LINE AMP distortion (PB)
T11
T77
0.1
0.4
%
LINE AMP
—
T77
Rg = 1 k
, DIN audio filter
–74.0
–70.5
dBV
Output noise voltage (PB)
LINE AMP
T11
T77
Output voltage for 1% THD
1.0
1.2
Vrms
Maximum output voltage (PB)
Output voltage with
T73
T77
–28 dBV input to T73
–7
–6
–5
dBV
LINE AMP ALC
LINE AMP ALC effect
T73
T77
T73 input level reduced from –28 dBV to –8 dBV
0
1
3
dB
LINE AMP ALC distortion
T73
T77
–28 dBV input to T73
0.1
0.5
%
MUTE attenuation
T11
T71
T73
T75
EQ AMP open circuit voltage gain
T7
T10
58
64
dB
EQ AMP input converted noise
—
T10
Rg = 620
, DIN audio filter
1.0
1.8
Vrms
voltage
REC AMP voltage gain
T79
T1
14.0
14.5
15.0
dB
REC AMP distortion
T79
T1
0.1
0.4
%
REC AMP
T79
T1
Output voltage for 1% THD
1.0
1.2
Vrms
Maximum output voltage
REC BIAS voltage
—
T3
Head impedances must be in the middle of the range.
297
330
363
mVrms
REC BIAS control voltage
—
T5
No-signal condition.
1.66
1.85
2.03
V
Parameter
T77
80
dB
T77
80
90
dB
Symbol
Input
Output
Conditions
Ratings
Unit
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