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參數(shù)資料
| 型號(hào)： | AN12942B |
| 廠商： | PANASONIC CORP |
| 元件分類： | 消費(fèi)家電 |
| 英文描述： | Audio signal processing IC for notebook PC |
| 中文描述： | SPECIALTY CONSUMER CIRCUIT, PDSO56 |
| 封裝： | 0.300 INCH, PLASTIC, HSOP-56 |
| 文件頁數(shù)： | 8/31頁 |
| 文件大小： | 577K |
| 代理商： | AN12942B |
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8
SDC00047AEB
AN12942B
Electrical Characteristics at V
CC
=
5.0 V, V
CC
_SP
=
5.0 V (continued)
Note) T
a
=
25
°
C
±
2
°
C unless otherwise specified.
dBV
87
105
Rg = 1 k
,
A curve filter
1
VNLL
Output noise L-channel
49
dBV
87
105
1
VNLR
Output noise R-channel
50
Automatic signal detection part :
L-channel, R-channel_input (pin 28, pin 27)
→
Signal detection preamplifier output (pin 12)
V
0.8
GND
1
SPSON
Speaker power save on
67
V
5.5
2.0
1
HPSOF
Headphone power save off
66
V
0.8
GND
1
HPSON
Headphone power save on
65
V
5.5
2.0
1
HMUOF
Headphone mute off
64
V
5.5
2.0
1
LMUOF
Line mute off
72
V
0.8
GND
1
LMUON
Line mute on
71
V
5.5
2.0
1
STOF
Standby off
70
V
0.8
GND
1
STON
Standby on
69
V
5.5
2.0
1
SPSOF
Speaker power save off
68
dB
84
60
V
IN
=
10 dBV, R
L
= 10 k
f
=
10 kHz, A curve filter
1
CTLLLR
Cross talk in L-channel
51
dB
84
60
1
CTLLRL
Cross talk in R-channel
52
dB
87
70
V
IN
=
10 dBV, R
L
= 10 k
f
=
1 kHz, A curve filter
1
VMUHL
Mute attenuation quantity L-channel
53
dB
87
70
1
VMUHR
Mute attenuation quantity R-channel
54
Speaker AGC part :
Speaker_input (pin 44, pin 45)
→
Speaker_output (pin 2 to pin 5, pin 52 to pin 55)
dBV
7.5
6.0
4.5
V
IN
=
3.0 dBV, f
=
1 kHz,
R
L
= 8
1
VAGSPL
Speaker amplifier output level
L-channel AGC-on1
55
dBV
7.5
6.0
4.5
1
VAGSPR
Speaker amplifier output level
R-channel AGC-on1
56
dBV
8.5
7.0
5.5
1
VAGSP1L
Speaker amplifier output level
L-channel AGC-on2
57
dBV
8.5
7.0
5.5
1
VAGSP1R
Speaker amplifier output level
R-channel AGC-on2
58
dBV
7
10
13
V
IN
=
33 dBV, f
=
1 kHz
Vol
=
1.65 V (typ)
1
VSDTL
Preamplifier output voltage level
L-channel entry
59
dBV
7
10
13
1
VSDTR
Preamplifier output voltage level
R-channel entry
60
dBV
53
58
63
V
IN
=
1 kHz
Vol
=
1.65 V (typ)
1
VSDTTHL
Signal detection limit entry voltage
level L-channel
61
dBV
53
58
63
1
VSDTTHR
Signal detection limit entry voltage
level R-channel
62
Switch switching-over voltage level
V
0.8
GND
1
HMUON
Headphone mute on
63
Line amplifier part
(
continued
)
:
L-channel, R-channel_input (pin 28, pin 27)
→
Headphone_output (pin 29, pin 30)
Limits
Typ
Unit
Max
Test
circuits
Note
Min
Conditions
Symbol
Parameter
B
No.
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