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參數(shù)資料
| 型號： | AN12943A |
| 廠商： | PANASONIC CORP |
| 元件分類： | 消費家電 |
| 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)： | 15/32頁 |
| 文件大小： | 501K |
| 代理商： | AN12943A |
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15
SDC00057AEB
AN12943A
Technical Data (continued)
y
Circuit diagrams of the input/output part and pin function descriptions (continued)
Note) The characteristics listed below are reference values based on the IC design and are not guaranteed.
It changes whether or not it makes
this IC an operation condition or
whether or not it makes it a standby.
Low: Standby
High: The operation condition
In that the power changes a connected
condition to the standby, the circuit
electric current can be almost made 0.
The range under
about 1.5 V.
The entry
impedance
:
About
210 k
The range over
about 1.5 V.
The entry
impedance
:
About
68 k
Standby on/off
changing SW
DC: 2.0 V
31
It is the output pin of the line amplifier.
Pin 29: L-channel output
Pin 30: R-channel output
The output
impedance
:
Equal
to or less than
about 10
Line out
AC:
9.17 dBV
DC: 2.25 V
29,
30
It enters a main audio signal.
Pin 27: R-channel entry
Pin 28: L-channel entry
The entry
impedance
:
About
25 k
Audio signal
input
DC: 2.25 V
AC:
10 dBV
27,
28
It is the output pin of DC voltage. It
outputs pin 20 (BV
REF
) input voltage.
The output
impedance
:
Equal
to or less than
about 10
Switch A-1
Switch A-2
Switch A-3
Switch B-1
Switch B-2
DC:
V
21,
22,
23,
24,
25
Impedance
Description
Inner circuit
Waveform
and voltage
Pin
No.
V
REG
(4.5 V)
Pin 21
22
23
24
25
V
SS
(
2.6 V)
V
REG
(4.5 V)
50k
Pin 27
28
V
SS
(
2.6 V)
35.4k
14.6k
V
REF
(2.25 V)
25k
31
100k
300k
V
SS
(
2.6 V)
V
REG
(4.5 V)
250k
100k
200k
V
SS
(
2.6 V)
V
CC
(5.0 V)
Pin 29
30
17.8k
32.2k
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