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參數(shù)資料
| 型號(hào)： | AN12943A |
| 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)： | 18/32頁 |
| 文件大?。?/td> | 501K |
| 代理商： | AN12943A |
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18
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.
We change an audio signal automatic
detection function in on/off. In case of
automatic detection off, it controls power
saving by speaker with the manual with
the power saving on/off pin.
High: Function on
Low: Function off
The entry
impedance
:
The
high impedance
Signal automatic
detection
function
on/off control
pin
DC:
49
It is the pin which controls power saving
by the speaker amplifier. At the time of
on in addition to the control in case of
automatic distinction function off, too,
power saving on by pin 47, pin 50 has
priority over.
The range under
about 1.5 V.
The entry
impedance
:
The
high impedance
The range over
about 1.5 V.
The entry
impedance
:
About
100 k
SP amplifier
power saving
on/off control
pin
DC:
50
Impedance
Description
Inner circuit
Waveform
and voltage
Pin
No.
49
V
(4.5 V)
10k
100k
275k
55k
10k
V
SS
(
2.6
V)
100k
300k
V
SS
(
50
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