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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)： | 16/32頁 |
| 文件大?。?/td> | 501K |
| 代理商： | AN12943A |
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16
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 is the inner power (V
SS
) pin to supply
the HP amplifier with the voltage. Also,
it is connected with the substrate
potential in the IC.
V
SS
DC:
2.6 V
38,
39
It is the condenser connection pin for
charge pump.
The output
impedance
:
Equal
to or less than
about 10
Capacitor
connect pin 2 for
charge pump
DC:
V
36
It is GND pin for charge pump.
It isn't connected with other GND pin in
the IC.
GND
DC: 0.0 V
35
It is the entry pin to enter beep signal.
The same signal is entered both by
L-channel and R-channel with the beep
signal mix amplifier of the following
paragraph.
The entry
impedance
:
About
200
Beep entry
DC: 2.25 V
AC:
3.3
V
PP
32
It is the condenser connection pin for
charge pump.
The output
impedance
:
Equal
to or less than
about 10
Capacitor
connect pin 1 for
charge pump
DC:
V
34
Impedance
Description
Inner circuit
Waveform
and voltage
Pin
No.
32
200
7.5k
V
REF
(2.25 V)
20k
V
SS
(
2.6 V)
34
GND
V
REGDIG
(2.7 V)
36
V
SS
(
2.6 V)
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