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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)： | 10/31頁 |
| 文件大小： | 577K |
| 代理商： | AN12942B |
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10
SDC00047AEB
AN12942B
The sourcing current of the pin is indicated with “
+
”.
The range that a control voltage is held in low level :
Pin 33, pin 35, pin 37, pin 31, pin 32, pin 36, pin 49, pin 50 : 0 V
～
0.8 V
Pin 8
:
0 V
～
0.5 V
The range that a control voltage is held in high level :
Pin 33, pin 35, pin 37, pin 31, pin 32, pin 36, pin 49, pin 50 : 2.0 V
～
5.5 V
Pin 8
:
2.5 V
～
5.5 V
Pin 31, pin 32,pin 36,pin 49 and pin 50 builds in an input voltage limitation circuit.
In the case beyond the voltage of the input voltage limitation circuit, leakage current depends on inside resistance.
When resistance is connected to a pin, current decreases by the sum total of resistance and internal resistance.
Note) The characteristics listed above are reference values based on the IC design and are not guaranteed.
Control Terminal, The Leakage Current Table at V
CC
=
5.0 V, V
CC
_SP
=
5.0 V
Design reference value
Leakage current
About 125 k
About 170 k
The low holding range: High
impedance
The high holding range: About 80 k
The low holding range
:
High
impedance
The high holding range: About 80 k
Input impedance
+
50
μ
A
+
30
μ
A
+
80
μ
A
+
80
μ
A
I
iH-max
20
μ
A
20
μ
A
+
2
μ
A
+
2
μ
A
I
iL-max
At the time of AGC
=
on,
it changes on level.
8
Headphone mute on/off
37
Switch A
35
Switch B
33
Description
Pin No.
15 k
typ.
+
200
μ
A
+
5
μ
A
High
impedance
+
1
μ
A
1
μ
A
Speaker power save
on/off
50
Leakage current
Leakage current
85 k
typ.
+
20
μ
A
High
impedance
+
1
μ
A
+
1
μ
A
Signal automatic
detection feature on/off
49
16 k
typ.
+
200
μ
A
+
40
μ
A
High
impedance
+
1
μ
A
1
μ
A
Headphone power save
on/off
36
45 k
typ.
+
50
μ
A
High
impedance
+
1
μ
A
+
1
μ
A
Standby on/off
32
25 k
typ.
+
100
μ
A
High
impedance
+
1
μ
A
+
1
μ
A
Line mute on/off
31
Input impedance
I
iH-max
I
iL-max
Input impedance
I
iH-max
I
iL-max
In the case beyond the voltage of the
input voltage limitation circuit
In the case of less than the voltage of
the input voltage limitation circuit
Description
Pin No.
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