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参数资料
| 型号： | LC898093KW |
| 元件分类： | 消费家电 |
| 英文描述： | SPECIALTY CONSUMER CIRCUIT, PQFP208 |
| 封装： | 28 X 28 MM, SQFP-208 |
| 文件页数： | 3/14页 |
| 文件大小： | 270K |
| 代理商： | LC898093KW |
LA74320FN
No.A0905-11/14
Continued from preceding page.
PIN
Pin Name
DC voltage
AC voltage
Description of functions
Equivalent circuit diagram in pin
22
Rch SPK IN
1.65V
Reference output level
=-16dBV
(@Base band input)
=-21dBV
(@audio source input)
Maximum input level
=-10dBV
(@Base band input)
=-9dBV
(@audio source input)
Rch Speaker input pin
23
NC
NC pin
24
Rch SPK(-)OUT
1.65V
Reference output level
=-1dBV
(@audio source input
=-15dBV)
Rch speaker reverse phase
output pin
25
GND SPK(R)
0V
Rch speaker GND pin
26
Rch
SPK(+)OUT
1.65V
Reference output level
=-1dBV
(@audio source input
=-15dBV)
Rch speaker normal phase
output pin
27
VCC SP(R)
3.6V
Rch speaker power pin
28
NC
NC pin
29
VCC SP(L)
3.6V
Lch speaker power pin
30
Lch
SPK(+)OUT
1.65V
Reference output level
=-1dBV
(@audio source input
=-15dBV)
Lch speaker normal phase
output pin
Continued on next page.
22
VCCSP(R)
5k
Ω
25k
Ω
24
5k
Ω
VCCSP(R)
25k
Ω
24
22
VCCSP(R)
20.5k
Ω
26
20k
Ω
24
VCCSP(L)
20.5k
Ω
30
20k
Ω
32
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