参数资料
型号: LC898093KL
元件分类: 消费家电
英文描述: SPECIALTY CONSUMER CIRCUIT, PQFP208
封装: LQFP-208
文件页数: 5/14页
文件大小: 270K
代理商: LC898093KL
LA74320FN
No.A0905-13/14
Continued from preceding page.
PIN
Pin Name
DC voltage
AC voltage
Description of functions
Equivalent circuit diagram in pin
37
VREFSP
1.65V
SPK VREF and ripple rejection
pin
38
STANDBY L
STANDBY control pin
39
Lch HP OUT
1.5V
Reference output level
=-23.5dBV
Maximum output level
=-3dBV
Lch HP output pin
40
GND HP
0V
HP GND pin
41
Rch HP OUT
1.5V
Reference output level
=-23.5dBV
Maximum output level
=-3dBV
Rch HP output pin
42
VCCHP
3.0V
HP & receiver speaker power pin
43
Receiver (+)
OUT
1.5V
Reference output level
=-10dBV
(@ EVR=Max audio source
input =-30dBV)
Receiver speaker normal phase
output pin
44
NC
NC pin
400
Ω
37
VCCSP(L)
250k
Ω
2k
Ω
215k
Ω
38k
Ω
38
23k
Ω
2.6k
Ω
39
74
Ω
1.8k
Ω
VREF
VCCHP
2.6k
Ω
41
74
Ω
1.8k
Ω
VREF
VCCHP
20.5k
Ω
43
20k
Ω
VCCHP
2
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