參數(shù)資料
型號(hào): LA74310LP
元件分類(lèi): 消費(fèi)家電
英文描述: SPECIALTY CONSUMER CIRCUIT, QCC40
封裝: 5 X 5 MM, VQLP-40
文件頁(yè)數(shù): 6/22頁(yè)
文件大小: 221K
代理商: LA74310LP
LA74310LP
No.A0904-14/22
Continued from preceding page.
Pin No.
Pin Name
DC voltage
AC voltage
Description of functions
Equivalent circuit diagram in pin
12
VREFL
2.30V
MIC VCC and VREFL ripple
rejection pin
13
NC
NC pin
14
SP GND
0V
Speaker GND pin
15
SPK OUT+
1.27V
At PB reference input
Output level = -8dBV
(EVR MAX)
Speaker positive-phase output
pin
16
VCCSP
3.3V
Speaker power pin
17
20
SP OUT-
SPK IN
1.27V
At PB reference input
Output level = -8dBV
(EVR MAX)
At PB reference input
Output level = -8dBV
(EVR MAX)
Pin for output of speaker reversed
phase
Speaker input pin
18
SP GND
0V
Speaker GND pin
19
NC
NC pin
21
MIX OUT
1.58V
At PB reference input
Output level = -8dBV
EVR output pin
22
BEEP IN
1.64V
Maximum input level
= -8dBV
Continued on next page.
VCCA(=3.0V)
500
Ω
200k
Ω
400
Ω
12
10k
Ω
10.7k
Ω
15
17
VCCSP(=3.3V)
10k
Ω 11kΩ
17
VCCSP(=3.3V)
20
400
Ω
35k
Ω
21
3.9k
Ω
VREFL
VCCA(=3.0V)
VREFL
2k
Ω
2k
Ω
VCCA(=3.0V)
22
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