參數資料
型號: LA74303FN
元件分類: 消費家電
英文描述: SPECIALTY CONSUMER CIRCUIT, QCC24
封裝: 4 X 4 MM, VQFN-24
文件頁數: 3/11頁
文件大小: 210K
代理商: LA74303FN
LA74303FN
No.A1181-11/18
Continued from preceding page.
Pin No.
Pin Name
DC voltage
AC voltage
Description of functions
Equivalent circuit diagram in pin
9
VCCA
3.0V
Power pin for analog signal part
10
PB IN
1.64V
Reference input level
=-15dBV
Maximum input level
= -5dBV
In analog input mode
= 3.465Vpp
In
ΔΣ input mode
PB input pin
11
A GND
0V
GND pin for analog signal part
12
REC OUT
1.50V
At PB reference input
Output level = -15dBV
REC output pin
13
ALC DET
ALC detection pin
14
ALC IN
1.64V
At MIC reference input
Output level = -49dBV
Max input level
=-10dBV
ALC input pin
15
MIC OUT
1.6V
At MIC reference input
Output level = -49dBV
MIC output pin
Continued on next page.
VCCA(=3.0V)
VREF
500
Ω
20k
Ω
3k
Ω
12
1k
Ω
500
Ω
VCCA(=3.0V)
13
500
Ω
VREF
50k
Ω
VCCA(=3.0V)
14
VCCA(=3.0V)
VREF
25k
Ω 15kΩ
10
10k
Ω
500
Ω
VCCA(=3.0V)
15
VREF
1k
Ω
9.7k
Ω
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