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參數(shù)資料
| 型號： | LA4590W |
| 元件分類： | 音頻／視頻放大 |
| 英文描述： | 0.021 W, 2 CHANNEL, AUDIO AMPLIFIER, PQFP48 |
| 封裝： | 0.50 MM PITCH, SQFP-48 |
| 文件頁數(shù)： | 15/19頁 |
| 文件大小： | 538K |
| 代理商： | LA4590W |
Pin Functions and Equivalent Circuits (VCC = 1.2 V)
No. 4468-5/19
LA4590W
Continued on next page.
Pin No.
Symbol
VDC (V)
Equivalent circuit
Pin function
1
R.F OUT 1
1.13
45
R.F OUT 2
2
POWER OUT1
7
POWER OUTC
0.6
13
POWER OUT2
3
POWER NF REF1
9
POWER NF REFC
0.75
12
POWER NF REF2
4
POWER NF1
8
POWER NFC
0.75
11
POWER NF2
5
POWER H.P1
0.75
10
POWER H.P2
14
L.P2
0.75
R.F OUT1 can be switched on/off: on when pin
43 is at ground.
The output spans (pin 2 to pin 7, and pin 13 to
pin 7) are connected by 160
resistors.
Used as the power NF connections.
Power NF pins
Connected to Vref through a 1 k
resistor
when low boost is on, i.e., when pin 41 is
floating.
Low boost secondary low pass pin
Unit (resistance:
, capacitance: F)
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