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参数资料
| 型号： | LA1845NM |
| 元件分类： | 接收器 |
| 英文描述： | AM/FM, AUDIO SINGLE CHIP RECEIVER, PDSO24 |
| 封装： | MFP-24 |
| 文件页数： | 7/10页 |
| 文件大小： | 190K |
| 代理商： | LA1845NM |
Continued from preceding page.
No. 5888-6/10
LA1845N, 1845NM
Pin No.
Pin function
Pin voltage
Notes
Equivalent circuit
Vreg
AFC
22
The FM SD bandwidth can be adjusted with the
external resistor connected between this pin and
pin 3 (Vreg)
22
Vreg
AM RF input
21
Must be used at the same potential as pin 22
21
A10653
Vcc
OSC
23
Connect the oscillator coil between this pin and
pin 9 (Vcc)
Note: Impedance of the secondary oscillator coil
must be 5 k
or higher.
23
A10655
Vcc - 1.4
Oscillator buffer
output,
FM SD sensitivity
adjustment
24
The FM SD sensitivity can be adjusted with an
external resistor connected to this pin.
Output impedance ro = 200
Note: Resistance of the external resistor
connected to the pin 24 must be 3.3 k
or higher.
24
A10656
R
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