LA1844M datasheet(8/11 Pages) SANYO

部品番号	LA1844M

部品情報	For Home Stereo Single-chip Tuner IC

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メーカー	SANYO [Sanyo Semicon Device]

ホームページ	https://www.sanyo-av.com/us/

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8 / 11 page

LA1844,LA1844M

No.7930A-8/11

Continued from preceding page.

Pin No.

Function

Pin voltage

(V)

Equivalent circuit

Notes

21

AM RF input

Vreg

Must be used at the same potential as pin 22

22

AFC

Vreg

The FM SD bandwidth can be adjusted with the

external resistor connected between this pin and

pin 3 (REG)

23

OSC

VCC

Connect the oscillator coil between this pin and

pin 9 (VCC)

Note: Impedance of the secondary oscillator coil

must be 5k

Ω or higher.

24

Oscillator buffer

output,

FM SD sensitivity

adjustment

VCC-1.4

The FM SD sensitivity can be adjusted with an

external resistor connected to this pin.

Output impedance RO = 200Ω

Note: Resistance of the external resistor

connected to the pin 24 must be 3.3k

Ω

or higher.

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