LA1833N 데이터 시트보기 (PDF) - SANYO -> Panasonic

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LA1833N

System-on-Chip Tuner IC for Home Stereo Systems

SANYO -> Panasonic 

Continued from preceding page.

Pin No.

Pin

Voltage (V)

LA1833N, 1833NM

Functional description

Phase comparator

filter connection

11

Also functions as the

FM/AM switching

input

VCC – 1.0

The IC switches to AM mode if a current in

excess of 200 µA flows from this pin

Pilot detector filter

connection

12

Also functions as the

forced mono setting

Also functions as the

VCO stop control

VCC – 1.0

The IC switches to forced mono mode if a

current in excess of 50 µA flows from this

pin.

The VCO circuit is stopped if a current in

excess of 200 µA flows from this pin.

13

Left output

14

Right output

1.8

The output impedance, ro, is 3.3 kΩ

15

Pilot canceller output

Vreg

16

Decoder input

Vreg

Inverting input

RNF = 20 kΩ

17

PLL input

Vreg

The input impedance, ri, is 20 kΩ

18 FM demodulator output

Vreg

The output impedance, ro, is 2.3 kΩ.

The separation can be adjusted by

changing the value of the capacitor

connected between this pin and ground.

19

AM detector output

0 (FM)

1.5 (AM)

The output impedance, ro, is 10 kΩ

Equivalent circuit

11

ILA00227

12

ILA00228

13

( 14 )

ILA00229

15

3

16

17

ILA00230

RNF

ILA00231

ILA00232

18

100V

ILA00233

19

ILA00234

Continued on next page.

No. 6568-4/10

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