LA1836 datasheet(5/13 Pages) SANYO

Numer części	LA1836

Szczegółowy opis	Single-Chip Home Stereo Electronic Tuning IC

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Producent	SANYO [Sanyo Semicon Device]

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5 / 13 page

Pin Functions

No. 4787-5/13

LA1836, 1836M

Pin No.

Function

Voltage

Internal equivalent circuit

Remarks

1

2

3

4

5

6

7

8

9

10

11

FM IF input

AM mixer output

FM IF input bypass

REG

AM IF input

GND

Tu – LED

ST – LED, AM – IF

output

FM detector

VCC

AM/FM IF buffer output,

output control SW

(muting switch)

VREG

VCC

VREG

0 V

VCC

0 V

Input impedance ri = 330 Ω

Also used for the AM noise filter

VREG = 3.6 V

Input impedance ri = 2 kΩ

Active low

Open collector

AM stereo IF output (pin 8)

Recommended detector coil: 600TEAS-8199Z

(Toko)

SA281

(Sumida)

The post-amplifier muting turns on for applied

voltages of 1.3 V and over.

The IF buffer output turns on at 4.0 V and over.

Recommended muting on control voltage: 1.9 V

Continued on next page.

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