LA1836M Просмотр технического описания (PDF) - SANYO -> Panasonic

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LA1836M

Single-Chip Home Stereo Electronic Tuning IC

SANYO -> Panasonic 

Pin Functions

Pin No.

Function

Voltage

1

FM IF input

VREG

LA1836, 1836M

Internal equivalent circuit

Remarks

Input impedance ri = 330 Ω

2

AM mixer output

VCC

3

FM IF input bypass

VREG

Also used for the AM noise filter

4

REG

VREG

VREG = 3.6 V

5

AM IF input

VREG

6

GND

0V

7

Tu – LED

VCC

8

ST – LED, AM – IF

output

VCC

9

FM detector

VCC

10

VCC

VCC

AM/FM IF buffer output,

11

output control SW

0V

(muting switch)

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.

No. 4787-5/13

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