MITSMI LMF501T-2 Datasheet

MITSUMI

Single-Chip System for Radios LMF501

Single-Chip System for Radios

Monolithic IC LMF501

Outline

This is a monolithic IC designed for use as a single-chip AM radio. It can be used to configure an AM radio
with few external components.
It is ideal for use in watch radios, lighter-radios and other applications intended to operate on low voltage and
current.

Features

Package

Absolute Maximum Ratings

1. Operation at low voltages possible VCC : 1.1V

2. Operates with low current consumption

3. Compact, lightweight

4. Broad AGC range

TO-92A (LMF501T-2)

Electrical Characteristics

Item Symbol Ratings Units

Operating temperature T

OPR

-

30~+80

°

C

Storage temperature T

STG

-

40~+125

°

C

Power supply current V

CC 1.5 V

Item Symbol Min. Typ. Max. Units

Power supply voltage V

CC 1.4 V

Operating output voltage V

OUT 0.8 1.5 V

Circuit current I

CC 0.3 mA

Practical frequency range fR 150 3000 kHz

Input resistance Z

IN 4MΩ

Audio distortion THD 4 %

AGC range AGC 30 dB

Power gain Gp 70 dB

Measurement conditions: Except where noted otherwise, in measurement circuits1

V

CC=1.4 V, RAGC=1.5kΩ

Modulator: f=1000Hz 40%, V

IN=1m V/rms

MITSUMI

Single-Chip System for Radios LMF501

Block Diagram

Measurement Circuit

Application Circuits