ATR4258 ATMEL Corporation, ATR4258 Datasheet

ATR4258

Manufacturer Part Number

ATR4258

Description

Manufacturer

ATMEL Corporation

Datasheets

1.ATR4258.pdf (38 pages)

2.ATR4258.pdf (38 pages)

Specifications of ATR4258

Date_code

12+

Packing_info

SOP-44

Available stocks

Company

Part Number

Manufacturer

Quantity

Price

Company:

Meier Automation Equipment Co., Limited

Part Number:

ATR4258

Manufacturer:

ATMEL/爱特梅尔

Quantity:

20 000

Current page: 1 of 38
Download datasheet (637Kb)

Features

•

Electrostatic sensitive device.

Observe precautions for handling.

1. Description

The ATR4258 is a highly integrated AM/FM front-end circuit manufactured using

Atmel’s advanced BICMOS technology. It represents a complete, automatically

adjustable AM/FM front end, containing a double-conversion system for FM and an

up/down-conversion receiver for AM with IF1 = 10.7 MHz and IF2 = 450 kHz. The

front end is suitable for digital or analog AF-signal processing. Together with the PLL

U4256BM, an automatically aligned high-performance AM/FM tuner can be built.

These ICs are dedicated for highly sophisticated car radio applications.

FM Double-conversion System

Integrated Second IF Filter with Software-controlled Bandwidth

Completely Integrated FM Demodulator

Soft Mute and Multipath Noise Cancellation

Receiving Condition Analyzer

AM Up/Down-conversion System

AM Preamplifier with AGC and Stereo Capability

3-wire Bus Controlled

Search Stop Signal Generation (AM and FM)

Automatic Alignment Possible

Pin Compatible with ATR4255

World Tuner, US Weatherboard, J-band

Lead-free Package

AM/FM

Receiver IC

ATR4258

Rev. 4838B–AUDR–05/05

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