Datasheet > ATR4251-TKQY19

ATR4251-TKQY19

更新时间： 2024-01-01 03:24:54

品牌	Logo	应用领域
爱特美尔 - ATMEL		/
页数	文件大小	规格书
21页	413K
描述
Consumer IC

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数据手册

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ATR4251-TKQY19 数据手册

Features

• High Dynamic Range for AM and FM

• Integrated AGC for AM and FM

• High Intercept Point 3rd Order for FM

• FM Amplifier Adjustable to Various Cable Impedances

• High Intercept Point 2nd and 3rd Order for AM

• Low Noise Output Voltage

• Low Power Consumption

• Low Output Impedance AM

Low-noise,

High-dynamic-

range AM/FM

Antenna

1. Description

The ATR4251 is an integrated low-noise AM/FM antenna amplifier with integrated

AGC in BiCMOS2S technology. The device is designed in particular for car applica-

tions, and is suitable for windshield and roof antennas.

Figure 1-1. Block Diagram QFN24 Package

Amplifier IC

AGC

VREF1 IN GAIN GND2 OUT

Paddle = GND

ATR4251

amplifier

NC*

GND

NC*

BAND

GAP

AGC1

AGC2

VREF2

AMIN

AGC

AGCCONST

VREF4

AMOUT1

GND1

AGC

(AM)

CREG AGC AGC

NC*

AMIN AM CONST

* Pin must not be connected to any other pin or supply chain except GND.

4913J–AUDR–10/09

12 3 4 5 6 7...21

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