Datasheet > MCZ34119EF/R2

MCZ34119EF/R2

更新时间： 2024-09-17 11:04:11

品牌	Logo	应用领域
飞思卡尔 - FREESCALE		音频放大器
页数	文件大小	规格书
17页	498K
描述
Low Power Audio Amplifier

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数据手册

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MCZ34119EF/R2 数据手册

Document Number: MC34119

Rev. 3.0, 12/2006

Freescale Semiconductor

Technical Data

Low Power Audio Amplifier

34119

The 34119 is a low power audio amplifier integrated circuit

intended for telephone applications, such as in speakerphones. It

provides differential speaker outputs to maximize output swing at low

supply voltages (2.0 V minimum). Coupling capacitors to the speaker

are not required. Open loop gain is 80 dB, and the closed loop gain

is set with two external resistors. A Chip Disable pin permits powering

down and/or muting the input signal.

LOW POWER AUDIO AMPLIFIER

Features

• Wide Operating Supply Voltage Range (2.0 V to 16 V), Allows

Telephone Line Powered Applications

• Low Quiescent Supply Current (2.7 mA Typ) for Battery Powered

Applications

• Chip Disable Input to Power Down the IC

• Low Power--Down Quiescent Current (65 µA Typ)

• Drives a Wide Range of Speaker Loads (8.0 Ω and Up)

• Output Power Exceeds 250 mW with 32 Ω Speaker

• Low Total Harmonic Distortion (0.5% Typ)

• Gain Adjustable from <0 dB to >46 dB for Voice Band

• Requires Few External Components

D SUFFIX

EF SUFFIX (PB-FREE)

98ASB42564B

8-PIN SOICN

ORDERING INFORMATION

Temperature

Device

Package

Range (T )

• Pb-Free Packaging Designated by Suffix Code EF

MC34119D/R2

-20°C to 70°C

8 SOICN

MCZ34119EF/R2

34199

V01

VIN

Audio

Input

FC1

V02

Chip

Disable

FC2

GND

Figure 1. 34119 Simplified Application Diagram

Freescale Semiconductor, Inc. reserves the right to change the detail specifications,

as may be required, to permit improvements in the design of its products.

12 3 4 5 6 7...17

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