Datasheet > SSGSC34119

SSGSC34119

更新时间： 2024-11-05 06:14:19

品牌	Logo	应用领域
SECOS		音频放大器
页数	文件大小	规格书
9页	1634K
描述
Low Power Audio Amplifier

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SSGSC34119 数据手册

SSGSC34119

Low Power Audio Amplifier

Elektronische Bauelemente

DESCRIPTION

The SGSC34119 is a low power audio amplifier integrated circuit intended (primarily) for telephone applications, such as

in speakerphones. It provides differential speaker outputs to maximize output swing at low supply voltages (2.0V

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.

FEATURES

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

allows Telephone Line Powered Applications

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

Chip Disable Input to Power Down the IC

Low Power-Down Quiescent Current (65µA Typ)

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

Output Power Exceeds 250 mW with 32Ω Speaker

Low Total Harmonic Distortion (0.5% Typ)

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

Requires Few External Components

PACKAGE DIMENSIONS

Millimeter

REF.

Min.

Max.

Min.

Max.

5.80

4.80

3.80

0.40

0.19

6.20

5.00

4.00

0.90

0.25

0.10

0.35

1.35

0.25

0.49

1.75

0.375 REF.

1.27 TYP.

BLOCK DIAGRAM AND SIMPLIFIED APPLICATION & PIN CONFIGURATION

01-June-2002 Rev. A

Page 1 of 9

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