SPEMA2004A datasheet(2/5 Pages) SECOS

部件名	SPEMA2004A

功能描述	1.7W Mono Fully Differential Audio Power Amplifier

PDF	5 Pages

Scroll/Zoom	100%

制造商	SECOS [SeCoS Halbleitertechnologie GmbH]

网页	http://www.secosgmbh.com

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2 / 5 page

Elektronische Bauelemente

SPEMA2004A

1.7W Mono Fully Differential

Audio Power Amplifier

01-June-2002 Rev. A

Page 2 of 5

http://www.SeCoSGmbH.com/

Any changes of specification will not be informed individually.

APPLICATIONS

Ideal for Wireless Handsets

PDAs

Notebook Computers General Purpose Amplifier

BLOCK DIAGRAMS

RI=40kΩ,

CI=0.39μF,

CS=1μF

C(BYPASS)=0.22μF

FIGURE 1. Typical Audio Amplifier Application Circuit with differential input

Bias

Circuitry

GND

OUTP

OUTN

VDD

To Battery

40kΩ

INN

INP

40kΩ

120kΩ

SDNB

C(BYPASS)(1)

(1)C(BYPASS)is optional

(2)Due to the fully differential design of this amplifier, the performance is severly

degraded if you connect the unused input to BYPASS when using single-ended inputs.

RI=40kΩ,

CI=0.22μF,

CS=1μF

C(BYPASS)=0.22μF

FIGURE 2. Typical Audio Amplifier Application Circuit with single-ended input

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