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SPEMA2004A Datasheet(PDF) 2 Page - SeCoS Halbleitertechnologie GmbH

Part # SPEMA2004A
Description  1.7W Mono Fully Differential Audio Power Amplifier
PDF  5 Pages
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Manufacturer  SECOS [SeCoS Halbleitertechnologie GmbH]
Direct Link  http://www.secosgmbh.com
Logo SECOS - SeCoS Halbleitertechnologie GmbH

SPEMA2004A Datasheet(HTML) 2 Page - SeCoS Halbleitertechnologie GmbH

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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
6
5
8
7
GND
OUTP
OUTN
CS
VDD
To Battery
40kΩ
INN
INP
40kΩ
120kΩ
2
1
3
4
RI
RI
SDNB
C(BYPASS)(1)
(1)C(BYPASS)is optional
CI
CI
IN
(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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