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BA3121F Fiches technique(PDF) 1 Page - Rohm

No de pièce BA3121F
Description  Ground Isolation Amplifier
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Fabricant  ROHM [Rohm]
Site Internet  http://www.rohm.com
Logo ROHM - Rohm

BA3121F Fiches technique(HTML) 1 Page - Rohm

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www.rohm.com
2009.08 - Rev.A
© 2009 ROHM Co., Ltd. All rights reserved.
Audio Accessory IC Series
Ground Isolation
Amplifier
BA3121F, BA3123F
●Description
The BA3121F/BA3123F are ground isolation amplifiers developed for use in car audio applications.
This IC efficiently eliminate problems caused by wiring resistance, and remove noise generated by the electrical devices
used in automobiles. The capacitance values of the external capacitors required for the ICs are small to allow compact
and reliable set design.
●Features
1) Large capacitors not required
2) High common-mode rejection ratio (57dB typ. at f = 1kHz).
3) Low noise (VNO = 3.5
μVrms Typ.).
4) Low distortion (THD = 0.002% Typ.).
5) Two channels.
●Applications
Car audio systems
●Line up matrix
BA3121F
BA3123F
Operation temperature
-30~+85
C
-40~+85
C
●Absolute maximum ratings (Ta = 25
C)
Parameter
Symbol
Limits
Unit
Power supply voltage
Vcc
18
V
Power dissipation
Pd
450*
mW
Operation
temperature
BA3121F
Topr
-30~+85
BA3123F
-40~+85
Storage temperature
Tstg
-55~+125
*Reduced by 4.5mW in Ta of 1
C over 25C.
●Recommended operating conditions (Ta = 25
C)
Parameter
Symbol
Min.
Typ.
Max.
Unit
Power supply voltage
Vcc
4
12
18
V
No.09092EAT01


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