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FSA2000 – Auto-Selecting HS-USB Switch with Cap-Free Headphone Audio Amplifier
March 2013
FSA2000
Auto-Selecting HS-USB Switch with Cap-Free Headphone
Audio Amplifier
Features
Switch Type
Switch Mechanism
USB Detection
USB
Audio Amplifier
Amplifier Output Power
Amplifier Gain
THD+N
SNR
PSRR
V
CC
I
CC (Audio)
I
CC(USB)
Package
Ordering Information
USB + Headphone Amplifier
Auto (USB with V
BUS
)
YES
USB 2.0 High Speed &
Full-Speed Compliant
Class AB
40mW
RMS
(32Ω)
0dB
0.1%
-90dB
-95dB
2.7 to 4.3V
3mA
6µA
16- Lead UMLP 1.80 x 2.60 x
0.55mm, 0.40mm pitch
FSA2000UMX
Description
The FSA2000 is a low-cost integrated HS-USB and audio
switch that incorporates an audio headphone amplifier. This
solution eliminates many of the discrete parts currently used
in stereo headset applications. It provides stereo headphone
drivers designed to operate with a ground-centered output
signal. This allows for the removal of large and expensive
DC blocking capacitors. The headphone drivers are capable
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stm32/stm8
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