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Description
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AASP
is an ATLab��s Analog
Audio Signal Processor
IP for Mobile System.
This IP includes
Digitally controlled
PGA (Programmable
Gain Amplifiers)
for lines and Mic
inputs as well as
Line outputs and
Headphone Driver
Amplifiers with
Anti -Tone noise
Volume control.
Besides these basic
functions, thermal
protection and Input
mixing functions
are available. To
minimize power consumption,
partial shut down
of some blocks are
available according
to system requirement.
It needs AASP and
AD/DA converter
only to build completed
Audio function.
AASP is available
with 24SOP package
type. It is applicable
IP as well as commercial
product by itself
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Features
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0.35mm
CMOS process |
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Stereo
Function |
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3
Wires Serial Interface
for command lines |
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32
/ 16�
Driving Headphone
Amplifiers(Pomax=
45mW/75mW @3V) |
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Wide
Control Range(-73dB
~ +6dB/1dB Step) &
Anti-tone noise Volume
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Programmable
Gain Amplifiers (-34dB
~ +12dB / 1.5dB Step)
for Inputs |
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Very
Low Total Harmonic
Distortion(Line Out
: 0.005%, Headphone
out:0.02%) |
Mute
/ Termal Protection
/Partially Shutdown
functions
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Blockiagram
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