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SA3286 Datasheet(PDF) 1 Page - ON Semiconductor

Part # SA3286
Description  Pre-configured DSP System
Download  16 Pages
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Manufacturer  ONSEMI [ON Semiconductor]
Direct Link  http://www.onsemi.com
Logo ONSEMI - ON Semiconductor

SA3286 Datasheet(HTML) 1 Page - ON Semiconductor

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© Semiconductor Components Industries, LLC, 2015
July, 2015 − Rev. 2
1
Publication Order Number:
SA3286/D
INSPIRIA SA3286
Pre-configured DSP System
for Hearing Aids
INSPIRIA SA3286 features iSceneDetect
t environmental
classification, 128−bands of noise reduction, superior feedback
cancellation and built−in feedback path measurement capabilities.
The iSceneDetect Environment Classification algorithm automatically
senses the hearing aid wearer’s environment and dynamically adjusts
hearing enhancement algorithms (such as Feedback cancellation, noise
reduction, compression, etc.) without user involvement.
Environment classification on Inspiria SA3286 enables programming
of hearing aid to a single program setting which can be employed by the
hearing−aid wearer in all environments instead of manually changing to
a different memory with a change in the acoustic environment.
The Inspiria SA3286 comes with EVOKE
t advanced acoustic
indicators. EVOKE allows manufacturers to provide more complex,
multi−frequency tones which can simulate musical notes or chords.
The Inspiria SA3286 iLog
t 2.0 Datalogging feature records various
parameters every 4 seconds to 60 minutes (programmable) during use of
the device. Once these parameter values are read from the device, they
can be used to counsel the hearing aid wearer and fine tune the fitting.
The Inspiria SA3286’s Adaptive Noise Reduction monitors noise
levels independently in 128 individual bands and employs advanced
psychoacoustic models to provide user comfort.
Based on a phase cancellation method, Inspiria SA3286’s adaptive
feedback reduction algorithm provides an increase in added stable
gain. It features rapid adjustment for dynamic feedback situations and
resistance to tonal inputs.
Automatic Adaptive Directional Microphone (ADM) algorithm
from ON Semiconductor automatically reduces the level of sound
sources that originate from behind or the side of the hearing−aid
wearer without affecting sounds from the front by adjusting the null in
the microphone polar pattern to minimize the noise level at the output
of the ADM. To reduce current consumption, the algorithm can switch
automatically between 1 mic omni and ADM depending on the
acoustic environment.
The Inspiria SA3286 is equipped with a noise source that can be
used in treating tinnitus. The Tinnitus Treatment noise can be shaped
and attenuated and then summed into the audio path either before or
after the volume control.
The Narrow−band Noise Stimulus feature allows the user to generate
stimuli from the device that can be used for in situ audiometry.
In addition to these adaptive algorithms, the Inspiria SA3286 also
supports the following features: up to 8 channel WDRC,
FRONTWAVE® directional processing, cross fading between audio
paths for click−free memory changes, 16−band graphic equalizer, 8
generic biquad filters (configurable as parametric or other filter types),
programming speed enhancements, optional peak clipping, flexible
compression adjustments, volume control, rocker switch, and
industry−leading security features to avoid cloning and software piracy.
www.onsemi.com
16 PAD
HYBRID
CASE TBD
VREG
TIN
DAI
MS
MS2
VB
VBP
OUT−
OUT+
MGND
PAD CONNECTION
FMIC
RMIC
VC
SDA
GND
PGND
16
1
2
3
8
9
4
5
6
7
15
14
13
12
11
10
MARKING DIAGRAM
SA3286−E1
XXXXXX
SA3286 = Specific Device Code
E1
= RoHS Compliant Hybrid
XXXXXX = Work Order Number
(Bottom View)
See detailed ordering and shipping information on page 14 of
this data sheet.
ORDERING INFORMATION


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