SA3286 Datasheet, PDF (2/16 Pages) ON Semiconductor – Pre-configured DSP System

INSPIRIA SA3286
Features
• Advanced Research
♦ 128−band Adaptive Noise Reduction
♦ Adaptive Feedback Cancellation
♦ Feedback Path Measurement Tool
♦ Automatic Adaptive Directional Microphones
♦ Environmental Classification
• iSceneDetect Environmental Classification 1.0
• iLog Datalogging 2.0
• Tinnitus Treatment
• EVOKE Acoustic Indicators
• Auto Telecoil with Programmable Delay
• FrontWave Directional Processing
• 1, 2, 4, 6 or 8 Channel WDRC Compression
• AGC−O with Variable Threshold, Time Constants, and
Optional Adaptive Release
• 16−band Graphic EQ
• Narrow−band Noise Stimulus
• Optimized Programming Speed
• 8 Biquadratic Filters
• Four Analog Inputs
• 16 kHz or 8 kHz Bandwidth
• Four Fully Configurable Memories with Audible
Memory Change Indicator
• 93 dB Input Dynamic Range with HRXt Headroom
Extension
• 128−bit Fingerprint Security System and Other Security
Features to Protect against Device Cloning and
Software Piracy
• High Fidelity Audio CODEC
• Soft Acoustic Fade between Memory Changes
• Drives Zero−bias 2−terminal Receivers
• Internal or External Analog or Digital Volume Control
with Programmable Range
• Rocker Switch Support
• 20−bit Audio Precision
• thinSTAX^® Packaging
• E1 RoHS Compliant Hybrid
thinSTAX Packaging
• Hybrid typical dimensions:
0.215 x 0.124 x 0.067 in.
(5.46 x 3.15 x 1.70 mm)
VREG 1
FMIC 15
RMIC 14
TIN 2
DAI 3
MGND 16
SDA 12
Voltage
Regulator
A/D
M
U
X
A/D
Programming
Interface
Clock
Generator
MIC/TCOIL
COMP
MS2
MS
5
4
Memory
Select
Acoustic
Indicators
Post
S
Biquad
Filters
Cross
Fader
VB
6
POR
Circuitry
Peak
Clipper
D/A
HBridge
Adaptive
*
Directional
Microphone
**
or
FrontWave
Feedback
Canceller
AGCO
Noise Generator
and Shaper
S
Volume
Control
Wideband
Gain
Control
A/D
Pre
Biquad
Filters
Environmental
Classification
Post
Biquad
Filters
7 VBP
8 OUT−
9 OUT+
10 PGND
13 VC
Frequency
Band
Analysis
128 bands
Frequency
Band
Synthesis
Data
Logging
WDRC (1,2,4,6 or 8 channels)
Noise Reduction (128 bands)
Graphic EQ (16 bands)
EEPROM
11
* If Input Mode = 1 mic omni, mic + telecoil, mic + DAI
GND
** If Input Mode = 2 mic omni, rear only, directional
Figure 1. Hybrid Block Diagram
www.onsemi.com
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