SA3286 datasheet(2/16 Pages) ONSEMI

2 / 16 page

INSPIRIA SA3286

www.onsemi.com

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)

Figure 1. Hybrid Block Diagram

FMIC

SDA

RMIC

TIN

MS2

MGND

OUT+

OUT−

VBP

PGND

GND

VREG

DAI

Programming

Interface

EEPROM

Control

A/D

Clock

Generator

POR

Circuitry

Cross

Fader

MIC/TCOIL

COMP

AGCO

Feedback

Canceller

Noise Reduction (128 bands)

Graphic EQ (16 bands)

Memory

Select

Frequency

Band

Analysis

Frequency

Band

Synthesis

Wideband

128 bands

Voltage

Regulator

Volume

Control

Pre

Biquad

Filters

Adaptive

Directional

Microphone

FrontWave

Data

Logging

WDRC (1,2,4,6 or 8 channels)

and Shaper

Noise Generator

Post

Biquad

Filters

Gain

* If Input Mode = 1 mic omni, mic + telecoil, mic + DAI

** If Input Mode = 2 mic omni, rear only, directional

Environmental

Classification

Acoustic

Indicators

Peak

Clipper

D/A

HBridge

Post

Biquad

Filters

SA3286 Datasheet(PDF) 2 Page - ON Semiconductor

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