Datasheet > SB3231-E1

SB3231-E1

更新时间： 2024-11-24 01:14:15

品牌	Logo	应用领域
安森美 - ONSEMI		/
页数	文件大小	规格书
18页	142K
描述
Pre-configured DSP System

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中文翻译

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数据手册

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SB3231-E1 数据手册

RHYTHM SB3231

Pre-configured DSP System

for Hearing Aids

Description

ON Semiconductor ’s RHYTHM t SB3231 hybrid is

a trimmer−configurable DSP system based on a four−channel

compression circuit featuring Adaptive Feedback Cancellation,

Adaptive Noise Reduction, and FrontWave static directionality.

Based on a phase cancellation method, Rhythm SB3231’s Adaptive

Feedback Reduction algorithm provides added stable gain to enable

extra gain and user comfort. It features rapid adjustment for dynamic

feedback situations and resistance to tonal inputs.

www.onsemi.com

25 PAD

HYBRID

CASE 127DN

Rhythm SB3231’s Adaptive Noise Reduction monitors noise levels

independently in 64 individual bands and employs advanced

psychoacoustic models to provide user comfort.

PAD CONNECTION

The FrontWave directional system utilizes a pair of microphones to

create a fully customizable static polar pattern, such as bidirectional,

cardiod, hyper−cardiod and super−cardiod.

VIN1

VIN2

VREG

In addition to these adaptive algorithms, Rhythm SB3231 also

supports the following features: up to four channel WDRC,

low−distortion compression limiting, cross fading between audio

paths for click−free memory changes, eight−band graphic equalizer,

eight configurable generic biquad filters, programming speed

enhancements, in−channel squelch to attenuate microphone and

circuit noise in quiet environments, optional peak clipping, flexible

compression adjustments, volume control, rocker switch, noise

generation for Tinnitus treatment, and industry−leading security

features to avoid cloning and software piracy.

TR4

MGND

GND

TIN

DAI

TR3

TR2

PGND

TR1

OUT+

OUT−

VBP

D_VC

SDA

N/C

A trimmer interface supports manual circuit configuration. It

continuously monitors trimmer positions and translates them into the

CLK

MS1

hearing−aid parameters of choice. A Serial Data or I C Interface

provides full programmability at the factory and in the field.

The Rhythm SB3231 hybrid contains a 256 kbit EEPROM intended

for programmable and trimmer based devices.

MS2

(Bottom View)

Features

• FrontWave Static Directional

• Adaptive Noise Reduction

• Adaptive Feedback Cancellation

MARKING DIAGRAM

SB3231−E1

XXXXXX

• WDRC Compression with Choice of 1, 2 or 4 Channels of

Compression

SB3231 = Specific Device Code

E1 = RoHS Compliant Hybrid

XXXXXX = Work Order Number

• Auto Telecoil with Programmable Delay

• EVOKE LITEt Acoustic Indicators

• Noise Generator for Tinnitus Treatment or In−situ Audiometry

• Frequency Response Shaping with Graphic EQ

• Trimmer Compatibility – Four Three−Terminal

Trimmers with Configurable Assignments of Control

Parameters

ORDERING INFORMATION

See detailed ordering and shipping information on page 14 of

this data sheet.

Publication Order Number:

November, 2014 − Rev. 4

SB3231/D

12 3 4 5 6 7...18

中文翻译

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与SB3231-E1相关器件

型号	品牌	获取价格	描述	数据表
SB3231-E1-T	ONSEMI	获取价格	Pre-configured DSP System
SB3298	ETC	获取价格	SB3298
SB3298A	ETC	获取价格	SB3298
SB3298B	ETC	获取价格	SB3298
SB3298C	ETC	获取价格	SB3298
SB32AFC	PANJIT	获取价格	SMAF-C
SB33	GULFSEMI	获取价格	SURFACE MOUNT SCHOTTKY BARRIER RECTIFIER VOLTAGE:20 TO 60V CURRENT: 3.0A
SB33	GXELECTRONICS	获取价格	SURFACE MOUNT SCHOTTKY BARRIER RECTIFIER
SB330	FAIRCHILD	获取价格	Schottky Rectifiers
SB330	TAK_CHEONG	获取价格	3.0AMP. Schottky Barrier Rectifier

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