Datasheet > GA3216-E1

GA3216-E1

更新时间： 2024-11-13 19:47:51

品牌	Logo	应用领域
商升特 - SEMTECH		外围集成电路
页数	文件大小	规格书
14页	257K
描述
Digital Signal Processor,

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中文翻译

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技术参数
数据手册

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GA3216-E1 技术参数

生命周期：	Obsolete	包装说明：	,
Reach Compliance Code：	unknown	风险等级：	5.78
Base Number Matches：	1

GA3216-E1 数据手册

FOUNDATION™ Digital

Single or Dual Channel

DSP Compression System

GA3216 PRELIMINARY DATA SHEET

FEATURES

DESCRIPTION

• efficient, high fidelity 1 or 2-channel WDRC signal

processing

The GA3216 hybrid is a trimmer-configurable DSP system

based on a two-channel compression circuit. It can

efficiently replace traditional hearing-aid compression

circuits without compromising fundamental performance

requirements.

• fully programmable via serial data interface

• SOUNDDESIGN™ high-fidelity audio quality

• four trimmer inputs plus volume control

• flexible trimmer/parameter assignments

• optional two-terminal or three-terminal trimmers

A trimmer interface supports manual circuit configuration. It

continuously monitors trimmer positions and translates them

into the hearing-aid parameters of choice. A serial data

interface provides full programmability both at the factory

and in the field.

• choice of wideband or independent 2-channel level

detection

• choice of two strategies for AGC-I parametric

adjustment

The GA3216 includes in-channel squelch to attenuate

microphone and circuit noise in quiet environments. It also

• 6, 12 or 24 dB/octave band split filter or configurable

as single-channel compressor.

includes

low-distortion

compression

limiting

and

programmable high and low cut filters as well as five

configurable equalization filters. Unused blocks can be

powered down to save battery current, for example, when

using the device in single-channel mode.

• in-channel, low level squelch control (1:2 expansion)

• output compression limiting (AGC-O)

• flexible pre- and post-emphasis filters

• four independent memories

The GA3216 Hybrid code programmed into the GC5020

controller chip is '1'.

• pulse-density-modulated output stage drives zero-

bias 2-terminal receivers

This datasheet is part of a set of documents available for

this product. Please refer to Getting Started with Foundation

Digital, document #25786 for a list of other documents.

• also available as E1 (RoHS Compliant Hybrid)

thinSTAX™ PACKAGING

Hybrid typical dimensions:

0.190 x 0.123 x 0.060in

(4.82 x 3.12 x 1.52mm)

SDA

MS2

PROGRAMMING

INTERFACE

VREG2

VREG

EEPROM

TONE

GENERATOR

REGULATOR

A/D

TWIN DETECTOR

1st or 2nd

ORDER

EQ5

EQ4

VBP

COMPRESSOR

24db/oct

TWIN DETECTOR

SQUELCH

T-coil EQ

OUT+

OUT -

BAND SPLIT

FILTER

D/A

HBRIDGE

EQ1

PEAK

CLIPPING

1st to 3rd

ORDER

AGC-O

COMPRESSOR

EQ2

EQ3

TWIN DETECTOR

SQUELCH

PGND

MGND

VC GAIN

TRIMMER INTERFACE

GA3216

VC TR1 TR2 TR3 TR4

GND2

GND1

BLOCK DIAGRAM

Doc.No.24501 - 4 [Rev. July 2006]

1 of 14

12 3 4 5 6 7...14

中文翻译

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与GA3216-E1相关器件

型号	品牌	获取价格	描述	数据表
GA3216-E1-B	ONSEMI	获取价格	IC SPECIALTY MICROPROCESSOR CIRCUIT, Microprocessor IC:Other
GA3216-E1-T	ONSEMI	获取价格	Preconfigured DSP System for Hearing Aids, with up to 2 WDRC channels, 250-REEL
GA3217	GENNUM	获取价格	Venture-TM Digital DSP System
GA3217C	GENNUM	获取价格	Micro Peripheral IC,
GA3218	GENNUM	获取价格	Venture-TM Digital DSP System
GA3218C	GENNUM	获取价格	暂无描述
GA3219	GENNUM	获取价格	Venture-TM Digital DSP System
GA3219C	SEMTECH	获取价格	Micro Peripheral IC,
GA3219D-E1	ONSEMI	获取价格	Preconfigured DSP System for Hearing Aids, with up to 4 WDRC channels, 25-BTRAY
GA3220	GENNUM	获取价格	Programmable Signal Processing Platform for Hearing Instruments

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