AS3415 datasheet(1/102 Pages) AMSCO

tên linh kiện	AS3415

Giải thích chi tiết về linh kiện	Integrated Active Noise Cancelling Solution with Bypass Feature

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ams Datasheet, Confidential: 2014-Jun-13 [v1-30]

AS3415/AS3435 – 1

AS3415/AS3435

Integrated Active Noise Cancelling

Solution with Bypass Feature

The AS3415/35 are speaker drivers with Ambient Noise

Cancelling function for headsets, headphones or ear pieces.

They are intended to improve quality of e.g. music listening, a

phone conversation etc. by reducing background ambient

noise.

The fully analog implementation allows the lowest power

consumption, lowest system BOM cost and most natural

received voice enhancement otherwise difficult to achieve with

DSP implementations. The device is designed to be easily

applied to existing architectures.

An internal OTP-ROM can be optionally used to store the

microphones gain calibration settings. The AS3415/35 can be

used in different configurations for best trade-off of noise

cancellation, required filtering functions and mechanical

designs.

The simpler feed-forward topology is used to effectively reduce

frequencies typically up to 2-3 kHz. The feed-back topology

with either 1 or 2 filtering stages has its strengths especially at

very low frequencies. The typical bandwidth for a feed-back

system is from 20Hz up to 1 kHz which is lower than the

feed-forward systems.

The filter loop for both systems is determined by

measurements, for each specific headset individually, and

depends very much on mechanical designs. The gain and phase

compensation filter network is implemented with cheap

resistors and capacitors for lowest system costs.

Ordering Information and Content Guide appear at end of

datasheet.

Key Benefits & Features

The benefits and features of AS3415/35, Integrated Active Noise

Cancelling Solution with Bypass Feature are listed below:

Figure 1:

Added Value of Using AS3415/35

Benefits

Features

All ANC Topologies

Feed Forward, Feed Back and Hybrid

No mechanical audio bypass switch

Integrated depletion mode transistors

Music EQ functionality

Ultra flexible low power EQ circuit

General Description

Số phần tương tự - AS3415

nhà sản xuất	tên linh kiện	bảng dữ liệu	Giải thích chi tiết về linh kiện
ams AG	AS3410	198Kb / 3P	Low Power Ambient Noise-Cancelling Speaker Driver
	AS3410	1Mb / 51P	Low Power Ambient Noise-Cancelling Speaker Driver
	AS3410	1Mb / 51P	Low Power Ambient Noise-Cancelling Speaker Driver
	AS3410-EQFP-500	1Mb / 51P	Low Power Ambient Noise-Cancelling Speaker Driver
	AS3412	1Mb / 84P	The AS3412 is a speaker driver with Ambient Noise Cancelling

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Mô tả tương tự - AS3415

nhà sản xuất	tên linh kiện	bảng dữ liệu	Giải thích chi tiết về linh kiện
AVAGO TECHNOLOGIES LIMI...	ALM-11136	414Kb / 12P	Low Noise, High Linearity Amplifier Module with Fail-Safe Bypass Feature
	ALM-11236	391Kb / 12P	Low Noise, High Linearity Amplifier Module with Fail-Safe Bypass Feature
	ALM-11336	398Kb / 12P	Low Noise, High Linearity Amplifier Module with Fail-Safe Bypass Feature
	ALM-11036	417Kb / 12P	Low Noise, High Linearity Amplifier Module with Fail-Safe Bypass Feature
	ALM-11036	417Kb / 12P	Low Noise, High Linearity Amplifier Module with Fail-Safe Bypass Feature
Broadcom Corporation.	ALM-11036	417Kb / 12P	Low Noise, High Linearity Amplifier Module with Fail-Safe Bypass Feature
	ALM-11136	414Kb / 12P	Low Noise, High Linearity Amplifier Module with Fail-Safe Bypass Feature
	ALM-11236	391Kb / 12P	Low Noise, High Linearity Amplifier Module with Fail-Safe Bypass Feature
	DEMO-ALM-11X36	417Kb / 12P	Low Noise, High Linearity Amplifier Module with Fail-Safe Bypass Feature
Maxim Integrated Produc...	MAX9895A	1Mb / 22P	Active Noise-Cancelling Solution for Stereo Headsets 19-4478; Rev 0; 10/09

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