Datasheet > TLV320AIC3254_14

TLV320AIC3254_14

更新时间： 2024-11-26 02:58:23

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德州仪器 - TI		/
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Ultra Low Power Stereo Audio Codec

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TLV320AIC3254_14 数据手册

TLV320AIC3254

Ultra Low Power Stereo Audio Codec With Embedded miniDSP

www.ti.com

SLAS549A–SEPTEMBER 2008–REVISED OCTOBER 2008

1 Introduction

1.1 Features

1.2 Applications

•

Stereo Audio DAC with 100dB SNR

4.1mW Stereo 48ksps DAC Playback

Stereo Audio ADC with 93dB SNR

6.1mW Stereo 48ksps ADC Record

PowerTune™

•

Portable Navigation Devices (PND)

Portable Media Player (PMP)

Mobile Handsets

Communication

Portable Computing

Extensive Signal Processing Options

Embedded miniDSP

Acoustic Echo Cancellation (AEC)

Active Noise Cancellation (ANC)

Advanced DSP algorithms

Six Single-Ended or 3 Fully-Differential Analog

Inputs

•

Stereo Analog and Digital Microphone Inputs

Stereo Headphone Outputs

Stereo Line Outputs

1.3 Description

The TLV320AIC3254 (sometimes referred to as the

AIC3254) is a flexible, low-power, low-voltage stereo

audio codec with programmable inputs and outputs,

PowerTune capabilities, fully programmable miniDSP,

fixed predefined and parameterizable signal

processing blocks, integrated PLL, integrated LDOs

and flexible digital interfaces.

Very Low-Noise PGA

Low Power Analog Bypass Mode

Programmable Microphone Bias

Programmable PLL

Integrated LDO

5 mm x 5 mm 32-pin QFN Package

IN1_L

-72...0dB

Vol. Ctrl

IN2_L

AGC

DRC

-6...+29dB

0…+47.5 dB

IN3_L

ADC

Signal

Proc.

DAC

Signal

Proc.

HPL

LOL

LOR

HPR

Left

ADC

Left

DAC

t_pl

1dB steps

-6...+29dB

Gain Adj.

0.5 dB

steps

-30...0 dB

1dB steps

-6...+29dB

Data

Interface

miniDSP

-30...0 dB

1dB steps

-6...+29dB

0…

+47.5 dB

Gain Adj.

ADC

Signal

Proc.

DAC

Signal

Proc.

Right

ADC

Right

DAC

t_pr

IN3_R

IN2_R

IN1_R

0.5 dB steps

AGC

DRC

Vol. Ctrl

1dB steps

-72...0dB

SPI_Select

Reset

SPI / I2C

Control Block

Digital Interrupt Secondary

Mic. Ctrl

I²S IF

Primary

I²S Interface

PLL

HPVdd

MicBias

Ref

Mic

Bias

ALDO

Supplies

Pin Muxing/ Clock Routing

Ref

DLDO

Figure 1-1. Simplified Block Diagram

Please be aware that an important notice concerning availability, standard warranty, and use in critical applications of Texas

Instruments semiconductor products and disclaimers thereto appears at the end of this document.

PowerTune is a trademark of Texas Instruments.

PRODUCTION DATA information is current as of publication date.

Products conform to specifications per the terms of the Texas

Instruments standard warranty. Production processing does not

necessarily include testing of all parameters.

12 3 4 5 6 7...168

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与TLV320AIC3254_14相关器件

型号	品牌	获取价格	描述	数据表
TLV320AIC3254IRHBR	TI	获取价格	Ultra Low Power Stereo Audio Codec With Embedded miniDSP
TLV320AIC3254IRHBT	TI	获取价格	Ultra Low Power Stereo Audio Codec With Embedded miniDSP
TLV320AIC3254-Q1	TI	获取价格	采用 miniDSP 和 PowerTune™ 技术的汽车类超低功耗立体声音频编解码器
TLV320AIC3256	TI	获取价格	Ultra Low Power Stereo Audio Codec With Embedded miniDSP
TLV320AIC3256_12	TI	获取价格	Ultra Low Power Stereo Audio Codec With Embedded miniDSP
TLV320AIC3256_14	TI	获取价格	Ultra Low Power Stereo Audio Codec With Embedded miniDSP
TLV320AIC3256IRSBR	TI	获取价格	Ultra Low Power Stereo Audio Codec With Embedded miniDSP
TLV320AIC3256IRSBT	TI	获取价格	Ultra Low Power Stereo Audio Codec With Embedded miniDSP
TLV320AIC3256IYZFR	TI	获取价格	Ultra Low Power Stereo Audio Codec With Embedded miniDSP
TLV320AIC3256IYZFT	TI	获取价格	Ultra Low Power Stereo Audio Codec With Embedded miniDSP

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