TLV320AIC3254 采用 miniDSP 和 Power TuneTM 技术的超低功耗立体声音频编解码器

TLV320AIC3254 描述

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.

	TLV320AIC3204	TLV320AIC3253	TLV320AIC3254
SNR DAC / SNR ADC(Typ)(dB)	100 / 93	100 / -	100 / 93
# DACs / # ADCs	2 / 2	2 / 0	2 / 2
# Inputs / # Outputs	6 / 4	4 / 2	6 / 4
Sampling Rate(Max)(kHz)	192	192	192
Resolution(Bits)	32	32	32
Digital Audio Interface	L,R,I2S,TDM,DSP	L, R, I2S, TDM, DSP	L,R,I2S,TDM,DSP
Control Interface	SPI,I2C	I2C, SPI	SPI,I2C
Analog Supply(V)	1.5 - 3.6	1.5 - 3.6	1.5 - 3.6
Digital Supply(V)	1.26 - 3.6	1.26 - 1.95	1.26 - 3.6
IO Supply (Volts)	1.1 - 3.6	1.1 - 3.6	1.1 - 3.6
Pd(Typ)(mW)	4.1	4.5	4.1
Additional Features	PowerTune (tm), Processing blocks for digital audio effects, LP Bypass, PLL, Digital mic support, LDO	miniDSP, PowerTune (tm), LP Bypass, PLL, Digital Mic support, LDO (for single supply operation)	MiniDSP, PowerTune (tm), LP Bypass, PLL, Digital Mic support, LDO (for single supply operation up to 3.6V)
Operating Temperature Range(°C)	-40 to 85	-40 to 85	-40 to 85
Pin/Package	32QFN	24VQFN, 25DSBGA	32QFN

TLV320AIC3254 特性

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™
Extensive Signal Processing Options
Embedded miniDSP
Six Single-Ended or 3 Fully-Differential Analog Inputs
Stereo Analog and Digital Microphone Inputs
Stereo Headphone Outputs
Stereo Line Outputs
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
Applications
- Portable Navigation Devices (PND)
- Portable Media Player (PMP)

TLV320AIC3254 芯片订购指南

器件	状态	温度 (oC)	价格（美元）	封装 \| 引脚	封装数量 \| 封装载体	丝印标记
TLV320A3254IRHBRG4	ACTIVE	-40 to 85	2.25 \| 1ku	QFN (RHB) \| 32	3000 \| LARGE T&R	AIC 3204
TLV320AIC3254IRHBR	ACTIVE	-40 to 85	2.25 \| 1ku	QFN (RHB) \| 32	3000 \| LARGE T&R	AIC 3204
TLV320AIC3254IRHBT	ACTIVE	-40 to 85	2.50 \| 1ku	QFN (RHB) \| 32	250 \| SMALL T&R	AIC 3204

TLV320AIC3254 质量与无铅数据

器件	环保计划*	铅/焊球涂层	MSL 等级/回流焊峰	环保信息与无铅 (Pb-free)	DPPM / MTBF / FIT 率
TLV320A3254IRHBRG4	Green (RoHS & no Sb/Br)	CU NIPDAU	Level-3-260C-168 HR		TLV320A3254IRHBRG4
TLV320AIC3254IRHBR	Green (RoHS & no Sb/Br)	CU NIPDAU	Level-3-260C-168 HR		TLV320AIC3254IRHBR
TLV320AIC3254IRHBT	Green (RoHS & no Sb/Br)	CU NIPDAU	Level-3-260C-168 HR		TLV320AIC3254IRHBT

TLV320AIC3254 应用技术支持与电子电路设计开发资源下载

TLV320AIC3254 数据资料 dataSheet 下载.PDF
TI 德州仪器音频编解码器产品选型与价格参考 . xls
模数规格和性能特性术语表 (Rev. A) (PDF 1993 KB)
所选封装材料的热学和电学性质 (PDF 645 KB)
高速数据转换 (PDF 1967 KB)
Shelf-Life Evaluation of Lead-Free Component Finishes (PDF 1305 KB)
Analog-to-Digital Converter Grounding Practices Affect System Performance (PDF 56 KB)
Principles of Data Acquisition and Conversion (PDF 50 KB)
Interleaving Analog-to-Digital Converters (PDF 64 KB)
What Designers Should Know About Data Converter Drift (PDF 95 KB)
Giving Delta-Sigma Converters a Gain Boost with a Front End Analog Gain Stage (PDF 70 KB)
Programming Tricks for Higher Conversion Speeds Utilizing Delta Sigma Converters (PDF 105 KB)

TLV320AIC3254 工具与软件

名称	型号	公司	工具/软件类型
音频的快速搜索选择工具	AUDIO_SELECTION_TOOL	Texas Instruments	免费评估工具
TLV320AIC3254 USB 评估模块	TLV320AIC3254EVM-U	Texas Instruments	开发电路板/EVM
TLV320AIC3254 评估模块 (EVM) 和 USB 主板	TLV320AIC3254EVM-K	Texas Instruments	开发电路板/EVM
PurePath™ Studio 图形开发环境（便携式音频）	AICPUREPATH_STUDIO	Texas Instruments	编译器/汇编器/连接器
用于数字双二阶滤波器的系数计算器	COEFFICIENT-CALC	Texas Instruments	计算实用程序
用于音频转换器的软件驱动程序	CODECDRIVERS-SW	Texas Instruments	应用软件