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TLV320AIC22 PDF预览

TLV320AIC22

更新时间： 2024-11-22 22:49:43
品牌 Logo 应用领域
德州仪器 - TI 解码器编解码器电信集成电路电信电路PC
页数 文件大小 规格书
54页 757K
描述
DUAL VOIP CODEC

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中文翻译

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TLV320AIC22 技术参数

生命周期：Obsolete零件包装代码：QFP
包装说明：LQFP-48针数：48
Reach Compliance Code：unknownHTS代码：8542.39.00.01
风险等级：5.75Is Samacsys：N
压伸定律：A/MU-LAW滤波器：YES
JESD-30 代码：S-PQFP-G48长度：7 mm
功能数量：2端子数量：48
工作模式：SYNCHRONOUS最高工作温度：85 °C
最低工作温度：-40 °C封装主体材料：PLASTIC/EPOXY
封装代码：LFQFP封装形状：SQUARE
封装形式：FLATPACK, LOW PROFILE, FINE PITCH认证状态：Not Qualified
座面最大高度：1.6 mm标称供电电压：3.3 V
表面贴装：YES电信集成电路类型：PCM CODEC
温度等级：INDUSTRIAL端子形式：GULL WING
端子节距：0.5 mm端子位置：QUAD
宽度：7 mmBase Number Matches：1

TLV320AIC22 数据手册

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TLV320AIC22  
DUAL VOIP CODEC  
SLAS281B – JULY 2000 – REVISED JUNE 2002  
Two 16-Bit Analog-to-Digital Converters  
(ADC)  
Preamplifiers for Microphone, Handset,  
Headset, and Speaker Phone Gain  
Selectable Via the Serial Port or I C Bus  
2
Two 16-Bit Digital-to-Analog Converters  
(DAC)  
2.5-V Microphone Bias Voltage  
Programmable Input/Output Gain  
Seamless Interface to a Single Multichannel  
Buffered Serial Port (McBSP) of a C54x or a  
C6x DSP  
Analog Crosspoint to Connect the Two  
Coder/Decoders (Codecs) to Any of the I/O  
Ports. Controlled Through the Serial Port or  
Four TLV320AIC22 ICs Can Be Cascaded  
Together to Allow up to Eight Channels  
2
the I C Bus  
8-Bit A-Law/µ-Law Companded Data or  
16-Bit Linear Data Complying With G.711  
Standard  
2s-Complement Data Format  
Differential Outputs  
Typical Low Crosstalk < –85 dB  
(Interchannel)  
Programmable ADC and DAC Conversion  
Rate  
Hardware/Software Power Down  
Independent Power Down for Drivers  
Single 3.3-V Supply Operation  
Typical 77-dB Signal-to-Noise + Distortion  
for ADC  
Typical 78-dB Signal-to-Noise + Distortion  
for the DAC  
120-mW Typical Power Consumption  
Packaged in 48-Pin Low-Profile Quad  
Flatpack (LQFP) Package  
Typical 80-dB Dynamic Range  
All Typical Sampling Rates, Such as 7.2, 8,  
8.229, 9.6, 10.285, 12, 14.4, and 16 kHz  
Supported  
description  
The TLV320AIC22 is a dual coder/decoder (codec) for voice applications, including voice-over-internet protocol  
(VOIP). It features two ADC conversion channels and two DAC conversion channels that can be connected to  
a handset, headset, speaker, microphone, or a subscriber line via an analog crosspoint.  
The TLV320AIC22 has a flexible serial interface that allows the two channels of the TLV320AIC22 to be  
interfaced to a single multichannel buffered serial port (McBSP) of the DSP. The two channels share the digital  
interface at different time slots. Up to four TLV320AIC22 units can be cascaded together to allow eight channels.  
2
For control purposes, either the serial interface or the I C interface can be used. Programmable gain amplifiers,  
preamplifier gain, microphone bias voltages, and analog crosspoint are programmed through the serial  
2
interface or the I C interface. The TLV320AIC22 can be powered down, via a dedicated pin or by using software  
control, to reduce power dissipation.  
The TLV320AIC22isavailableina48-pinLQFPpackageandischaracterizedforoperationfrom–40°Cto85°C.  
ORDERING INFORMATION  
PACKAGE  
T
A
PLASTIC QUAD FLATPACK  
(PT)  
–40°C to 85°C  
TLV320AIC22PT  
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 data sheet.  
Copyright 2002, Texas Instruments Incorporated  
PRODUCTION DATA information is current as of publication date.  
Products conform to specifications per the terms of Texas Instruments  
standard warranty. Production processing does not necessarily include  
testing of all parameters.  
1
POST OFFICE BOX 655303 • DALLAS, TEXAS 75265  
1234567...54

中文翻译

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TLV320AIC22 替代型号

型号 品牌 替代类型 描述 数据表
TLV320AIC22C TI

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