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TLV320AIC33IGQE

更新时间： 2024-09-21 02:59:31
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93页 1467K
描述
LOW POWER STEREO AUDIO CODEC FOR PORTABLE AUDIO/TELEPHONY

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TLV320AIC33IGQE 数据手册

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TLV320AIC33  
SLAS480A–JANUARY 2006–REVISED JULY 2006  
LOW POWER STEREO AUDIO CODEC FOR PORTABLE AUDIO/TELEPHONY  
FEATURES  
– Digital I/O: 1.1 V–3.6 V  
•
Stereo Audio DAC  
•
Packages: 5 × 5 mm 80-VFBGA;  
7 × 7 mm 48-QFN  
– 100-dBA Signal-to-Noise Ratio  
– 16/20/24/32-Bit Data  
DESCRIPTION  
– Supports Rates From 8 kHz to 96 kHz  
– 3D/Bass/Treble/EQ/De-emphasis Effects  
Stereo Audio ADC  
The TLV320AIC33 is a low power stereo audio  
codec with stereo headphone amplifier, as well as  
multiple inputs and outputs programmable in  
single-ended or fully differential configurations.  
Extensive register- based power control is included,  
enabling stereo 48-kHz DAC playback as low as 14  
mW from a 3.3-V analog supply, making it ideal for  
portable battery-powered audio and telephony  
applications.  
•
•
– 92-dBA Signal-to-Noise Ratio  
– Supports Rates From 8 kHz to 96 kHz  
Ten Audio Input Pins  
– Programmable in Single-Ended or Fully  
Differential Configurations  
– 3-State Capability for Floating Input  
Configurations  
The record path of the TLV320AIC33 contains  
integrated microphone bias, digitally controlled stereo  
microphone preamplifier, and automatic gain control  
(AGC), with mix/mux capability among the multiple  
analog inputs. The playback path includes mix/mux  
capability from the stereo DAC and selected inputs,  
through programmable volume controls, to the  
various outputs.  
•
•
Seven Audio Output Drivers  
– Stereo 8-Ω, 500-mW/Channel Speaker Drive  
Capability  
– Stereo Fully Differential or Single-Ended  
Headphone Drivers  
– Fully Differential Stereo Line Outputs  
– Fully Differential Mono Output  
The TLV320AIC33 contains four high-power output  
drivers as well as three fully differential output  
drivers. The high-power output drivers are capable of  
driving a variety of load configurations, including up  
to four channels of single-ended 16-Ω headphones  
using ac-coupling capacitors, or stereo 16-Ω  
headphones in a capacitorless output configuration.  
In addition, pairs of drivers can be used to drive 8-Ω  
speakers in a BTL configuration at 500 mW per  
channel.  
Low Power: 14-mW Stereo 48-kHz Playback  
With 3.3-V Analog Supply  
•
•
•
•
Programmable Input/Output Analog Gains  
Automatic Gain Control (AGC) for Record  
Programmable Microphone Bias Level  
Programmable PLL for Flexible Clock  
Generation  
The stereo audio DAC supports sampling rates from  
8 kHz to 96 kHz and includes programmable digital  
filtering in the DAC path for 3D, bass, treble,  
midrange effects, speaker equalization, and  
de-emphasis for 32-kHz, 44.1-kHz, and 48-kHz  
rates. The stereo audio ADC supports sampling rates  
•
•
Control Bus Selectable SPI or I2C  
Audio Serial Data Bus Supports I2S,  
Left/Right-Justified, DSP, and TDM Modes  
Alternate Serial PCM/I2S Data Bus for Easy  
•
Connection to Bluetooth™ Module  
from  
8 kHz to 96 kHz and is preceded by  
•
•
•
Digital Microphone Input Support  
Extensive Modular Power Control  
Power Supplies:  
programmable gain amplifiers providing up to  
+59.5-dB analog gain for low-level microphone  
inputs.  
– Analog: 2.7 V–3.6 V.  
– Digital Core: 1.525 V–1.95 V  
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.  
MIcroStar Junior is a trademark of Texas Instruments.  
Bluetooth is a trademark of Bluetooth SIG, Inc..  
PRODUCTION DATA information is current as of publication date.  
Copyright © 2006, Texas Instruments Incorporated  
Products conform to specifications per the terms of the Texas  
Instruments standard warranty. Production processing does not  
necessarily include testing of all parameters.  
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 		具有 10 个输入、7 个输出、耳机/扬声器放大器和增强数字效果的低功耗立体声编解码器 |
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