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TLV320ADC3101-Q1 PDF预览

TLV320ADC3101-Q1

更新时间： 2024-11-24 01:16:55
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86页 1100K
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Low-Power Stereo ADC With Embedded miniDSPnull for Wireless Handsets and Portable Audio

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TLV320ADC3101-Q1 数据手册

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TLV320ADC3101-Q1  
www.ti.com  
SLAS816B –MARCH 2012–REVISED AUGUST 2012  
Low-Power Stereo ADC With Embedded miniDSP  
for Wireless Handsets and Portable Audio  
Check for Samples: TLV320ADC3101-Q1  
1
FEATURES  
•
•
•
Digital Microphone Input Support  
Two GPIOs  
2
•
•
Qualified for Automotive Applications  
Power Supplies:  
AEC-Q100 Test Guidance With the Following  
Results:  
–
–
Analog: 2.6 V–3.6 V  
–
Device Temperature Grade 2: –40°C to  
+105°C Ambient Operating Temperature  
Range  
Digital: Core: 1.65 V–1.95 V,  
I/O: 1.1 V–3.6 V  
•
4-mm × 4-mm 24-Pin RGE (QFN)  
–
–
Device HBM ESD Classification Level H1C  
Device CDM ESD Classification Level C3B  
APPLICATIONS  
•
Stereo Audio ADC  
•
•
•
•
Wireless Handsets  
–
–
92-dBA Signal-to-Noise Ratio  
Portable Low-Power Audio Systems  
Noise-Cancellation Systems  
Supports ADC Sample Rates From 8 kHz to  
96 kHz  
Front-End Voice or Audio Processor for Digital  
Audio  
•
•
Instruction-Programmable Embedded miniDSP  
Flexible Digital Filtering With RAM  
Programmable Coefficient, Instructions, and  
Built-In Processing Blocks  
DESCRIPTION  
The TLV320ADC3101-Q1 is a low-power, stereo  
audio analog-to-digital converter (ADC) supporting  
sampling rates from 8 kHz to 96 kHz with an  
integrated programmable-gain amplifier providing up  
to 40-dB analog gain or AGC. A programmable  
miniDSP is provided for custom audio processing.  
Front-end input coarse attenuation of 0 dB, –6 dB, or  
off, is also provided. The inputs are programmable in  
a combination of single-ended or fully differential  
configurations. Extensive register-based power  
control is available via an I2C interface, enabling  
mono or stereo recording. Low power consumption  
makes the TLV320ADC3101-Q1 ideal for battery-  
powered portable equipment.  
–
–
–
Low-Latency IIR Filters for Voice  
Linear Phase FIR Filters for Audio  
Additional Programmable IIR Filters for EQ,  
Noise Cancellation or Reduction  
–
Up to 128 Programmable ADC Digital Filter  
Coefficients  
•
•
Six Audio Inputs With Configurable Automatic  
Gain Control (AGC)  
–
Programmable in Single-Ended or Fully  
Differential Configurations  
–
Can Be 3-Stated for Easy Interoperability  
With Other Audio ICs  
The AGC programs to a wide range of attack  
(7 ms–1.4 s) and decay (50 ms–22.4 s) times. A  
programmable noise-gate function is included to  
avoid noise pumping. Low-latency IIR filters optimized  
for voice and telephony are available, as well as  
linear-phase FIR filters optimized for audio.  
Programmable IIR filters are also available and may  
be used for sound equalization, or to remove noise  
components. The audio serial bus can be  
programmed to support I2S, left-justified, right-  
justified, DSP, PCM, and TDM modes. The audio bus  
may be operated in either master or slave mode.  
Low Power Consumption and Extensive  
Modular Power Control:  
–
–
–
–
6-mW Mono Record, 8-kHz  
11-mW Stereo Record, 8-kHz  
10-mW Mono Record, 48-kHz  
17-mW Stereo Record, 48-kHz  
•
•
•
•
Dual Programmable Microphone Bias  
Programmable PLL for Clock Generation  
I2C™ Control Bus  
Audio Serial Data Bus Supports I2S, Left/Right-  
Justified, DSP, PCM, and TDM Modes  
1
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.  
2
I2C is a trademark of Phillips Electronics.  
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.  
Copyright © 2012, Texas Instruments Incorporated  
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