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TLV320ADC3101IRGER
92dB SNR Low-Power Stereo ADC with Digital Mic Support and miniDSP
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TLV320ADC3101SLAS553B –NOVEMBER 2008–REVISED AUGUST 2015
TLV320ADC3101 Low-Power Stereo ADC With Embedded miniDSP
for Wireless Handsets and Portable Audio Features 2 Applications Stereo Audio ADC • Wireless Handsets Portable Low-Power Audio Systems– 92-dBA Signal-to-Noise Ratio Noise-Cancellation Systems– Supports ADC Sample Rates From8 kHzto kHz • Front-End Voiceor Audio Processor for Digital
Audio• Instruction-Programmable Embedded miniDSP Flexible Digital Filtering With RAM Programmable
3 DescriptionCoefficient, Instructions, and Built-In Processing
The TLV320ADC3101 deviceisa low-power, stereoBlocks
audio analog-to-digital converter (ADC) supporting– Low-Latency IIR Filters for Voice sampling rates from8 kHz to 96 kHz with an– Linear Phase FIR Filtersfor Audio integrated programmable-gain amplifier providing up 40-dB analog gain or AGC.A programmable– Additional Programmable IIR Filtersfor EQ,
miniDSPis provided for custom audio processing.Noise Cancellationor Reduction
Front-end input coarse attenuationof0 dB,–6 dB,or– Upto 128 Programmable ADC Digital Filter off,is also provided. The inputs are programmableinCoefficients a combination of single-ended or fully differential• Six Audio Inputs With Configurable Automatic configurations. Extensive register-based power
Gain Control (AGC) controlis available via anI2C interface, enabling
monoor stereo recording. Low power consumption– Programmablein Single-Endedor Fully makes the TLV320ADC3101 ideal for battery-Differential Configurations powered portable equipment.– Can Be 3-Statedfor Easy Interoperability With
Other Audio ICs
Device Information(1) Low Power Consumption and Extensive Modular
Power Control: 6-mW Mono Record, 8-kHz (1) Forall available packages, see the orderable addendumat
the endofthe data sheet.– 11-mW Stereo Record, 8-kHz 10-mW Mono Record, 48-kHz
Functional Block Diagram– 17-mW Stereo Record, 48-kHz Dual Programmable Microphone Bias Programmable PLL for Clock GenerationI2C Control Bus Audio Serial Data Bus SupportsI2S, Left/Right-
Justified, DSP, PCM, and TDM Modes Input Support
