TLV320ADC3101 Low-Power Stereo ADC With Embedded miniDSP for Wireless Handsets and Portable Audio 1 Features 2 Applications 1• Stereo Audio ADC • Wireless Handsets – 92-dBA Signal-to-Noise Ratio • Portable Low-Power Audio Systems – Supports ADC Sample Rates From 8 kHz to • Noise-Cancellation Systems 96 kHz • Front-End Voice or Audio Processor for Digital • Instruction-Programmable Embedded miniDSP Audio • Flexible Digital Filtering With RAM Programmable Coefficient, Instructions, and Built-In Processing 3 Description Blocks The TLV320ADC3101 device is a low-power, stereo audio analog-to-digital converter (ADC) supporting – Low-Latency IIR Filters for Voice sampling rates from 8 kHz to 96 kHz with an – Linear Phase FIR Filters for Audio integrated programmable-gain amplifier providing up – Additional Programmable IIR Filters for EQ, to 40-dB analog gain or AGC. A programmable Noise Cancellation or Reduction miniDSP is provided for custom audio processing. Front-end input coarse attenuation of 0 dB, –6 dB, or – Up to 128 Programmable ADC Digital Filter off, is also provided. The inputs are programmable in Coefficients a combination of single-ended or fully differential • Six Audio Inputs With Configurable Automatic configurations. Extensive register-based power Gain Control (AGC) control is available via an I 2C interface, enabling – Programmable in Single-Ended or Fully mono or stereo recording. Low power consumption makes the TLV320ADC3101 ideal for battery- Differential Configurations powered portable equipment. – Can Be 3-Stated for Easy Interoperability With Other Audio ICs Device Information(1) • Low Power Consumption and Extensive Modular PART NUMBER PACKAGE BODY SIZE (NOM) Power Control: TLV320ADC3101 VQFN (24) 4.00 mm × 4.00 mm – 6-mW Mono Record, 8-kHz (1) For all available packages, see the orderable addendum at – 11-mW Stereo Record, 8-kHz the end of the data sheet. – 10-mW Mono Record, 48-kHz Functional Block Diagram – 17-mW Stereo Record, 48-kHz • Dual Programmable Microphone Bias • Programmable PLL for Clock Generation • I 2C Control Bus • Audio Serial Data Bus Supports I 2S, Left/RightJustified, DSP, PCM, and TDM Modes • Digital Microphone Input Support • Two GPIOs • Power Supplies: – Analog: 2.6 V to 3.6 V – Digital: Core: 1.65 V to 1.95 V, I/O: 1.1 V–3.6 V • 4-mm × 4-mm 24-Pin RGE (VQFN