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TLV320AIC31IRHBR Datasheet(PDF) 1 Page - Burr-Brown (TI) |
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TLV320AIC31IRHBR Datasheet(HTML) 1 Page - Burr-Brown (TI) |
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1 / 74 page  BurrBrown Products from Texas Instruments FEATURES DESCRIPTION TLV320AIC31 SLAS497A – AUGUST 2006 – REVISED SEPTERMBER 2006 LOW POWER STEREO AUDIO CODEC FOR PORTABLE AUDIO/TELEPHONY • Stereo Audio DAC The TLV320AIC31 is a low-power stereo-audio codec with a stereo headphone amplifier, as well as – 100 dB A Signal-to-Noise Ratio multiple inputs and outputs, programmable in – 16/20/24/32-Bit Data single-ended or fully-differential configurations. – Supports Rates From 8 kHz to 96 kHz Extensive register-based power control is included, – 3D/Bass/Treble/EQ/De-Emphasis Effects enabling stereo 48-kHz DAC playback as low as 14 mW from a 3.3-V analog supply, making it ideal for • Stereo Audio ADC portable, battery-powered audio and telephony – 92 dB A Signal-to-Noise Ratio applications. – Supports Rates From 8 kHz to 96 kHz The record path of the TLV320AIC31 contains • Six Audio Input Pins integrated microphone bias, digitally-controlled – Two Stereo Differential/Single-Ended Inputs stereo-microphone pre-amp, and automatic gain control (AGC), with mix/mux capability among the • Six Audio Output Drivers multiple analog inputs. The playback path includes – Stereo 8- Ω, 500 mw/Channel Speaker Drive mix/mux capability from the stereo DAC and selected Capability inputs, through programmable volume controls, to the various outputs. – Stereo Fully-Differential or Single-Ended Headphone Drivers The TLV320AIC31 contains four high-power output – Fully Differential Stereo Line Outputs drivers as well as two fully differential output drivers. The high-power output drivers are capable of driving • Low Power: 14-mW Stereo, 48-kHz Playback a variety of load configurations, including up to four With 3.3-V Analog Supply channels of single-ended 16- Ω headphones using • Programmable Input/Output Analog Gains ac-coupling capacitors, or stereo 16- Ω headphones • Automatic Gain Control (AGC) for Record in a cap-less output configuration. In addition, pairs of drivers can be used to drive 8- Ω speakers in a • Programmable Microphone Bias Level BTL configuration at 500 mW per channel. • Programmable PLL for Flexible Clock The stereo audio DAC supports sampling rates from Generation 8 kHz to 96 kHz and includes programmable digital • I2C Control Bus filtering in the DAC path for 3D, bass, treble, • Audio Serial Data Bus Supports I2S, midrange effects, speaker equalization, and Left/Right-Justified, DSP, and TDM Modes de-emphasis for 32 kHz, 44.1 kHz, and 48 kHz rates. The stereo-audio ADC supports sampling rates from • Extensive Modular Power Control 8 kHz to 96 kHz and is preceded by programmable • Power Supplies: gain amplifiers providing up to +59.5 dB analog gain – Analog: 2.7 V – 3.6 V for low-level microphone inputs. – Digital Core: 1.525 V – 1.95 V The serial control bus supports the I2C protocol, – Digital I/O: 1.1 V – 3.6 V while the serial-audio data bus is programmable for I2S, left/right justified, DSP, or TDM modes. A highly • Available Packages: 5 × 5 mm, 32-Pin QFN programmable PLL is included for flexible clock generation and support for all standard audio rates from a wide range of available MCLKs, varying from 512 kHz to 50 MHz, with special attention paid to the most popular cases of 12 MHz, 13 MHz, 16 MHz, 19.2 MHz, and 19.68 MHz system clocks. 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. 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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