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TLV320AIC26IRHB Datasheet(PDF) 1 Page - Texas Instruments |
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TLV320AIC26IRHB Datasheet(HTML) 1 Page - Texas Instruments |
1 / 67 page TLV320AIC26 SLAS412− DECEMBER 2003 LOW POWER STEREO AUDIO CODEC WITH HEADPHONE / SPEAKER AMPLIFIER AND 12BIT BATTERY / TEMPERATURE / AUXILIARY ADC FEATURES D Low Power High Quality Audio Codec D Stereo Audio DAC and Mono Audio ADC Support Rates up to 48 ksps D High Quality 97-dBA Stereo Audio Playback Performance D Low Power: 11-mW Stereo Audio Playback at 48 ksps D On-Chip 325-mW, 8-W Speaker Driver D Stereo Headphone Amplifier With Capless Output Option D Microphone Preamp and Hardware Automatic Gain Control D Integrated PLL for Flexible Audio Clock Generation D Programmable Digital Audio Bass/Treble/EQ/De-Emphasis D Direct Battery Measurement Accepts up to 6-V Input D On-Chip Temperature Measurement D SPI and I2S Serial Interface D Full Power-Down Control D 32-Pin 5y5 mm QFN Package APPLICATIONS D Cellular and Smart Phones D MP3 Players D Digital Still Cameras D Digital Video Camcorders DESCRIPTION The TLV320AIC26 is a high-performance audio codec with 16/20/24/32-bit 97-dBA stereo playback, mono record functionality at up to 48 ksps. A microphone input includes built-in preamp and hardware automatic gain control, with single-ended or fully-differential input capability. The audio output drivers on the ’AIC26 are highly flexible, having software-programmable low or high-power drive modes to optimize system power dissipation. The outputs can be configured to supply up to 325 mW into a bridge terminated 8- Ω load, can support stereo 16-Ω headphone amplifiers in ac-coupled or capless output configurations, and can supply a stereo line-level output A programmable digital audio effects processor enables bass, treble, midrange, or equalization playback processing. The digital audio data format is programmable to work with popular audio standard protocols (I2S, DSP, Left/Right Justified) in master or slave mode, and also includes an on-chip programmable PLL for flexible clock generation capability. Highly configurable software power control is provided, enabling stereo audio playback at 48 ksps at 11 mW with a 3.3-V analog supply level. The ’AIC26 offers a 12-bit measurement ADC and internal reference voltage, as well as two battery measurement inputs capable of reading battery voltages up to 6 V, while operating at an analog supply as low as 2.7 V. It includes an on-chip temperature sensor capable of reading 0.3 °C resolution. The ’AIC26 is available in a 32 lead QFN. PRODUCTION DATA information is current as of publication date. Products conform to specifications per the terms of Texas Instruments standard warranty. Production processing does not necessarily include testing of all parameters. 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. www.ti.com Copyright 2003, Texas Instruments Incorporated SPI is a trademark of Motorola. I2S is a trademark of Phillips Electronics. |
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