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TLV320AIC1110 Datasheet(PDF) 1 Page - Texas Instruments |
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TLV320AIC1110 Datasheet(HTML) 1 Page - Texas Instruments |
1 / 39 page TLV320AIC1110 SLAS359 – DECEMBER 2001 PCM CODEC 1 www.ti.com FEATURES D 2.7-V to 3.3-V Operation D Designed for Analog and Digital Wireless Handsets and Telecommunications Applications D Two Differential Microphone Inputs D Differential Earphone Outputs and One Single-Ended Earphone Output D Earphone and Microphone Mute D Programmable Transmit, Receive, and Sidetone Paths With Extended Gain and Attenuation Ranges D Programmable for 15-Bit Linear Data or 8-Bit Companded ( µ-law and A-law) Mode D Supports PCM Clock Rates of 128 kHz and 2.048 MHz D Pulse Density Modulated (PDM) Buzzer Output D On-Chip I2C Bus, Which Provides Simple, Standard, Two-Wire Serial Interface With Digital ICs D Dual-Tone Multifrequency (DTMF) and Single-Tone Generator Capable of up to 8-kHz Tone With Three Selectable Resolutions of 7.8125 Hz, 15.625 Hz, and 31.25 Hz D 2-Channel Auxiliary Multiplexer (MUX) (Analog Switch){ D Capable of Driving 32 Ω Down to a 8-Ω Speaker D Programmable Power Down Modes D Pin Compatible to the TLV320AIC1103 and TLV320AIC1109 Devices for TQFP Only D Available in a 32-Pin Thin Quad Flatpack (TQFP) Package and MicroStar Junior t BGA APPLICATIONS D Digital Handset D Digital Headset D Cordless Phones D Digital PABX D Digital Voice Recording DESCRIPTION The TLV320AIC1110 provides extended gain and attenuation flexibility for transmit, receive, and sidetone paths. A differential earphone output is capable of driving speaker loads as low as 8 Ω for use in speaker phone applications. The single tone function on the TLV320AIC1110 generates a single tone output of up to 8 kHz. The resolution of the DTMF tone is also selectable to 7.8125 Hz, 15.625 Hz, or 31.25 Hz through the interface control. The analog switch provides more control capabilities for voice-band audio processor (PCM codec). This device contains circuits to protect its inputs and outputs against damage due to high static voltages or electrostatic fields. These circuits have been qualified to protect this device against electrostatic discharges (ESD) of up to 2 kV according to MIL-STD-883C, Method 3015; however, it is advised that precautions be taken to avoid application of any voltage higher than maximum-rated voltages to these high-impedance circuits. During storage or handling, the device leads should be shorted together or the device should be placed in conductive foam. In a circuit, unused inputs should always be connected to an appropriated logic voltage level, preferably either VCC or ground. Specific guidelines for handling devices of this type are contained in the publication Guidelines for Handling Electrostatic-Discharge-Sensitive (ESDS) Devices and Assemblies available from Texas Instruments. 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. Products conform to specifications per the terms of Texas Instruments standard warranty. Production processing does not necessarily include testing of all parameters. Copyright 2001, Texas Instruments Incorporated †These options are available on some devices. Please see the table of comparison for the last two generations of PCM codecs. MicroStar Junior is a trademark of Texas Instruments. All other trademarks are the property of their respective owners. |
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