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TLV320AIC1103-TLV320AIC1103PBS-TLV320AIC1103PBSR-TLV320AIC1103ZQER
Programmable PCM Codec With Microphone Amps & Speaker Driver
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SLAS356 − DECEMBER 2001
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FEATURES 2.7-V Operation Two Differential Microphone Inputs, One
Differential Earphone Output, and One
Single-Ended Earphone Output Programmable Gain Amplifiers for Transmit,
Receive, Sidetone, and Volume Control Earphone Mute and Microphone Mute On-Chip I2 C Bus, Which Provides a Simple,
Standard, Two-Wire Serial Interface With
Digital ICs Programmable for 15-Bit Linear Data or 8-Bit
Companded (µ-Law or A-Law) Data Available in a 32-Pin Thin Quad Flatpack
(TQFP) Package and an 80-Pin GQE MicroStar
Junior� Ball Grid Array (BGA) Designed for Analog and Digital Wireless
Handsets and Telecommunications
Applications Dual-Tone Multifrequency (DTMF) and Single
Tone Generator Pulse Density Modulated (PDM) Buzzer
Output
APPLICATIONS Digital Handset Digital Headset Cordless Phones Digital PABX Digital Voice Recording
DESCRIPTIONThe PCM codec is designed to perform transmit
encoding analog/digital (A/D) conversion, receive
decoding digital/analog (D/A) conversion, and transmit
and receive filtering for voice-band communications
systems. The device operates in either the 15-bit linear
or 8-bit companded (µ-law or A-Law) mode, which is
selectable through the I2C interface. The PCM codec
generates its own internal clocks from a 2.048-MHz
master clock input.
PBS PACKAGE
(TOP VIEW)PCMO
PCMISS
DVDD
SCL
SDA
PLLVDD
EARVSS
EAR1ON
EARVDD
EAR1OP
EARVSS
EAR2ODD
MBIASMIC1PMIC1NMIC2P23222120191817
MIC2N
REXT
MCLK
PLL
RESETPWRUPSELBUZZCONPCMSYNPCMCLK
NC − No internal connection
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.
MicroStar Junior is a trademark of Texas Instruments.
