TLV320AIC24 Datasheet, PDF (1/53 Pages) Texas Instruments – Layout and Grounding Guidelines for TLV320AIC2x

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TLV320AIC20, TLV320AIC21
TLV320AIC24, TLV320AIC25
TLV320AIC20K, TLV320AIC24K
SLAS363D – MARCH 2002 – REVISED APRIL 2005
Low-Power, Highly-Integrated, Programmable
16-Bit, 26-KSPS, Dual-Channel CODEC
FEATURES
• Stereo 16-Bit Oversampling Sigma-Delta A/D
Converter
• Stereo 16-Bit Oversampling Sigma-Delta D/A
Converter
• Support Maximum Master Clock of 100 MHz to
Allow DSPs Output Clock to be Used as a
Master Clock
• Selectable FIR/IIR Filter With Bypassing
Option
• Programmable Sampling Rate up to:
– Max 26 Ksps With On-Chip IIR/FIR Filter
– Max 104 Ksps With IIR/FIR Bypassed
• On-Chip FIR Produced 84-dB SNR for ADC
and 92-dB SNR for DAC over 13-Khz BW
• Smart Time Division Multiplexed (SMARTDM^®)
Serial Port
– Glueless 4-Wire Interface to DSP
– Automatic Cascade Detection (ACD)
Self-Generates Master/Slave Device
Addresses
– Programming Mode to Allow On-The-Fly
Reconfiguration
– Continuous Data Transfer Mode to Minimize
Bit Clock Speed
– Support Different Sampling Rate for Each
Device
– Turbo Mode to Maximize Bit Clock For
Faster Data Transfer and Allow Multiple
Serial Devices to Share the Same Bus
– Allows up to Eight Devices to be Connected
to a Single Serial Port
• Host port
– 2-Wire Interface
– Selectable I²C or S²C
• Differential and Single-Ended Analog
Input/Output
• Built-In Analog Functions:
– Analog and Digital Sidetone
– Antialiasing Filter (AAF)
– Programmable Input and Output Gain
Control (PGA)
– Microphone/Handset/Headset Amplifiers
– AIC20/21/20K Have a Built-In 8-Ω Speaker
Driver
– Power Management With Hardware/Software
Power-Down Modes 30 µW
• Separate Software Control for ADC and DAC
Power Down
• Fully Compatible With Common TMS320^® DSP
Family and Microcontroller Power Supplies
– 1.65-V - 1.95-V Digital Core Power
– 1.1-V - 3.6-V Digital I/O
– 2.7-V - 3.6-V Analog
• Internal Reference Voltage (V_ref)
• 2s Complement Data Format
• Test Mode Which Includes Digital Loopback
and Analog Loopback
APPLICATIONS
• Wireless Accessories
• Hands-Free Car Kits
• VOIP
• Cable Modem
• Speech Processing
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.
SMARTDM, TMS320, TMS320C5000, TMS320C6000 are registered trademarks of Texas Instruments.
PRODUCTION DATA information is current as of publication date.
Products conform to specifications per the terms of the Texas
Instruments standard warranty. Production processing does not
necessarily include testing of all parameters.
Copyright © 2002–2005, Texas Instruments Incorporated