40
Portable Audio
Low-Power, Stereo Audio Codec
TLV320AIC32, TLV320AIC31
Get samples, datasheets, evaluation modules and app reports at:
www.ti.com/sc/device/TLV320AIC32
or
www.ti.com/sc/device/TLV320AIC31
Low-Power, Stereo Audio Codec
TLV320AIC33
Get datasheets and app reports at:
www.ti.com/sc/device/TLV320AIC33
The TLV320AIC33 is a highly integrated, low-power stereo codec for
use in a variety of portable audio equipment. The TLV320AIC33
includes 6 analog inputs, of which 4 can be configured as differential
inputs. The TLV320AIC33 includes three line output drivers and four
high-power amplifiers that can be configured as stereo headphone
drivers or stereo speaker drivers.
Key Features
• Stereo DAC (100 dBA) and ADC (92 dBA) support rates up to 96 kSPS
• 14-mW power dissipation with stereo playback at 48 kSPS
• Stereo headphone drivers and 500-mW, 8-Ω speaker drivers
• Stereo microphone preamps and hardware automatic gain control
• Digital microphone interface for low-noise microphone input
• Integrated PLL for flexible audio clock generation
• Programmable digital audio bass/treble/EQ with 3D effects
• Analog inputs are configurable as single-ended or fully differential
• Dual I
2
S/PCM bus architecture with DSP and TDM modes
• 6 analog inputs, 7 output drivers for easy connectivity to
multiple devices in a cellular telephony system
• Packaging: 5 x 5 mm 80-ball BGA
7 x 7 mm 48-pin QFN
Applications
• Cellular and smart phones
• Digital still cameras, digital video cameras
• MP3 and portable media players
• PDAs
• IP telephony systems
The TLV320AIC32/TLV320AIC31 are highly integrated, low-power
stereo codecs for use in a variety of portable audio equipment. The
TLV320AIC32 includes 6 single-ended analog inputs. The TLV320AIC31
includes 2 single-ended analog inputs and 2 differential analog inputs.
Both codecs have 6 output drivers. They also include two line output
drivers and four high-power amplifiers that can be configured as stereo
headphone drivers or stereo speaker drivers.
Key Features
• Stereo DAC (100 dBA) and ADC (92 dBA) support rates up to 96 kSPS
• 14-mW power dissipation with stereo playback at 48 kSPS
• Stereo headphone drivers and 500-mW, 8-Ω speaker driver
• Stereo microphone preamps and hardware automatic gain control
• Integrated PLL for flexible audio clock generation
• Programmable digital audio bass/treble/EQ with 3D effects
• Analog inputs are configurable as single-ended or fully differential
• 6 analog inputs, 6 output drivers for easy connectivity to multiple
devices in a cellular telephony system
• Packaging: 5 x 5 mm 32-pin QFN
Applications
• Cellular and smart phones
• Digital still cameras, digital video cameras
• MP3 and portable media players
• PDAs
• Talking toys and toys with audio
In 3 Left
In 3 Right
In 1 Left
In 1 Right
In 2 Left
In 2 Right
PLL
Matrix
Mixer
PGA /
AGC
Level
Control
Control Interface
+GPIO
ADC
Volume
Control
Equalizer
Audio
Effects
3D
Volume
Control
DAC
Left High
Power 1
Right High
Power 1
Matrix
Mixer
Left High
Power 2
Right High
Power 2
Left
Line Out
Right
Line Out
Mono
Line Out
In 2 Left
In 2 Right
In 1 Left
In 1 Right
In 3 Left
In 3 Right
Audio Interface
PLL
Matrix
Mixer
PGA /
AGC
ADC
Level
Control
Control Interface
Volume
Control
Equalizer
Audio
Effects
3D
Volume
Control
Left High
Power 1
Right High
Power 1
Matrix
Mixer
Left High
Power 2
Right High
Power 2
Left
Line Out
Right
Line Out
ADC
DAC
ADC
DAC
DAC
Dual
Audio Interface
TLV320AIC33 block diagram.
TLV320AIC32 block diagram.
Audio Solutions Guide
Texas Instruments 1Q 2006
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