Texas Instruments TLV320AIC3105 Evaluation Module (EVM) and USB motherboard TLV320AIC3105EVM-K TLV320AIC3105EVM-K Scheda Tecnica
Codici prodotto
TLV320AIC3105EVM-K
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FEATURES
APPLICATIONS
DESCRIPTION
www.ti.com
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SLAS513B – FEBRUARY 2007 – REVISED DECEMBER 2008
LOW-POWER STEREO AUDIO CODEC FOR PORTABLE AUDIO/TELEPHONY
•
Digital Cameras
•
Stereo Audio DAC
•
Smart Cellular Phones
–
102-dBA Signal-to-Noise Ratio
–
16/20/24/32-Bit Data
–
Supports Rates From 8 kHz to 96 kHz
The TLV320AIC3105 is a low-power stereo audio
–
3D/Bass/Treble/EQ/De-Emphasis Effects
codec with multiple single-ended inputs and and a
–
Flexible Power Saving Modes and
stereo headphone amplifier. The output stages are
Performance are Available
programmable in single-ended or fully differential
configurations.
configurations.
Extensive
register-based
power
•
Stereo Audio ADC
control is included, enabling stereo 48-kHz DAC
–
92-dBA Signal-to-Noise Ratio
playback as low as 14 mW from a 3.3-V analog
–
Supports Rates From 8 kHz to 96 kHz
supply, making it ideal for portable battery-powered
audio and telephony applications.
audio and telephony applications.
–
Digital Signal Processing and Noise
Filtering Available During Record
Filtering Available During Record
The record path of the TLV320AIC3105 contains
•
Six Audio Input Pins
integrated microphone bias, digitally controlled stereo
microphone preamplifier, and automatic gain control
microphone preamplifier, and automatic gain control
–
Six Stereo Single-Ended Inputs
(AGC), with mix/mux capability among the multiple
•
Six Audio Output Drivers
analog inputs. Programmable filters are available
–
Stereo Fully Differential or Single-Ended
during record which can remove audible noise that
Headphone Drivers
can occur during optical zooming in digital cameras.
The playback path includes mix/mux capability from
The playback path includes mix/mux capability from
–
Fully Differential Stereo Line Outputs
the
stereo
DAC
and
selected
inputs,
through
•
Low Power: 14-mW Stereo 48-kHz Playback
programmable
volume
controls,
to
the
various
With 3.3-V Analog Supply
outputs.
•
Ultralow-Power Mode with Passive Analog
The TLV320AIC3105 contains four high-power output
Bypass
drivers as well as two fully differential output drivers.
•
Programmable Input/Output Analog Gains
The high-power output drivers are capable of driving
a variety of load configurations, including up to four
a variety of load configurations, including up to four
•
Automatic Gain Control (AGC) for Record
channels of single-ended 16-
Ω headphones using
•
Programmable Microphone Bias Level
ac-coupling capacitors, or stereo 16-
Ω headphones in
•
Programmable PLL for Flexible Clock
a capacitorless output configuration.
Generation
The stereo audio DAC supports sampling rates from
•
I
2
C Control Bus
8 kHz to 96 kHz and includes programmable digital
•
Audio Serial Data Bus Supports I
2
S,
filtering in the DAC path for 3D, bass, treble,
Left/Right-Justified, DSP, and TDM Modes
midrange
effects,
speaker
equalization,
and
de-emphasis for 32-kHz, 44.1-kHz, and 48-kHz rates.
•
Extensive Modular Power Control
The stereo audio ADC supports sampling rates from
•
Power Supplies:
8 kHz to 96 kHz and is preceded by programmable
–
Analog: 2.7 V–3.6 V.
gain amplifiers or AGC that can provide up to 59.5-dB
analog gain for low-level microphone inputs. The
analog gain for low-level microphone inputs. The
–
Digital Core: 1.525 V–1.95 V
TLV320AIC3105 provides an extremely high range of
–
Digital I/O: 1.1 V–3.6 V
programmability for both attack (8–1,408 ms) and for
•
Package: 5-mm × 5-mm 32-Pin QFN
decay (0.05–22.4 seconds). This extended AGC
range allows the AGC to be tuned for many types of
applications.
range allows the AGC to be tuned for many types of
applications.
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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.
Instruments semiconductor products and disclaimers thereto appears at the end of this data sheet.
PRODUCTION DATA information is current as of publication date.
Copyright © 2007–2008, Texas Instruments Incorporated
Products conform to specifications per the terms of the Texas
Instruments standard warranty. Production processing does not
necessarily include testing of all parameters.
Instruments standard warranty. Production processing does not
necessarily include testing of all parameters.