TLV320AIC31IRHBR ,Low-Power Stereo Codec with 6 Inputs, 6 Outputs, Integrated Headphone/Speaker Amps, 3D Effects 32-VQFN -40 to 85FEATURESDESCRIPTION23• Stereo Audio DAC:– 100-dB (A-Weighted) Signal-to-Noise RatioThe TLV320AIC31 ..
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TN2-12V , SLIM POLARIZED RELAY
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TLV320AIC31IRHBR-TLV320AIC31IRHBT
Low-Power Stereo Codec with 6 Inputs, 6 Outputs, Integrated Headphone/Speaker Amps, 3D Effects 32-VQFN -40 to 85
1FEATURES
DESCRIPTION
TLV320AIC31
www.ti.com............................................................................................................................................. SLAS497C–AUGUST 2006–REVISED DECEMBER 2008
LOW-POWER STEREO AUDIO CODEC FOR PORTABLE AUDIO/TELEPHONY
23• Stereo Audio DAC: 100-dB (A-Weighted) Signal-to-Noise Ratio The TLV320AIC31isa low-power stereo audio codec
witha stereo headphone amplifier,as wellas multiple
– 16-/20-/24-/32-Bit Data inputs and outputs, programmablein single-endedor
– Supports Rates From8 kHzto96 kHz fully-differential configurations. Extensive
3D/Bass/Treble/EQ/De-Emphasis Effects register-based power controlis included, enabling
stereo 48-kHz digital-to-analog converter (DAC)•
Stereo Audio ADC: playback as low as 14 mW froma 3.3-V analog
– 92-dB (A-Weighted) Signal-to-Noise Ratio supply, makingit ideal for portable, battery-powered
– Supports Rates From8 kHzto96 kHz audio and telephony applications.
Six Audio Input Pins: The record path of the TLV320AIC31 contains
Two Stereo Differential/Single-Ended Inputs integrated microphone bias,a digitally-controlled
stereo microphone pre-amp, and automatic gain•
Six Audio Output Drivers: control (AGC), with mix/mux capability among the
– Stereo 8-Ω, 500-mW/Channel Speaker Drive multiple analog inputs. The playback path includes
Capability mix/mux capability from the stereo DAC and selected
Stereo Fully-Differentialor Single-Ended inputs, through programmable volume controlsto the
various outputs.
Headphone Drivers Fully Differential Stereo Line Outputs The TLV320AIC31 contains four high-power output
driversas well as two fully differential output drivers.•
Low Power: 14-mW Stereo, 48-kHz PlaybackThe high-power output drivers are capableof driving
With 3.3-V Analog Supply a varietyof load configurations, including upto four•
Programmable Input/Output Analog Gains channelsof single-ended, 16-Ω headphones using•
Automatic Gain Control (AGC) for Recording ac-coupling capacitors,or stereo 16-Ω headphonesin capless output configuration.In addition, pairsof•
Programmable Microphone Bias Leveldrivers can be usedto drive 8-Ω speakersina BTL•
Programmable PLL for Flexible Clock configurationat 500 mW per channel.
GenerationThe stereo audio DAC supports sampling rates from•
I2 C™ Control Bus 8 kHzto 96 kHz and includes programmable digital•
Audio Serial Data Bus SupportsI2 S™, filteringin the DAC path for 3D, bass/treble/midrange
Left-/Right-Justified, DSP, and TDM Modes effects, speaker equalization, and de-emphasis for•
Extensive Modular Power Control 32-kHz, 44.1-kHz, and 48-kHz rates. The
stereo-audio analog-to-digital converter (ADC)•
Power Supplies: supports sampling rates from8 kHzto 96 kHz andis
– Analog: 2.7Vto 3.6V preceded by programmable gain amplifiers providing
Digital Core: 1.65Vto 1.95V upto +59.5 dB analog gain for low-level microphone
inputs.
– Digital I/O: 1.1Vto 3.6V Available Packages: 5-mm× 5-mm, The serial control bus supports theI2C protocol, while
the serial-audio data busis programmable forI2S,
32-Pin QFNleft-/right-justified, DSP, or TDM modes.A highly
programmable PLL is included for flexible clock
generation and support for all standard audio rates
froma wide rangeof available MCLKs, varying from
512 kHzto50 MHz, with special attention paidto the
most popular casesof 12-MHz, 13-MHz, 16-MHz,
