TI的TLV320AIC33规格书
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FEATURES
DESCRIPTION
TLV320AIC33
www.ti.com
........................................................................................................................................... SLAS480B – JANUARY 2006 – REVISED DECEMBER 2008
Low Power Stereo Audio CODEC for Portable Audio/Telephony
7 × 7 mm 48-QFN
23
• Stereo Audio DAC
– 100-dBA Signal-to-Noise Ratio
The TLV320AIC33 is a low power stereo audio codec
– 16/20/24/32-Bit Data
with stereo headphone amplifier, as well as multiple
– Supports Rates From 8 kHz to 96 kHz
inputs and outputs programmable in single-ended or
– 3D/Bass/Treble/EQ/De-emphasis Effects
fully differential configurations. Extensive register-
based power control is included, enabling stereo
• Stereo Audio ADC
48-kHz DAC playback as low as 14 mW from a 3.3-V
– 92-dBA Signal-to-Noise Ratio
analog supply, making it ideal for portable
– Supports Rates From 8 kHz to 96 kHz
battery-powered audio and telephony applications.
• Ten Audio Input Pins
The record path of the TLV320AIC33 contains
– Programmable in Single-Ended or Fully
integrated microphone bias, digitally controlled stereo
Differential Configurations
microphone preamplifier, and automatic gain control
(AGC), with mix/mux capability among the multiple
– 3-State Capability for Floating Input
analog inputs. The playback path includes mix/mux
Configurations
capability from the stereo DAC and selected inputs,
• Seven Audio Output Drivers
through programmable volume controls, to the
– Stereo 8- Ω , 500-mW/Channel Speaker Drive
various outputs.
Capability
The TLV320AIC33 contains four high-power output
– Stereo Fully Differential or Single-Ended
drivers as well as three fully differential output drivers.
Headphone Drivers
The high-power output drivers are capable of driving
a variety of load configurations, including up to four
– Fully Differential Stereo Line Outputs
channels of single-ended 16- Ω headphones using
– Fully Differential Mono Output
ac-coupling capacitors, or stereo 16- Ω headphones in
• Low Power: 14-mW Stereo 48-kHz Playback
a capacitorless output configuration. In addition, pairs
With 3.3-V Analog Supply
of drivers can be used to drive 8- Ω speakers in a BTL
configuration at 500 mW per channel.
• Programmable Input/Output Analog Gains
• Automatic Gain Control (AGC) for Record
The stereo audio DAC supports sampling rates from
8 kHz to 96 kHz and includes programmable digital
• Programmable Microphone Bias Level
filtering in the DAC path for 3D, bass, treble,
• Programmable PLL for Flexible Clock
midrange effects, speaker equalization, and
Generation
de-emphasis for 32-kHz, 44.1-kHz, and 48-kHz rates.
• Control Bus Selectable SPI or I
2
C
The stereo audio ADC supports sampling rates from
8 kHz to 96 kHz and is preceded by programmable
• Audio Serial Data Bus Supports I
2
S,
gain amplifiers providing up to +59.5-dB analog gain
Left/Right-Justified, DSP, and TDM Modes
for low-level microphone inputs.
• Alternate Serial PCM/I
2
S Data Bus for Easy
The serial control bus supports SPI or I
2
C protocols,
Connection to Bluetooth™ Module
while the serial audio data bus is programmable for
• Digital Microphone Input Support
I
2
S, left/right-justified, DSP, or TDM modes. A highly
• Extensive Modular Power Control
programmable PLL is included for flexible clock
generation and support for all standard audio rates
• Power Supplies:
from a wide range of available MCLKs, varying from
– Analog: 2.7 V – 3.6 V.
512 kHz to 50 MHz, with special attention paid to the
– Digital Core: 1.65 V – 1.95 V
most popular cases of 12-MHz, 13-MHz, 16-MHz,
19.2-MHz, and 19.68-MHz system clocks.
– Digital I/O: 1.1 V – 3.6 V
• Packages: 5 × 5 mm 80-VFBGA;
1
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.
2 MIcroStar Junior is a trademark of Texas Instruments.
3 Bluetooth is a trademark of Bluetooth SIG, Inc..
PRODUCTION DATA information is current as of publication date.
Copyright © 2006 – 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.
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