herunterladen
DRC
Left
DAC
+
+
*
DRC
Right
DAC
*
DAC Signal Proc.
Vol. Ctrl
Vol. Ctrl
-6...+29dB
1dB steps
-6...+29dB
1dB steps
HPL
HPR
Data Interface
miniDSP
SPI / I2C
Control Block
Pin Muxing/ Clock Routing
Secondary
I
2
S IF
Primary
I
2
S Interface
Interrupt
Ctrl
ALDO
PLL
Mic Bias
INL
INR
SPI_Select
Micbias
Supplies
AVss
DVss
IOVss
DVdd
IOVdd
SDA/MOSI
DMCLK/
MFP4
DMDIN/
MFP3
MCLK
DOUT/MFP2
DIN/MFP1
BCLK
WCLK
AVdd
LDOin
Dig.
Mic IF
GPIO
(YZK Pkg only)
Reset
miniDSP
DAC Signal Proc.
ADC Signal Proc.
Ref
Ref
SCL/SS
TLV320AIC3253
www.ti.com
SLOS631 –MARCH 2010
Ultra Low Power Stereo Audio Codec With Embedded miniDSP
Check for Samples: TLV320AIC3253
1
FEATURES
APPLICATIONS
• Mobile Handsets
2
• Stereo Audio DAC with 100dB SNR
• Communication
• 4.1mW Stereo 48ksps Playback
• Portable Computing
• PowerTune™
• Extensive Signal Processing Options
DESCRIPTION
• Embedded miniDSP
The TLV320AIC3253 (sometimes referred to as the
• Stereo Digital Microphone Input
AIC3253) is a flexible, low-power, low-voltage stereo
• Stereo Headphone Outputs
audio codec with digital microphone inputs and
programmable outputs, PowerTune capabilities,
• Low Power Analog Bypass Mode
fully-programmable miniDSP, fixed predefined and
• Programmable PLL
parameterizable signal processing blocks, integrated
• Integrated LDO
PLL, integrated LDO and flexible digital interfaces.
Extensive register-based control of power,
• 2.7mm × 2.7mm WCSP or 4mm × 4mm QFN
input/output channel configuration, gains, effects,
Package
pin-multiplexing and clocks is included, allowing the
device to be precisely targeted to its application.
Figure 1. Simplified Block Diagram
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.
2PowerTune is a trademark of Texas Instruments.
UNLESS OTHERWISE NOTED this document contains
Copyright © 2010, Texas Instruments Incorporated
PRODUCTION DATA information current as of publication date.
Products conform to specifications per the terms of Texas
Instruments standard warranty. Production processing does not
necessarily include testing of all parameters.
Verzeichnis
- ・ Konfiguration des Pinbelegungsdiagramms on Seite 3 Seite 19
- ・ Abmessungen des Paketumrisses on Seite 29 Seite 30
- ・ Teilenummerierungssystem on Seite 3
- ・ Blockdiagramm on Seite 1
- ・ Technische Daten on Seite 6
- ・ Anwendungsbereich on Seite 1 Seite 35
- ・ Elektrische Spezifikation on Seite 6 Seite 7 Seite 8 Seite 9 Seite 10
