PCM3070 Datasheet, PDF (1/41 Pages) Texas Instruments – Stereo Audio Codec With Embedded miniDSP

PCM3070
www.ti.com
Stereo Audio Codec With Embedded miniDSP
Check for Samples: PCM3070
SLAS724 – FEBRUARY 2011
FEATURES
1
• Stereo Audio DAC with 100dB SNR
• Stereo Audio ADC with 93dB SNR
• Extensive Signal Processing Options
• Embedded miniDSP
• Six Single-Ended or 3 Fully-Differential Analog
Inputs
• Stereo Headphone Outputs
• Stereo Line Outputs
• Very Low-Noise PGA
• Analog Bypass Mode
• Programmable PLL
• Integrated LDO
• 5mm x 5mm 32-pin QFN Package
APPLICATIONS
• Soundbar
• Flat Panel Television
• MP3 Docking stations
• Cell Phone Docking Stations
• Other Stereo or 2.1 Home Audio systems
DESCRIPTION
The PCM3070 is a flexible stereo audio codec with
programmable
inputs
and
outputs,
fully-programmable miniDSP, fixed predefined and
parameterizable signal processing blocks, integrated
PLL, integrated LDOs and flexible digital interfaces.
IN1_L
IN2_L
IN3_L
IN3_R
IN2_R
IN1_R
AGC
+
0…+47.5 dB
Left
ADC
tpl
´
ADC
Signal
Proc.
+
Gain Adj.
0.5 dB
steps
-30...0 dB
DRC
Vol . Ctrl
-72...0dB
DAC
Signal
Proc.
´
Left
DAC
-6...+29dB
+
HPL
1dB steps
-6...+29dB
+
LOL
-30...0 dB
miniDSP
Data
Interface
miniDSP
1dB steps
-6...+29dB
+
LOR
0…
+
+47.5 dB
Right
ADC
Gain Adj.
ADC
´ tpr
Signal
Proc.
+
0.5 dB steps
AGC
DAC
Signal
Proc.
´
Right
DAC
1dB steps
-6...+29dB
+
HPR
DRC
Vol . Ctrl
-72...0dB
1dB steps
SPI_Select
Reset
HPVdd
ALDO
Ref
Ref
DLDO
SPI / I2C
Control Block
PLL
Interrupt Secondary
Ctrl
I²S IF
Primary
I²S Interface
Supplies
Pin Muxing/ Clock Routing
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.
PRODUCTION DATA information is current as of publication date.
Products conform to specifications per the terms of the Texas
Instruments standard warranty. Production processing does not
necessarily include testing of all parameters.
© 2011, Texas Instruments Incorporated