PCM3070_15 Datasheet, PDF (1/49 Pages) Texas Instruments – PCM3070 Stereo Audio Codec With Embedded miniDSP

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PCM3070
SLAS724A – SEPTEMBER 2008 – REVISED NOVEMBER 2014
PCM3070 Stereo Audio Codec With Embedded miniDSP
1 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
• 5 mm x 5 mm 32-Pin QFN Package
2 Applications
• Soundbar
• Flat Panel Television
• MP3 Docking stations
• Cell Phone Docking Stations
• Other Stereo or 2.1 Home Audio systems
3 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.
Device Information⁽¹⁾
PART NUMBER
PACKAGE
BODY SIZE (NOM)
PCM3070
VQFN (32)
5.00 mm x 5.00 mm
(1) For all available packages, see the orderable addendum at
the end of the datasheet.
4 Simplified Schematic
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
1
An IMPORTANT NOTICE at the end of this data sheet addresses availability, warranty, changes, use in safety-critical applications,
intellectual property matters and other important disclaimers. PRODUCTION DATA.