PCM5141 Datasheet, PDF (1/110 Pages) Texas Instruments – 2VRMS DirectPath™, 112/106dB Audio Stereo DAC with 32-bit, 384kHz PCM Interface

PCM5141, PCM5142
www.ti.com
SLAS759A – AUGUST 2012 – REVISED SEPTEMBER 2012
2V_RMS DirectPath™, 112/106dB Audio Stereo DAC with 32-bit, 384kHz PCM Interface
Check for Samples: PCM5141, PCM5142
FEATURES
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•23 Programmable miniDSP
• Market-Leading Low Out-of-Band Noise
• Selectable Digital-Filter Latency and
Performance
• No DC Blocking Capacitors Required
• Integrated Negative Charge Pump
• Internal Pop-Free Control For Sample-Rate
Changes Or Clock Halts
• Intelligent Muting System; Soft Up or Down
Ramp and Analog Mute For 120dB Mute SNR
With Popless Operation
• Integrated High-Performance Audio PLL With
BCK Reference To Generate SCK Internally
• Accepts 16-, 24-, And 32-Bit Audio Data
Typical Performance (3.3V Power Supply)
Parameter
PCM5142
PCM5141
SNR
112dB
106dB
Dynamic Range
112dB
106dB
THD+N @ - 1dBFS
–93dB
–92dB
Full Scale Output
2.1V_RMS (GND center)
Normal 8× Oversampling Digital Filter Latency: 20t_S
Low Latency 8× Oversampling Digital Filter Latency: 3.5t_S
Sampling Frequency
8kHz to 384kHz
System Clock Multiples (f_SCK): 64, 128, 192, 256, 384, 512,
768, 1024, 1152, 1536, 2048, 3072; up to 50 MHz
DIN (I²S)
DOUT (I²S)
(through
any GPIO)
Digital
Volume
Control
Zero Data
Detector
Clock Halt
Detection
Program
RAM
Current
Segment
DAC
Current
Segment
DAC
Advanced Mute Control
PCM514x
SPI/I²C
GPIO
LINE OUT
MOSI/SDA/ATT2
MS/MODE2
MODE1
MC/SCL/ATT1
MISO/ADR1/FMT
GPIO6/FLT
GPIO5/ATT0
GPIO4/MAST
GPIO3/AGNS
GPIO2/ADR2/DOUT
LRCK
BCK
MCK
PLL
Clock
UVP/
Reset
POR
VCom
Charge
Pump
Power
Supply
CPVDD (3.3V)
AVDD (3.3V)
DVDD (1.8V or 3.3V)
GND
UVP/XSMT
CAPP
CAPM
VNEG
Figure 1. PCM514x Functional Block Diagram
space
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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.
System Two Cascade, Audio Precision are trademarks of Audio Precision.
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DirectPath is a trademark of Texas, Instruments, Inc..
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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.
Copyright © 2012, Texas Instruments Incorporated