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