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PCM5242RHBT PDF预览

PCM5242RHBT

更新时间： 2024-09-16 11:13:59
品牌 Logo 应用领域
德州仪器 - TI /
页数 文件大小 规格书
129页 2695K
描述
4.2VRMS DirectPath™、32 位、384kHz、114dB 音频立体声 DAC | RHB | 32 | -25 to 85

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PCM5242RHBT 数据手册

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Sample &  
Buy  
Support &  
Community  
Product  
Folder  
Tools &  
Software  
Technical  
Documents  
PCM5242  
SLASE12A –JULY 2014–REVISED OCTOBER 2014  
PCM5242 4.2-V DirectPath™, 114-dB Audio Stereo Differential-Output DAC with 32-bit,  
RMS  
384-kHz PCM Interface  
1 Features  
3 Description  
The PCM5242 is a monolithic CMOS integrated  
circuit that includes  
converter and additional support circuitry in a small  
QFN package. The PCM5242 uses the latest  
1
•
•
•
•
•
•
Differential DirectPath™ Ground Biased Outputs  
Market-Leading Low Out-of-Band Noise  
Selectable Digital-Filter Latency and Performance  
No DC Blocking Capacitors Required  
a
stereo digital-to-analog  
generation  
architecture  
of  
to  
TI’s  
advanced  
achieve  
segment-DAC  
dynamic  
excellent  
Integrated Negative Charge Pump  
performance and improved tolerance to clock jitter.  
Intelligent Muting System; Soft Up or Down Ramp  
and Analog Mute for 120dB Mute SNR  
The PCM5242 integrates fully programmable  
a
miniDSP core, allowing developers to integrate filters,  
dynamic range controls, custom interpolators and  
other differentiating features to their products.  
•
Integrated High-Performance Audio PLL With  
BCK Reference to Generate SCK Internally  
•
•
Accepts 16-, 24-, and 32-Bit Audio Data  
The PCM5242 provides 4.2VRMS ground-centered  
differential outputs, allowing designers to eliminate  
DC blocking capacitors on the output, as well as  
external muting circuits traditionally associated with  
single supply line drivers.  
PCM Data Formats: I2S, Left-Justified, Right-  
Justified, TDM  
•
•
•
SPI or I2C Control  
Software or Hardware Configuration  
The integrated PLL on the device removes the  
requirement for a system clock (commonly known as  
master clock), allowing a 3-wire I2S connection and  
reducing system EMI.  
Automatic Power-Save Mode When LRCK And  
BCK Are Deactivated  
•
•
1.8V or 3.3V Failsafe LVCMOS Digital Inputs  
Single Supply Operation:  
Device Information(1)  
–
3.3V Analog, 1.8V or 3.3V Digital  
PART NAME  
PCM5242  
PACKAGE  
BODY SIZE (NOM)  
•
•
Integrated Power-On Reset  
VQFN (32)  
5.00mm × 5.00mm  
Small 32-terminal QFN Package  
(1) For all available packages, see the orderable addendum at  
the end of the datasheet.  
2 Applications  
•
•
•
•
HiFi Smartphone  
A/V Receivers  
DVD, BD Players  
HDTV Receivers  
4 Simplified System Diagram  
2
DOUT  
I
S
2ch Single Ended  
BCK  
Current Segment DAC  
TPA3130  
PCM1863/5  
miniDSPs,  
Filters  
LRCK  
IN  
AUX  
2ch Single Ended  
PCM5242  
TPA6120A2  
Analog  
Sensor  
BT Module  
WiLAN chip  
MSP430  
- Light Intensity  
- Ultrasonic  
- Battery Level  
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.  
 
 
 
 
 
 
 
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PCM5242RHBT 替代型号

型号 品牌 替代类型 描述 数据表
PCM5242RHBR TI

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 4.2VRMS DirectPath™、32 位、384kHz、114dB 音频立体声 D

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