PCM5100APWR Audio Power Amplifier IC Audio D/A Converter ICs 2VRMS DirectPath 100 dB Audio Stereo DAC
digital audio amplifier ic
,audio preamplifier ic
PCM5100APWR Audio Power Amplifier IC Audio D/A Converter ICs 2VRMS DirectPath 100 dB Audio Stereo DAC
1 Features
- Ultra Low Out-of-Band Noise
-
Integrated High-Performance Audio PLL with BCK
Reference to Generate SCK Internally
-
Direct Line Level 2.1-VRMS Output
-
No DC Blocking Capacitors Required
-
Line Level Output Down to 1KΩ
-
Intelligent Muting System; Soft Up or Down Ramp and Analog Mute For 120-dB Mute SNR
-
Accepts 16-, 24-, and 32-Bit Audio Data
-
PCM Data Formats: I2S, Left-Justified
-
Automatic Power-Save Mode When LRCK And BCK Are Deactivated
-
1.8 V or 3.3 V Failsafe LVCMOS Digital Inputs
-
Simple Configuration Using Hardware Pins
-
Single-Supply Operation: 14
– 3.3 V Analog, 1.8 V or 3.3 V Digital
• Qualified in Accordance with AEC-Q100
2 Applications
-
A/V Receivers, DVD, BD Players
-
Automotive Infotainment and Telematics
-
HDTV Receivers
-
Aftermarket Automotive Amplifiers
3 Description
The PCM510xA devices are a family of monolithic CMOS-integrated circuits that include a stereo digital- to-analog converter and additional support circuitry in a small TSSOP package. The PCM510xA devices use the latest generation of TI’s advanced segment- DAC architecture to achieve excellent dynamic performance and improved tolerance to clock jitter.
Using DirectpathTM charge-pump technology, the PCM510xA devices provide 2.1-VRMS ground centered outputs, allowing designers to eliminate DC blocking capacitors on the output, as well as external muting circuits traditionally associated with single- supply line drivers.
The integrated line driver surpasses all other charge- pump based line drivers by supporting loads down to 1 kΩ per pin.
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.
Intelligent clock error and PowerSense undervoltage protection utilizes a two-level mute system for pop- free performance.
Compared with many conventional switched capacitor DAC architectures, the PCM510xA family offers up to 20 dB lower out-of-band noise, reducing EMI and aliasing in downstream amplifiers/ADCs, measured from the traditional 100-kHz OBN measurements to 3 MHz).
Table 1. Device Information
|
PART NUMBER |
PACKAGE |
BODY SIZE (NOM) |
|
PCM5102A |
TSSOP (20) |
5.50 mm × 4.40 mm |
|
PCM5101A |
||
|
PCM5100A |
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