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PCM5142 Datasheet(PDF) 64 Page - Texas Instruments

Part # PCM5142
Description  PCM514x 2-VRMS DirectPath™, 112/106-dB Audio Stereo DAC With 32-bit, 384-kHz PCM Interface
PDF  123 Pages
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Manufacturer  TI2 [Texas Instruments]
Direct Link  https://www.ti.com
Logo TI2 - Texas Instruments

PCM5142 Datasheet(HTML) 64 Page - Texas Instruments

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System
VDD
XSMT
7.25kW
2.75kW
12V
supply
PCM5141, PCM5142
SLAS759B – AUGUST 2012 – REVISED JANUARY 2016
www.ti.com
External Power Sense Undervoltage Protection Mode (continued)
Figure 83. XSMT in External UVP Mode
Figure 84. XSMT Timing for Undervoltage Protection
The trigger voltage values for the soft mute and hard mute are shown in Table 47. The range of values will vary
from device to device, but typical thresholds are shown. XSMT should be set up to nominally be 3.3 V along with
DVDD, but derived from a higher system power supply rail.
Table 47. Distribution of Voltage Thresholds
MIN
TYP
MAX
UNIT
Soft Mute Threshold Voltage
2
2.2
0.9 × DVDD
V
Hard Mute Threshold Voltage
0.1 × DVDD
0.9
1.2
V
64
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Product Folder Links: PCM5141 PCM5142



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