PCM5142 datasheet(59/123 Pages) TI2

59 / 123 page

PCM514x

DNP

10 F 16V

3.3V

3.3VA

AGND

Right Channel Line Output

Left Channel Line Output

3.3V

0.1 F

100V

10 F

16V

0.1 F

100V

DNP

10 F

16V

DNP

10 F

16V

0.1 F

100V

0.1 F

100V

2.2mF

25V

2.2mF

25V

DNP

10 F

16V

470W

2.2nF 50V

PCM5141, PCM5142

www.ti.com

SLAS759B – AUGUST 2012 – REVISED JANUARY 2016

9 Application and Implementation

NOTE

Information in the following applications sections is not part of the TI component

specification, and TI does not warrant its accuracy or completeness. TI’s customers are

responsible for determining suitability of components for their purposes. Customers should

validate and test their design implementation to confirm system functionality.

9.1 Application Information

The PCM514x family is flexible, and this flexibility gives rise to a number of design questions that define the

design requirements for a given application.

9.2 Typical Application

Figure 77. Simplified Schematic, Hardware-Controlled Subsystem

9.2.1 Design Requirements

•

Single-ended 2.1-VRMS analog outputs

•

3-wire I2S interface (BCK PLL)

•

Single 3.3-V supply

9.2.2 Detailed Design Procedure

•

Clock and PLL setup (See Reset and System Clock Functions.) Ensure incoming BCK meets minimum

requirements.

•

XSMT pin setup for 12-V monitoring (See External Power Sense Undervoltage Protection Mode.)

•

Single-supply 3.3-V operation (See Setting Digital Power Supplies and I/O Voltage Rails.)

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PCM5142 Datasheet(PDF) 59 Page - Texas Instruments

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