PCM5310PAPR datasheet(18/103 Pages) TI

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ANALOG OUTPUTS

DAC-1L

PGA-L01L

AIN1L

AIN2L

AIN3L

AIN4L

AIN5L

AIN6L

AIN1R

AIN2R

AIN3R

AIN4R

AIN5R

AIN6R

PGA-L01R

PGA-L02L

PGA-L02R

PGA-HPOL

PGA-HPOR

DAC-1R

DAC-2L

DAC-2R

PCM5310

SLES244 – FEBRUARY 2009 ............................................................................................................................................................................................ www.ti.com

The PCM5310 includes a four-channel digital-to-analog converter (DAC), two stereo line outputs with analog

level control, a headphone output with analog volume control, and an analog multiplexer (mux) with analog direct

input path. Line outputs (LO1L, LO1R, LO2L, LO2R) have a 2-VRMS capability without external amplifiers. If an

audio application requires a higher output voltage level, the PCM5310 can achieve a 2.4-VRMS output.

The headphone output (HPOL, HPOR) has a driving capability of more than 30 mW of output power into a 16-

Ω

load at 0.1% THD, and an analog volume with zero crossing that can be controlled from –70 dB to 12 dB. For

audio applications that require it, the analog volume for the the L- and R-channels can be set simultaneously

using the headphone output update control.

The line outputs and headphone output can select analog input sources from all the analog inputs and each DAC

channel, as shown in Figure 29. The descriptions for the analog output registers are shown in Table 2.

Figure 29. Analog Outputs

Table 2. Analog Output Registers

Gain level control for line outputs

GL2R[1:0], GL2L[1:0], GL1R[1:0], GL1L[1:0]

2.0 VRMS or 2.4 VRMS selection for line outputs

G242, G241

Headphone volume zero crossing update control

HUPE, HSUR, HSUL, HZRS

Headphone output volume level setting

31, 32

HMUL, HMUR, HVOL[6:0], HVOR[6:0]

Analog output mux selection for line output 1

AL1R[3:0], AL1L[3:0]

Analog output mux selection for line output 2

AL2R[3:0], AL2L[3:0]

Analog output mux selection for headphone output

AHPR[3:0], AHPL[3:0]

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PCM5310PAPR Datasheet(PDF) 18 Page - Texas Instruments

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