LM4931ITLSLASHNOPB datasheet(37/50 Pages) TI1

Part #	LM4931ITL/NOPB

Description	Audio Power Amplifier Series Audio Subsystem with Mono High Efficiency Loudspeaker and Stereo Headphone Amplifiers

PDF	50 Pages

Scroll/Zoom	100%

Manufacturer	TI1 [Texas Instruments]

Direct Link	http://www.ti.com

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37 / 50 page

LM4931

www.ti.com

SNAS251E – APRIL 2004 – REVISED MAY 2013

Table 36. LOUDSPEAKER DIRECT OUTPUT (JP5)

Function

LS+

LS-

Table 37. LOUDSPEAKER FILTERED OUTPUT — FOR MEASUREMENT PURPOSES (JP6)

Function

Filtered LS+

Filtered LS-

Table 38. MULTI-USE PORT GPIO (JP14)

Function

VSS_D

GPIO

Table 39. PCM LOOPBACK JUMPER

Function

PCM_SDI

PCM_SDO

MODE Select Jumper (S1)

Jumper IN = LOW

Jumper OUT = HIGH

Crystal MCLK Jumper (S13)

Jumper IN = MCLK Supplied by on-board crystal oscillator

Jumper OUT = MCLK supplied by other source, crystal oscillator isolated

MCLK to PCM Bus and I2S Bus Jumper (S14)

Jumper IN = MCLK connected to PCM bus and I2S bus

Jumper OUT = MCLK isolated from PCM bus and I2S bus

Table 40. PLL FILTER SELECT JUMPERS (S6–S9)

Jumper

IN/OUT

Function

S6 + S7

2nd Order Filter Select

S8 + S9

OUT

S6 + S7

OUT

3rd Order Filter Select

S8 + S9

Table 41. POWER SUPPLY JUMPERS (S3–S5, S10–S12)

Jumper

Function

connects VDD_D and VDD_PLL

connects VDD_PLL and VDD_LS

connects VDD_A and VDD_LS

S10

connects VSS_D and VSS_PLL

S11

connects VSS_PLL and LSGND

S12

connects VSS_A and LSGND

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LM4931ITL/NOPB Datasheet(PDF) 37 Page - Texas Instruments

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