LM4931 datasheet(41/48 Pages) NSC

Part #	LM4931

Description	Audio Subsystem with Mono High Efficiency Loudsperker and Stereo Headphone Amplifiers

PDF	48 Pages

Scroll/Zoom	100%

Manufacturer	NSC [National Semiconductor (TI)]

Direct Link	http://www.national.com

Logo

41 / 48 page

Application Information (Continued)

LOUDSPEAKER FILTERED OUTPUT — FOR MEASUREMENT PURPOSES (JP6)

Function

Filtered LS+

Filtered LS-

MULTI-USE PORT GPIO (JP14)

Function

VSS_D

GPIO

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 I

2S Bus Jumper (S14)

Jumper IN = MCLK connected to PCM bus and I

2S bus

Jumper OUT = MCLK isolated from PCM bus and I

2S bus

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

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

LM4931 Datasheet(PDF) 41 Page - National Semiconductor (TI)

LM4931 Datasheet(HTML) 41 Page - National Semiconductor (TI)

Html Pages

1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48

Datasheet Download

Link URL