LMV331I datasheet(13/20 Pages) TI

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2.3

Loudspeaker Connectors (J100

… J600)

2.4

Optional Header for Line Out and Headphone (J10)

Loudspeaker Connectors (J100

… J600)

Table 2-2. J70 Pin Description

PIN NUMBER

NET-NAME AT SCHEMATICS

DESCRIPTION

VDD

Output stage power supply

System power supply

GND

Ground

GND

Ground

CAUTION

Both positive and negative speaker outputs are floating and may not be

connected to ground (e.g. through an oscilloscope).

Figure 2-3. J100

… J600 Pin Numbers (PCB connector top view)

Table 2-3. J100 - J600 Pin Description

PIN NUMBER

NET-NAME AT SCHEMATICS

DESCRIPTION

OUT_A

Speaker negative output

OUT_B

Speaker positive output

This is a optional interface for line out and headphone connections.

Table 2-4. J10 Pin Description

PIN NUMBER

DESCRIPTION

Left line out channel PWM (M)

Left line out channel PWM (P)

/Valid for line out channels

Right line out channel PWM (M)

Right line out channel PWM (P)

Ground

Left headphone channel (M)

Left headphone channel (P)

Right headphone channel (M)

Right headphone channel (P)

Headphone select – Active when low and inactive when high

Ground

System Interfaces

SLEU058 – October 2004

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