TDF8541SDSLASHN2 datasheet(6/54 Pages) NXP

6 / 54 page

TDF8541

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Product data sheet

Rev. 3 — 13 December 2011

6 of 54

NXP Semiconductors

TDF8541

I2C-bus controlled 4

 45 W power amplifier

6.2 Pin description

Table 3.

Pin description

Symbol

Description

TDF8541J/SD/JS

TDF8541TH

ADSEL

I2C-bus address select

STB

stand-by (I2C-bus mode) or mode pin (legacy mode)

programmable second clip indicator

PGND2

channel 2 power ground

OUT2



channel 2 negative output (right rear)

DIAG

diagnostic and clip detection output

OUT2+

channel 2 positive output (right rear)

VP2

power supply voltage 2

OUT1



channel 1 negative output (right front)

PGND1

channel 1 power ground

OUT1+

channel 1 positive output (right front)

SVR

half supply voltage filter capacitor

IN1

channel 1 input

IN2

channel 2 input

SGND

signal ground

IN4

channel 4 input

IN3

channel 3 input

ACGND

AC ground

OUT3+

channel 3 positive output (left front)

PGND3

channel 3 power ground

OUT3



channel 3 negative output (left front)

VP1

power supply voltage 1

OUT4+

channel 4 positive output (left rear)

SCL

I2C-bus clock input

OUT4



channel 4 negative output (left rear)

PGND4

channel 4 power ground

SDA

I2C-bus data input and output

TAB

heatsink connection; must be connected to ground

n.c.

12, 19, 20,

21, 22, 31,

33, 34, 35

not connected

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