TDF8541JSSLASHN2 datasheet(26/54 Pages) NXP

26 / 54 page

TDF8541

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Product data sheet

Rev. 3 — 13 December 2011

26 of 54

NXP Semiconductors

TDF8541

I2C-bus controlled 4

 45 W power amplifier

soft or fast mute select during shut-down via pin STB

0 = activate fast mute during shut-down

1 = activate slow mute during shut-down

16 V overvoltage warning on pin DIAG

0 = 16 V overvoltage warning on pin DIAG disabled

1 = 16 V overvoltage warning on pin DIAG enabled

AC or DC load information on bits DBx[D5:D4]

0 = DC load information on bits DBx[D5:D4]

1 = AC load information on bits DBx[D5:D4]

line driver mode or low gain mode selection

0 = line driver mode; common-mode output voltage is 0.23

 V

1 = low gain mode; common-mode output voltage is 0.5

 V

P; only valid for channels

when gain is set to 16 dB

AC load detection measurement current selection

0 = AC load detection; low measurement current

1 = AC load detection; high measurement current

low VP mute undervoltage level setting

0 = low VP mute undervoltage level set to 5.5 V

1 = low VP mute undervoltage level set to 7.2 V

Table 12.

Instruction byte IB4 …continued

Bit

Description

TDF8541JS/N2 数据表(PDF) 26 Page - NXP Semiconductors

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