TDF8541JSSLASHN2 datasheet(25/54 Pages) NXP

25 / 54 page

TDF8541

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Product data sheet

Rev. 3 — 13 December 2011

25 of 54

NXP Semiconductors

TDF8541

I2C-bus controlled 4

 45 W power amplifier

soft mute channel 1 and channel 3

0 = soft mute disabled

1 = soft mute enabled (mute delay 15 ms)

soft mute channel 2 and channel 4

0 = soft mute disabled

1 = soft mute enabled (mute delay 15 ms)

fast mute all amplifier channels

0 = fast mute disabled

1 = fast mute enabled

Table 11.

Instruction byte IB3

Bit

Description

amplifier channel 1 and channel 3 gain select

0 = 26 dB

1 = 16 dB

amplifier channel 2 and channel 4 gain select

0 = 26 dB

1 = 16 dB

temperature pre-warning level

0 = warning level at Tj(AV)(pwarn) = 160 C

1 = warning level at Tj(AV)(pwarn) = 135 C

enable or disable channel 3

0 = channel 3 enabled

1 = channel 3 disabled

enable or disable channel 1

0 = channel 1 enabled

1 = channel 1 disabled

enable or disable channel 4

0 = channel 4 enabled

1 = channel 4 disabled

enable or disable channel 2

0 = channel 2 enabled

1 = channel 2 disabled

Table 12.

Instruction byte IB4

Bit

Description

common-mode voltage filtered by SVR capacitor

0 = filter common-mode voltage

1 = DC-to-DC converter connected (SVR capacitor not used to filter common-mode

voltage)

Table 10.

Instruction byte IB2 …continued

Bit

Description

TDF8541JS/N2 数据表(PDF) 25 Page - NXP Semiconductors

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