TAS5414A datasheet(28/48 Pages) TI

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TAS5414A, TAS5424A

SLOS535A – JULY 2007 – REVISED FEBRUARY 2008

Table 13. External Control Register 1 (0x08) Gain Select (continued)

FUNCTION

–

Set channel 4 gain to 32 dB

Table 14. External Control Register 2 (0x09) DC Offset Reduction and Current Limit

FUNCTION

Enable dc offset reduction, set current limit to level 1

–

Disable channel 1 dc offset reduction

–

Disable channel 2 dc offset reduction

–

Disable channel 3 dc offset reduction

–

Disable channel 4 dc offset reduction

–

Set channel 1 current limit (0 = level 1, 1 = level 2)

–

Set channel 2 current limit (0 = level 1, 1 = level 2)

–

Set channel 3 current limit (0 = level 1, 1 = level 2)

–

Set channel 4 current limit (0 = level 1, 1 = level 2)

Table 15. External Control Register 3 (0x0A) Switching Frequency Select and Clip_OTW Configuration

FUNCTION

Set fS = 417 kHz, configure clip and OTW, 45° phase, disable hard stop

–

Set fS = 500 kHz

–

Set fS = 357 kHz

–

Invalid frequency selection (do not set)

–

Configure CLIP_OTW pin for tweeter detect only

–

Configure CLIP_OTW pin for clip detect only

–

Configure CLIP_OTW pin for overtemperature warning only

–

Enable hard-stop mode

–

Set fS to a 180° phase difference between adjacent channels

–

Reserved

Table 16. External Control Register 4 (0x0B) Load Diagnostics and Master/Slave Control

FUNCTION

Disable load diagnostics and dc detect SD, master mode

–

Enable channel 1, load diagnostics

–

Enable channel 2, load diagnostics

–

Enable channel 3, load diagnostics

–

Enable channel 4, load diagnostics

–

Enable dc detect shutdown on all channels

–

Enable tweeter-detect mode

–

Enable slave mode (external oscillator must be provided)

–

Reserved

Table 17. External Control Register 5 (0x0C) Output Control

FUNCTION

All channels, Hi-Z, mute, reset disabled

–

Set channel 1 to mute mode, non-Hi-Z

–

Set channel 2 to mute mode, non-Hi-Z

–

Set channel 3 to mute mode, non-Hi-Z

–

Set channel 4 to mute mode, non-Hi-Z

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