TAS5706APAPRG4 datasheet(59/71 Pages) TI1

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LOUDNESS BIQUAD GAIN INVERSE REGISTER (0x26)

LOUDNESS SCALE REGISTER (0x28)

DRC CONTROL (0x46)

BANK SWITCH AND HEADPHONE DRC/EQ CONTROL (0x50)

TAS5706A

TAS5706B

www.ti.com............................................................................................................................................. SLOS606D – MARCH 2009 – REVISED SEPTEMBER 2009

Bit D6 of the volume configuration register (0x0E) enables/disables gain compensation for BQ1. D6 = 0 disables

gain compensation (default); D6 = 1 enables gain compensation. Max/min biquad gain = ±4.

Table 25. Loudness Biquad Gain Inverse Register (3.23 Format)

CONTENT

DEFINITION

u[31:26], x[25:0]

1/G (1)

(1)

G = gain of the biquad

Table 26. Loudness Scale Register (3.23 Format)

CONTENT

DEFINITION

u[31:26], x[25:0]

Scale = 1/(1 – 1/G) (1)

(1)

G = gain of the biquad

FUNCTION

–

DRC1 (satellite channels) turned OFF (1)

–

DRC1 (satellite channels) turned ON

–

DRC2 (subchannel ) turned OFF (1)

–

DRC2 (subchannel ) turned ON

–

DRC1 independent of channel 3 (1)

–

DRC1 dependent of channel 3

–

DRC1 independent of channel 4 (1)

–

DRC1 dependent of channel 4

(1)

Default values are in bold.

Table 27. Bank Switching Command

FUNCTION

–

No bank switching. All updates to DAP (1)

–

Configure bank 1 (32 kHz)

–

Configure bank 2 (44.1/48 kHz)

–

Configure bank 3 (88.2/96 kHz and above)

–

Automatic bank selection

–

Reserved

–

DRC disabled in headphone mode (1)

–

DRC enabled in headphone mode

–

EQ disabled in headphone mode (1)

–

EQ enabled in headphone mode

(1)

Default values are in bold.

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TAS5706A is Not Recommended for New Designs

TAS5706APAPRG4 Datasheet(PDF) 59 Page - Texas Instruments

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