TDA7468D13TR Datasheet TDA7468D13TR, TDA7468D | P16-P18

TDA7468

16/23

Target Volume (dB) Volume1 1dB step (dB) Volume1 8dB step (dB) Volume2 8dB step (dB)

-48 0 -24 -24

-49 -1

-50 -2

-51 -3

-52 -4

-53 -5

-54 -6

-55 -7

-56 0 -32 -24

-57 -1

-58 -2

-59 -3

-60 -4

-61 -5

-62 -6

-63 -7

-64 0 -40 -24

-65 -1

-66 -2

-67 -3

-68 -4

-69 -5

-70 -6

-71 -7

-72 0 -48 -24

-73 -1

-74 -2

-75 -3

-76 -4

-77 -5

-78 -6

-79 -7

-80 0 -56 -24

-81 -1

-82 -2

-83 -3

-84 -4

-85 -5

-86 -6

-87 -7

Table 12. VOLUME setting 2 (continua)

17/23

TDA7468

Table 13. TREBLE & BASS SELECTION

(*) When BASS is programmed in the range -14dB/0dB, ALC is automatically switched to "OFF".

Table 14. OUTPUT

MSB LSB

D7 D6 D5 D4 D3 D2 D1 D0 TREBLE

0 0 0 0 -14dB

0 0 0 1 -12dB

0 0 1 0 -10dB

0011 -8dB

0100 -6dB

0101 -4dB

0110 -2dB

0111 0dB

1 0 0 0 14dB

1 0 0 1 12dB

1 0 1 0 10dB

1011 8dB

1100 6dB

1101 4dB

1110 2dB

1111 0dB

BASS (*)

0 0 0 0 -14dB

0 0 0 1 -12dB

0 0 1 0 -10dB

0011 -8dB

0100 -6dB

0101 -4dB

0110 -2dB

0111 0dB

1 0 0 0 14dB

1 0 0 1 12dB

1 0 1 0 10dB

1011 8dB

1100 6dB

1101 4dB

1110 2dB

1111 0dB

MSB LSB

D7 D6 D5 D4 D3 D2 D1 D0 MUTE

0ON

1OFF

TDA7468

18/23

Table 15. BASS ALC

MSB LSB BASS ALC

D7 D6 D5 D4 D3 D2 D1 D0

ALC Mode

1ON

0OFF

Detector

1ON

0OFF

Release Current Circuit

1ON

0OFF

Attack Time Resistor

0 0 12.5KΩ

0 1 25KΩ

1 0 50KΩ

1 1 100KΩ

Threshold

0 0 700mVrms

0 1 485mVrms

1 0 320mVrms

1 1 170mVrms

Attack Mode

0 MODE 1: Fixed Resistor

1 MODE 2: Adaptive

Figure 9. BASS ALC : Threshold curve Figure 10. BASS ALC : THD

0.1

0.01 0.1 1

RMS

)

(VRMS)

D00AU1100

Supply Voltage : 9.0V

Frequency : 60Hz

Bassfilter : 60Hz/28dB boost

Internal release circuit : ON

Attack mode : 12.5kohm, mode2(adaptive)

Threshold1

Threshold2

Threshold4

Threshold3

0.001

0.01

0.1

0.01 0.1 1V

RMS

)

THD

[%]

Threshold4

Threshold3

Threshold2

Threshold1

Supply Voltage : 9.0V

Frequency : 60Hz

Bassfilter : 60Hz/28dB boost

Internal release circuit : ON

Attack mode : 12.5kohm, mode2(adaptive)

D99AU1101

P1-P3 P4-P6 P7-P9 P10-P12 P13-P15 P16-P18 P19-P21 P22-P23

TDA7468D13TR

Mfr. #:

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Manufacturer:

STMicroelectronics

Description:

Multimedia Misc 2 Bands Digitally Controled Audio Proc

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TDA7468D13TR

TDA7468D13TR

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