1995 Dec 19

18

Philips Semiconductors

Preliminary specification

Sound fader control circuit

TEA6321

Table 6

Treble setting

Notes

1. Recommended data word for step 0 dB.

2. Result of 1.5 dB boost and 1.5 dB attenuation.

3. The last eight treble control data words select treble output.

4. The last treble control and bass control data words (00000) enable the external equalizer connection.

(dB)

DATA

TR4

TR3

TR2

TR1

TR0

+12.0

11111

+10.5

11110

+12.0

11101

+10.5

11100

+12.0

11011

+10.5

11010

+12.0

11001

+10.5

11000

+9.0

10111

+7.5

10110

+6.0

10101

+4.5

10100

+3.0

10011

+1.5

10010

10001

10000

−1.5

01111

−3.0

01110

−4.5

01101

−6.0

01100

−7.5

01011

−9.0

01010

−10.5

01001

−12.0

01000

note 3

00111

note 3

00110

note 3

00101

note 3

00100

note 3

00011

note 3

00010

note 3

00001

notes 3 and 4

00000