May 1988

16

Philips Semiconductors

Product specification

TDA8421

Note to the AC characteristics

1. Balance is realized via software by different volume settings in both channels.

Headphone channel (CH2)

Control range

maximum voltage gain (0 dB step)

−1

−−

dB

minimum voltage gain (

−62 dB step)

−57

−−

dB

last position

−80

−85

−

dB

mute position

−85

−90

−

dB

Resolution

−

2

−

dB/step

Gain difference between left and

right AF channel (note 1)

gain from 0 dB to

−40 dB

∆G

−−

0,5

dB

gain from

−40 dB to −62 dB

∆G

−−

2dB

PARAMETER

SYMBOL

MIN.

TYP.

MAX.

UNIT