TDA8425 Datasheet, PDF (7/24 Pages) NXP Semiconductors – Hi-fi stereo audio processor; I2C-bus

Philips Semiconductors
Hi-fi stereo audio processor; I²C-bus
Product specification
TDA8425
Truth tables
Truth tables for the switch functions
Table 3 Source selector
function
stereo
stereo
sound A
sound B
sound A
sound B
ML1 ML0 IS channel
1
1 01
1
1 12
0
1 01
1
0 01
0
1 12
1
0 12
Table 4 Pseudo stereo/spatial stereo/linear stereo/forced mono
choice
spatial stereo
linear stereo
pseudo stereo
forced mono⁽¹⁾
STL
1
1
0
0
EFL
1
0
1
0
Table 5 Mute
mute
active; automatic
after POR⁽²⁾
not active
MU
1
0
Notes
1. Pseudo stereo function is not possible in this mode.
2. Where: POR = Power-ON Reset.
Truth tables for the volume, bass and treble controls
Table 6 Volume control
2 dB/step
(dB)
6
4
V×5
1
1
V×4
1
1
V×3
1
1
−62
0
1
1
−64
0
1
1
≤ −80
0
1
1
≤ −80
0
0
0
V×2
1
1
1
1
0
0
V×1
1
1
0
0
1
0
V×0
1
0
1
0
1
0
October 1988
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