Philips Semiconductors
Product specification
Hi-fi stereo audio processor; I2C-bus
TDA8425
PARAMETER
SYMBOL
MIN.
TYP.
MAX.
UNIT
BASS CONTROL
For truth table see Table 7
Control range
for C6-7; C15-16 = 33 nF
Maximum emphasis at 40 Hz with
respect to linear position
Maximum attenuation at 40 Hz with
respect to linear position
Resolution
G
G
14
11
15
12
16
dB
13
dB
Gstep
2.5
3.0
3.5
dB/step
SPATIAL AND PSEUDO FUNCTION
Spatial:
Antiphase crosstalk
Pseudo:
α
−
52
−
%
Phase shift (see Fig.8)
Note to the AC characteristics
1. Balance is realized via software by different volume settings in both channels (left and right).
tSU; STA = start code set-up time.
tHD; STA = start code hold time.
tSU; STO = stop code set-up time.
tBUF = bus free time.
tSU; DAT = data set-up time.
tHD; DAT = data hold time.
Fig.7 Timing requirements for I2C-bus.
October 1988
13
NXP [ NXP ]
