TDA8424 Datasheet, PDF (12/23 Pages) NXP Semiconductors – Hi-Fi stereo audio processor; I2C-bus

Philips Semiconductors
Hi-Fi stereo audio processor; I²C-bus
Product specification
TDA8424
SYMBOL
PARAMETER
CONDITIONS
MIN.
TYP. MAX.
Outputs
α_cs
RR₁₀₀
α_L
channel separation at 10 kHz
ripple rejection
crosstalk attenuation from logic
inputs to AF outputs
gain = 0 dB
f_ripple = 100 Hz;
V_r(RMS) < 200 mV
gain = 0 dB
gain = 0 dB
−
80
−
−
50
−
−
100
−
Volume control (see Table 6)
G_max
G_min
G_mute
G_err
G_step
control range (36 steps)
maximum voltage gain
minimum voltage gain
mute position
gain tracking error;
balance in mid-position
step resolution
gain from +6 dB to −40 dB
gain from −42 dB to −64 dB
f = 1 kHz
6 dB step
−64 dB step
Treble control (see Table 8)
G_emp
G_att
control range
maximum emphasis at 15 kHz
with respect to linear position
maximum attenuation at
15 kHz
with respect to linear position
C_8-5; C_14-5 = 5.6 nF
G_step
resolution
Bass control (see Table 7)
G_emp
G_att
G_step
control range
maximum emphasis at 40 Hz
with respect to linear position
maximum attenuation at 40Hz
with respect to linear position
resolution
C_6-7; C_15-16 = 33 nF
Spatial function
α
antiphase crosstalk
5
6
−
−63
−64
−
−80
−90
−
−
−
2
1.5
2.0
2.5
1.0
2.0
3.0
11
12
13
11
12
13
2.5
3.0
3.5
14
15
16
11
12
13
2.5
3.0
3.5
−
52
−
Note to the characteristics
1. Balance is obtained via software by different volume settings in both channels (left and right).
UNIT
dB
dB
dB
dB
dB
dB
dB
dB/step
dB/step
dB
dB
dB/step
dB
dB
dB/step
%
September 1992
12