tda8426 NXP Semiconductors, tda8426 Datasheet - Page 12

• Manufacturer Part Number: tda8426
• Description: Hi-fi Stereo Audio Processor; I2c-bus
• Manufacturer: NXP Semiconductors

Philips Semiconductors
March 1991
Crosstalk between inputs at gain = 0 dB;
Total harmonic distortion
Channel separation at 10 kHz
Ripple rejection (gain = 0 dB;
Crosstalk attenuation from logic
VOLUME CONTROL
For truth table see Table 6
Control range at f = 1 kHz (36 steps)
Gain tracking error; balance in mid-position
Step resolution
TREBLE CONTROL
For truth table see Table 8
Control range
Maximum emphasis at 15 kHz with
Maximum attenuation at 15 kHz with
Resolution
Hi-fi stereo audio processor; I
1 kHz; opposite inputs grounded (50 );
IN1L (pin 18) to IN2L (pin 1) or
IN1R (pin 20) to IN2R (pin 3)
(f = 20 Hz to 12.5 kHz)
for V
gain = +6 dB to 40 dB
for V
gain = 0 dB to 40 dB
for V
gain = 12 dB to 40 dB
gain = 0 dB
bass and treble in linear position)
f
inputs to AF outputs (gain = 0 dB;
bass and treble in linear position)
maximum voltage gain (6 dB step)
minimum voltage gain ( 64 dB step)
mute position
gain from 6 dB to 40 dB
gain from 42 dB to 64 dB
for C
respect to linear position
respect to linear position
ripple
i(rms)
i(rms)
i(rms)
8-5;
= 100 Hz
C
= 0.3 V;
= 0.6 V;
= 2.0 V;
14-5
= 5.6 nF
PARAMETER
2
C-bus
THD
THD
THD
RR
G
G
G
G
G
G
G
G
G
cr
cs
L
max
min
mute
step
step
step
SYMBOL
100
12
5
1.5
1.0
11
11
2.5
63
80
MIN.
100
0.05
0.07
0.1
80
50
100
6
2.0
2.0
12
12
3.0
64
90
TYP.
0.4
2
2.5
3.0
13
13
3.5
MAX.
Product specification
TDA8426
dB
%
%
%
dB
dB
dB
dB
dB
dB
dB
dB/step
dB/step
dB
dB
dB/step
UNIT