Datasheet

DocID14256 Rev 6 7/13
TDA7388 Electrical specifications
2.3 Electrical characteristics
V
S
= 14.4 V; f = 1 kHz; R
g
= 600 ; R
L
= 4 ; T
amb
= 25 °C; Refer to the test and application
diagram (Figure 2), unless otherwise specified.
Table 4. Electrical characteristics
Symbol Parameter Test condition Min. Typ. Max. Unit
I
q1
Quiescent current R
L
= 120 190 350 mA
V
OS
Output offset voltage Play mode - - ±100 mV
dV
OS
During mute ON/OFF output
offset voltage
ITU R-ARM weighted
see Figure 12
-80 - +80 mV
G
v
Voltage gain - 25 26 27 dB
P
o
Output power THD = 10 %; V
S
= 14.4 V 22 26 - W
P
o max
Max.output power
(1)
V
S
= 14.4 V 37 41 -
W
V
S
= 15.2 V - 45 -
THD Distortion P
o
= 4 W - 0.04 0.15 %
e
No
Output noise
"A" Weighted - 50 70 µV
Bw = 20 Hz to 20 kHz - 70 100 µV
SVR Supply voltage rejection f = 100 Hz; V
r
= 1 Vrms 50 65 - dB
f
ch
High cut-off frequency P
o
= 0.5 W 100 200 - kHz
R
i
Input Impedance - 70 100 - k
C
T
Cross talk
f = 1 kHz; P
o
= 4 W 60 70 - dB
f = 10 kHz; P
o
= 4 W - 60 - dB
I
SB
Standby current
consumption
V
St-by
= 0V - - 20 µA
V
SB out
Standby OUT threshold
voltage
(Amp: ON) 3.5 - - V
V
SB IN
Standby IN threshold voltage (Amp: OFF) - - 1.5 V
A
M
Mute attenuation P
Oref
= 4 W 80 90 - dB
V
M out
Mute OUT threshold voltage (Amp: play) 3.5 - - V
V
M in
Mute IN threshold voltage (Amp: mute) - - 1.5 V
V
AM in
V
S
automute threshold
(Amp: mute); Att.  80 dB;
P
Oref
= 4 W
(Amp: play); Att. < 0.1 dB;
P
O
= 0.5 W
-
7.6
6.5
8.5
V
I
pin22
Muting pin current V
MUTE
= 1.2 V (Source current) 5 11 20 µA
1. Saturated square wave output.
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