TDA7389A Electrical specifications
7/14
THD Distortion P
o
= 4W 0.04 0.10 %
e
No
Output noise
"A" Weighted 50 70 V
Bw = 20 Hz to 20 kHz 70 100 V
SVR Supply voltage rejection f = 100Hz; V
r
= 1V
rms
50 75 dB
f
ch
High cut-off frequency P
o
= 0.5W 100 200 KHz
R
i
Input Impedance 70 100 150 K
C
T
Cross talk
f = 1 kHz; P
o
= 4W 60 75 dB
f = 10 kHz; P
o
= 4W 60 dB
I
SB
Standby current
consumption
V
St-by
= 1.2V 50
A
V
St-by
= 0V 25
I
pin4
Standby pin current V
St-by
= 1.2 to 2.6V ±1 A
V
SB out
Standby Out threshold
voltage
(Amp: On) 2.6 V
V
SB IN
Standby In threshold voltage (Amp: Off) 1.2 V
A
M
Mute attenuation P
Oref
= 4 W 80 90 dB
V
M out
Mute Out threshold voltage (Amp: play) 2.6 V
V
M in
Mute In threshold voltage (Amp: mute) 1.2 V
V
AM in
V
S
automute threshold
(Amp: mute); Att 80 dB;
P
Oref
= 4
(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)
51120
A
V
MUTE
= 2.6 V -5 - -20
Offset detector
OD
LK
OD leakage current 1 µA
V
off
Detected diff. output offset V
St-by
=5 V 1.5 ±2 2.5 V
V
Pin2_Fw27
Pin2_Fw27 voltage
for Detection = True
I
pin2
= 1 mA
V
St-by
=5V; |V
off
| > 2.5 V 0.2 0.4 V
Clipping detector
CD
LK
Clip det high leakage current CD Off 1 A
CD
SAT
Clip det sat voltage DC On; I
CD
= 1 mA 0.2 0.4 V
CD
THD
Clip det THD level P
o
> 16 W 2 %
1. Saturated square wave output.
Table 4. Electrical characteristics (continued)
(V
S
= 14.4V; f = 1KHz; R
g
= 600; R
L
= 4; T
amb
= 25°C; Refer to the test and application
diagram (Figure 14), unless otherwise specified.)
Symbol Parameter Test condition Min. Typ. Max. Unit
Obsolete Product(s) - Obsolete Product(s)
