Philips Semiconductors
2 x 22 W BTL car radio power amplifier
with diagnostic facility
Preliminary specification
TDA1551Q
AC CHARACTERISTICS
VP = 14.4 V; Tamb = 25°C; f = 1 kHz; RL = 4 Ω; unless otherwise specified.
SYMBOL
PARAMETER
CONDITIONS
Stereo BTL application (Fig.7)
PO
output power
THD = 0.5%
PO
output power
THD
B
fLOW
fHIGH
Gv
VPRR
total harmonic distortion
power bandwidth
low frequency roll-off
high frequency roll-off
closed loop voltage gain
supply voltage ripple rejection
Zi
input impedance
Vno
noise output voltage
α
∆Gv
channel separation
channel unbalance
dynamic distortion detector
switch level
Quad single-ended application (Fig.6)
PO
output power
PO
output power
THD
fLOW
fHIGH
Gv
VPRR
total harmonic distortion
low frequency roll-off
high frequency roll-off
closed loop voltage gain
supply voltage ripple rejection
Zi
input impedance
Vno
noise output voltage
VP = 13.2V
THD = 0.5%
THD = 10%
PO = 1 W
THD = 0.5%; PO = −1 dB
with respect to 15 W
at −3 dB; note 3
at −1 dB
ON; note 4
MUTE; note 4
standby; note 4
ON; RS = 0; note 5
ON; RS = 10 kΩ; note 5
MUTE; notes 5 and 6
RS = 10 kΩ
THD = 0.5%; note 7
THD = 10%; note 7
RL = 2 Ω
THD = 0.5%; note 7
THD = 10%; note 7
PO = 1 W
at −3 dB; note 3
at −1 dB
ON; note 4
MUTE; note 4
stand-by; note 4
ON; RS = 0; note 5
ON; RS = 10 kΩ; note 5
July 1994
8
MIN.
15
20
-
-
-
-
-
20
25
48
48
80
25
-
-
-
40
−
−
4
5.5
7.5
10
−
−
20
19
48
48
80
50
−
−
TYP.
17
22
12
17
0.05
20 -
15000
25
-
26
-
-
-
30
70
100
60
-
−
3.5
5
6
8.5
11
0.05
25
−
20
−
−
−
60
50
70
MAX. UNIT
-
W
-
W
-
W
-
W
-
%
-
Hz
-
Hz
-
kHz
27 dB
-
dB
-
dB
-
dB
38 kΩ
-
µV
200 µV
-
µV
-
dB
1 dB
−
%
−
W
−
W
−
W
−
W
−
%
−
Hz
−
kHz
21 dB
−
dB
−
dB
−
dB
75 kΩ
−
µV
100 µV