Philips Semiconductors
Product specification
4 x 11 W single-ended or 2 x 22 W power
amplifier
TDA1554Q
AC CHARACTERISTICS
V = 14.4 V; R = 4 Ω; f = 1 kHz; T = 25 °C; measurements taken using Fig.3 for stereo BTL application and Fig.4 for
amb
P
L
quad single-ended application unless otherwise specified
PARAMETER
CONDITIONS
SYMBOL
MIN.
TYP.
MAX.
UNIT
Stereo BTL application
Output power
THD = 0.5%
THD = 10%
THD = 0.5%
THD = 10%
P
P
P
P
15
20
−
17
22
12
17
−
−
−
−
−
W
W
W
W
%
o
o
o
o
Output power at V = 13.2 V
P
−
Total harmonic distortion
Power bandwidth
P = 1 W
THD
−
0.1
o
THD = 0.5%
P = −1 dB
o
w.r.t. 15 W
B
−
20 to
−
Hz
w
15 000
Low frequency roll-off
note 3
−1 dB
−1 dB
f
f
−
45
−
−
−
Hz
L
High frequency roll-off
20
25
kHz
dB
H
Closed loop voltage gain
G
26
27
v
Supply voltage ripple rejection
note 4
ON
RR
RR
RR
48
48
80
25
−
−
dB
dB
dB
kΩ
mute
−
−
stand-by
Input impedance
Noise output voltage
(RMS value)
ON
−
−
|Z |
30
38
i
R = 0 Ω; note 5
V
V
−
−
70
−
µV
µV
S
no(rms)
ON
R = 10 kΩ;
100
200
S
no(rms)
note 5
mute
notes 5 and 6
V
−
60
−
−
−
1
µV
dB
dB
no(rms)
Channel separation
Channel unbalance
R = 10 kΩ
α
40
−
S
|∆G |
−
v
May 1992
6
NXP [ NXP ]
