Philips Semiconductors
4 x 11 W single-ended or 2 x 22 W power
amplifier with distortion detector
Product specification
TDA1555Q
AC CHARACTERISTICS
VP = 14.4 V; RL = 4 Ω; f = 1 kHz; Tamb = 25 °C; measurements taken using Fig.3 for stereo BTL application and Fig.4 for
quad single-ended application unless otherwise specified
PARAMETER
CONDITIONS
SYMBOL MIN. TYP. MAX. UNIT
Stereo BTL application
Output power
Output power at VP = 13.2 V
Total harmonic distortion
Power bandwidth
Low frequency roll-off
High frequency roll-off
Closed loop voltage gain
Supply voltage ripple rejection
ON
mute
stand-by
Input impedance
Noise output voltage
(RMS value)
ON
ON
mute
Channel separation
Channel unbalance
Distortion detector
THD = 0.5%
THD = 10%
THD = 0.5%
THD = 10%
Po = 1 W
THD = 0.5%
Po = −1 dB
w.r.t. 15 W
note 3
−1 dB
−1 dB
note 4
Po
15
17
−
W
Po
20
22
−
W
Po
−
12
−
W
Po
−
17
−
W
THD
−
0.1
−
%
Bw
−
20 to −
Hz
15 000
fL
−
45
−
Hz
fH
20
−
−
kHz
Gv
25
26
27
dB
RR
48
−
−
dB
RR
48
−
−
dB
RR
80
−
−
dB
|Zi|
25
30
38
kΩ
RS = 0 Ω; note 5
Vno(rms)
−
RS = 10 kΩ; note 5 Vno(rms)
−
notes 5 and 6
Vno(rms)
−
RS = 10 kΩ
α
40
|∆Gv|
−
IDD = 50 µA
THD
2
70
−
µV
100
200
µV
60
−
µV
−
−
dB
−
1
dB
−
5
%
May 1992
6