Philips Semiconductors
2 x 22 W stereo BTL differential amplifier
with speaker protection and dynamic
Product specification
TDA1556Q
AC CHARACTERISTICS
Vp = 14.4 V; RL = 4 Ω; f = 1 kHz; Tamb = 25 °C; unless otherwise specified
SYMBOL
PARAMETER
CONDITION
PO
output power
THD
B
total harmonic distortion
power bandwidth
fl
fh
Gv
SVRR
low frequency roll-off
high frequency roll-off
closed loop voltage gain
supply voltage ripple rejection
Zi
∆Zi
Vno
input impedance
input impedance
noise output voltage
α
∆Gv
CMRR
THD
channel separation
channel unbalance
common mode rejection ratio
total harmonic distortion
THD = 0.5%
THD = 10%
THD = 0.5%;
VP = 13.2 V
THD = 10%;
VP = 13.2 V
PO = 1 W
THD = 0.5%;
PO = −1 dB; with
respect to 15 W
−1 dB; note 4
−1 dB
note 5
ON condition
MUTE condition
stand-by condition
note 6
ON: Rs = 0 Ω; note 7
ON: Rs = 10 kΩ;
note 7
MUTE: Rs = 10 kΩ;
notes 7 and 8
Rs = 10 kΩ
note 9
IDDD = 50 µA (peak)
MIN.
15
20
−
−
−
−
−
20
25
48
48
80
100
−
−
−
−
40
−
64
−
TYP.
17
22
12
17
0.1
20 to
15000
25
−
26
−
−
−
120
4
70
100
60
−
−
72
3.5
MAX.
−
−
−
−
−
−
−
−
27
−
−
−
150
−
120
−
−
−
1
−
−
UNIT
W
W
W
W
%
Hz
Hz
kHz
dB
dB
dB
dB
kΩ
%
µV
µV
µV
dB
dB
dB
%
July 1994
7