Philips Semiconductors
Product specification
2 x 22 W BTL stereo car radio power
amplifier with speaker protection
TDA1557Q
DC CHARACTERISTICS
VP = 14.4 V, Tamb = 25 °C, unless otherwise specified. See note 1.
SYMBOL
Supply
PARAMETER
CONDITIONS
MIN.
TYP. MAX. UNIT
VP
positive supply voltage range
quiescent current
note 2
note 3
6.0
14.4
80
18
V
IP
−
−
−
160
−
mA
V
VO
∆Vos
DC output voltage
6.9
−
DC output offset voltage
250
mV
Mute/stand-by switch
Vsw
switch-on voltage level
8.5
−
−
V
MUTE CONDITION
Vmute
VO
mute voltage
3.3
−
−
−
−
6.4
20
V
output signal in mute position
DC output offset voltage
VI = 1 V max; f = 1 kHz
mV
mV
∆Vos
−
250
STAND-BY CONDITION
Vsb
Isb
stand-by voltage
0
−
2.0
V
DC current in stand-by condition
V
11 ≤ 0.5 V
−
−
−
−
−
100
500
60
µA
µA
µA
mA
0.5 < V11 ≤ 2 V
−
Isw
IP
switch-on current
30
5.5
positive supply current
short-circuit to GND;
note 4
−
Loudspeaker protection
∆V4-6, 7-9 DC voltage across RL
−
−
1.0
V
May 1992
6
NXP [ NXP ]
