TDA1557Q Datasheet, PDF (6/10 Pages) NXP Semiconductors – 2 x 22 W BTL stereo car radio power amplifier with speaker protection

Philips Semiconductors
2 x 22 W BTL stereo car radio power
amplifier with speaker protection
DC CHARACTERISTICS
V_P = 14.4 V, T_amb = 25 °C, unless otherwise specified. See note 1.
SYMBOL
PARAMETER
CONDITIONS
Supply
V_P
I_P
V_O
∆V_os
positive supply voltage range
quiescent current
DC output voltage
DC output offset voltage
Mute/stand-by switch
V_sw
switch-on voltage level
MUTE CONDITION
V_mute
V_O
∆V_os
mute voltage
output signal in mute position
DC output offset voltage
STAND-BY CONDITION
V_sb
stand-by voltage
I_sb
DC current in stand-by condition
I_sw
switch-on current
I_P
positive supply current
note 2
note 3
V_I = 1 V max; f = 1 kHz
V₁₁ ≤ 0.5 V
0.5 < V₁₁ ≤ 2 V
short-circuit to GND;
note 4
Loudspeaker protection
∆V_{4-6, 7-9} DC voltage across R_L
Product specification
TDA1557Q
MIN. TYP. MAX. UNIT
6.0 14.4 18
V
−
80 160 mA
−
6.9 −
V
−
−
250 mV
8.5 −
−
V
3.3 −
−
−
−
−
6.4 V
20
mV
250 mV
0
−
2.0 V
−
−
100 µA
−
−
500 µA
−
30
60
µA
−
5.5 −
mA
−
−
1.0 V
May 1992
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