July 1994 7
Philips Semiconductors Product specification
2 x 22 W stereo BTL differential amplifier
with speaker protection and dynamic TDA1556Q
AC CHARACTERISTICS
Vp = 14.4 V; RL = 4Ω; f = 1 kHz; Tamb = 25 °C; unless otherwise specified
SYMBOL PARAMETER CONDITION MIN. TYP. MAX. UNIT
POoutput power THD = 0.5% 15 17 −W
THD = 10% 20 22 −W
THD = 0.5%;
VP = 13.2 V
−12 −W
THD = 10%;
VP = 13.2 V
−17 −W
THD total harmonic distortion PO = 1 W −0.1 −%
B power bandwidth THD = 0.5%;
PO = −1 dB; with
respect to 15 W
−20 to
15000
−Hz
fllow frequency roll-off −1 dB; note 4 −25 −Hz
fhhigh frequency roll-off −1 dB 20 −−kHz
Gvclosed loop voltage gain 25 26 27 dB
SVRR supply voltage ripple rejection note 5
ON condition 48 −−dB
MUTE condition 48 −−dB
stand-by condition 80 −−dB
Ziinput impedance 100 120 150 kΩ
∆Ziinput impedance note 6 −4−%
Vno noise output voltage ON: Rs = 0 Ω; note 7 −70 120 µV
ON: Rs = 10 kΩ;
note 7
−100 −µV
MUTE: Rs = 10 kΩ;
notes 7 and 8
−60 −µV
αchannel separation Rs = 10 kΩ40 −−dB
∆Gvchannel unbalance −−1dB
CMRR common mode rejection ratio note 9 64 72 −dB
THD total harmonic distortion IDDD = 50 µA (peak) −3.5 −%