July 1994 6
Philips Semiconductors Product specification
2 x 6 W hi-fi audio power amplifier TDA1521A
CHARACTERISTICS
PARAMETER CONDITIONS SYMBOL MIN. TYP. MAX. UNIT
Supply voltage range
operating mode VP±7,5 ±12,0 ±20,0 V
input mute mode VP±2,0 −±5,8 V
Repetitive peak
output current IORM −−2,2 A
Operating mode: symmetrical power supply; test circuit as per Fig.11;
VP=±12 V; RL= 8 Ω; Tamb = 25 °C; f = 1 kHz
Total quiescent current without RLItot 18 40 70 mA
Output power THD = 0,5% Po56−W
THD = 10% Po6,5 8,0 −W
Total harmonic
distortion Po= 4 W THD −0,15 0,2 %
Power bandwidth THD = 0,5%
note 1 B 20 to
16 k Hz
Voltage gain Gv29 30 31 dB
Gain balance ∆Gv−0,2 1,0 dB
Noise output voltage
(r.m.s. value);
unweighted (20 Hz
to 20 kHz) RS= 2 kΩVno(rms) −70 140 µV
Input impedance |Zi| 142026kΩ
Ripple rejection note 2 SVRR 40 60 −dB
Channel separation RS= 0Ωα 46 70 −dB
Input bias current Iib −0,3 −µA
DC output offset with respect
voltage to ground VOFF −30 200 mV
Input mute mode: symmetrical power supply; test circuit as per Fig.11;
VP=±4 V; RL= 8 Ω; Tamb= 25 °C; f = 1 kHz
Total quiescent current without RLItot 9 3040mA
Output voltage Vi= 600 mV Vout −0,6 1,8 mV
Noise output voltage
(r.m.s. value);
unweighted (20 Hz to 20 kHz) RS= 2 kΩVno(rms) −70 140 µV
Ripple rejection note 2 SVRR 35 55 −dB
DC output offset with respect
voltage to ground VOFF −40 200 mV