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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 V
P
± 7,5 ± 12,0 ± 20,0 V
input mute mode V
P
± 2,0 −±5,8 V
Repetitive peak
output current I
ORM
−−2,2 A
Operating mode: symmetrical power supply; test circuit as per Fig.11;
V
P
= ± 12 V; R
L
= 8 Ω; T
amb
= 25 °C; f = 1 kHz
Total quiescent current without R
L
I
tot
18 40 70 mA
Output power THD = 0,5% P
o
56−W
THD = 10% P
o
6,5 8,0 − W
Total harmonic
distortion P
o
= 4 W THD − 0,15 0,2 %
Power bandwidth THD = 0,5%
note 1 B 20 to
16 k Hz
Voltage gain G
v
29 30 31 dB
Gain balance ∆G
v
− 0,2 1,0 dB
Noise output voltage
(r.m.s. value);
unweighted (20 Hz
to 20 kHz) R
S
= 2 kΩ V
no(rms)
− 70 140 µV
Input impedance |Z
i
| 142026kΩ
Ripple rejection note 2 SVRR 40 60 − dB
Channel separation R
S
= 0 Ωα 46 70 − dB
Input bias current I
ib
− 0,3 −µA
DC output offset with respect
voltage to ground V
OFF
− 30 200 mV
Input mute mode: symmetrical power supply; test circuit as per Fig.11;
V
P
= ± 4 V; R
L
= 8 Ω; T
amb
= 25 °C; f = 1 kHz
Total quiescent current without R
L
I
tot
9 3040mA
Output voltage V
i
= 600 mV V
out
− 0,6 1,8 mV
Noise output voltage
(r.m.s. value);
unweighted (20 Hz to 20 kHz) R
S
= 2 kΩ V
no(rms)
− 70 140 µV
Ripple rejection note 2 SVRR 35 55 − dB
DC output offset with respect
voltage to ground V
OFF
− 40 200 mV