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July 1994 7
Philips Semiconductors Product specification
2 x 6 W hi-fi audio power amplifier TDA1521A
Notes to the characteristics
1. Power bandwidth at P
o max
−3 dB.
2. Ripple rejection at R
S
= 0 Ω , f = 100 Hz to 20 kHz; ripple voltage = 200 mV (r.m.s. value) applied to positive or
negative supply rail.
Operating mode: asymmetrical power supply; test circuit as per Fig.12;
V
P
= 24 V; R
L
= 8 Ω; T
amb
= 25 °C; f = 1 kHz
Total quiescent current I
tot
18 40 70 mA
Output power THD = 0,5% P
o
56−W
THD = 10% P
o
6,5 8 − W
Total harmonic distortion P
o
= 4 W THD − 0,13 0,2 %
Power bandwidth THD = 0,5% 40 to
note 1 B 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
| 1420 26kΩ
Ripple rejection SVRR 35 44 − dB
Channel separation R
S
= 0 Ωα −45 − dB
PARAMETER CONDITIONS SYMBOL MIN. TYP. MAX. UNIT