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
5
6
−
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 k
Ω
V
no(rms)
−
70
140
µ
V
Input impedance
|Z
i
|
14
20
26
k
Ω
Ripple rejection
SVRR
35
44
−
dB
Channel separation
R
S
= 0
Ω
α
−
45
−
dB
PARAMETER
CONDITIONS
SYMBOL
MIN.
TYP.
MAX.
UNIT