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
5
6
−
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 k
Ω
V
no(rms)
−
70
140
µ
V
Input impedance
|Z
i
|
14
20
26
k
Ω
Ripple rejection
note 2
SVRR
40
60
−
dB
Channel separation
R
S
= 0
Ω
α
46
70
−
dB
Input bias current
I
ib
−
0,3
−
µ
A
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
30
40
mA
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 k
Ω
V
no(rms)
−
70
140
µ
V
Ripple rejection
note 2
SVRR
35
55
−
dB
DC output offset
with respect
voltage
to ground
V
OFF
−
40
200
mV
