4 v; r, As a function of v, Fig.9 p – Philips TDA8571J User Manual
Page 11: Fig.10 thd + n as a function of p, Fig.11 thd + n as a function of frequency
2002 Mar 05
11
Philips Semiconductors
Product specification
4
×
40 W BTL quad car radio power
amplifier
TDA8571J
Test information
Figures 8 to 13 have the following conditions: V
P
= 14.4 V; R
L
= 4
Ω
; f = 1 kHz; 80 kHz filter used; unless otherwise
specified.
Fig.8 I
P
as a function of V
P
.
handbook, halfpage
0
300
200
100
0
4
VP (V)
IP
(mA)
20
8
12
16
MGM566
Fig.9 P
o
as a function of V
P
.
(1) EIAJ; 100 Hz.
(2) THD + N = 10%.
(3) THD + N = 0.5%.
handbook, halfpage
8
18
80
60
0
20
40
10
Po
(W)
VP (V)
12
14
16
MGM567
(3)
(1)
(2)
Fig.10 THD + N as a function of P
o
.
(1) f = 10 kHz.
(2) f = 1 kHz.
(3) f = 100 Hz.
handbook, halfpage
10
1
Po (W)
10
−
1
10
−
2
MGM568
10
−
2
10
−
1
1
10
10
2
THD
+
N
(%)
(1)
(2)
(3)
Fig.11 THD + N as a function of frequency.
(1) P
o
= 1 W.
(2) P
o
= 10 W.
handbook, halfpage
10
1
f (Hz)
10
−
1
10
−
2
MGM569
10
10
2
10
3
10
4
10
5
THD
+
N
(%)
(1)
(2)