Performance Curves - Philips TDA8591J Datasheet

Philips Semiconductors
4 × 44 W into 4 Ω or 4 × 75 W into 2 Ω
quad BTL car radio power amplifier
12.1

Performance curves

Conditions for Figs 12 to 28 unless otherwise specified are: V
300
handbook, halfpage
I P
(mA)
200
100
0
0 10
= ∞.
R
L
Fig.12 Supply current as a function of supply
voltage.
80
handbook, halfpage
P o
(W)
60
40
20
0
9 10 11 12
One channel driven.
(1) EIAJ values.
(2) THD + N = 10%.
(3) THD + N = 1%.
Fig.14 Output power as a function of supply
= 4 Ω.
voltage; R
L
2002 Jan 14
MGW457
20 30
V P (V)
MGW459
(1)
(2)
(3)
13 14 15 16 17 18
V P (V)
= 4 Ω: f = 1 kHz; 80 kHz filter.
= 14.4 V; R
P L
30
handbook, halfpage
G v
(dB)
28
26
24
22
20
2
10 10
V = 10 mV.
i
Fig.13 Voltage gain as a function of frequency.
120
handbook, halfpage
P o
(W)
100
80
60
40
20
0
9 10 11
One channel driven.
(1) EIAJ values.
(2) THD + N = 10%.
(3) THD + N = 1%.
Fig.15 Output power as a function of supply
voltage; R
17
Preliminary specification
TDA8591J
MGW458
3 4 5
10 10 10
f (Hz)
MGW460
(1)
(2)
(3)
12 13 14 15 16 17
V P (V)
= 2 Ω.
L
6
10
18