Philips Semiconductors
4 × 44 W into 4 Ω or 4 × 75 W into 2 Ω
quad BTL car radio power amplifier
Preliminary specification
TDA8591J
102
handbook, halfpage
THD + N
(%)
10
MGW465
1
(1)
10 − 1
(2)
10 − 2
(3)
10 − 2
10 − 1
1
10
102
Po (W)
(1) f = 10 kHz.
(2) f = 1 kHz.
(3) f = 100 Hz.
Fig.20 Total harmonic distortion plus noise as a
function of output power; RL = 4 Ω.
102
handbook, halfpage
THD + N
(%)
10
MGW467
1
(1)
10 − 1
(2)
(3)
10 − 2
10 − 2
10 − 1
1
10
102
Po (W)
(1) f = 10 kHz.
(2) f = 1 kHz.
(3) f = 100 Hz.
Fig.21 Total harmonic distortion plus noise as a
function of output power; RL = 2 Ω.
102
handbook, halfpage
THD + N
(%)
10
MGW466
102
handbook, halfpage
THD + N
(%)
10
MGW468
1
1
10 − 1
10 − 2
10
(1)
(2)
102
103
104
105
f (Hz)
10 − 1
10 − 2
10
(1)
(2)
102
103
104
105
f (Hz)
(1) Po = 1 W.
(2) Po = 10 W.
Fig.22 Total harmonic distortion plus noise as a
function of frequency; RL = 4 Ω.
(1) Po = 1 W.
(2) Po = 10 W.
Fig.23 Total harmonic distortion plus noise as a
function of frequency; RL = 2 Ω.
2002 Jan 14
19