TDA8948J_1
© NXP B.V. 2008. All rights reserved.
Product data sheet
Rev. 01 — 27 February 2008
12 of 26
NXP Semiconductors
TDA8948J
4-channel audio amplifier
V
CC
= 17 V; f
i
= 1 kHz; R
L
= 4
Ω
.
V
CC
= 17 V; f
i
= 1 kHz; R
L
= 8
Ω
.
a. SE
b. BTL
Fig 6.
Total harmonic distortion-plus-noise as a function of output power
10
2
10
1
10
−
1
10
−
2
mce488
10
−
1
10
2
1
10
P
o
(W)
THD
+
N
(%)
10
2
10
1
10
−
1
10
−
2
mce487
10
−
1
1
THD
+
N
(%)
10
P
o
(W)
10
2
V
CC
= 17 V; P
o
= 1 W; R
L
= 4
Ω
.
V
CC
= 17 V; P
o
= 1 W; R
L
= 8
Ω
.
a. SE
b. BTL
Fig 7.
Total harmonic distortion-plus-noise as a function of frequency
10
1
10
−
1
10
−
2
mce489
10
THD
+
N
(%)
f (Hz)
10
2
10
3
10
4
10
5
10
1
10
−
1
10
−
2
mce490
10
THD
+
N
(%)
f (Hz)
10
2
10
3
10
4
10
5
