TDA8948J_1
© NXP B.V. 2008. All rights reserved.
Product data sheet
Rev. 01 — 27 February 2008
19 of 26
NXP Semiconductors
TDA8948J
4-channel audio amplifier
14. Test information
14.1 Quality information
The General Quality Specification for Integrated Circuits, SNW-FQ-611 is applicable.
T
amb
= 25
°
C; external heat sink of 4.3 K/W.
(1) R
L
= 1
Ω
.
(2) R
L
= 2
Ω
.
(3) R
L
= 3
Ω
.
(4) R
L
= 4
Ω
.
(5) R
L
= 8
Ω
.
T
amb
= 25
°
C; external heat sink of 4.3 K/W.
(1) R
L
= 2
Ω
.
(2) R
L
= 4
Ω
.
(3) R
L
= 6
Ω
.
(4) R
L
= 8
Ω
.
(5) R
L
= 16
Ω
.
a. 4 times various SE loads with music signals.
b. 2 times various BTL loads with music signals.
Fig 14. Junction temperature as a function of supply voltage for various loads with music signals
8
150
100
50
0
12
16
28
V
CC
(V)
T
j
(˚C
)
24
20
mce499
(5)
(4)
(3)
(2)
(1)
8
150
100
50
0
12
16
28
V
CC
(V)
T
j
(˚C
)
24
20
mce500
(5)
(4)
(3)
(2)
(1)
