TDA8931
Philips Semiconductors
Power comparator 1 × 20 W
001aac019
001aac020
100
2.5
(1)
(2)
n
(%)
P
d
(W)
80
60
40
20
0
2.0
1.5
1.0
0.5
0
(1)
(2)
−2
−1
2
0
4
8
12
16
20
10
10
1
10
10
P
(W)
P (W)
o
o
(1) VP = 30 V; RL = 8 Ω.
(2) VP = 22 V; RL = 4 Ω.
Conditions: fi = 1 kHz.
(1) VP = 30 V; RL = 8 Ω.
(2) VP = 22 V; RL = 4 Ω.
Conditions: fi = 1 kHz.
Fig 16. Efficiency as a function of total output power
Fig 17. Power dissipation as a function of total output
power
15. Test information
Remark: Only valid if the TDA8931 is used as an audio amplifier.
15.1 Quality information
The General Quality Specification for Integrated Circuits, SNW-FQ-611 is applicable.
9397 750 13847
© Koninklijke Philips Electronics N.V. 2005. All rights reserved.
Preliminary data sheet
Rev. 01 — 14 January 2004
24 of 31
NXP [ NXP ]
