SA58631 Datasheet, PDF (9/19 Pages) NXP Semiconductors – 3 W BTL audio amplifier

Philips Semiconductors
SA58631
3 W BTL audio amplifier
5.0
P
(W)
4.0
3.0
2.0
1.0
V_CC = 9.0 V
7.5 V
5.0 V
002aac027
5.0
P
(W)
4.0
3.0
2.0
1.0
V_CC = 9.0 V
7.5 V
5.0 V
002aac028
0
0
0.6
1.2
1.8
2.4
P_o (W)
Fig 10. Power dissipation versus output power;
R_L = 4.0 Ω; G_v = 10 dB; 1.5 inch² heat spreader
0
0
0.6
1.2
1.8
2.4
P_o (W)
Fig 11. Power dissipation versus output power;
R_L = 4.0 Ω; G_v = 20 dB; 1.5 inch² heat spreader
3.0
P
(W)
2.0
V_CC = 9.0 V
7.5 V
002aac029
3.0
P
(W)
V_CC = 9.0 V
2.0
7.5 V
002aac030
1.0
5.0 V
1.0
5.0 V
0
0
1.0
2.0
3.0
4.0
P_o (W)
Fig 12. Power dissipation versus output power;
R_L = 8.0 Ω; G_v = 10 dB; 1.5 inch² heat spreader
0
0
1.0
2.0
3.0
4.0
P_o (W)
Fig 13. Power dissipation versus output power;
R_L = 8.0 Ω; G_v = 20 dB; 1.5 inch² heat spreader
1.6
P
(W)
1.2
0.8
V_CC = 9.0 V
7.5 V
002aac031
1.6
P
(W)
1.2
0.8
V_CC = 9.0 V
7.5 V
002aac032
5.0 V
0.4
5.0 V
0.4
0
0
1.0
2.0
3.0
P_o (W)
Fig 14. Power dissipation versus output power;
R_L = 16 Ω; G_v = 10 dB; 1.5 inch² heat spreader
0
0
1.0
2.0
3.0
P_o (W)
Fig 15. Power dissipation versus output power;
R_L = 16 Ω; G_v = 20 dB; 1.5 inch² heat spreader
SA58631
Preliminary data sheet
Rev. 01 — 1 December 2005
© Koninklijke Philips Electronics N.V. 2005. All rights reserved.
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