SA58631 Datasheet, PDF (10/19 Pages) NXP Semiconductors – 3 W BTL audio amplifier

Philips Semiconductors
SA58631
3 W BTL audio amplifier
3.0
P
(W)
2.0
V_CC = 9.0 V
7.5 V
1.0
5.0 V
002aac033
1.6
P
(W)
1.2
0.8
V_CC = 9.0 V
7.5 V
5.0 V
0.4
002aac034
0
0
1.0
2.0
3.0
4.0
P_o (W)
Fig 16. Power dissipation versus output power;
R_L = 8.0 Ω; G_v = 20 dB; 5 inch² heat spreader
0
0
1.0
2.0
3.0
P_o (W)
Fig 17. Power dissipation versus output power;
R_L = 16 Ω; G_v = 20 dB; 5 inch² heat spreader
100.00
P
(W)
10.00
1.00
V_CC = 5.0 V
7.5 V
9.0 V
002aac035
100.00
P
(W)
10.00
1.00
V_CC = 5.0 V
7.5 V
9.0 V
002aac036
0.10
0.10
0.01
0.01
0.10
a. f = 1 kHz; R_L = 4 Ω
1.00
10.00
P_o (W)
0.01
0.01
0.10
b. f = 1 kHz; R_L = 8 Ω
100.00
P
(W)
10.00
1.00
V_CC = 5.0 V
7.5 V
9.0 V
002aac037
1.00
10.00
P_o (W)
0.10
0.01
0.01
0.10
1.00
10.00
P_o (W)
c. f = 1 kHz; R_L = 16 Ω
Fig 18. THD + N versus output power
SA58631
Preliminary data sheet
Rev. 01 — 1 December 2005
© Koninklijke Philips Electronics N.V. 2005. All rights reserved.
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