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SA58631 Datasheet, PDF (11/21 Pages) NXP Semiconductors – 3 W BTL audio amplifier
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NXP Semiconductors
SA58631
3 W BTL audio amplifier
3.0
P
(W)
2.0
VCC = 9.0 V
7.5 V
002aac033
1.0
5.0 V
0
0
1.0
2.0
3.0
4.0
Po (W)
Fig 16. Power dissipation versus output power;
RL = 8.0 Ω; Gv = 20 dB; 32 cm2 (5 in2)
heat spreader
1.6
P
(W)
1.2
0.8
VCC = 9.0 V
7.5 V
5.0 V
0.4
002aac034
0
0
1.0
2.0
3.0
Po (W)
Fig 17. Power dissipation versus output power;
RL = 16 Ω; Gv = 20 dB; 32 cm2 (5 in2)
heat spreader
102
THD+N
(%)
101
1
VCC = 5.0 V
7.5 V
9.0 V
002aac035
102
THD+N
(%)
101
1
VCC = 5.0 V
7.5 V
9.0 V
002aac036
10−1
10−1
10−2
10−2
10−1
a. f = 1 kHz; RL = 4 Ω
1
101
Po (W)
10−2
10−2
10−1
b. f = 1 kHz; RL = 8 Ω
102
THD+N
(%)
101
1
VCC = 5.0 V
7.5 V
9.0 V
002aac037
1
101
Po (W)
10−1
10−2
10−2
10−1
c. f = 1 kHz; RL = 16 Ω
Fig 18. THD+N versus output power
1
101
Po (W)
SA58631_2
Product data sheet
Rev. 02 — 12 October 2007
© NXP B.V. 2007. All rights reserved.
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