SA58637 Datasheet, PDF (14/22 Pages) NXP Semiconductors – 2 X 2.2 W BTL audio amplifier

NXP Semiconductors
SA58637
2 × 2.2 W BTL audio amplifier
4
P
(W)
3
001aah747
4
P_o
(W)
3
002aac286
(3)
(2)
2
2
(1)
(2)
(3)
1
1
(1)
0
0
4
(1) R_L = 4 Ω.
(2) R_L = 8 Ω.
(3) R_L = 16 Ω.
8
12
V_CC (V)
Fig 13. Worst case power dissipation as a function of
supply voltage
0
0
4
8
12
V_CC (V)
THD+N = 10 %; f = 1 kHz; G_v = 20 dB.
(1) R_L = 4 Ω.
(2) R_L = 8 Ω.
(3) R_L = 16 Ω.
Fig 14. Output power as a function of supply voltage
10²
THD+N
(%)
10
1
002aac284
(1)
(2)
(3)
10²
THD+N
(%)
10
1
002aac285
(1) (2) (3) (4)
10^−2
10^−2
10^−3
10^−2
1
10
P_o (W)
10^−3
10^−3
10^−2
1
10
P_o (W)
(1) V_CC = 6 V.
(2) V_CC = 7.5 V.
(3) V_CC = 9 V.
(1) V_CC = 6 V.
(2) V_CC = 7.5 V.
(3) V_CC = 9 V.
(4) V_CC = 12 V.
a. R_L = 8 Ω; f = 1 kHz; G_v = 20 dB
b. R_L = 16 Ω; f = 1 kHz; G_v = 20 dB
Fig 15. Total harmonic distortion-plus-noise as a function of output power
SA58637_1
Product data sheet
Rev. 01 — 25 February 2008
© NXP B.V. 2008. All rights reserved.
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