NXP Semiconductors SA58670A Fig 13. Supply current as a function of output power

SA58670A_2 © NXP B.V. 2008. All rights reserved.
Product data sheet Rev. 02 — 23 October 2008 14 of 24
NXP Semiconductors SA58670A
2.1 W/channel stereo class-D audio amplifier
(1) left channel; RL=8Ω.
(2) right channel; RL=4Ω.
(3) right channel; RL=8Ω.
Fig 11. Supply voltage as a function of shutdown
voltage Fig 12. Supply current as a function of supply voltage
VSDR; VSDL (V)
0321
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2
4
6
VDD
(V)
0
2.5 V
3.6 V
5 V
VDD (V)
2.5 5.54.53.5
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3.5
4.5
5.5
IDD
(mA)
2.5
(1)
(2)
(3)
a. RL=4Ωb. RL=8Ω
(1) VDD = 2.5 V.
(2) VDD = 3.6 V.
(3) VDD = 5.0 V.
Fig 13. Supply current as a function of output power
0
1200
800
400
1600
IDD
(mA)
Po (W)
0 2.01.60.8 1.20.4
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(1) (2) (3)
0
600
400
200
800
IDD
(mA)
Po (W)
0 1.61.20.4 0.8
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(1) (2) (3)