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| SA58670A Datasheet, PDF (6/24 Pages) NXP Semiconductors – 2.1 W/channel stereo class-D audio amplifier | |||
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NXP Semiconductors
SA58670A
2.1 W/channel stereo class-D audio ampliï¬er
9. Dynamic characteristics
Table 5. Dynamic characteristics
Tamb = 25 °C; RL = 8 â¦; unless otherwise speciï¬ed[1].
Symbol Parameter
Conditions
Po
THD+N
SVRR
CMRR
output power
per channel; f = 1 kHz; THD+N = 10 %
RL = 8 â¦; VDD = 3.6 V
RL = 8 â¦; VDD = 5.0 V
RL = 4 â¦; VDD = 5.0 V
total harmonic
distortion-plus-noise
VDD = 5.0 V; Gv(cl) = 6 dB; f = 1 kHz
Po = 0.5 W
Po = 1.0 W
supply voltage ripple
rejection
Gv(cl) = 6 dB; f = 217 Hz
VDD = 3.6 V
VDD = 5.0 V
common mode rejection VDD = 5.0 V; Gv(cl) = 6 dB; f = 217 Hz
ratio
Zi
input impedance
td(sd-startup) delay time from
shutdown to start-up
Gv(cl) = 6 dB
Gv(cl) = 12 dB
Gv(cl) = 18 dB
Gv(cl) = 24 dB
VDD = 3.6 V
Vn(o)
output noise voltage
VDD = 3.6 V; f = 20 Hz to 20 kHz;
inputs are AC grounded
no weighting
A weighting
[1] VDD is the supply voltage on pins PVDD and pin AVDD.
Min
Typ
Max
Unit
-
0.72 -
W
-
1.4
-
W
-
2.1
-
W
-
0.11 -
%
-
0.14 -
%
-
â73
-
dB
-
â77
-
dB
-
â69
-
dB
-
28.1 -
kâ¦
-
17.3 -
kâ¦
-
9.8
-
kâ¦
-
5.2
-
kâ¦
-
3.5
-
ms
-
35
-
µV
-
27
-
µV
SA58670A_2
Product data sheet
Rev. 02 â 23 October 2008
© NXP B.V. 2008. All rights reserved.
6 of 24
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