NXP Semiconductors SA58670A - Manual (Page 6)

SA58670A_2 © NXP B.V. 2008. All rights reserved.
Product data sheet Rev. 02 — 23 October 2008 6 of 24
NXP Semiconductors
SA58670A
2.1 W/channel stereo class-D audio amplifier
9. Dynamic characteristics
[1] V
DD
is the supply voltage on pins PVDD and pin AVDD.
Table 5. Dynamic characteristics
T
amb
= 25
°
C; R
L
= 8
Ω
; unless otherwise specified [1] .
Symbol Parameter Conditions Min Typ Max Unit
P
o
output power per channel; f = 1 kHz; THD+N = 10 %
R
L
= 8
Ω
; V
DD
= 3.6 V - 0.72 - W
R
L
= 8
Ω
; V
DD
= 5.0 V - 1.4 - W
R
L
= 4
Ω
; V
DD
= 5.0 V - 2.1 - W
THD+N total harmonic
distortion-plus-noise V
DD
= 5.0 V; G
v(cl)
= 6 dB; f = 1 kHz
P
o
= 0.5 W - 0.11 - %
P
o
= 1.0 W - 0.14 - %
SVRR supply voltage ripple
rejection G
v(cl)
= 6 dB; f = 217 Hz
V
DD
= 3.6 V -
−
73 - dB
V
DD
= 5.0 V -
−
77 - dB
CMRR common mode rejection
ratio V
DD
= 5.0 V; G
v(cl)
= 6 dB; f = 217 Hz -
−
69 - dB
Z
i
input impedance G
v(cl)
= 6 dB - 28.1 - k
Ω
G
v(cl)
= 12 dB - 17.3 - k
Ω
G
v(cl)
= 18 dB - 9.8 - k
Ω
G
v(cl)
= 24 dB - 5.2 - k
Ω
t
d(sd-startup)
delay time from
shutdown to start-up V
DD
= 3.6 V - 3.5 - ms
V
n(o)
output noise voltage V
DD
= 3.6 V; f = 20 Hz to 20 kHz;
inputs are AC grounded
no weighting - 35 -
µ
V
A weighting - 27 -
µ
V