SA58670 Datasheet, PDF (6/18 Pages) NXP Semiconductors – 2.1 W/channel stereo Class D audio amplifier

NXP Semiconductors
SA58670
2.1 W/channel stereo Class D audio amplifier
9. Dynamic characteristics
Table 5. Dynamic characteristics
T_amb = 25 °C; R_L = 8 Ω; unless otherwise specified.
Symbol Parameter
Conditions
P_o
THD+N
SVRR
CMRR
output power
per channel; f = 1 kHz; THD+N = 10 %
R_L = 8 Ω; V_DD = 5.0 V
R_L = 8 Ω; V_DD = 3.6 V
R_L = 4 Ω; V_DD = 5.0 V
total harmonic
distortion-plus-noise
V_DD = 5 V; G_v = 6 dB; f = 1 kHz
P_o = 1 W
P_o = 0.5 W
supply voltage ripple
rejection
G_v = 6 dB; f = 217 Hz
V_DD = 5 V
V_DD = 3.6 V
common mode rejection V_DD = 5 V; G_v = 6 dB; f = 217 Hz
ratio
Z_i
input impedance
t_{d(sd-startup)} delay time from
shutdown to start-up
G_v = 6 dB
G_v = 12 dB
G_v = 18 dB
G_v = 24 dB
V_DD = 3.6 V
V_n(o)
noise output voltage
V_DD = 3.6 V; f = 20 Hz to 20 kHz;
inputs are AC grounded
no weighting
A weighting
Min
Typ
Max
Unit
-
1.4
-
W
-
0.72 -
W
-
2.1
-
W
-
0.14 -
%
-
0.11 -
%
-
−77
-
dB
-
−73
-
dB
-
−69
-
dB
-
28.1 -
kΩ
-
17.3 -
kΩ
-
9.8
-
kΩ
-
5.2
-
kΩ
-
3.5
-
ms
-
35
-
µV
-
27
-
µV
SA58670_1
Objective data sheet
Rev. 01 — 22 June 2007
© NXP B.V. 2007. All rights reserved.
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