Table of Contents
Advertisement
Philips Semiconductors
2 × 25 W class-D power amplifier
8. B = 22 Hz to 22 kHz; independent of R
= 0 Ω; f
9. P
= 1 W; R
o
s
10. V
= V
= 1 V (RMS); maximum limit is guaranteed, but may not be 100% tested.
i
i(max)
15 DYNAMIC AC CHARACTERISTICS (MONO BTL APPLICATION)
= ±15 V; R
= 8 Ω; f
V
P
L
i
otherwise specified.
SYMBOL
PARAMETER
P
output power
o
THD
total harmonic distortion
G
closed loop voltage gain
v(cl)
η
efficiency
SVRR
supply voltage ripple rejection
Z
input impedance
i
V
noise output voltage
n(o)
V
output signal in mute
o(mute)
CMRR
common mode rejection ratio
Notes
1. R
is the series resistance of inductor of low-pass LC filter in the application.
sL
2. Output power is measured indirectly; based on R
3. Total harmonic distortion is measured in a bandwidth of 22 Hz to 22 kHz. When distortion is measured using a low
order low-pass filter a significant higher value will be found, due to the switching frequency outside the audio band.
Maximum limit is guaranteed but may not be 100% tested.
4. Output power measured across the loudspeaker load.
5. V
= V
= 2 V (p-p); R
ripple
ripple(max)
6. B = 22 Hz to 22 kHz; R
7. B = 22 Hz to 22 kHz; R
8. B = 22 Hz to 22 kHz; independent of R
9. V
= V
= 1 V (RMS); f
i
i(max)
2003 Mar 20
.
s
= 1 kHz.
i
= 1 kHz; f
= 310 kHz; R
osc
= 0 Ω.
s
= 0 Ω; maximum limit is guaranteed, but may not be 100% tested.
s
= 10 kΩ.
s
.
s
= 1 kHz; maximum limit is guaranteed, but may not be 100% tested.
i
< 0.1 Ω (note 1); T
sL
amb
CONDITIONS
= 8 Ω; V
= ±15 V; note 2
R
L
P
THD = 0.5%
THD = 10%
P
= 1 W; note 3
o
f
= 1 kHz
i
f
= 10 kHz
i
P
= 50 W; f
= 1 kHz; note 4
o
i
operating; note 5
f
= 100 Hz
i
f
= 1 kHz
i
mute; f
= 100 Hz; note 5
i
standby; f
= 100 Hz; note 5
i
operating
= 0 Ω; note 6
R
s
R
= 10 kΩ; note 7
s
mute; note 8
note 9
V
= 1 V (RMS)
i(CM)
measurement.
DSon
15
Objective specification
= 25 °C; measured in Fig.10; unless
MIN.
TYP.
37
40
46
50
−
0.015
−
0.02
35
36
85
90
−
49
36
44
−
49
−
80
22
34
−
280
−
300
−
280
−
−
−
75
TDA8922
MAX.
UNIT
−
W
−
W
0.05
%
−
%
37
dB
−
%
−
dB
−
dB
−
dB
−
dB
−
kΩ
µV
560
−
µV
−
µV
µV
500
−
dB
Advertisement
Table of Contents
