TDA8922 PHILIPS [NXP Semiconductors], TDA8922 Datasheet - Page 14

• Manufacturer Part Number: TDA8922
• Description: 2 x 25 W class-D power amplifier
• Manufacturer: PHILIPS [NXP Semiconductors]

Philips Semiconductors
14 DYNAMIC AC CHARACTERISTICS (STEREO AND DUAL SE APPLICATION)
V
otherwise specified.
Notes
1. R
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 lower
4. Output power measured across the loudspeaker load.
5. V
6. B = 22 Hz to 22 kHz; R
7. B = 22 Hz to 22 kHz; R
2003 Mar 20
P
THD
G
SVRR
V
V
CMRR
SYMBOL
P
Z
o
n(o)
cs
o(mute)
2
v(cl)
= 20 V; R
i
G
order low-pass filter a significantly higher value is found, due to the switching frequency outside the audio band.
Maximum limit is guaranteed but may not be 100% tested.
v
ripple
sL
is the series resistance of inductor of low-pass LC filter in the application.
25 W class-D power amplifier
= V
output power
total harmonic distortion
closed loop voltage gain
efficiency
supply voltage ripple rejection
input impedance
noise output voltage
channel separation
channel unbalance
output signal in mute
common mode rejection ratio
ripple(max)
L
= 8 ; f
= 2 V (p-p); R
i
PARAMETER
= 1 kHz; f
s
s
= 0 ; maximum limit is guaranteed, but may not be 100% tested.
= 10 k .
osc
s
= 310 kHz; R
= 0 .
sL
R
R
R
P
P
operating; note 5
mute; f
standby; f
operating
mute; note 8
note 9
note 10
V
o
o
i(CM)
L
L
L
THD = 0.5%
THD = 10%
THD = 0.5%
THD = 10%
THD = 0.5%
THD = 10%
f
f
f
f
R
R
< 0.1
i
i
i
i
DSon
= 1 W; note 3
= 25 W; f
= 8 ; V
= 8 ; V
= 4 ; V
= 1 kHz
= 10 kHz
= 100 Hz
= 1 kHz
s
s
= 0 ; note 6
= 10 k ; note 7
= 1 V (RMS)
i
measurement.
= 100 Hz; note 5
14
i
CONDITIONS
(note 1); T
= 100 Hz; note 5
P
P
P
i
= 1 kHz; note 4
= 20 V; note 2
= 25 V; note 2
= 15 V; note 2
amb
= 25 C; measured in Fig.10; unless
18
22
29
36
18
22
29
85
40
45
MIN.
20
25
33
40
20
25
0.02
0.15
30
90
55
50
55
80
68
200
230
220
70
75
TYP.
Objective specification
TDA8922
0.05
31
400
1
400
MAX.
W
W
W
W
W
W
%
%
dB
%
dB
dB
dB
dB
k
dB
dB
dB
UNIT
V
V
V
V