TDA8920 Philips Semiconductors, TDA8920 Datasheet - Page 8

• Manufacturer Part Number: TDA8920
• Description: 2 x 50 W class-D power amplifier
• Manufacturer: Philips Semiconductors

Philips Semiconductors
AC CHARACTERISTICS
Stereo single-ended application
V
Notes
1. Total harmonic distortion is measured in a bandwidth of 22 Hz to 22 kHz, using an 11th-order low-pass filter. When
2. Output power measured across the loudspeaker load.
3. V
4. V
5. B = 22 Hz to 22 kHz; R
6. B = 22 Hz to 22 kHz; R
7. B = 22 Hz to 22 kHz; independent of R
8. P
9. V
1998 Dec 01
P
THD
G
SVRR
V
V
CMRR
DD
Z
o
n(o)
cs
o
2
v(cl)
SYMBOL
i
G
distortion is measured using a lower order low-pass filter a significantly higher value will be found, due to the
switching frequency outside the audio band.
= 25 V; R
v
ripple
ripple
o
i
= V
= tbf W; R
50 W class-D power amplifier
i(max)
= V
= V
ripple(max)
ripple(max)
L
= 1 V (RMS).
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
common mode rejection ratio V
= 8 ; f
s
= 0 .
= 2 V (p-p); f
= 2 V (p-p); f
PARAMETER
i
= 1 kHz; T
s
s
= 0 .
= 10 k .
i
i
amb
= 100 Hz; R
= 1 kHz; R
= 25 C; measured in Fig.5; unless otherwise specified.
s
.
s
THD = 0.5%
THD = 10%
THD = 0.5%; V
THD = 10%; V
P
P
on; note 3
on; note 4
mute; note 3
standby; note 3
on; note 5
on; note 6
mute; note 7
note 8
mute; note 9
s
= 0 .
o
o
i(CM)(rms)
f
f
= 0 .
i
i
= 1 W; note 1
= tbf W; f
= 1 kHz
= 10 kHz
CONDITIONS
= 1 V
8
i
= 1 kHz; note 2
p
p
= 30 V
= 30 V
tbf
tbf
29
85
tbf
80
50
MIN.
30
35
40
50
0.1
0.2
30
90
60
tbf
60
80
120
100
tbf
100
tbf
65
TYP.
Preliminary specification
0.15
31
200
1
500
MAX.
TDA8920
W
W
W
W
%
%
dB
%
dB
dB
dB
dB
k
dB
dB
dB
V
V
V
V
UNIT