TDA8920 Philips Semiconductors, TDA8920 Datasheet - Page 9

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

Philips Semiconductors
Mono bridge-tied load 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. V
1998 Dec 01
P
THD
G
SVRR
V
V
CMRR
DD
Z
o
n(o)
o
2
v(cl)
i
SYMBOL
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
ripple
ripple
i
= V
50 W class-D power amplifier
i(max)
= V
= V
ripple(max)
ripple(max)
L
= 1 V (RMS).
= 8 ; f
output power
total harmonic distortion
closed loop voltage gain
efficiency
supply voltage ripple rejection
input impedance
noise output voltage
output signal
common mode rejection ratio
= 2 V (p-p); f
= 2 V (p-p); f
i
= 1 kHz; T
s
s
PARAMETER
= 0 .
= 10 k .
i
i
amb
= 100 Hz; R
= 1 kHz; R
= 25 C; measured in Fig.6; unless otherwise specified.
s
.
s
s
= 0 .
= 0 .
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
mute; note 8
V
o
o
i(CM)(rms)
f
f
i
i
= 1 W; note 1
= tbf W; f
= 1 kHz
= 10 kHz
9
CONDITIONS
= 1 V
i
= 1 kHz; note 2
p
p
= 30 V
= 30 V
tbf
tbf
35
tbf
tbf
80
40
MIN.
100
130
150
190
0.1
0.2
36
tbf
66
66
60
140
tbf
140
65
Preliminary specification
TYP.
TDA8920
0.15
37
280
tbf
MAX.
W
W
W
W
%
%
dB
%
dB
dB
dB
dB
k
mV
dB
UNIT
V
V
V