TDA8927 Philips Semiconductors, TDA8927 Datasheet - Page 13

• Manufacturer Part Number: TDA8927
• Description: Power stage 2 x 80 W class-D audio amplifier
• Manufacturer: Philips Semiconductors

Philips Semiconductors
13 AC CHARACTERISTICS
Notes
1. V
2. Indirectly measured; based on R
3. Total Harmonic Distortion (THD) is measured in a bandwidth of 22 Hz to 22 kHz. When distortion is measured using
4. Efficiency for power stage; output power measured across the loudspeaker load.
5. V
2001 Dec 11
Single-ended application; note 1
P
THD
G
Mono BTL application; note 5
P
THD
G
o
o
Power stage 2
audio amplifier
v(cl)
v(cl)
SYMBOL
specified.
a low-order low-pass filter a significantly higher value will be found, due to the switching frequency outside the audio
band.
specified.
P
P
= 25 V; R
= 25 V; R
output power
total harmonic distortion
closed-loop voltage gain
efficiency
output power
total harmonic distortion
closed loop voltage gain
efficiency
L
L
= 4 ; f
= 8 ; f
PARAMETER
i
i
80 W class-D
= 1 kHz; T
= 1 kHz; T
ds(on)
amb
amb
measurement.
= 25 C; measured in reference design in Figs 9 and 11; unless otherwise
= 25 C; measured in reference design in Figs 9 and 11; unless otherwise
R
R
R
R
P
P
R
R
R
R
P
P
o
o
o
o
L
L
L
L
L
L
L
L
f
f
f
f
i
i
i
i
= 4 ; THD = 0.5%; V
= 4 ; THD = 10%; V
= 4 ; THD = 0.5%; V
= 4 ; THD = 10%; V
= 1 W; note 3
= 30 W; f
= 8 ; THD = 0.5%; V
= 8 ; THD = 10%; V
= 4 ; THD = 0.5%; V
= 4 ; THD = 10%; V
= 1 W; note 3
= 30 W; f
= 1 kHz
= 10 kHz
= 1 kHz
= 10 kHz
13
CONDITIONS
i
i
= 1 kHz; note 4
= 1 kHz; note 4
P
P
P
P
P
P
P
P
= 25 V
= 27 V
= 25 V
= 17 V
= 25 V
= 27 V
= 25 V
= 17 V
50
60
60
74
29
100
128
80
100
35
MIN.
(2)
(2)
(2)
(2)
(2)
(2)
(2)
(2)
55
65
65
80
0.01
0.1
30
94
112
140
87
110
0.01
0.1
36
94
TYP.
Objective specification
TDA8927
0.05
31
0.05
37
MAX.
W
W
W
W
%
%
dB
%
W
W
W
W
%
%
dB
%
UNIT