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Philips Semiconductors
12. Dynamic characteristics
Table 8:
Dynamic characteristics
V
= 12 V; T
= 25 C; R
CC
amb
Symbol
Parameter
P
output power
o
THD
total harmonic distortion
G
voltage gain
v
Z
differential input impedance
i(dif)
V
noise output voltage
n(o)
SVRR
supply voltage ripple rejection
V
output voltage
o(mute)
[1]
The noise output voltage is measured at the output in a frequency range from 20 Hz to 20 kHz (unweighted), with a source impedance
R
= 0
at the input.
S
[2]
Supply voltage ripple rejection is measured at the output, with a source impedance R
wave with a frequency f
ripple
[3]
Output voltage in mute mode is measured with an input voltage of 1 V (RMS) in a bandwidth of 20 kHz, so including noise.
10
handbook, full pagewidth
V o
(V)
1
1
10
2
10
3
10
4
10
5
10
0
Fig 5. Output voltage as function of mode voltage.
9397 750 06865
Product specification
= 8 ; f = 1 kHz; V
= 0 V; measured in test circuit
L
MODE
and an amplitude of 700 mV (RMS), which is applied to the positive supply rail.
4
8
Rev. 02 — 7 April 2000
6 W mono Bridge Tied Load (BTL) audio amplifier
Conditions
Min
THD = 10%
5
THD = 0.5%
3
P
= 1 W
-
o
31
70
[1]
-
[2]
f
= 1 kHz
50
ripple
[2]
f
= 100 Hz
-
ripple
to 20 kHz
[3]
mute mode
-
S
12
TDA8943SF
Figure
13; unless otherwise specified.
Typ
Max
6
-
4
-
0.03
0.1
32
33
90
110
90
120
65
-
60
-
-
50
= 0
at the input. The ripple voltage is a sine
16
V MODE (V)
© Philips Electronics N.V. 2000. All rights reserved.
Unit
W
W
%
dB
k
V
dB
dB
V
MGU043
20
8 of 20
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