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Philips Semiconductors
10. Thermal characteristics
Table 6:
Thermal characteristics
Symbol
Parameter
R
thermal resistance from junction to ambient
th(j-a)
R
thermal resistance from junction to mounting base
th(j-mb)
11. Static characteristics
Table 7:
Static characteristics
V
= 12 V; T
= 25 C; R
CC
amb
Symbol
Parameter
V
supply voltage
CC
I
quiescent supply current
q
I
standby supply current
stb
V
DC output voltage
O
[3]
V
differential output voltage offset
OUT
V
mode selection input voltage
MODE
I
mode selection input current
MODE
[1]
With a load connected at the outputs the quiescent current will increase, the maximum of this increase being equal to the differential
output voltage offset
V
[2]
The DC output voltage with respect to ground is approximately 0.5V
[3]
V
= V
V
OUT
OUT+
OUT
30
handbook, halfpage
I q
(mA)
25
20
15
10
5
0
0
4
Fig 3. Quiescent supply current as function of supply
voltage.
9397 750 06865
Product specification
= 8 ; V
= 0 V; V
L
MODE
i
) divided by the load resistance (R
OUT
.
MGU040
8
12
16
20
V CC (V)
Rev. 02 — 7 April 2000
6 W mono Bridge Tied Load (BTL) audio amplifier
= 0 V; measured in test circuit
Conditions
operating
[1]
R
=
L
V
= V
MODE
CC
[2]
operating mode
mute mode
standby mode
0 < V
< V
MODE
CC
).
L
.
CC
28
I q
handbook, halfpage
(mA)
24
20
16
12
8
4
0
0
Fig 4. Quiescent supply current as function of mode
voltage.
TDA8943SF
Conditions
Value
in free air
68
in free air
18
Figure
13; unless otherwise specified.
Min
Typ
Max
6
12
18
-
15
22
-
-
10
-
6
-
-
-
200
0
-
0.5
3
-
V
V
0.5
-
V
CC
-
-
20
2
4
6
8
10
V MODE (V)
© Philips Electronics N.V. 2000. All rights reserved.
Unit
K/W
K/W
Unit
V
mA
A
V
mV
V
1.5
V
CC
V
CC
A
MGU041
12
14
7 of 20
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