TDA1020 Philips Semiconductors, TDA1020 Datasheet - Page 5

• Manufacturer Part Number: TDA1020
• Description: 12 W car radio power amplifier
• Manufacturer: Philips Semiconductors

Philips Semiconductors
HEATSINK DESIGN EXAMPLE
The derating of 8 K/W of the encapsulation requires the following external heatsink (for sine-wave drive):
10 W in 2
maximum sine-wave dissipation: 5,2 W
T
Since R
D.C. CHARACTERISTICS
Supply voltage range (pin 3)
Repetitive peak output current
Total quiescent current
A.C. CHARACTERISTICS
T
Output power at d
Output power at d
Output voltage (r.m.s. value)
Output power at d
Voltage gain
November 1982
R
amb
amb
th j-a
at V
at V
V
V
V
V
V
V
R
preamplifier (note 2)
power amplifier
total amplifier
12 W car radio power amplifier
P
P
P
P
P
P
L
= 25 C; V
= 1 k ; d
= 14,4 V; R
= 14,4 V; R
= 14,4 V; R
= 14,4 V; R
= 14,4 V; R
= 14,4 V; R
P
P
=
60 C maximum
th j-tab
= 14,4 V
= 18 V
R
th j-tab
at V
tot
R
P
P
+
L
L
L
L
L
L
= 0,5%
th tab-h
= 14,4 V; R
tot
tot
tot
R
= 2
= 4
= 8
= 2
= 4
= 8
14,4 V
th tab-h
= 10%; with bootstrap (note 1)
= 1%; with bootstrap (note 1)
= 10%; without bootstrap
8 K/W, R
+
R
L
th h-a
= 4 ; f = 1 kHz; unless otherwise specified; see also Fig.3
th h-a
=
150 60
--------------------- -
5 2
–
17,3
=
17,3 K/W
8
9 K/W.
5
V
I
I
I
P
P
P
P
P
P
V
P
G
G
G
ORM
tot
tot
P
o
o
o
o
o
o
o(rms)
o
v1
v2
v tot
<
typ.
typ.
>
typ.
>
typ.
typ.
typ.
typ.
typ.
typ.
>
typ.
typ.
typ.
Preliminary Specification
16,7 to 18,7 dB
28,5 to 30,5 dB
46,2 to 48,2 dB
Product specification
TDA1020
6 to 18 V
17,7 dB
29,5 dB
3,5 W
9,5 W
4,5 W
30 mA
40 mA
10 W
12 W
47 dB
4 A
6 W
7 W
6 W
3 W
5 V