TDA2611A.PDF

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INTEGRATED CIRCUITS
DATA SHEET
TDA2611A
5 W audio power amplifier
Product specification
File under Integrated Circuits, IC01
November 1982
11044834.004.png
Philips Semiconductors
Product specification
5 W audio power amplifier
TDA2611A
The TDA2611A is a monolithic integrated circuit in a 9-lead single in-line (SIL) plastic package with a high supply voltage
audio amplifier. Special features are:
·
possibility for increasing the input impedance
·
single in-line (SIL) construction for easy mounting
·
very suitable for application in mains-fed apparatus
·
extremely low number of external components
·
thermal protection
·
well defined open loop gain circuitry with simple quiescent current setting and fixed integrated closed loop gain.
QUICK REFERENCE DATA
Supply voltage range
V P
6 to 35 V
Repetitive peak output current
I ORM
<
1,5 A
Output power at d tot =
10%
V P =
18 V; R L =
8
W
P o
typ.
4,5 W
V P =
25 V; R L =
15
W
P o
typ.
5 W
Total harmonic distortion at P o < 2 W; R L = 8 W
d tot
typ.
0,3 %
Input impedance
Z i |
typ.
45 k
W
Total quiescent current at V P =
18 V
I tot
typ.
25 mA
Sensitivity for P o =
2,5 W; R L =
8
W
V i
typ.
55 mV
Operating ambient temperature
T amb
- 25 to + 150
° C
Storage temperature
T stg
-
55 to
+
150
°
C
PACKAGE OUTLINE
9-lead SIL; plastic (SOT110B); SOT110-1; 1996 July 23.
November 1982
2
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11044834.005.png 11044834.006.png 11044834.007.png
Philips Semiconductors
Product specification
5 W audio power amplifier
TDA2611A
Fig.1 Circuit diagram; pin 3 not connected.
RATINGS
Limiting values in accordance with the Absolute Maximum System (IEC 134)
Supply voltage
V P
max.
35 V
Non-repetitive peak output current
I OSM
max.
3 A
Repetitive peak output current
I ORM
max.
1,5 A
Total power dissipation
see derating curves Fig. 2
Storage temperature
T stg
- 55 to + 150
° C
Operating ambient temperature
T amb
-
25 to
+
150
°
C
November 1982
3
11044834.001.png
Philips Semiconductors
Product specification
5 W audio power amplifier
TDA2611A
Fig.2 Power derating curves.
HEATSINK EXAMPLE
Assume V P =
18 V; R L =
8
W
; T amb =
60
°
C maximum; T j =
150
°
C (max. for a 4 W application into an 8
W
load, the
maximum dissipation is about 2,2 W).
The thermal resistance from junction to ambient can be expressed as:
R th j-a
=
R th j-tab
+
R th tab-h
+
R th h-a
=
---------------------- 41 K/W.
–
2 ,
=
Since R th j-tab =
11 K/W and R th tab-h =
1 K/W, R th h-a =
41
-
(11
+
1)
=
29 K/W.
November 1982
4
150 60
11044834.002.png
Philips Semiconductors
Product specification
5 W audio power amplifier
TDA2611A
D.C. CHARACTERISTICS
Supply voltage range
V P
6 to 35 V
Repetitive peak output current
I ORM
<
1,5 A
Total quiescent current at V P =
18 V
I tot
typ.
25 mA
A.C. CHARACTERISTICS
T amb =
°
C; V P =
18 V; R L =
8
W
; f
=
1 kHz unless otherwise specified; see also Fig. 3
A.F. output power at d tot = 10%
V P =
18 V; R L =
8
W
P o
>
4W
typ.
4,5 W
V P =
12 V; R L =
8
W
P o
typ.
1,7 W
V P = 8,3 V; R L = 8 W
P o
typ.
0,65 W
V P =
20 V; R L =
8
W
P o
typ.
6 W
V P =
25 V; R L =
15
W
P o
typ.
5 W
Total harmonic distortion at P o =
2 W
d tot
typ.
0,3 %
<
1%
Frequency response
>
15 kHz
Input impedance
Z i |
typ.
45 k
W (1)
Noise output voltage at R S =
5 k
W
; B
=
60 Hz to 15 kHz
V n
typ.
0,2 mV
<
0,5 mV
Sensitivity for P o =
2,5 W
V i
typ.
55 mV
44 to 66 mV
Note
1. Input impedance can be increased by applying C and R between pins 5 and 9 (see also Figures 6 and 7).
November 1982
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25
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