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TDA2611A Datasheet

5 W audio power amplifier


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INTEGRATED CIRCUITS
DATA SHEET
TDA2611A
5 W audio power amplifier
Product specification
File under Integrated Circuits, IC01
November 1982
Page 1

Philips Semiconductors
5 W audio power amplifier
Product specification
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
Repetitive peak output current
Output power at dtot = 10%
VP = 18 V; RL = 8
VP = 25 V; RL = 15
Total harmonic distortion at Po < 2 W; RL = 8
Input impedance
Total quiescent current at VP = 18 V
Sensitivity for Po = 2,5 W; RL = 8
Operating ambient temperature
Storage temperature
VP
IORM
Po
Po
dtot
|Zi|
Itot
Vi
Tamb
Tstg
6 to 35 V
< 1,5 A
typ. 4,5 W
typ. 5 W
typ. 0,3 %
typ. 45 k
typ. 25 mA
typ. 55 mV
25 to + 150 °C
55 to + 150 °C
PACKAGE OUTLINE
9-lead SIL; plastic (SOT110B); SOT110-1; 1996 July 23.
November 1982
2
Page 2

Philips Semiconductors
5 W audio power amplifier
Product specification
TDA2611A
Fig.1 Circuit diagram; pin 3 not connected.
RATINGS
Limiting values in accordance with the Absolute Maximum System (IEC 134)
Supply voltage
Non-repetitive peak output current
Repetitive peak output current
Total power dissipation
Storage temperature
Operating ambient temperature
VP max. 35 V
IOSM
max.
3A
IORM max.
1,5 A
see derating curves Fig. 2
Tstg
Tamb
55 to + 150 °C
25 to + 150 °C
November 1982
3
Page 3

Philips Semiconductors
5 W audio power amplifier
Product specification
TDA2611A
Fig.2 Power derating curves.
HEATSINK EXAMPLE
Assume VP = 18 V; RL = 8 ; Tamb = 60 °C maximum; Tj = 150 °C (max. for a 4 W application into an 8 load, the
maximum dissipation is about 2,2 W).
The thermal resistance from junction to ambient can be expressed as:
Rth j-a = Rth j-tab + Rth tab-h + Rth h-a = -1---5---20---,---2----6---0-- = 41 K/W.
Since Rth j-tab = 11 K/W and Rth tab-h = 1 K/W, Rth h-a = 41 (11 + 1) = 29 K/W.
November 1982
4
Page 4
Part Number TDA2611A
Manufactur NXP
Description 5 W audio power amplifier
Total Page 13 Pages
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