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ST Microelectronics
ST Microelectronics

TDA2005 Datasheet

20W BRIDGE AMPLIFIER FOR CAR RADIO


TDA2005 Datasheet Preview


® TDA2005
20W BRIDGE AMPLIFIER FOR CAR RADIO
High output power : PO = 10 + 10 W@RL = 2,
d = 10% ; PO = 20W@RL = 4, d = 1 %.
High reliability of the chip and package with addi-
tional complete safety during operation thanks to
protection against :
. OUTPUT DC AND AC SHORT CIRCUIT TO
GROUND
. OVERRATING CHIP TEMPERATURE
. LOAD DUMP VOLTAGE SURGE
. FORTUITOUS OPEN GROUND
. VERY INDUCTIVE LOADS
Flexibility in use : bridge or stereo booster ampli-
fiers with or without boostrap and with programma-
ble gain and bandwidth.
Space and cost saving : very low number of
external components, very simple mounting sys-
tem with no electrical isolation between the pack-
age and the heatsink (one screw only).
In addition, the circuit offers loudspeaker protec-
tion during short circuit for one wire to ground.
MULTIWATT11
ORDERING NUMBERS : TDA2005M (Bridge Appl.)
TDA2005S (Stereo Appl.)
DESCRIPTION
The TDA2005 is class B dual audio power amplifier
in MULTIWATT® package specifically designed for
car radio application : power booster amplifiers
are easily designed using this device that provides
a high current capability (up to 3.5 A) and that can
drive very low impedance loads (down to 1.6in
ABSOLUTE MAXIMUM RATINGS
Symbol
Parameter
Vs
Vs
Vs
Io (*)
Io (*)
Operating Supply Voltage
DC Supply Voltage
Peak Supply Voltage (for 50 ms)
Output Peak Current (non repetitive t = 0.1 ms)
Output Peak Current (repetitive f 10 Hz)
Ptot Power Dissipation at Tcase = 60 °C
Tstg, Tj Storage and Junction Temperature
(*) The max. output current is internally limited.
Value
18
28
40
4.5
3.5
30
– 40 to 150
Unit
V
V
V
A
A
W
°C
PIN CONNECTION
October 1998
TAB CONNECTED TO PIN 6
11
10
9
8
7
6
5
4
3
2
1
BOOTSTRAP(1)
OUTPUT(1)
+VS
OUTPUT(2)
BOOTSTRAP(2)
GND
INPUT+(2)
INPUT-(2)
SVRR
INPUT-(1)
INPUT+(1)
D95AU318
1/20
Page 1

TDA2005
SCHEMATIC DIAGRAM
THERMAL DATA
Symbol
Rth j-case
Parameter
Thermal Resistance Junction-case
2/20
Max.
Value
3
Unit
°C/W
Page 2

BRIDGE AMPLIFIER APPLICATION (TDA2005M)
Figure 1 : Test and Application Circuit (Bridge amplifier)
TDA2005
Figure 2 : P.C. Board and Components Layout of Figure 1 (1:1 scale)
3/20
Page 3
Part Number TDA2005
Manufactur ST Microelectronics
Description 20W BRIDGE AMPLIFIER FOR CAR RADIO
Total Page 20 Pages
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