TDA2009A
10 +10W STEREO AMPLIFIER
May 1995
PIN CONNECTION
MULTIW ATT11
ORDERING NUMBER : TDA2009A
.
HIGH OUTPUT POWER
(10 + 10W Min. @ D = 1%)
.
HIGH CURRENT CAPABILITY (UP TO 3.5A)
.
AC SHORT CIRCUIT PROTECTION
.
THERMAL OVERLOAD PROTECTION
.
SPACE AND COST SAVING : VERY LOW
NUMBER OF EXTERNAL COMPONENTS
AND SIMPLE MOUNTING THANKS TO THE
MULTIWATT
PACKAGE.
DESCRIPTION
The TDA2009A is class AB dual Hi-Fi Audio power
amplifier assembled in Multiwatt
package, spe-
cially designed for high quality stereo application
as Hi-Fi and music centers.
1/12
ABSOLUTE MAXIMUM RATINGS
Symbol
Parameter
Value
Unit
V
s
Supply Voltage
28
V
I
o
Output Peak Current (repetitive f
20 Hz)
3.5
A
I
o
Output Peak Current (non repetitive, t = 100
s)
4.5
A
P
tot
Power Dissipation at T
case
= 90
C
20
W
T
stg,
T
j
Storage and Junction Temperature
40, + 150
C
THERMAL DATA
Symbol
Parameter
Value
Unit
R
th j-case
Thermal Resistance Junction-case
Max.
3
C/W
ELECTRICAL CHARACTERISTICS
(refer to the stereo application circuit, T
amb
= 25
o
C, V
S
= 24V, G
V
= 36dB, unless otherwise specified)
Symbol
Parameter
Test Conditions
Min.
Typ.
Max.
Unit
V
s
Supply Voltage
8
28
V
V
o
Quiescent Output Voltage
V
s
= 24V
11.5
V
I
d
Total Quiescent Drain Current
V
s
= 24V
60
120
mA
P
o
Output Power (each channel)
d = 1%, V
s
= 24V, f = 1kHz
R
L
= 4
R
L
= 8
f = 40Hz to 12.5kHz
R
L
= 4
R
L
= 8
V
s
= 18V, f = 1kHz
R
L
= 4
R
L
= 8
10
5
12.5
7
7
4
W
W
W
W
W
W
d
Distortion (each channel)
f = 1kHz, V
s
= 24V
P
o
= 0.1 to 7W
R
L
= 4
P
o
= 0.1 to 3.5W
R
L
= 8
V
s
= 18V
P
o
= 0.1 to 5W
R
L
= 4
P
o
= 0.1 to 2.5W
R
L
= 8
0.2
0.1
0.2
0.1
%
%
%
%
CT
Cross Talk (3)
R
L
=
, R
g
= 10k
f = 1kHz
f = 10kHz
60
50
dB
V
i
Input Saturation Voltage (rms)
300
mV
R
i
Input Resistance
f = 1kHz, Non Inverting Input
70
200
k
f
L
Low Frequency Roll off ( 3dB)
R
L
= 4
20
Hz
f
H
High Frequency Roll off ( 3dB)
R
L
= 4
80
kHz
G
v
Voltage Gain (closed loop)
f = 1kHz
35.5
36
36.5
dB
G
v
Closed Loop Gain Matching
0.5
dB
e
N
Total Input Noise Voltage
R
g
= 10k
(1)
R
g
= 10k
(2)
1.5
2.5
8
V
V
SVR
Supply Voltage Rejection (each channel)
R
g
= 10k
f
ripple
= 100Hz, V
ripple
= 0.5V
55
dB
T
J
Thermal Shut-down Junction Temperature
145
C
Notes :
1.
Curve A
2.
22Hz to 22kHz
TDA2009A
3/12
Figure 3 :
Output Power versus Supply Voltage
Figure 4 :
Output Power versus Supply Voltage
Figure 5 :
Distortion versus Output Power
Figure 6 :
Distortion versus Frequency
Figure 7 :
Distortion versus Frequency
Figure 8 :
Quiescent Current versus
Supply Voltage
TDA2009A
5/12
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