TDA2004R
10 + 10 W stereo amplifier for car radio
Features
■
Low distortion
■
Low noise
■
Protection against:
– Output AC short circuit to ground
– Overrating chip temperature
– Load dump voltage surge
– Fortuitous open ground
– Very inductive loads
Multiwatt11
Power booster amplifiers can be easily designed
using this device that provides a high current
capability (up to 3.5 A) and can drive very low
impedance loads (down to 1.6 ).
Description
The TDA2004R is a class B dual audio power
amplifier in Multiwatt11 package specifically
designed for car radio applications.
Table 1.
The TDA2004R allows very compact applications
because few external components are required
and it doesn't need electrical insulation between
the package and the heatsink.
Device summary
Order code
Package
Packing
TDA2004R
Multiwatt11
Tube
September 2013
Doc ID 17614 Rev 2
1/17
www.st.com
1
Contents
TDA2004R
Contents
1
Pins description . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5
2
Electrical specifications . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 6
3
2.1
Absolute maximum ratings . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 6
2.2
Thermal data . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 6
2.3
Electrical characteristics . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 6
2.4
Test and application circuit . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 8
2.5
Electrical characteristics curves . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 9
Application suggestion . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 12
3.1
Built-in protection systems . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 12
3.1.1
Load dump voltage surge . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 12
3.1.2
Short circuit (AC condition) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 13
3.1.3
Polarity inversion . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 13
3.1.4
Open ground . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 13
3.1.5
Inductive load . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 13
3.1.6
DC voltage . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 13
3.1.7
Thermal shut-down . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 14
4
Package information . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 15
5
Revision history . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 16
2/17
Doc ID 17614 Rev 2
TDA2004R
List of tables
List of tables
Table 1.
Table 2.
Table 3.
Table 4.
Table 5.
Table 6.
Device summary . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1
Absolute maximum ratings . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 6
Thermal data. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 6
Electrical characteristics . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 6
Recommended values of the component of the application circuit. . . . . . . . . . . . . . . . . . . 12
Document revision history . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 16
Doc ID 17614 Rev 2
3/17
List of figures
TDA2004R
List of figures
Figure 1.
Figure 2.
Figure 3.
Figure 4.
Figure 5.
Figure 6.
Figure 7.
Figure 8.
Figure 9.
Figure 10.
Figure 11.
Figure 12.
Figure 13.
Figure 14.
Figure 15.
Figure 16.
Figure 17.
Figure 18.
Figure 19.
Figure 20.
Figure 21.
4/17
Pins connection diagram (top view) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5
Test and application circuit . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 8
Printed circuit board and components layout of the figure 2. . . . . . . . . . . . . . . . . . . . . . . . . 8
Quiescent output voltage vs. supply voltage . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 9
Quiescent drain current vs. supply voltage . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 9
Distortion vs. output power . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 9
Output power vs. supply voltage, RL = 2 and 4
Output power vs. supply voltage, RL = 1.6 and 3.2
Distortion vs. frequency, RL = 2 and 4
Distortion vs. frequency, RL = 1.6 and 3.2
Supply voltage rejection vs. C3 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 10
Supply voltage rejection vs. frequency . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 10
Supply voltage rejection vs. C2 and C3, GV = 390/1
Supply voltage rejection vs. C2 and C3, GV = 1000/10
Gain vs. input sensitivity . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 10
Total power dissipation and efficiency vs. output power (RL = 2 ) . . . . . . . . . . . . . . . . . . 11
Total power dissipation and efficiency vs. output power (RL = 3.2 ) . . . . . . . . . . . . . . . . 11
Maximum allowable power dissipation vs. ambient temperature . . . . . . . . . . . . . . . . . . . . 11
Suggested LC network circuit . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 13
Voltage gain bridge configuration . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 13
Multiwatt11 mechanical data and package dimensions . . . . . . . . . . . . . . . . . . . . . . . . . . . 15
Doc ID 17614 Rev 2
TDA2004R
1
Pins description
Pins description
Figure 1.
Pins connection diagram (top view)
11
BOOTSTRAP(1)
10
OUTPUT(1)
+VS
9
8
OUTPUT(2)
7
BOOTSTRAP(2)
6
GND
5
INPUT+(2)
4
INPUT-(2)
3
SVRR
2
INPUT-(1)
1
INPUT+(1)
TAB CONNECTED TO PIN 6
Doc ID 17614 Rev 2
D95AU318
5/17
Electrical specifications
TDA2004R
2
Electrical specifications
2.1
Absolute maximum ratings
Table 2.
Absolute maximum ratings
Symbol
Parameter
Value
Unit
Operating supply voltage
18
DC supply voltage
28
Peak supply voltage (50 ms)
40
Output peak current (non repetitive t = 0.1 ms)
4.5
Output peak current (repetitive f 10 Hz)
3.5
Ptot
Power dissipation at Tcase = 60 °C
30
W
Tstg, Tj
Storage and junction temperature
-40 to 150
C
VS
Io(1)
V
A
1. The max. output current is internally limited.
2.2
Thermal data
Table 3.
2.3
Thermal data
Symbol
Parameter
Rth-j-case
Thermal resistance junction-to-case
Value
Unit
3
C/W
max
Electrical characteristics
Refer to the stereo application circuit Tamb = 25 °C; Gv = 50 dB; Rth(heatsink) = 4 °C/W unless
otherwise specified
Table 4.
Symbol
Parameter
Test condition
Min.
Typ.
Max.
Unit
18
V
VS
Supply voltage
Vo
Quiescent offset voltage
VS = 14.4 V
VS = 13.2 V
6.6
6
7.2
6.6
7.8
7.2
V
V
Id
Total quiescent drain current
VS = 14.4 V
VS = 13.2 V
-
65
62
120
120
mA
mA
Output power (each channel)
f = 1 kHz; THD = 10 %
VS = 14.4 V; RL = 4
VS = 14.4 V; RL = 3.2
VS = 14.4 V; RL = 2
VS = 14.4 V; RL = 1.6
6
7
9
10
6.5
8
10
11
-
W
Po
6/17
Electrical characteristics
8
Doc ID 17614 Rev 2
TDA2004R
Table 4.
Electrical specifications
Electrical characteristics (continued)
Symbol
Po
THD
Parameter
Output power (each channel)
Total harmonic distortion
Test condition
Min.
Typ.
Max.
Unit
f = 1 kHz; THD = 10 %
VS = 13.2 V; RL =3.2
VS = 13.2 V; RL = 1.6
VS = 16 V; RL = 2
6
9
6.5
10(1)
12
-
W
f = 1 kHz; VS = 14.4 V;
RL = 4 ;Po = 50 mW to 4 W;
-
0.2
1
%
f = 1 kHz; VS = 14.4 V;
RL = 2 ;Po = 50 mW to 6 W;
-
0.3
1
%
f = 1 kHz; VS = 13.2 V;
RL = 3.2 ;Po = 50 mW to 3W;
-
0.2
1
%
f = 1KHz; VS = 13.2V;
RL = 1.6;Po = 40mW to 6W;
-
0.3
1
%
50
40
60
45
CT
Cross talk
VS = 14.4 V; Vo = 4 VRMS;
Rg = 5 k; RL = 4 ;
f = 1 kHz
f = 10 kHz
Vi
Input saturation voltage
-
300
Ri
Input resistance
f = 1 kHz
70
fL
Low frequency roll off (-3 dB)
RL = 4
RL = 2
RL = 3.2
RL = 1.6
fH
High frequency roll off (-3 dB)
RL = 1.6 to 4
Open loop voltage gain
Gv
Gv
mW
200
-
k
-
-
35
50
40
55
Hz
15
-
-
kHz
f = 1 kHz
-
90
-
Closed loop voltage gain
f = 1 kHz
48
50
51
Closed loop gain matching
-
-
0.5
-
dB
-
1.5
5
V
35
45
-
dB
f = 1 kHz; VS = 14.4 V;
RL = 4 ;Po = 6.5 W;
RL = 2;Po = 10 W;
-
70
60
-
%
f = 1 kHz; VS = 13.2 V;
RL = 3.2 ;Po = 6.5 W;
RL = 1.6 ;Po = 10 W;
-
70
60
-
%
-
-
145
-
°C
dB
k(2)
Total input noise voltage
Rg = 10
SVR
Supply voltage rejection
Vripple = 0.5 Vrms;
fripple =100 Hz; Rg = 10 k;
C3 = 10 F
TJ
mW
mW
-
eN
-
Efficiency
Thermal shutdown junction
temperature
1. 9.3 W without bootstrap.
2. Bandwidth filter: 22 Hz to 22 kHz.
Doc ID 17614 Rev 2
7/17
Electrical specifications
2.4
TDA2004R
Test and application circuit
Figure 2.
Test and application circuit
+Vs
0.1µF
120 kΩ
INPUT (L)
10 µF
C3
C12
9
3
2.2µF
7 C4
5
3V
+
1/2
TDA 2004R
C1
100 µF
2200 µF
10 V
8
10 V
C10
–
1.2 kΩ
220 µF
R2
C8
0.1 µF
RL
4
R6
C5
33 Ω
INPUT (R)
2.2µF
1
3V
C2
11 C6
+
1/2
TDA 2004R
R3
100 µF
2200 µF
10 V
10
1Ω
10 V
C11
–
1.2 kΩ
220 µF
R4
C9
0.1 µF
RL
2
R7
C7
6
Figure 3.
8/17
33 Ω
1Ω
R5
Printed circuit board and components layout of the figure 2
Doc ID 17614 Rev 2
TDA2004R
Electrical specifications
2.5
Electrical characteristics curves
Figure 4.
Quiescent output voltage vs. supply voltage
Figure 5.
Quiescent drain current vs. supply
voltage
Id
(mA)
VO
(V)
100
8
80
7
60
6
40
5
20
4
0
Figure 6.
8
10
12
14
16
Vs (V)
0
Distortion vs. output power
Figure 7.
d
(%)
8
10
12
14
16
Vs (V)
Output power vs. supply voltage,
RL = 2 and 4
Po
(W)
f = 1 kHz
Gv = 50 dB
8
f = 1 kHz
Gv = 50 dB
d = 10 %
15
Vs = 13.2 V RL = 3.2 Ω
Vs = 14.4 V RL = 4 Ω
RL = 2 Ω
12
6
Vs = 13.2 V RL = 1.6 Ω
9
Vs = 14.4 V RL = 2 Ω
RL = 4 Ω
4
6
2
3
0
0
0.01
Figure 8.
0.1
1
8
Po (W)
Output power vs. supply voltage,
RL = 1.6 and 3.2
10
12
14
16
Vs (V)
Distortion vs. frequency, RL = 2 and
4
Figure 9.
d
(%)
Po
(W)
f = 1 kHz
Gv = 50 dB
d = 10 %
15
Vs = 14.4 V
Gv = 50 dB
RL = 1.6 Ω
12
1.2
9
Po = 2.5 W
RL = 2 Ω
RL = 3.2 Ω
0.8
6
Po = 2.5 W
RL = 4 Ω
0.4
3
0
8
10
12
14
16
Vs (V)
Doc ID 17614 Rev 2
10
102
103
104
f (Hz)
9/17
Electrical specifications
TDA2004R
Figure 10. Distortion vs. frequency, RL = 1.6
and 3.2
d
(%)
Figure 11. Supply voltage rejection vs. C3
SVR
(dB)
Vs = 13.2 V
Gv = 50 dB
Vs = 14.4 V
fripple = 100 kHz
Vripple = 0.5 V
Gv = 50 dB
Rg = 10 kΩ
10
20
1.2
30
Po = 2.5 W
RL = 1.6 Ω
40
0.8
50
Po = 2.5 W
RL = 3.2 Ω
60
0.4
102
10
103
104
1
f (Hz)
Figure 12. Supply voltage rejection vs.
frequency
10
C3 (µF)
12
Figure 13. Supply voltage rejection vs. C2 and
C3, GV = 390/1
SVR
(dB)
SVR
(dB)
3
Vs = 14.4 V
RL = 4 Ω
Rg = 10 kΩ
Gv = 390/1 Ω
fripple = 100 Hz
Vs = 14.4 V
Gv = 50 dB
C3 = 10 µF
C2 = 220 µF
50
60
Rg = 0
C2 = 22 µF
50
40
40
C2 = 5 µF
Rg = 10 kΩ
30
30
20
20
102
10
Figure 14.
SVR
(dB)
103
f (Hz)
Supply voltage rejection vs. C2 and
C3, GV = 1000/10
Vs = 14.4 V
RL = 4 Ω
Rg = 10 kΩ
Gv = 1000/10 Ω
fripple = 100 Hz
1
2
5
10
Figure 15. Gain vs. input sensitivity
Gv
Gv
(dB)
C2 = 220 µF
VS = 14.4 V
f = 1 kHz
RL = 4 Ω
54
50
C3 (µF)
20
500
50
C2 = 22 µF
200
46
C2 = 5 µF
40
Po = 6 W
42
100
38
34
30
50
Po = 0.5 W
30
20
26
20
22
1
10/17
2
5
10
20
C3 (µF)
2
10
Doc ID 17614 Rev 2
4
30
6
8
2
100
4
300
6
8
Vi (mV)
TDA2004R
Figure 16.
Electrical specifications
Total power dissipation and
Figure 17.
efficiency vs. output power (RL = 2 )
Ptot
(W)
η
(%)
Ptot
(W)
12
60
6
Total power dissipation and efficiency
vs. output power (RL = 3.2 )
η
(%)
60
Ptot
Ptot
10
η
8
Vs = 14.4 V
RL = 4 Ω
f = 1 kHz
Gv = 50 dB
6
4
40
4
20
2
η
40
Vs = 13.2 V
RL = 3.2 Ω
f = 1 kHz
Gv = 50 dB
20
2
4
8
12
16
20
Po (W)
24
2
4
6
8
10
12
Po (W)
Figure 18. Maximum allowable power dissipation vs. ambient temperature
Ptot
(W)
32
28
IN
th
20
=
2˚
C
=4
˚C
=8
IN
h
/W
S
AT
Rt
16
/W
HE
th
ITE
R
FIN
R
24
K
˚C/
W
12
8
4
0
-50
0
50
100
Tamb (˚C)
Doc ID 17614 Rev 2
11/17
Application suggestion
3
TDA2004R
Application suggestion
The recommended values of the components are those shown on application circuit of
Figure 2. Different values can be used; the following table can help the designer.
Table 5.
Recommended values of the component of the application circuit
Component
Recommended
value
R1
120 k
Optimization of the
output signal symmetry
Smaller Pomax
Smaller Pomax
R2, R4
1 k
Closed loop gain setting
Increase of gain
Decrease of gain
R3, R5
3.3
(1)
Decrease of gain
Increase of gain
R6, R7
1
C1, C2
Purpose
Larger than
Smaller than r
Frequency stability
Danger of oscillation
at high frequency with
inductive load
2.2 F
Input DC decoupling
High turn-on delay
C3
10 F
Ripple rejection
Increase of SVR,
Increase of the switch-on Degradation of SVR
time
C4, C6
100 F
Bootstrapping
-
Increase of distortion at
low frequency
C5, C7
100 F
Feedback input DC
decoupling
-
-
C8, C9
0.1 F
Frequency stability
-
Danger of oscillation
C10, C11
1000 to 2200 F
Output DC decoupling
-
Higher low-frequency
cut-off
High turn-on pop, higher
low frequency cutoff.
Increase of noise
1. The closed loop gain must be higher than 26 dB.
3.1
Built-in protection systems
3.1.1
Load dump voltage surge
The TDA2004R has a circuit which enables it to withstand voltage pulse train, on Pin 9, of
the type shown in Figure 20. If the supply voltage peaks to more than 40 V, then an LC filter
must be inserted between the supply and pin 9, in order to assure that the pulses at pin 9
will be held within the limits shown.
A suggested LC network is shown in Figure 19. With this network, a train of pulses with
amplitude up to 120 V and width of 2 ms can be applied at point A. This type of protection is
ON when the supply voltage (pulse or DC) exceeds 18 V. For this reason the maximum
operating supply voltage is 18 V.
12/17
Doc ID 17614 Rev 2
TDA2004R
Application suggestion
Figure 19. Suggested LC network circuit
L = 2mH
A
FROM
SUPPLY
LINE
TO PIN
C
3000 µF
16V
Figure 20. Voltage gain bridge configuration
Vs (V)
40
t1 = 50ms
t2 = 1000ms
14.4
t
t1
t2
3.1.2
Short circuit (AC condition)
The TDA2004R can withstand a permanent short-circuit from the output to ground caused
by a wrong connection during normal working.
3.1.3
Polarity inversion
High current (up to 10 A) can be handled by the device with no damage for a longer period
than the blow-out time of a quick 2 A fuse (normally connected in series with the supply).
This feature is added to avoid destruction, if during fitting to the car, a mistake on the
connection of the supply is made.
3.1.4
Open ground
When the ratio is in the ON condition and the ground is accidentally opened, a standard
audio amplifier will be damaged. On the TDA2004R protection diodes are included to avoid
any damage.
3.1.5
Inductive load
A protection diode is provided to allow use of the TDA2004R with inductive loads.
3.1.6
DC voltage
The maximum operating DC voltage for the TDA2004R is 18 V. However the device can
withstand a DC voltage up to 28 V with no damage. This could occur during winter if two
batteries are series connected to crank the engine.
Doc ID 17614 Rev 2
13/17
Application suggestion
3.1.7
TDA2004R
Thermal shut-down
The presence of a thermal limiting circuit offers the following advantages:
1.
an overload on the output (even if it is permanent), or an excessive ambient
temperature can be easily withstood.
2.
the heatsink can have a smaller factor of safety compared with that of a conventional
circuit. There is no device damage in the case of excessive junction temperature: all
that happens is that Po (and therefore Ptot) and Id are reduced.
The maximum allowable power dissipation depends upon the size of the external heatsink
(i.e. its thermal resistance); Figure 18 shows the power dissipation as a function of ambient
temperature for different thermal resistance.
14/17
Doc ID 17614 Rev 2
TDA2004R
4
Package information
Package information
In order to meet environmental requirements, ST offers these devices in different grades of
ECOPACK® packages, depending on their level of environmental compliance. ECOPACK®
specifications, grade definitions and product status are available at: www.st.com.
ECOPACK® is an ST trademark.
Figure 21. Multiwatt11 mechanical data and package dimensions
DIM.
mm
MIN.
TYP.
inch
MAX.
MIN.
TYP.
MAX.
A
5
0.197
B
2.65
0.104
C
1.6
D
OUTLINE AND
MECHANICAL DATA
0.063
1
0.039
E
0.49
0.55
0.019
F
0.88
0.95
0.035
0.022
G
1.45
1.7
1.95
0.057
0.067
0.077
G1
16.75
17
17.25
0.659
0.669
0.679
H1
19.6
0.037
0.772
H2
20.2
0.795
L
21.9
22.2
22.5
0.862
0.874
0.886
L1
21.7
22.1
22.5
0.854
0.87
0.886
L2
17.4
18.1
0.685
L3
17.25
17.5
17.75
0.679
0.689
0.713
0.699
L4
10.3
10.7
10.9
0.406
0.421
0.429
0.191
L7
2.65
2.9
0.104
M
4.25
4.55
4.85
0.167
0.179
0.114
M1
4.73
5.08
5.43
0.186
0.200
S
1.9
2.6
0.075
0.102
S1
1.9
2.6
0.075
0.102
Dia1
3.65
3.85
0.144
0.152
0.214
Multiwatt11 (Vertical)
0016035 H
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Revision history
5
TDA2004R
Revision history
Table 6.
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Document revision history
Date
Revision
Changes
18-Jun-2010
1
Initial release.
18-Sep-2013
2
Updated Disclaimer.
Doc ID 17614 Rev 2
TDA2004R
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