STMICROELECTRONICS TDA7292

TDA7292
40 W + 40 W stereo amplifier with mute and standby
Datasheet − production data
Features
■
Wide supply voltage range (up to ± 33 V)
■
Split supply
■
High output power
■
40 W + 40 W into 8 Ω
with VS = ±26 V and THD = 10%
■
No “pop” at turn on/off
■
Mute (“pop”-free)
■
Standby feature (low Iq)
Description
■
Short-circuit protection
■
Thermal overload protection
The TDA7292 is a class-AB dual audio power
amplifier assembled in a Multiwatt package.
Multiwatt11
It has been specifically designed for high-quality
sound applications such as hi-fi music centers
and stereo TV sets.
Table 1.
Device summary
Order code
Operating temp. range
TDA7292
Package
0° to 70° C
Figure 1.
Packaging
Multiwatt11
Tube
Applications circuit
+VS
15K
1000μF
1μF
MUTE/
ST-BY
IN (L)
7
1μF
15K
+5V
3
5
+
4
OUT (L)
8
IN- (L)
-
47K
18K
GND
18K
4.7Ω
RL (L)
100nF
560Ω
9
μP
10
IN- (R)
560Ω
18K
1μF
IN (R)
11
-
2
+
1
6
-VS
OUT (R)
4.7Ω
RL (R)
100nF
1000μF
D94AU085
February 2012
This is information on a product in full production.
Doc ID 15775 Rev 5
1/22
www.st.com
1
Contents
TDA7292
Contents
1
Pin description . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5
2
Electrical specifications . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 6
2.1
Absolute maximum ratings . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 6
2.2
Thermal data . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 6
2.3
Electrical specifications . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 6
3
Characterization curves . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 8
4
Mute and standby modes . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 13
5
Applications information . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 14
5.1
Applications with dual supply . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 14
5.2
Applications with single supply . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 17
6
Package mechanical data . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 20
7
Revision history . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 21
2/22
Doc ID 15775 Rev 5
TDA7292
List of tables
List of tables
Table 1.
Table 2.
Table 3.
Table 4.
Table 5.
Table 6.
Table 7.
Device summary . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1
Absolute maximum ratings . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 6
Thermal data. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 6
Electrical specifications. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 6
Mute and standby thresholds on pin 5 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 13
Recommended values . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 15
Document revision history . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 21
Doc ID 15775 Rev 5
3/22
List of figures
TDA7292
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.
Figure 22.
Figure 23.
Figure 24.
Figure 25.
Figure 26.
4/22
Applications circuit . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1
Pin connections (top view) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5
Quiescent current vs. supply voltage . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 8
Frequency response . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 8
Output power vs. supply voltage . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 9
Output power vs. supply voltage . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 9
Output power vs. supply voltage . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 9
THD vs. output power . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 10
THD vs. output power . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 10
THD vs. output power . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 10
Quiescent current vs. voltage on pin 5 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 11
Attenuation vs. voltage on pin 5 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 11
Crosstalk vs. frequency . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 11
Power dissipation vs. output power . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 12
Power dissipation vs. output power . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 12
Power dissipation vs. output power . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 12
Mute and standby thresholds on pin 5 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 13
Test and applications circuit (dual supply) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 14
PCB layout, solder side . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 16
PCB layout, component side . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 16
PCB component placement . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 17
Typical applications circuit (single supply) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 17
PCB layout, solder side . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 18
PCB layout, component side . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 18
PCB component placement . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 19
Multiwatt11 outline drawing and dimensions . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 20
Doc ID 15775 Rev 5
TDA7292
1
Pin description
Pin description
Figure 2.
Pin connections (top view)
TAB CONNECTED TO PIN 6
Doc ID 15775 Rev 5
11
IN+(1)
10
IN-(1)
9
GND
8
IN-(2)
7
IN+(2)
6
-VS
5
MUTE/St-By
4
OUTPUT(2)
3
+VS
2
OUTPUT(1)
1
-VS
D95AU316
5/22
Electrical specifications
TDA7292
2
Electrical specifications
2.1
Absolute maximum ratings
Table 2.
Absolute maximum ratings
Symbol
2.2
Value
Unit
VS
DC supply voltage
±35
V
IO
Output peak current (internally limited)
5
A
Ptot
Power dissipation Tcase = 70°C
40
W
Top
Operating temperature
-20 to 85
°C
Tj
Junction temperature
-40 to 150
°C
Tstg
Storage temperature
-40 to 150
°C
Thermal data
Table 3.
2.3
Parameter
Thermal data
Symbol
Parameter
Rth j-case
Thermal resistance, junction to case
Min
-
Typ
1.5
Max
-
Unit
°C/W
Electrical specifications
Unless otherwise stated, the results in Table 4 below are given for the conditions:
VS = ±26 V, RL (load) = 8 Ω, RS (source) = 50 Ω, f = 1 kHz, GV = 30 dB, and Tamb = 25° C.
See also the test circuit in Figure 18 on page 14.
Table 4.
Symbol
Parameter
Condition
Min
Typ
Max
Unit
VS
Supply voltage range
-
±8
-
±33
V
Iq
Total quiescent current
-
-
50
130
mA
VOS
Output offset voltage
-
-20
-
20
mV
Ib
Non-inverting input bias current
-
-
500
-
nA
THD = 10%:
RL = 8 Ω, VS = ±26 V
RL = 4 Ω, VS = ±18 V
-
40
31
-
THD = 1%:
RL = 8 Ω, VS = ±26 V
RL = 4 Ω, VS = ±18 V
-
30
24
-
Po
6/22
Electrical specifications
Output power
W
IPeak
Peak output current
Internally limited
-
5
-
A
THD
Total harmonic distortion
Po = 1 W
-
0.02
-
%
Doc ID 15775 Rev 5
TDA7292
Electrical specifications
Table 4.
Electrical specifications (continued)
Symbol
Parameter
Condition
Min
Typ
Max
Unit
CT
Crosstalk
f = 1 kHz
-
70
-
dB
SR
Slew rate
-
-
11
-
V/ms
GOL
Open-loop gain
-
-
80
-
dB
eN
Total input noise
f = 20 Hz to 22 kHz
-
4
-
µV
Ri
Input resistance
-
-
20
-
kΩ
SVRR
Supply voltage rejection ratio
-
-
75
-
dB
Tj
Junction temperature at thermal
shut-down
-
-
145
-
°C
Mute mode (see also Table 5 on page 13)
VTMUTE
Mute/play threshold
-
-7
-6
-5
V
AMUTE
Mute attenuation
-
-
75
-
dB
Standby mode (see also Table 5 on page 13)
VTSTBY
Standby/mute threshold
-
-3.5
-2.5
-1.5
V
ASTBY
Standby attenuation
-
-
110
-
dB
Iq_STBY
Quiescent current in standby
-
-
8
-
mA
Doc ID 15775 Rev 5
7/22
Characterization curves
3
TDA7292
Characterization curves
Figure 3.
Quiescent current vs. supply voltage
Iq (mA)
55
50
Iq+
45
40
Iq-
35
30
8
10
12
14
16
18
20
22
24
26
28
30
32
34
Vs (+/-V)
Figure 4.
Frequency response
Ampl (dB)
+5
+4
Vs=+/-20V
+3
Rl = 8 Ohm
+2
0dB = 1W
+1
+0
-1
-2
-3
-4
-5
10
20
50
100 200
500
1k
2k
Freq(Hz)
8/22
Doc ID 15775 Rev 5
5k
10k 20k
50k
200k
TDA7292
Characterization curves
Figure 5.
Output power vs. supply voltage
Pout (W)
32
28
Rl = 4 ohm
f = 1Kz
24
THD=10%
20
16
12
THD=1%
8
4
0
8
10
12
14
16
18
20
Vs (+/-V)
Figure 6.
Output power vs. supply voltage
Pout (W)
44
40
36
Rl = 6 Ohm
32
f = 1Kz
28
24
THD=10%
20
16
12
THD=1%
8
4
0
10
12
14
16
18
20
22
24
Vs (+/-V)
Figure 7.
Output power vs. supply voltage
Pout (W)
50
45
Rl = 8 Ohm
40
f = 1Kz
35
30
THD=10%
25
20
15
THD=1%
10
5
0
10
12
14
26
28
20
22
24
26
28
30
Vs (+/-V)
Doc ID 15775 Rev 5
9/22
Characterization curves
Figure 8.
TDA7292
THD vs. output power
THD(%)
10
5
Vs=+/18V
Rl = 4 Ohm
2
1
0.5
f = 15KHz
0.2
0.1
0.05
f = 1KHz
0.02
0.01
0.005
0.002
200m
500m
1
2
5
10
20
50
Pout (W)
Figure 9.
THD vs. output power
THD(%)
10
5
Vs= +/-22V
2
Rl = 6 Ohm
1
0.5
f = 15KHz
0.2
0.1
0.05
0.02
f = 1KHz
0.01
0.005
0.002
200m
500m
1
2
5
10
20
50
Pout (W)
Figure 10. THD vs. output power
THD(%)
10
5
Vs = +/-26V
2
Rl = 8 Ohm
1
0.5
f = 15KHz
0.2
0.1
0.05
0.02
f = 1KHz
0.01
0.005
0.002
200m
500m
1
2
Pout (W)
10/22
Doc ID 15775 Rev 5
5
10
20
50
TDA7292
Characterization curves
Figure 11. Quiescent current vs. voltage on pin 5
Iq (mA)
100
90
80
70
Vs=+/-20V
60
Rl=8Ohm
50
0V = +Vs
40
Vi = 0
30
20
10
0
-10
-9
-8
-7
-6
-5
-4
-3
-4
-3
-2
-1
0
Vpin # 5 (V)
Figure 12. Attenuation vs. voltage on pin 5
Attenuation (dB)
+10
+0
-10
-20
Vs= +/-20V
-30
Rl= 8 Ohm
-40
f =1KHz
-50
OdB = 1V
-60
0V = +Vs
-70
-80
-90
-100
-10
-9
-8
-7
-6
-5
-2
-1
-0
Vpin #5 (V)
Figure 13. Crosstalk vs. frequency
Crosstalk (dB)
-30
-35
Vs=+/- 26V
-40
Rl = 8 Ohm
-45
Rs= 50 Ohm
-50
-55
Right to
Left
-60
-65
-70
Left to Right
-75
-80
20
50
100
200
500
1k
2k
5k
10k
20k
Frequency (Hz)
Doc ID 15775 Rev 5
11/22
Characterization curves
TDA7292
Figure 14. Power dissipation vs. output power
Pdiss(W)
40
35
Rl =4 Ohm
f = 1KHz
30
A
Vs= +/- 18V
(A)
25
Vs= +/- 16V
(B)
20
Vs= +/- 14V
(C)
B
C
15
10
5
0
0.1
1
10
2xPout (W)
100
Figure 15. Power dissipation vs. output power
Pdiss(W)
50
45
Rl =6 Ohm
40
35
A
f = 1KHz
Vs= +/- 24V (A)
Vs= +/- 22V (B)
30
25
20
B
Vs= +/-20V (C)
C
15
10
5
0
0.1
1
10
100
2xPout(W)
Figure 16. Power dissipation vs. output power
Pdiss (W)
40
35
Rl =8 Ohm
A
f = 1KHz
30
Vs= +/- 26V (A)
Vs= +/- 24V (B)
25
B
Vs= +/-20V (C)
20
C
15
10
5
0
0.1
12/22
1
2xPout (W)
Doc ID 15775 Rev 5
10
100
TDA7292
4
Mute and standby modes
Mute and standby modes
Pin 5 (MUTE/STANDBY) controls the amplifier status by two different thresholds referenced
to +VS as given in Table 5 below. See also Table 4: Electrical specifications on page 6.
Table 5.
Mute and standby thresholds on pin 5
Nominal voltage on pin 5,
VPIN5
Mode
Remarks
> +VS - 2.5 V
Standby
Output stages turned off
> +VS - 6.0 V, < +VS - 2.5 V
Mute
Output stages turned on, amplifiers muted
< +VS - 6.0 V
Play
Amplifiers active
Figure 17. Mute and standby thresholds on pin 5
+VS
(V)
26
t
-VS
-26
VIN
(mV)
Vpin5
(V)
VS
VS-2.5
VS-6
VS-10
Iq
(mA)
0
VOUT
(V)
OFF
PLAY
STDBY
PLAY
OFF
STDBY
STDBY
MUTE
D04AU1570
MUTE
Doc ID 15775 Rev 5
MUTE
MUTE
13/22
Applications information
5
TDA7292
Applications information
Warning:
SOA protection:
If the TDA7292 is operated without a load connected to the
output terminals, the SOA protection circuit could be
activated when a high amplitude and high frequency signal is
applied to the input.
The frequency and amplitude of the signal able to trigger the
protection is a function also of the supply voltage level used.
If the above mentioned condition is possible when the
speakers are not connected, it is recommended to connect
the input to ground or add a dummy resistive load. For
example, a 1-kΩ / 1-W resistor can be used at Vcc = ±26 V. If a
lower supply voltage is used, the resistor value must be
decreased accordingly.
5.1
Applications with dual supply
Figure 18. Test and applications circuit (dual supply)
+VS
R2
A
C3
MUTE/
ST-BY
Q1
R1
IN (L)
7
R4
SW2 A
MUTE
R3
+
4
OUT (L)
8
IN- (L)
-
C1
GND
C5
3
5
B
SW1
ST-BY DZ
C4
+VS
R7
R5
9
RL (L)
C8
R6
B
10
R9
IN- (R)
R8
C2
IN (R)
11
-
2
+
SW1 position
14/22
SW2 position
-VS
Mode
B
A
B
B
Standby
A
A
Mute
A
B
Play
R10
6
1
C9
Standby
C7
D94AU087B
Doc ID 15775 Rev 5
OUT (R)
C6
RL (R)
TDA7292
Applications information
Table 6.
Recommended values
Larger than
recommended
value
Smaller than
recommended
value
Component
Recommended
value
R1
10 kΩ
Mute circuit
Decrease in DZ
biasing current
-
R2
15 kΩ
Mute circuit
VPIN5 shifted
downwards
VPIN5 shifted
upwards
R3
47 kΩ
Mute circuit
VPIN5 shifted
upwards
VPIN5 shifted
downwards
R4
15 kΩ
Mute circuit
VPIN5 shifted
upwards
VPIN5 shifted
downwards
R5, R8
18 kΩ
Increase in gain
-
R6, R9
560 Ω
Closed-loop gain
setting (1)
Decrease in gain
-
R7, R10
4.7 Ω
Frequency stability
Danger of oscillation
Danger of oscillation
C1, C2
1 μF
Input AC coupling
-
Higher lowfrequency cutoff
C3
1 µF
Standby/mute time
constant
Larger on/off time
Smaller on/off time
C4, C6
1000 μF
Supply voltage
decoupling
-
Danger of oscillation
C5, C7
0.1 μF
Supply voltage
decoupling
-
Danger of oscillation
C8, C9
0.1 μF
Frequency stability
-
-
Dz
5.1 V
Mute circuit
-
-
Q1
BC107
Mute circuit
-
-
Purpose
1. Closed-loop gain must be >29 dB
Doc ID 15775 Rev 5
15/22
Applications information
Note:
TDA7292
The PCB layout shown in Figure 19, 20, and 21 is common to the pin-to-pin compatible
devices TDA7269A, TDA7265 and TDA7265B.
Figure 19. PCB layout, solder side
Figure 20. PCB layout, component side
16/22
Doc ID 15775 Rev 5
TDA7292
Applications information
Figure 21. PCB component placement
5.2
Applications with single supply
Figure 22. Typical applications circuit (single supply)
+VS
D1 5.1V
R1
10K
R3
15K
C1
1μF
C5
1000μF
MUTE
PLAY
5V
0
MUTE
R2
15K
C2
100μF
IN (L)
Q1
BS107
3
5
7
C3 1μF
+
4
OUT (L)
8
IN- (L)
-
9
C4 1μF
IN (R)
11
C6
0.1μF
C9 470μF
R4
30K
R5
1K
+
2
IN- (R)
R8
4.7Ω
C7
0.1μF
OUT
(L)
C10 470μF
10
1
6
GND
OUT (R)
R6
30K
R7
1K
R9
4.7Ω
C8
0.1μF
OUT
(R)
D96AU444A
Doc ID 15775 Rev 5
17/22
Applications information
Note:
TDA7292
The PCB layout shown in Figure 23, 24, and 25 is common to the pin-to-pin compatible
devices TDA7269A, TDA7265, and TDA7265B.
Figure 23. PCB layout, solder side
Figure 24. PCB layout, component side
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Applications information
Figure 25. PCB component placement
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Package mechanical data
6
TDA7292
Package mechanical data
The TDA7292 comes in an 11-pin Multiwatt package.
Figure 26. Multiwatt11 outline drawing and 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
0.022
F
0.88
0.95
0.035
0.037
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
0.772
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
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.
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Revision history
Revision history
Table 7.
Document revision history
Date
Revision
Changes
Nov-2004
1
Initial release.
Oct-2005
2
Inserted PC board and graphics.
Mar-2006
3
Ouput peak current changed.
29-May-2009
4
Updated resistor value setting mute voltage in Figure 1 on
page 1 and Table 5 on page 13.
29-Feb-2012
5
Added Note: on page 16 and Note: on page 18 concerning PCB
layout for pin-to-pin compatible devices.
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TDA7292
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