STMICROELECTRONICS TDA7560A

TDA7560A
4 x 45 W quad bridge car radio amplifier
Feature
■
Superior output power capability:
– 4 x 50 W/4 Ω max.
– 4 x 45 W/4 Ω EIAJ
– 4 x 30 W/4 Ω @ 14.4 V, 1 kHz, 10 %
– 4 x 80 W/2 Ω max.
– 4 x 77 W/2 Ω EIAJ
– 4 x 55 W/2 Ω @ 14.4 V, 1 kHz, 10 %
Flexiwatt27 (vertical)
■
Overrating chip temperature with soft thermal
limiter
■
Output DC offset detection
■
Load dump voltage
■
Fortuitous open GND
■
Reversed battery
■
ESD
■
Multipower BCD technology
■
MOSFET output power stage
■
Excellent 2 Ω driving capability
■
Hi-fi class distortion
■
Low output noise
■
Standby function
■
Mute function
■
Automute at min. supply voltage detection
Description
■
Low external component count:
– Internally fixed gain (26 dB)
– No external compensation
– No bootstrap capacitors
The TDA7560A is a breakthrough BCD (Bipolar /
CMOS / DMOS) technology class AB audio power
amplifier in Flexiwatt 27 package designed for
high power car radio.
■
On board 0.35 A high side driver
Protections
■
Output short circuit to GND, to VS, across the
load
■
Very inductive loads
Table 1.
The fully complementary P-Channel/N-Channel
output structure allows a rail to rail output voltage
swing which, combined with high output current
and minimized saturation losses sets new power
references in the car-radio field, with unparalleled
distortion performances.
Device summary
Order code
Package
Packing
E-TDA7560A
Flexiwatt27 (vertical)
Tube
November 2008
Rev 3
1/15
www.st.com
1
Contents
TDA7560A
Contents
1
Block and pin connection diagrams . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5
2
Electrical specifications . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 6
3
2.1
Absolute maximum ratings . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 6
2.2
Thermal data . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 6
2.3
Electrical characteristics . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 6
2.4
Standard test and application circuit . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 8
2.5
Electrical characteristics curves . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 9
Application hints . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 12
3.1
SVR . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 12
3.2
Input stage . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 12
3.3
Standby and muting . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 12
3.4
DC offset detector . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 12
3.5
Heatsink definition . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 12
4
Package information . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 13
5
Revision history . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 14
2/15
TDA7560A
List of tables
List of tables
Table 1.
Table 2.
Table 3.
Table 4.
Table 5.
Device summary . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1
Absolute maximum ratings . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 6
Thermal data. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 6
Electrical characteristics . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 6
Document revision history . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 14
3/15
List of figure
TDA7560A
List of figure
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.
4/15
Block diagram . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5
Pin connection (top view) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5
Standard test and application circuit . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 8
Quiescent current vs. supply voltage . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 9
Output power vs. supply voltage (RL = 4Ω) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 9
Output power vs. supply voltage (RL = 2Ω) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 9
Distortion vs. output power (RL = 4Ω). . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 9
Distortion vs. output power (RL = 2Ω). . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 9
Distortion vs. frequency (RL = 4Ω) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 9
Distortion vs. frequency (RL = 2Ω) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 10
Crosstalk vs. frequency . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 10
Supply voltage rejection vs. frequency . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 10
Output attenuation vs. supply voltage. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 10
Output noise vs. source resistance. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 10
Power dissipation and efficiency vs. output power (sine-wave operation) . . . . . . . . . . . . . 10
Power dissipation vs. output power (music/speech simulation); RL = 4 x 4Ω. . . . . . . . . . . . .11
Power dissipation vs. output power (music/speech simulation); RL = 4 x 2Ω. . . . . . . . . . . . .11
ITU R-ARM frequency response, weighting filter for transient pop. . . . . . . . . . . . . . . . . . . 11
Flexiwatt27 (vertical) mechanical data and package dimensions . . . . . . . . . . . . . . . . . . . . 13
TDA7560A
Block and pin connection diagrams
Figure 1.
Block diagram
Vcc1
Vcc2
470μF
100nF
ST-BY
OFF DET
MUTE
HSD
HSD/OFF DET
OUT1+
OUT1-
IN1
PW-GND
0.1μF
OUT2+
IN2
OUT20.1μF
PW-GND
OUT3+
OUT3-
IN3
PW-GND
0.1μF
OUT4+
OUT4-
IN4
PW-GND
0.1μF
AC-GND
SVR
0.47μF
TAB
S-GND
47μF
D03AU1467
Pin connection (top view)
27
HSD
PW-GND
MUTE
OUT4-
VCC
OUT4+
OUT3-
OUT3+
PW-GND
IN3
AC-GND
IN4
IN2
S-GND
IN1
SVR
OUT1+
PW-GND
VCC
OUT1-
ST-BY
OUT2+
OUT2-
PW-GND
TAB
1
TAB
Figure 2.
OFF DET
1
Block and pin connection diagrams
D03AU1468
5/15
Electrical specifications
TDA7560A
2
Electrical specifications
2.1
Absolute maximum ratings
Table 2.
Absolute maximum ratings
Symbol
Value
Unit
Operating supply voltage
18
V
VCC (DC)
DC supply voltage
28
V
VCC (pk)
Peak supply voltage (for t = 50 ms)
50
V
Output peak current
Repetitive (duty cycle 10 % at f = 10 Hz)
Non repetitive (t = 100 µs)
9
10
A
A
Power dissipation Tcase = 70 °C
85
W
Tj
Junction temperature
150
°C
Tstg
Storage temperature
-55 to 150
°C
Value
Unit
1
°C/W
VCC
IO
Ptot
2.2
Parameter
Thermal data
Table 3.
Thermal data
Symbol
Rth j-case
Parameter
Thermal resistance junction to case
Max.
2.3
Electrical characteristics
Table 4.
Electrical characteristics
(Refer to the test and application diagram, VS = 13.2 V; RL = 4 Ω; Rg = 600 Ω; f = 1 kHz;
Tamb = 25 °C; unless otherwise specified).
Symbol
Parameter
Test condition
Quiescent current
RL = ∞
VOS
Output offset voltage
Play Mode
dVOS
During mute ON/OFF output
offset voltage
Iq1
Gv
Voltage gain
dGv
Channel gain unbalance
Po
6/15
Output power
Min.
Typ.
Max.
Unit
80
200
320
mA
±50
mV
±60
mV
27
dB
±1
dB
25
VS = 13.2 V; THD = 10 %
VS = 13.2 V; THD = 1 %
VS = 14.4 V; THD = 10 %
VS = 14.4 V; THD = 1 %
23
16
28
20
26
25
19
30
23
W
TDA7560A
Table 4.
Electrical specifications
Electrical characteristics (continued)
(Refer to the test and application diagram, VS = 13.2 V; RL = 4 Ω; Rg = 600 Ω; f = 1 kHz;
Tamb = 25 °C; unless otherwise specified).
Symbol
Min.
Typ.
Output power
VS = 13.2 V; THD = 10 %, 2 Ω
VS = 13.2 V; THD = 1 %, 2 Ω
VS = 14.4 V; THD = 10 %, 2 Ω
VS = 14.4 V; THD = 1 %, 2 Ω
42
32
50
40
45
34
55
43
W
Po EIAJ
EIAJ output power(1)
VS = 13.7 V; RL = 4 Ω
VS = 13.7 V; RL = 2 Ω
41
45
77
W
Po max.
Max. output power(1)
VS = 14.4 V; RL = 4 Ω
VS = 14.4 V; RL = 2 Ω
43
75
50
80
W
THD
Distortion
Po = 4 W
Po = 15 W; RL = 2 Ω
eNo
Output noise
"A" Weighted
Bw = 20 Hz to 20 kHz
SVR
Supply voltage rejection
f = 100 Hz; Vr = 1 Vrms
50
70
dB
fch
High cut-off frequency
PO = 0.5 W
100
300
kHz
Ri
Input impedance
80
100
120
KΩ
CT
Cross talk
60
50
70
60
-
dB
ISB
Standby current consumption
Ipin5
Po
Parameter
Test condition
f = 1 kHz PO = 4 W
f = 10 kHz PO = 4 W
Max.
0.006
0.015
0.02
0.03
%
35
50
50
70
µV
VST-BY = 1.5V
20
VST-BY = 0 V
10
ST-BY pin current
VST-BY = 1.5 V to 3.5 V
±10
VSB out
Standby out threshold voltage
(Amp: ON)
VSB in
Standby in threshold voltage
(Amp: OFF)
Mute attenuation
POref = 4W
80
VM out
Mute out threshold voltage
(Amp: Play)
3.5
VM in
Mute in threshold voltage
(Amp: Mute)
VS automute threshold
(Amp: Mute)
Att ≥ 80 dB; POref = 4 W
(Amp: Play)
Att < 0.1 dB; PO = 0.5 W
AM
VAM in
Ipin23
Muting pin current
3.5
90
7
VMUTE = 3.5 V
-5
μA
V
dB
V
1.5
VMUTE = 1.5 V
(Sourced current)
μA
V
1.5
6.5
Unit
7
V
V
7.5
8
12
18
μA
18
μA
6
V
0.6
V
800
mA
HSD section
VM MAX
Mute voltage for HSD operation
Vdropout
Dropout voltage
Iprot
Current limits
IO = 0.35 A; VS = 9 to 16 V
0.25
400
7/15
Electrical specifications
Table 4.
Symbol
TDA7560A
Electrical characteristics (continued)
(Refer to the test and application diagram, VS = 13.2 V; RL = 4 Ω; Rg = 600 Ω; f = 1 kHz;
Tamb = 25 °C; unless otherwise specified).
Parameter
Test condition
Min.
Typ.
Max.
Unit
Offset detector (Pin 26)
VM_ON
VM_OFF
8
Mute voltage for DC offset
detection enabled
V
VST-BY = 5 V
VOFF
Detected differential output offset VST-BY = 5 V; Vmute = 8 V
±2
V26_T
Pin 26 voltage for detection =
True
VST-BY = 5 V; Vmute = 8 V
VOFF > ±4 V
0
V26_F
Pin 26 voltage for detection =
False
VST-BY = 5 V; Vmute = 8 V
VOFF > ±2 V
12
6
V
±4
V
1.5
V
±3
V
1. Saturated square wave output.
2.4
Standard test and application circuit
Figure 3.
Standard test and application circuit
C8
0.1μF
C7
2200μF
Vcc1-2
Vcc3-4
7
R1
ST-BY
21
10
5
10K
R2
C9
1μF
MUTE
9
23
47K
C10
1μF
6
C1
IN1
4
0.1μF
18
13
19
C2 0.1μF
IN3
OUT3
20
16
C3 0.1μF
22
25
15
IN4
C4 0.1μF
OUT2
3
12
IN2
OUT1
8
S-GND
14
17
C5
0.47μF
OUT4
24
11
SVR
C6
47μF
26
1, 27
HSD/OFF DET
2
OFF DET
TAB
D03AU1469
8/15
TDA7560A
Electrical specifications
2.5
Electrical characteristics curves
Figure 4.
Quiescent current vs. supply
voltage
Figure 5.
Id (mA)
240
Vi = 0
220
RL = 4 Ohm
200
180
160
140
8
10
Figure 6.
130
120
110
100
90
80
70
60
50
40
30
20
10
12
Vs (V)
14
16
18
Output power vs. supply voltage
(RL = 2Ω)
80
75
70
65
60
55
50
45
40
35
30
25
20
15
10
5
Output power vs. supply voltage
(RL = 4Ω)
Po (W)
Po-max
RL= 4 Ohm
f= 1 KHz
THD= 10 %
THD= 1 %
8
9
Figure 7.
10
11
12
13 14
Vs (V)
15
16
17
18
Distortion vs. output power
(RL = 4Ω)
THD (%)
10
Po (W)
Po-max
Vs= 14.4 V
RL = 4 Ohm
1
RL= 2 Ohm
f= 1 KHz
THD= 10 %
f = 10 KHz
0.1
THD= 1 %
8
9
Figure 8.
10
10
11
12
13 14
Vs (V)
15
16
17
f = 1 KHz
0.01
18
0.001
0.1
1
10
Po (W)
Distortion vs. output power
(RL = 2Ω)
THD (%)
Figure 9.
10
Distortion vs. frequency (RL = 4Ω)
THD (%)
Vs= 14.4 V
1
1
RL = 2 Ohm
f = 10 KHz
0.1
0.1
0.01
f = 1 KHz
0.01
0.001
0.1
Vs = 14.4 V
RL = 4 Ohm
Po = 4 W
1
Po (W)
10
0.001
10
100
f (Hz)
1000
10000
9/15
Electrical specifications
TDA7560A
Figure 10. Distortion vs. frequency (RL = 2Ω)
THD (%)
10
Figure 11. Crosstalk vs. frequency
CROSSTALK (dB)
90
80
1
Vs = 14.4 V
RL = 2 Ohm
70
Po = 8 W
60
0.1
50
RL = 4 Ohm
Po = 4 W
Rg = 600 Ohm
40
0.01
30
20
0.001
10
100
1000
f (Hz)
10000
Figure 12. Supply voltage rejection vs.
frequency
10
100
f (Hz)
1000
10000
Figure 13. Output attenuation vs. supply
voltage
OUT ATTN (dB)
SVR (dB)
100
0
90
80
RL = 4 Ohm
Po= 4 W ref.
-20
70
-40
60
50
-60
Rg= 600 Ohm
40
Vripple= 1 Vrms
-80
30
20
-100
10
100
f (Hz)
1000
10000
Figure 14. Output noise vs. source resistance
10/15
6
7
8
9
Figure 15. Power dissipation and efficiency vs.
output power (sine-wave operation)
n (%)
90
80
Vs= 14.4 V
RL= 4 Ohm
70
RL= 4 x 4 Ohm
60
90
80
n
Vs= 13.2 V
70
22-22 KHz lin.
10
Vs (V)
Ptot (W)
En (uV)
130
120
110
100
90
80
70
60
50
40
30
20
5
60
f= 1 KHz SINE
50
50
40
40
30
Ptot
30
20
20
10
10
"A" wgtd
0
1
10
100
1000
Rg (Ohm)
10000
100000
0
2
4
6
0
8 10 12 14 16 18 20 22 24 26 28 30
Po (W)
TDA7560A
Electrical specifications
Figure 16. Power dissipation vs. output power Figure 17. Power dissipation vs. output power
(music/speech simulation);
(music/speech simulation);
RL = 4 x 4Ω
RL = 4 x 2Ω
30
Ptot (W)
60
55
50
45
40
35
30
25
20
15
10
5
Vs= 13.2 V
RL= 4 x 4 Ohm
25
GAUSSIAN NOISE
CLIP START
20
15
10
5
0
1
2
3
Po (W)
4
5
6
Ptot (W)
Vs= 13.2 V
RL= 4 x 2 Ohm
GAUSSIAN NOISE
CLIP START
0
2
4
6
8
10
Po (W)
Figure 18. ITU R-ARM frequency response,
weighting filter for transient pop
Output attenuation (dB)
10
0
-10
-20
-30
-40
-50
10
100
1000
Hz
10000
100000
AC00343
11/15
Application hints
3
TDA7560A
Application hints
(ref. to the circuit of Figure 3)
3.1
SVR
Besides its contribution to the ripple rejection, the SVR capacitor governs the turn ON/OFF
time sequence and, consequently, plays an essential role in the pop optimization during
ON/OFF transients.To conveniently serve both needs, ITS MINIMUM RECOMMENDED
VALUE IS 10 µF.
3.2
Input stage
The TDA7560A's inputs are ground-compatible and can stand very high input signals
(±8 Vpk) without any performances degradation.
If the standard value for the input capacitors (0.1µF) is adopted, the low frequency cut-off
will amount to 16 Hz.
3.3
Standby and muting
Standby and Muting facilities are both CMOS-compatible. In absence of true CMOS ports or
microprocessors, a direct connection to Vs of these two pins is admissible but a 470 kOhm
equivalent resistance should be present between the power supply and the muting and
ST-BY pins.
R-C cells have always to be used in order to smooth down the transitions for preventing any
audible transient noises.
About the standby, the time constant to be assigned in order to obtain a virtually pop-free
transition has to be slower than 2.5 V/ms.
3.4
DC offset detector
The TDA7560A integrates a DC offset detector to avoid that an anomalous DC offset on the
inputs of the amplifier may be multiplied by the gain and result in a dangerous large offset on
the outputs which may lead to speakers damage for overheating. The feature is enabled by
the MUTE pin (according to Table 4) and works with the amplifier unmuted and with no
signal on the inputs.
The DC offset detection can be available at 2 different pins:
3.5
–
Pin 2 (always enabled)
–
Pin 26. Only enabled if Vmute (pin23) is set higher than 8V. If not (Vmute < 6 V)
pin 26 will revert to the original HSD function
Heatsink definition
Under normal usage (4 Ohm speakers) the heatsink's thermal requirements have to be
deduced from Figure 16, which reports the simulated power dissipation when real
music/speech programmes are played out. Noise with gaussian-distributed amplitude was
employed for this simulation. Based on that, frequent clipping occurrence (worst-case) will
cause Pdiss = 26 W. Assuming Tamb = 70 °C and TCHIP = 150 °C as boundary conditions, the
heatsink's thermal resistance should be approximately 2 °C/W. This would avoid any
thermal shutdown occurrence even after long-term and full-volume operation
12/15
TDA7560A
Package information
In order to meet environmental requirements, ST (also) offers these devices in ECOPACK®
packages. ECOPACK® packages are lead-free. The category of second Level Interconnect
is marked on the package and on the inner box label, in compliance with JEDEC Standard
JESD97. The maximum ratings related to soldering conditions are also marked on the inner
box label.
ECOPACK is an ST trademark. ECOPACK specifications are available at: www.st.com.
Figure 19. Flexiwatt27 (vertical) mechanical data and package dimensions
DIM.
MIN.
4.45
1.80
A
B
C
D
E
F (1)
G
G1
H (2)
H1
H2
H3
L (2)
L1
L2 (2)
L3
L4
L5
M
M1
N
O
R
R1
R2
R3
R4
V
V1
V2
V3
0.75
0.37
0.80
25.75
28.90
22.07
18.57
15.50
7.70
3.70
3.60
mm
TYP.
4.50
1.90
1.40
0.90
0.39
1.00
26.00
29.23
17.00
12.80
0.80
22.47
18.97
15.70
7.85
5
3.5
4.00
4.00
2.20
2
1.70
0.5
0.3
1.25
0.50
MAX.
4.65
2.00
MIN.
0.175
0.070
1.05
0.42
0.57
1.20
26.25
29.30
0.029
0.014
0.031
1.014
1.139
22.87
19.37
15.90
7.95
0.869
0.731
0.610
0.303
4.30
4.40
0.145
0.142
inch
TYP.
0.177
0.074
0.055
0.035
0.015
0.040
1.023
1.150
0.669
0.503
0.031
0.884
0.747
0.618
0.309
0.197
0.138
0.157
0.157
0.086
0.079
0.067
0.02
0.12
0.049
0.019
MAX.
0.183
0.079
OUTLINE AND
MECHANICAL DATA
0.041
0.016
0.022
0.047
1.033
1.153
0.904
0.762
0.626
0.313
0.169
0.173
5˚ (Typ.)
3˚ (Typ.)
20˚ (Typ.)
45˚ (Typ.)
Flexiwatt27 (vertical)
(1): dam-bar protusion not included
(2): molding protusion included
V
C
B
V
H
H1
V3
A
H2
O
H3
R3
L4
R4
V1
R2
L2
N
R
L3
4
Package information
L
L1
V1
V2
R2
D
R1
L5
Pin 1
R1
R1
E
G
G1
F
FLEX27ME
M
M1
7139011
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Revision history
5
TDA7560A
Revision history
Table 5.
14/15
Document revision history
Date
Revision
Changes
16-Mar-2003
1
Initial release.
29-Sep-2008
2
Document reformatted.
Changed the order code, see Table 1: Device summary.
Updated Table 4: Electrical characteristics.
Added Figure 18: ITU R-ARM frequency response, weighting filter for
transient pop.
07-Nov-2008
3
Modified max. values of the VOS and THD parameter in Table 4:
Electrical characteristics.
TDA7560A
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