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TDA7560A
4 x 45 W quad bridge car radio amplifier
Feature
Superior output power capability: - 4 x 50 W/4 max. - 4 x 45 W/4 EIAJ - 4 x 30 W/4 @ 14.4 V, 1 kHz, 10 % - 4 x 80 W/2 max. - 4 x 77 W/2 EIAJ - 4 x 55 W/2 @ 14.4 V, 1 kHz, 10 % Multipower BCD technology MOSFET output power stage Excellent 2 driving capability Hi-fi class distortion Low output noise Standby function Mute function Automute at min. supply voltage detection Low external component count: - Internally fixed gain (26 dB) - No external compensation - No bootstrap capacitors On board 0.35 A high side driver

Flexiwatt27 (vertical)

Overrating chip temperature with soft thermal limiter Output DC offset detection Load dump voltage Fortuitous open GND Reversed battery ESD
Description
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. 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.
Protections

Output short circuit to GND, to VS, across the load Very inductive loads Device summary
Order code E-TDA7560A
Table 1.
Package Flexiwatt27 (vertical)
Packing Tube
November 2008
Rev 3
1/15
www.st.com 1
Contents
TDA7560A
Contents
1 2 Block and pin connection diagrams . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5 Electrical specifications . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 6
2.1 2.2 2.3 2.4 2.5 Absolute maximum ratings . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 6 Thermal data . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 6 Electrical characteristics . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 6 Standard test and application circuit . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 8 Electrical characteristics curves . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 9
3
Application hints . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 12
3.1 3.2 3.3 3.4 3.5 SVR . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 12 Input stage . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 12 Standby and muting . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 12 DC offset detector . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 12 Heatsink definition . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 12
4 5
Package information . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 13 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. 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 = 4) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 9 Output power vs. supply voltage (RL = 2) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 9 Distortion vs. output power (RL = 4). . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 9 Distortion vs. output power (RL = 2). . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 9 Distortion vs. frequency (RL = 4) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 9 Distortion vs. frequency (RL = 2) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 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 4. . . . . . . . . . . . .11 Power dissipation vs. output power (music/speech simulation); RL = 4 x 2. . . . . . . . . . . . .11 ITU R-ARM frequency response, weighting filter for transient pop. . . . . . . . . . . . . . . . . . . 11 Flexiwatt27 (vertical) mechanical data and package dimensions . . . . . . . . . . . . . . . . . . . . 13
4/15
TDA7560A
Block and pin connection diagrams
1
Block and pin connection diagrams
Figure 1. Block diagram
Vcc1 Vcc2 470F ST-BY OFF DET MUTE HSD HSD/OFF DET OUT1+ IN1 0.1F OUT1PW-GND OUT2+ IN2 0.1F OUT2PW-GND OUT3+ IN3 0.1F OUT3PW-GND OUT4+ IN4 0.1F AC-GND 0.47F SVR 47F
D03AU1467
100nF
OUT4PW-GND TAB S-GND
Figure 2.
Pin connection (top view)
1
27
TAB
PW-GND
OUT2-
ST-BY
OUT2+
OUT1-
PW-GND
OUT1+
SVR
IN1
IN2
S-GND
IN4
IN3
AC-GND
OUT3+
PW-GND
OFF DET
OUT3-
MUTE
PW-GND
OUT4+
D03AU1468
OUT4-
HSD
TAB
VCC
VCC
5/15
Electrical specifications
TDA7560A
2
2.1
Electrical specifications
Absolute maximum ratings
Table 2.
Symbol VCC VCC (DC) VCC (pk) IO Ptot Tj Tstg
Absolute maximum ratings
Parameter Operating supply voltage DC supply voltage Peak supply voltage (for t = 50 ms) Output peak current Repetitive (duty cycle 10 % at f = 10 Hz) Non repetitive (t = 100 s) Power dissipation Tcase = 70 C Junction temperature Storage temperature Value 18 28 50 9 10 85 150 -55 to 150 Unit V V V A A W C C
2.2
Thermal data
Table 3.
Symbol Rth j-case
Thermal data
Parameter Thermal resistance junction to case Max. Value 1 Unit C/W
2.3
Table 4.
Electrical characteristics
Electrical characteristics (Refer to the test and application diagram, VS = 13.2 V; RL = 4 ; Rg = 600 ; f = 1 kHz; Tamb = 25 C; unless otherwise specified).
Parameter Quiescent current Output offset voltage During mute ON/OFF output offset voltage Voltage gain Channel gain unbalance 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 25 19 30 23 25 26 RL = Play Mode Test condition Min. 80 Typ. 200 Max. 320 50 60 27 1 Unit mA mV mV dB dB
Symbol Iq1 VOS dVOS Gv dGv
Po
Output power
W
6/15
TDA7560A Table 4.
Electrical specifications Electrical characteristics (continued) (Refer to the test and application diagram, VS = 13.2 V; RL = 4 ; Rg = 600 ; f = 1 kHz; Tamb = 25 C; unless otherwise specified).
Parameter Test condition VS = 13.2 V; THD = 10 %, 2 VS = 13.2 V; THD = 1 %, 2 VS = 14.4 V; THD = 10 %, 2 VS = 14.4 V; THD = 1 %, 2 VS = 13.7 V; RL = 4 VS = 13.7 V; RL = 2 VS = 14.4 V; RL = 4 VS = 14.4 V; RL = 2 Po = 4 W Po = 15 W; RL = 2 "A" Weighted Bw = 20 Hz to 20 kHz f = 100 Hz; Vr = 1 Vrms PO = 0.5 W 50 100 80 f = 1 kHz PO = 4 W f = 10 kHz PO = 4 W VST-BY = 1.5V VST-BY = 0 V 60 50 Min. 42 32 50 40 41 43 75 Typ. 45 34 55 43 45 77 50 80 0.006 0.015 35 50 70 300 100 70 60 120 20 10 10 3.5 1.5 80 3.5 1.5 6.5 7 7.5 7 -5 12 8 18 18 A A 90 A V V dB V V 0.02 0.03 50 70 Max. Unit
Symbol
Po
Output power
W
Po EIAJ Po max. THD eNo SVR fch Ri CT ISB Ipin5 VSB out VSB in AM VM out VM in
EIAJ output power(1) Max. output power(1) Distortion Output noise Supply voltage rejection High cut-off frequency Input impedance Cross talk
W W % V dB kHz K dB A
Standby current consumption ST-BY pin current Standby out threshold voltage Standby in threshold voltage Mute attenuation Mute out threshold voltage Mute in threshold voltage
VST-BY = 1.5 V to 3.5 V (Amp: ON) (Amp: OFF) POref = 4W (Amp: Play) (Amp: Mute) (Amp: Mute) Att 80 dB; POref = 4 W (Amp: Play) Att < 0.1 dB; PO = 0.5 W VMUTE = 1.5 V (Sourced current) VMUTE = 3.5 V
VAM in
VS automute threshold
V
Ipin23
Muting pin current
HSD section VM MAX Vdropout Iprot Mute voltage for HSD operation Dropout voltage Current limits IO = 0.35 A; VS = 9 to 16 V 400 0.25 6 0.6 800 V V mA
7/15
Electrical specifications Table 4.
TDA7560A
Electrical characteristics (continued) (Refer to the test and application diagram, VS = 13.2 V; RL = 4 ; Rg = 600 ; f = 1 kHz; Tamb = 25 C; unless otherwise specified).
Parameter Test condition Min. Typ. Max. Unit
Symbol
Offset detector (Pin 26) VM_ON VM_OFF VOFF V26_T V26_F Mute voltage for DC offset detection enabled 8 VST-BY = 5 V 2 0 12 3 6 4 1.5 V V V V V
Detected differential output offset VST-BY = 5 V; Vmute = 8 V Pin 26 voltage for detection = True Pin 26 voltage for detection = False VST-BY = 5 V; Vmute = 8 V VOFF > 4 V VST-BY = 5 V; Vmute = 8 V VOFF > 2 V
1. Saturated square wave output.
2.4
Standard test and application circuit
Figure 3. Standard test and application circuit
C8 0.1F
C7 2200F Vcc1-2 Vcc3-4 7 21 10 9 OUT1
R1 ST-BY 10K R2 MUTE 47K C1 IN1 0.1F IN2 C2 0.1F IN3 C3 0.1F IN4 C4 0.1F S-GND 15 14 17 C5 0.47F SVR C6 47F 11 16 13 12 C10 1F C9 1F 23 5
8
6 3 4 OUT2
18 19 20 OUT3
22 25 24 26 1, 27 2 OFF DET OUT4
HSD/OFF DET
TAB
D03AU1469
8/15
TDA7560A
Electrical specifications
2.5
Figure 4.
Electrical characteristics curves
Quiescent current vs. supply voltage Figure 5. Output power vs. supply voltage (RL = 4)
240 220 200 180 160 140
Id (mA)
Vi = 0 RL = 4 Ohm
8
10
12 Vs (V)
14
16
18
80 75 70 65 60 55 50 45 40 35 30 25 20 15 10 5
Po (W)
Po-max
RL= 4 Ohm f= 1 KHz
THD= 10 %
THD= 1 %
8
9
10
11
12
13 14 Vs (V)
15
16
17
18
Figure 6.
Output power vs. supply voltage (RL = 2)
Figure 7.
Distortion vs. output power (RL = 4)
130 120 110 100 90 80 70 60 50 40 30 20 10
Po (W)
Po-max
THD (%) 10
Vs= 14.4 V RL = 4 Ohm f = 10 KHz
RL= 2 Ohm f= 1 KHz
1
THD= 10 %
0.1
THD= 1 %
0.01
f = 1 KHz
8
9
10
11
12
13 14 Vs (V)
15
16
17
18
0.001 0.1
1 Po (W)
10
Figure 8.
Distortion vs. output power (RL = 2)
Figure 9.
Distortion vs. frequency (RL = 4)
10
THD (%)
Vs= 14.4 V
10
THD (%)
1
RL = 2 Ohm f = 10 KHz
1
Vs = 14.4 V RL = 4 Ohm Po = 4 W
0.1
f = 1 KHz
0.1
0.01
0.01
0.001 0.1
1
Po (W)
10
0.001 10
100
f (Hz)
1000
10000
9/15
Electrical specifications
TDA7560A
Figure 10. Distortion vs. frequency (RL = 2)
Figure 11. Crosstalk vs. frequency
10
THD (%)
90 80
CROSSTALK (dB)
1
Vs = 14.4 V RL = 2 Ohm Po = 8 W
70 60 50
RL = 4 Ohm Po = 4 W Rg = 600 Ohm
0.1
40 30
0.01
0.001 10
20
100
f (Hz)
1000
10000
10
100
f (Hz)
1000
10000
Figure 12. Supply voltage rejection vs. frequency
SVR (dB) 100 90 80 70 60 50 40 30 20 10 100 f (Hz) 1000 10000
Rg= 600 Ohm
Figure 13. Output attenuation vs. supply voltage
OUT ATTN (dB) 0 -20 -40 -60 -80 -100 5 6 7 Vs (V) 8 9 10
RL = 4 Ohm Po= 4 W ref.
Vripple= 1 Vrms
Figure 14. Output noise vs. source resistance
Figure 15. Power dissipation and efficiency vs. output power (sine-wave operation)
Ptot (W) 90 80
n Vs= 13.2 V RL= 4 x 4 Ohm f= 1 KHz SINE
En (uV) 130 120 110 100 90 80 70 60 50 40 30 20
n (%)
90 80 70 60 50 40
Vs= 14.4 V RL= 4 Ohm
70 60 50 40
22-22 KHz lin.
30 20
Ptot
30 20 10
"A" wgtd
10 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)
10/15
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 4 RL = 4 x 2
30 25 20 15 10 5 Ptot (W)
Vs= 13.2 V RL= 4 x 4 Ohm GAUSSIAN NOISE CLIP START
60 55 50 45 40 35 30 25 20 15 10 5
Ptot (W)
Vs= 13.2 V RL= 4 x 2 Ohm GAUSSIAN NOISE
CLIP START
0
1
2
3 Po (W)
4
5
6
0
2
4 Po (W)
6
8
10
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
TDA7560A
3
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 F.
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 (0.1F) 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: - - 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
3.5
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
4
Package information
In order to meet environmental requirements, ST (also) offers these devices in ECOPACK(R) packages. ECOPACK(R) 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. 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 MIN. 4.45 1.80 0.75 0.37 0.80 25.75 28.90 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 1.05 0.42 0.57 1.20 26.25 29.30 MIN. 0.175 0.070 0.029 0.014 0.031 1.014 1.139 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 0.041 0.016 0.022 0.047 1.033 1.153
OUTLINE AND MECHANICAL DATA
22.07 18.57 15.50 7.70
22.87 19.37 15.90 7.95
0.869 0.731 0.610 0.303
0.904 0.762 0.626 0.313
3.70 3.60
4.30 4.40
0.145 0.142
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 H3 H2 R3 R4 V1 R2 R L L1 A
V3
L4
O
L2
N
L3
V1
V2
R2 L5 G G1 F
R1 R1 R1 E
FLEX27ME
D
Pin 1
M
M1
7139011
13/15
Revision history
TDA7560A
5
Revision history
Table 5.
Date 16-Mar-2003
Document revision history
Revision 1 Initial release. 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. Modified max. values of the VOS and THD parameter in Table 4: Electrical characteristics. Changes
29-Sep-2008
2
07-Nov-2008
3
14/15
TDA7560A
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