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 13/15 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 Please Read Carefully: Information in this document is provided solely in connection with ST products. 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