TDA7562

TDA7562 MULTIFUNCTION QUAD POWER AMPLIFIER WITH BUILT-IN DIAGNOSTICS FEATURES ■ ■ ■ ■ ■ ■ ■ ■ ■ ■ DMOS POWER OUTPUT HIGH OUTPUT POWER CAPABILITY 4x25W/ 4 @ 14.4V, 1KHZ, 10% THD, 4x35W EIAJ MAX. OUTPUT POWER 4x60W/2 MULTIPOWER BCD TECHNOLOGY MOSFET OUTPUT POWER STAGE FULL I2C BUS DRIVING: – ST-BY – INDEPENDENT FRONT/REAR SOFT PLAY/ MUTE – SELECTABLE GAIN 30dB - 16dB (FOR LOW NOISE LINE OUTPUT FUNCTION) – I2C BUS DIGITAL DIAGNOSTICS FULL FAULT PROTECTION DC OFFSET DETECTION FOUR INDEPENDENT SHORT CIRCUIT PROTECTION CLIPPING DETECTOR PIN WITH SELECTABLE THRESHOLD (2%/10%) ST-BY/MUTE PIN ESD PROTECTION DESCRIPTION The TDA7562 is a new BCD technology Quad FLEXIWATT27 (Vertical) Bridge type of car radio amplifier in Flexiwatt27V package specially intended for car radio applications. Thanks to the DMOS output stage the TDA7562 has a very low distortion allowing a clear powerful sound. This device is equipped with a full diagnostics array that communicates the status of each speaker through the I2C bus.The possibility to control the configuration and the behaviour of the device by means of the I2C bus makes TDA7562 a very flexible machine. BLOCK DIAGRAM CLK DATA VCC1 VCC2 ST-BY/MUTE Thermal Protection & Dump I2CBUS Mute1 Mute2 IN RF Reference CD_OUT Clip Detector F OUT RF+ 16/30dB IN RR Short Circuit Protection & Diagnostic R OUT RFOUT RR+ 16/30dB IN LF OUT RR- Short Circuit Protection & Diagnostic F OUT LF+ 16/30dB IN LR OUT LF- Short Circuit Protection & Diagnostic R OUT LR+ 16/30dB Short Circuit Protection & Diagnostic SVR AC_GND RF RR LF LR OUT LR- TAB S_GND PW_GND September 2013 1/17 TDA7562 ABSOLUTE MAXIMUM RATINGS Symbol Value Unit Vop Operating Supply Voltage 18 V VS DC Supply Voltage 28 V Vpeak Peak Supply Voltage (for t = 50ms) 50 V VCK CK pin Voltage 6 V Data Pin Voltage 6 V IO Output Peak Current (not repetitive t = 100s) 8 A IO Output Peak Current (repetitive f > 10Hz) 6 A Power Dissipation Tcase = 70°C 85 W -55 to 150 °C VDATA Ptot Tstg, Tj Parameter Storage and Junction Temperature THERMAL DATA Symbol Rth j-case Parameter Max. Thermal Resistance Junction to case PIN CONNECTION (Top view) 27 TAB 26 DATA 25 PW_GND RR 24 OUT RR- 23 CK 22 OUT RR+ 21 VCC2 20 OUT RF- 19 PW_GND RF 18 OUT RF+ 17 AC GND 16 IN RF 15 IN RR 14 S_GND 13 IN LR 12 IN LF 11 SVR 10 OUT LF+ 9 PW_GND LF 8 OUT LF- 7 VCC1 6 OUT LR+ 5 CD-OUT 4 OUT LR- 3 PW_GND LR 2 STBY 1 TAB D00AU1230 2/17 Value Unit 1 °C/W TDA7562 Figure 1. Application Circuit C8 0.1μF C7 3300μF Vcc1 V(4V .. VCC) 2 DATA 26 CLK 23 Vcc2 7 21 18 + 19 20 I2C BUS 22 OUT RF + 25 C1 0.22μF IN RF 16 24 10 C2 0.22μF IN RR 15 + 9 8 C3 0.22μF IN LF OUT RR 6 12 OUT LF + 3 C4 0.22μF IN LR 4 13 S-GND 14 17 11 5 1, 27 OUT LR TAB 47K C5 1μF C6 10μF V D00AU1231A CD OUT 3/17 TDA7562 ELECTRICAL CHARACTERISTICS (Refer to the test circuit, VS = 14.4V; RL = 4; f = 1KHz; Tamb = 25°C; unless otherwise specified.) Symbol Parameter Test Condition Min. Typ. Max. Unit 18 V 150 300 mA POWER AMPLIFIER VS Supply Voltage Range Id Total Quiescent Drain Current PO Output Power THD Total Harmonic Distortion 8 EIAJ (VS = 13.7V) 32 35 W THD = 10% THD = 1% 22 25 20 W W RL = 2; EIAJ (VS = 13.7V) RL = 2; THD 10% RL = 2; THD 1% RL = 2; MAX POWER 50 32 55 38 30 60 W W W W PO = 1W to 10W; f = 1kHz 0.04 0.1 % PO = 1-10W, f = 10kHz 0.02 0.5 % 0.02 0.05 GV = 16dB; VO = 0.1 to 5VRMS CT Cross Talk RIN Input Impedance GV1 Voltage Gain 1 GV1 GV2 f = 1KHz to 10KHz, Rg = 600 Voltage Gain Match 1 60 60 100 130 K 29.5 30 30.5 dB -1 Voltage Gain 2 % 50 15.5 dB 1 dB 16 16.5 dB GV2 Voltage Gain Match 2 1 dB EIN1 Output Noise Voltage 1 Rg = 600 20Hz to 22kHz 50 100 V EIN2 Output Noise Voltage 2 Rg = 600; GV = 16dB 20Hz to 22kHz 15 30 V SVR Supply Voltage Rejection f = 100Hz to 10kHz; Vr = 1Vpk; Rg = 600 -1 50 BW Power Bandwidth 100 ASB Stand-by Attenuation 90 ISB Stand-by Current 60 KHz 110 2 AM Mute Attenuation VOS Offset Voltage VAM Min. Supply Mute Threshold TON Turn ON Delay D2/D1 (IB1) 0 to 1 D2/D1 (IB1) 1 to 0 Mute & Play dB dB 100 A 100 mV 80 100 -100 0 dB 7 7.5 8 V 5 20 ms 20 ms TOFF Turn OFF Delay VSBY St-By/Mute pin for St-By 0 1.5 V VMU St-By/Mute pin for Mute 3.5 5 V VOP St-By/Mute pin for Operating IMU St-By/Mute pin Current 5 VS V VSTBY/MUTE = 8.5V 7 20 40 A A VSTBY/MUTE < 1.5V 0 10 CDLK Clip Det High Leakage Current CD off 0 15 CDSAT Clip Det Sat. Voltage CD on; ICD = 1mA CDTHD Clip Det THD level 4/17 300 A mV D0 (IB1) = 1 5 10 15 % D0 (IB1) = 0 1 2 3 % TDA7562 ELECTRICAL CHARACTERISTICS (continued) (Refer to the test circuit, VS = 14.4V; RL = 4; f = 1KHz; Tamb = 25°C; unless otherwise specified.) Symbol Parameter Test Condition Min. Typ. Max. Unit 1.2 V DIAGNOSTICS (Power Amplifier Mode or Line Driver Mode) Pgnd Short to GND det. (below this limit, the Output is considered in Short Circuit to GND) Pvs Short to VS det. (above this limit, the Output is considered in Short Circuit to VS) Vs -1.2 Pnop Normal operation thresholds. (Within these limits, the Output is considered without faults). 1.8 Lsc VO Shorted Load det. Offset Detection Power Amplifier in Mute or Play, one or more short circuits protection activated V Vs -1.8 V Power Amplifier Mode 0.5  Line Driver Mode 1.5  ±2.5 V ±1.5 ±2 2 I C BUS INTERFACE fSCL Clock Frequency VIL Input Low Voltage VIH Input High Voltage 400 KHz 1.5 2.3 V V 5/17 TDA7562 Figure 2. Quiescent Current vs. Supply Voltage Figure 5. Distortion vs. Output Power (4) THD (%) Id (mA) 10 250 230 Vs = 14.4 V RL = 4 Ohm Vin = 0 NO LOADS 210 190 1 170 f = 10 KHz 150 130 0.1 110 f = 1 KHz 90 70 50 8 10 121 Vs (V) 41 6 18 0.01 0.1 1 10 Po (W) Figure 3. Output Power vs. Supply Voltage (4) Figure 6. Distortion vs. Output Power (2) THD (%) Po (W) 10 70 65 60 Po-max RL = 4 Ohm f = 1 KHz 55 Vs = 14.4 V RL = 2 Ohm 50 1 THD = 10 % 45 f = 10 KHz 40 35 30 f = 1 KHz 0.1 25 THD = 1 % 20 15 10 5 8 9 10 11 12 13 Vs (V) 14 15 16 17 18 0.01 0.1 1 10 Po (W) Figure 4. Output Power vs. Supply Voltage (2) Figure 7. Distortion vs. Output Power (4) Po (W) THD (%) 80 75 70 65 60 55 50 45 40 35 30 25 20 15 10 5 10 Po-max RL = 2 Ohm f = 1 KHz Vs = 14.4 V RL = 4 Ohm Po = 4 W 1 THD = 10 % 0.1 THD = 1 % 8 6/17 9 10 11 12 Vs (V) 13 14 15 16 0.01 10 100 f (Hz) 1000 10000 TDA7562 Figure 8. Distortion vs. Frequency (2) Figure 11. Power Dissipation & Efficiency vs. Output Power (4, STD, SINE) THD (%) n (%) Ptot (W) 10 90 90 Vs = 14.4 V RL = 4 x 4 Ohm f = 1 KHz SINE 80 70 Vs = 14.4 V RL = 2 Ohm Po = 8 W 1 80 n 70 60 60 50 50 Ptot 0.1 0.01 10 100 1000 10000 f (Hz) 40 40 30 30 20 20 10 10 0 0 2 4 6 8 10 12 14 Po (W) 16 18 20 22 24 0 26 Figure 12. Power Dissipation vs. Average Ouput Power (Audio Program Simulation, 4) Figure 9. Crosstalk vs. Frequency CROSSTALK (dB) 90 Ptot (W) 45 80 40 70 Vs = 14 V RL = 4 x 4 Ohm GAUSSIAN NOISE 35 60 RL = 4 Ohm Po = 4 W Rg = 600 Ohm 50 CLIP START 30 25 40 20 30 15 20 10 100 1000 10000 10 f (Hz) 5 0 1 3 2 4 5 Po (W) Figure 10. Supply Voltage Rejection vs. Freq. SVR (dB) 90 Figure 13. Power Dissipation vs. Average Ouput Power (Audio Program Simulation, 2) Ptot (W) 90 80 80 70 Vs = 14 V RL = 4 x 2 Ohm GAUSSIAN NOISE 70 60 50 40 CLIP START 60 50 Rg = 600 Ohm Vripple= 1 Vpk 40 30 30 20 20 10 100 1000 10000 10 f (Hz) 0 0 1 2 3 4 Po (W) 5 6 7 8 7/17 TDA7562 DIAGNOSTICS FUNCTIONAL DESCRIPTION: Detectable conventional faults are: – SHORT TO GND – SHORT TO Vs – SHORT ACROSS THE SPEAKER The following additional features are provided: – OUTPUT OFFSET DETECTION The TDA7562 has 2 operating statuses: 1)) RESTART mode. The diagnostic is not enabled. Each audio channel operates independently from each other. If any of the a.m. faults occurs, only the channel(s) interested is shut down. A check of the output status is made every 1 ms (fig. 14). Restart takes place when the overload is removed. 2)) DIAGNOSTIC mode. It is enabled via I2C bus and self activates if an output overload (such to cause the intervention of the short-circuit protection) occurs to the speakers outputs . Once activated, the diagnostics procedure develops as follows (fig. 15): – To avoid momentary re-circulation spikes from giving erroneous diagnostics, a check of the output status is made after 1ms: if normal situation (no overloads) is detected, the diagnostic is not performed and the channel returns back active. – Instead, if an overload is detected during the check after 1 ms, then a diagnostic cycle having a duration of about 100 ms is started. – After a diagnostic cycle, the audio channel interested by the fault is switched to RESTART mode. The relevant data are stored inside the device and can be read by the microprocessor. When one cycle has terminated, the next one is activated by an I2C reading. This is to ensure continuous diagnostics throughout the car-radio operating time. – To check the status of the device a sampling system is needed. The timing is chosen at microprocessor level (over half a second is recommended). Figure 14. Restart timing without Diagnostic Enable (Each 1mS time, a sampling of the fault is done) Out 1-2mS 1mS 1mS 1mS 1mS t Overcurrent and short circuit protection intervention (i.e. short circuit to GND) Short circuit removed Figure 15. Restart timing with Diagnostic Enable 1mS 100mS 1mS 1mS t Overcurrent and short Short circuit removed (i.e. short circuit to GND) 8/17 TDA7562 As for SHORT TO GND / Vs the fault-detection thresholds remain unchanged from 30 dB to 16 dB gain setting. They are as follows: S.C. to GND 0V x 1.2V Normal Operation 1.8V VS-1.8V x S.C. to Vs VS-1.2V D01AU1253 VS Concerning SHORT ACROSS THE SPEAKER , the threshold varies from 30 dB to 16 dB gain setting, since different loads are expected (either normal speaker's impedance or high impedance). The values in case of 30 dB gain are as follows: S.C. across Load 0V x 0.5Ω Normal Operation 1.5Ω Infinite D01AU1254mod If the Line-Driver mode (Gv= 16 dB and Line Driver Mode diagnostic = 1) is selected, the same thresholds will change as follows: S.C. across Load 0Ω 1.5Ω x Normal Operation 4.5Ω infinite D01AU1252mod OUTPUT DC OFFSET DETECTION Any DC output offset exceeding ± 2V are signalled out. This inconvenient might occur as a consequence of initially defective or aged and worn-out input capacitors feeding a DC component to the inputs, so putting the speakers at risk of overheating. This diagnostic has to be performed with low-level output AC signal (or Vin = 0). The test is run with selectable time duration by microprocessor (from a "start" to a "stop" command): – START = Last reading operation or setting IB1 - D5 - (OFFSET enable) to 1 – STOP = Actual reading operation Excess offset is signalled out if persistent throughout the assigned testing time. This feature is disabled if any overloads leading to activation of the short-circuit protection occurs in the process. MULTIPLE FAULTS When more misconnections are simultaneously in place at the audio outputs, it is guaranteed that at least one of them is initially read out. The others are notified after successive cycles of I2C reading and faults removal, provided that the diagnostic is enabled. The table below shows all the couples of double-fault possible. It should be taken into account that a short circuit 9/17 TDA7562 with the 4 ohm speaker unconnected is considered as double fault. Double fault table for Turn On Diagnostic S. GND (so) S. GND (sk) S. Vs S. Across L. S. GND (so) S. GND S. GND S. Vs + S. GND S. GND S. GND (sk) / S. GND S. Vs S. GND S. Vs / / S. Vs S. Vs S. Across L. / / / S. Across L. S. GND (so) / S. GND (sk) in the above table make a distinction according to which of the 2 outputs is shorted to ground (test-current source side= so, test-current sink side = sk). More precisely, so = CH+, sk = CH-. FAULTS AVAILABILITY All the results coming from I2Cbus, by read operations, are the consequence of measurements inside a defined period of time. If the fault is stable throughout the whole period, it will be sent out. To guarantee always resident functions, every kind of diagnostic cycles will be reactivate after any I2C reading operation. So, when the micro reads the I2C, a new cycle will be able to start, but the read data will come from the previous diag. cycle (i.e. The device is in turned On, with a short to Gnd, then the short is removed and micro reads I2C. The short to Gnd is still present in bytes, because it is the result of the previous cycle. If another I2C reading operation occurs, the bytes do not show the short). In general to observe a change in Diagnostic bytes, two I2C reading operations are necessary. I2C PROGRAMMING/READING SEQUENCES A correct turn on/off sequence respectful of the diagnostic timings and producing no audible noises could be as follows (after battery connection): TURN-ON: PIN2 > 7V --- 10ms --- (STAND-BY OUT + DIAG ENABLE) --- 500 ms (min) --- MUTING OUT TURN-OFF: MUTING IN --- 20 ms --- (DIAG DISABLE + STAND-BY IN) --- 10ms --- PIN2 = 0 Car Radio Installation: PIN2 > 7V --- 10ms DIAG ENABLE (write) --- 200 ms --- I2C read (repeat until All faults disappear). OFFSET TEST: Device in Play (no signal) -- OFFSET ENABLE - 30ms - I2C reading (repeat I2C reading until high-offset message disappears). FAST MUTING The muting time can be shortened to less than 1ms by setting (IB2) D5 = 1. This option can be useful in transient battery situations (i.e. during car engine cranking) to quickly turnoff the amplifier for avoiding any audible effects caused by noise/transients being injected by preamp stages. 10/17 TDA7562 I2C BUS INTERFACE Data transmission from microprocessor to the TDA7562 and viceversa takes place through the 2 wires I2C BUS interface, consisting of the two lines SDA and SCL (pull-up resistors to positive supply voltage must be connected). Data Validity As shown by fig. 16, the data on the SDA line must be stable during the high period of the clock. The HIGH and LOW state of the data line can only change when the clock signal on the SCL line is LOW. Start and Stop Conditions As shown by fig. 17 a start condition is a HIGH to LOW transition of the SDA line while SCL is HIGH. The stop condition is a LOW to HIGH transition of the SDA line while SCL is HIGH. Byte Format Every byte transferred to the SDA line must contain 8 bits. Each byte must be followed by an acknowledge bit. The MSB is transferred first. Acknowledge The transmitter* puts a resistive HIGH level on the SDA line during the acknowledge clock pulse (see fig. 18). The receiver** the acknowledges has to pull-down (LOW) the SDA line during the acknowledge clock pulse, so that the SDAline is stable LOW during this clock pulse. * Transmitter – master (P) when it writes an address to the TDA7562 – slave (TDA7562) when the P reads a data byte from TDA7562 ** Receiver – slave (TDA7562) when the P writes an address to the TDA7562 – master (P) when it reads a data byte from TDA7562 Figure 16. Data Validity on the I2CBUS SDA SCL DATA LINE STABLE, DATA VALID CHANGE DATA ALLOWED D99AU1031 Figure 17. Timing Diagram on the I2CBUS SCL I2CBUS SDA D99AU1032 START STOP Figure 18. Acknowledge on the I2CBUS SCL 1 2 3 7 8 9 SDA MSB START D99AU1033 ACKNOWLEDGMENT FROM RECEIVER 11/17 TDA7562 SOFTWARE SPECIFICATIONS All the functions of the TDA7562 are activated by I2C interface. The bit 0 of the "ADDRESS BYTE" defines if the next bytes are write instruction (from P to TDA7562) or read instruction (from TDA7562 to P). Chip Address: D7 D0 1 1 0 1 1 X = 0 Write to device X = 1 Read from device If R/W = 0, the P sends 2 "Instruction Bytes": IB1 and IB2. IB1 D7 X D6 Diagnostic enable (D6 = 1) Diagnostic defeat (D6 = 0) D5 Offset Detection enable (D5 = 1) Offset Detection defeat (D5 = 0) D4 Front Channel Gain = 30dB (D4 = 0) Gain = 16dB (D4 = 1) D3 Rear Channel Gain = 30dB (D3 = 0) Gain = 16dB (D3 = 1) D2 Mute front channels (D2 = 0) Unmute front channels (D2 = 1) D1 Mute rear channels (D1 = 0) Unmute rear channels (D1 = 1) D0 CD 2% (D0 = 0) CD 10% (D0 = 1) D7 X D6 used for testing D5 Normal muting time (D5 = 0) Fast muting time (D5 = 1) D4 Stand-by on - Amplifier not working - (D4 = 0) Stand-by off - Amplifier working - (D4 = 1) D3 Power amplifier mode diagnostic (D3 = 0) Line driver mode diagnostic (D3 = 1) D2 X D1 X D0 X IB2 12/17 0 0 X D8 Hex TDA7562 If R/W = 1, the TDA7562 sends 4 "Diagnostics Bytes" to P: DB1, DB2, DB3 and DB4. DB1 D7 Thermal warning active (D7 = 1) D6 Diag. cycle not activated or not terminated (D6 = 0) Diag. cycle terminated (D6 = 1) D5 X D4 X D3 Channel LF Normal load (D3 = 0) Short load (D3 = 1) D2 Channel LF No output offset (D2 = 0) Output offset detection (D2 = 1) D1 Channel LF No short to Vcc (D1 = 0) Short to Vcc (D1 = 1) D0 Channel LF No short to GND (D1 = 0) Short to GND (D1 = 1) D7 Offset detection not activated (D7 = 0) Offset detection activated (D7 = 1) D6 X D5 X D4 X D3 Channel LR Normal load (D3 = 0) Short load (D3 = 1) D2 Channel LR No output offset (D2 = 0) Output offset detection (D2 = 1) D1 Channel LR No short to Vcc (D1 = 0) Short to Vcc (D1 = 1) D0 Channel LR No short to GND (D1 = 0) Short to GND (D1 = 1) DB2 13/17 TDA7562 B3 D7 Stand-by status (= IB1 - D4) D6 Diagnostic status (= IB1 - D6) D5 X D4 Channel RF Turn-on diagnostic (D4 = 0) X D3 Channel RF Normal load (D3 = 0) Short load (D3 = 1) D2 Channel RF No output offset (D2 = 0) Output offset detection (D2 = 1) D1 Channel RF No short to Vcc (D1 = 0) Short to Vcc (D1 = 1) D0 Channel RF No short to GND (D1 = 0) Short to GND (D1 = 1) D7 X D6 X D5 X D4 X D3 Channel RR RNormal load (D3 = 0) Short load (D3 = 1) D2 Channel RR No output offset (D2 = 0) Output offset detection (D2 = 1) D1 Channel RR No short to Vcc (D1 = 0) Short to Vcc (D1 = 1) D0 Channel RR No short to GND (D1 = 0) Short to GND (D1 = 1) DB4 14/17 TDA7562 Examples of bytes sequence 1 - Turn-On of the power amplifier with 30dB gain, mute on, diagnostic defeat, CD = 2%. Start Address byte with D0 = 0 ACK IB1 ACK X0000000 IB2 ACK STOP ACK STOP ACK STOP XXX1XX11 2 - Turn-Off of the power amplifier Start Address byte with D0 = 0 ACK IB1 ACK X0XXXXXX IB2 XXX0XXXX 3 - Offset detection procedure enable Start Address byte with D0 = 0 ACK IB1 ACK XX1XX11X IB2 XXX1XXXX 4 - Offset detection procedure stop and reading operation (the results are valid only for the offset detection bits (D2 of the bytes DB1, DB2, DB3, DB4). Start ■ ■ Address byte with D0 = 1 ACK DB1 ACK DB2 ACK DB3 ACK DB4 ACK STOP The purpose of this test is to check if a D.C. offset (2V typ.) is present on the outputs, produced by input capacitor with anomalous leackage current or humidity between pins. The delay from 4 to 5 can be selected by software, starting from T.B.D. ms 15/17 TDA7562 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 L3 R L L1 V1 V2 R2 D R1 L5 Pin 1 R1 R1 E G G1 F FLEX27ME M M1 7139011 AG00601v1 16/17 TDA7562 Please Read Carefully: Information in this document is provided solely in connection with ST products. STMicroelectronics NV and its subsidiaries (“ST”) reserve the right to make changes, corrections, modifications or improvements, to this document, and the products and services described herein at any time, without notice. All ST products are sold pursuant to ST’s terms and conditions of sale. Purchasers are solely responsible for the choice, selection and use of the ST products and services described herein, and ST assumes no liability whatsoever relating to the choice, selection or use of the ST products and services described herein. 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