Philips TDA2614 User's Manual
Contents
1. Fig 1 Block diagram July 1994 3 Philips Semiconductors 6 W hi fi audio power amplifier PINNING SYMBOL PIN DESCRIPTION not connected MUTE ire freee ___ 1 2Vp GND 1 2 supply or ground at symmetrical power supplies et not connected GND Vp ground or negative supply rail at symmetrical power supplies eal SUPY voltage feng at non inverting input MCD367 1 Fig 2 Pin configuration July 1994 Product specification TDA2614 FUNCTIONAL DESCRIPTION The TDA2614 is a hi fi power amplifier designed for mains fed applications such as radio and TV The circuit is optimally designed for asymmetrical power supplies but is also well suited to symmetrical power supply systems An output power of 6 W THD 0 5 can be delivered into an 8 Q load with a supply of 24 V The gain is internally fixed at 30 dB thus offering a low gain spread A special feature is the input mute circuit This circuit disconnects the non inverting input when the supply voltage drops below 10 V while the amplifier still retains its DC operating adjustment The circuit features suppression of unwanted signals at the input during switch on and switch off The mute circuit can also be activated via pin 2 When a current at 300 uA is present at pin 2 the circuit is in the mute condition The device is provided with two thermal protection circuits One circuit measures the average temperature of2. asymmetrical power supply See Fig 5 6 Vp 12 V RL 8 Q Tamb 25 C f 1 KHz symmetrical power supply Imute lt 30 uA See Fig 4 7 The internal network at pin 2 is a resistor devider of typical 4 KQ and 5 KQ to the positive supply rail At the connection of the 4 kQ and 5 KQ resistor a zener diode of typical 6 6 V is also connected to the positive supply rail The spread of the zener voltage is 6 1 to 7 1 V July 1994 Philips Semiconductors Product specification 6 W hi fi audio power amplifier TDA2614 mute input 680 uF TDA2614 Vi MCD370 P 680 uF p 4 NE Fig 4 Test and application circuit with symmetrical power supply July 1994 Rs mute input e I Vg i 680 uF internal 1 2p E 100 HF TDA2614 Ce 20 ka 220 nF vi AH 22nF 680 uF MCD369 Fig 5 Test and application circuit with asymmetrical power supply Philips Semiconductors Product specification 6 W hi fi audio power amplifier TDA2614 PACKAGE OUTLINE SIL9MPF plastic single in line medium power package with fin 9 leads SOT110 1 Cc amp a D w D v DIMENSIONS mm are the original dimensions A2 max UNIT A A3 Aq b bi bo
3. 37 8 7 40 sa 8 0 14 1 1 Note 1 Plastic or metal protrusions of 0 25 mm maximum per side are not included OUTLINE REFERENCES EUROPEAN VERSION JEDEC EIAJ PROJECTION SOT110 1 E 95 02 25 ISSUE DATE July 1994 9 Philips Semiconductors 6 W hi fi audio power amplifier SOLDERING Introduction There is no soldering method that is ideal for all IC packages Wave soldering is often preferred when through hole and surface mounted components are mixed on one printed circuit board However wave soldering is not always suitable for surface mounted ICs or for printed circuits with high population densities In these situations reflow soldering is often used This text gives a very brief insight to a complex technology A more in depth account of soldering ICs can be found in our IC Package Databook order code 9398 652 90011 Soldering by dipping or by wave The maximum permissible temperature of the solder is 260 C solder at this temperature must not be in contact with the joint for more than 5 seconds The total contact time of successive solder waves must not exceed 5 seconds DEFINITIONS Data sheet status Objective specification Product specification TDA2614 The device may be mounted up to the seating plane but the temperature of the plastic body must not exceed the specified maximum stor
4. BOL PARAMETER RESISTANCE Rihj c from junction to case 8 K W MGA091 2 16 Prot W 12 infinite heatsink 25 0 50 100 150 o Tamb CC Fig 3 Power derating curve July 1994 5 Philips Semiconductors Product specification 6 W hi fi audio power amplifier TDA2614 CHARACTERISTICS SYMBOL PARAMETER CONDITIONS UNIT supe supply voltage range io jepat peak ouput gumeni ee ee Operating position note 1 supply voltage range 15 24 total quiescent current output power THD 0 5 THD 10 THD 0 5 RL 4 2 THD 10 RL 42 total harmonic distortion Po 4W power bandwidth THD 0 5 note 2 30 to 20 000 voltage gain a DC output offset voltage Vho noise output voltage note 3 IZil input impedance SVRR supply voltage ripple rejection note 4 Coca S Ibias input bias current MUTE POSITION AT Imute 300 uA output voltage mute input impedance total quiescent current noise output voltage supply voltage ripple rejection DC output offset voltage offset voltage with respect to operating position current if pin 2 is connected to pin 5 Mute position note 5 positive supply voltage range noise output voltage supply voltage ripple rejection DC output offset voltage July 1994 6 Philips Semiconductors 6 W hi fi audio power amplifier SYMBOL PARAMETER Product specification
5. INTEGRATED CIRCUITS DATA SHEET TDA2614 6 W hi fi audio power amplifier Product specification July 1994 File under Integrated Circuits IC01 Philips PHILIPS Semiconductors p fal l L Philips Semiconductors Product specification 6 W hi fi audio power amplifier TDA2614 FEATURES GENERAL DESCRIPTION e Requires very few external components The TDA2614 is a power amplifier in a 9 lead single in line e No switch on switch off clicks SIL9 plastic medium power package It has been especially designed for mains fed applications such as TV Input mute during switch on and switch off ahd r dio Low offset voltage between output and ground Hi fi in accordance with IEC 268 and DIN 45500 Short circuit proof and thermal protected Mute possibility QUICK REFERENCE DATA SYMBOL PARAMETER CONDITIONS MIN Vp positive supply voltage range 5 1 Po output power Vs 24 V THD 0 5 SVRR supply voltage ripple rejection Vho noise output voltage ORDERING INFORMATION EXTENDED TYPE PACKAGE NUMBER PIN POSITION MATERIAL CODE TDA2614 SIL plastic SOT110 1 1 SOT110 1 1996 August 21 Note July 1994 2 Philips Semiconductors Product specification 6 W hi fi audio power amplifier TDA2614 MUTE TDA2614 1 2 Vp GND THERMAL PROTECTION voltage comparator OUT INV INV n c n c MCD371 1
6. TDA2614 CONDITIONS Operating position note 6 supply voltage range total quiescent current output power total harmonic distortion THD 0 5 THD 10 Po 4W power bandwidth THD 0 5 note 2 voltage gain noise output voltage IZil SVRR input impedance supply voltage ripple rejection lbias IVanpl input bias current DC output offset voltage MUTE POSITION AT Imute 300 uA Vo output voltage V 600 mV a mute input impedance note 7 total quiescent current RL 10 20 noise output voltage note 3 70 SVAR supply voltage ripple rejection AVenpl DC output offset voltage AV ofl offset voltage with respect to operating position l2 current if pin 2 is connected to pin 5 Notes to the characteristics 1 Vp 24 V Ry 8 Q Tamb 25 C f 1 kHz asymmetrical power supply Imute lt 30 uA See Fig 5 The power bandwidth is measured at an output power of Po max 3 dB 2 3 The noise output voltage RMS value is measured at Rs 2 kQ unweighted 20 Hz to 20 kHz 4 The ripple rejection is measured at Rs 0 and f 100 Hz to 20 kHz at a ripple voltage of 200 mV With symmetrical power supplies the ripple 200 mV is applied in phase to the positive and the negative supply rails With asymmetrical power supplies the ripple rejection is measured at f 1 kHz 5 Vp 8V Ry 8 Q Tamo 25 C f 1 kHz
7. age temperature Tsig max If the printed circuit board has been pre heated forced cooling may be necessary immediately after soldering to keep the temperature within the permissible limit Repairing soldered joints Apply a low voltage soldering iron less than 24 V to the lead s of the package below the seating plane or not more than 2 mm above it If the temperature of the soldering iron bit is less than 300 C it may remain in contact for up to 10 seconds If the bit temperature is between 300 and 400 C contact may be up to 5 seconds This data sheet contains target or goal specifications for product development Preliminary specification Product specification This data sheet contains preliminary data supplementary data may be published later This data sheet contains final product specifications Limiting values Limiting values given are in accordance with the Absolute Maximum Rating System IEC 134 Stress above one or more of the limiting values may cause permanent damage to the device These are stress ratings only and operation of the device at these or at any other conditions above those given in the Characteristics sections of the specification is not implied Exposure to limiting values for extended periods may affect device reliability Application information Where application information is given it is advisory and does not form part of the specification LIFE SUPPORT APPLICATIONS T
8. hese products are not designed for use in life support appliances devices or systems where malfunction of these products can reasonably be expected to result in personal injury Philips customers using or selling these products for use in such applications do so at their own risk and agree to fully indemnify Philips for any damages resulting from such improper use or sale July 1994 10
9. the crystal and the other measure the momentary temperature of the power transistors These control circuits attack at temperatures in excess of 150 C so a crystal operating temperature of max 150 C can be used without extra distortion With the derating value of 8 K W the heatsink can be calculated as follows at RL 8Q and Vs 24 V dissipation is 4 1 W With a maximum ambient temperature of 60 C the thermal resistance of the heatsink is 150 60 gt _ aq 8 14 KW Rin Philips Semiconductors Product specification 6 W hi fi audio power amplifier TDA2614 LIMITING VALUES In accordance with the Absolute maximum System IEC 134 SYMBOL PARAMETER CONDITIONS MIN MAX UNIT Vp positive supply voltage 42 V losm non repetitive peak output current 4 A total power dissipation see Fig 3 storage temperature range crystal temperature ambient operating temperature range tec short circuit time short circuit to ground note 1 1 h Note to the limiting values 1 For asymmetrical power supplies with the load short circuited the maximum unloaded supply voltage is limited to Vp 28 V and with an internal supply resistance of Rg gt 4 Q the maximum unloaded supply voltage is limited to 32 V with the load short circuited For symmetrical power supplies the circuit is short circuit proof up to Vp 21 V THERMAL RESISTANCE THERMAL SYM
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