Philips TDA1521A Datasheet Download Page 10 | Manualshive

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July 1994

10

Philips Semiconductors

Product specification

2 x 6 W hi-fi audio power amplifier

TDA1521A

Fig.6 Supply voltage ripple rejection; symmetrical supply, V

P

=

±

12 V; V

RR

= 200 mV.

Fig.7 Power dissipation as a function of output power; asymmetrical supply; V

S

= 24 V; R

L

= 8

Ω

; f = 1 kHz.

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Summary of Contents for TDA1521A

Page 1: ...DATA SHEET Product specification File under Integrated Circuits IC01 July 1994 INTEGRATED CIRCUITS TDA1521A 2 x 6 W hi fi audio power amplifier ...

Page 2: ... and off no switch on or switch off clicks Low offset voltage between output and ground Excellent gain balance between channels Hi fi according to IEC 268 and DIN 45500 Short circuit proof Thermally protected QUICK REFERENCE DATA PACKAGE OUTLINE TDA1521A 9 lead single in line plastic power SOT 110B SOT110 1 1996 July 22 Stereo applications Supply voltage range VP 7 5 to 21 0 V Output power at THD ...

Page 3: ...July 1994 3 Philips Semiconductors Product specification 2 x 6 W hi fi audio power amplifier TDA1521A Fig 1 Block diagram ...

Page 4: ... circuits are provided one monitors the average junction temperature and the other the instantaneous temperature of the power transistors Both protection circuits activate at 150 C allowing safe operation to a maximum junction temperature of 150 C without added distortion RATINGS Limiting values in accordance with the Absolute Maximum System IEC 134 Note 1 For asymmetrical power supplies at short ...

Page 5: ...e of heatsink thermal resistance is calculated as follows given RL 8 Ω and VP 12 V the measured maximum dissipation is 7 8 W then for a maximum ambient temperature of 60 C the required thermal resistance of the heatsink is Note The metal tab heatsink has the same potential as pin 5 VP From junction to case Rth j c 6 K W Fig 2 Power derating curve Rth h a 150 60 7 8 6 5 5 K W ...

Page 6: ...th THD 0 5 note 1 B 20 to 16 k Hz Voltage gain Gv 29 30 31 dB Gain balance Gv 0 2 1 0 dB Noise output voltage r m s value unweighted 20 Hz to 20 kHz RS 2 kΩ Vno rms 70 140 µV Input impedance Zi 14 20 26 kΩ Ripple rejection note 2 SVRR 40 60 dB Channel separation RS 0 Ω α 46 70 dB Input bias current Iib 0 3 µA DC output offset with respect voltage to ground VOFF 30 200 mV Input mute mode symmetrica...

Page 7: ...pply test circuit as per Fig 12 VP 24 V RL 8 Ω Tamb 25 C f 1 kHz Total quiescent current Itot 18 40 70 mA Output power THD 0 5 Po 5 6 W THD 10 Po 6 5 8 W Total harmonic distortion Po 4 W THD 0 13 0 2 Power bandwidth THD 0 5 40 to note 1 B 16 k Hz Voltage gain Gv 29 30 31 dB Gain balance Gv 0 2 1 0 dB Noise output voltage r m s value unweighted 20 Hz to 20 kHz RS 2 kΩ Vno rms 70 140 µV Input impeda...

Page 8: ...ally fixed reference voltage Vref derived directly from the supply voltage When the voltage at pin 3 is lower than Vref the non inverting inputs pins 1 and 9 are disconnected from the amplifier The voltage at pin 3 is determined by an internal voltage divider and the external 100 µF capacitor During switching on a time delay is created between the reference voltage and the voltage at pin 3 during ...

Page 9: ...Product specification 2 x 6 W hi fi audio power amplifier TDA1521A Fig 4 Output power as a function of supply voltage symmetrical supply RL 8 Ω f 1 kHz Fig 5 Distortion as a function of frequency symmetrical supply VP 12 V RL 8 Ω Po 3 W ...

Page 10: ...roduct specification 2 x 6 W hi fi audio power amplifier TDA1521A Fig 6 Supply voltage ripple rejection symmetrical supply VP 12 V VRR 200 mV Fig 7 Power dissipation as a function of output power asymmetrical supply VS 24 V RL 8 Ω f 1 kHz ...

Page 11: ...Product specification 2 x 6 W hi fi audio power amplifier TDA1521A Fig 8 Output power as a function of supply voltage asymmetrical supply RL 8 Ω f 1 kHz Fig 9 Distortion as a function of frequency asymmetrical supply VS 24 V RL 8 Ω Po 3 W ...

Page 12: ...July 1994 12 Philips Semiconductors Product specification 2 x 6 W hi fi audio power amplifier TDA1521A Fig 10 Supply voltage ripple rejection asymmetrical supply VS 24 V VRR 200 mW ...

Page 13: ...6 W hi fi audio power amplifier TDA1521A Fig 11 Test and application circuit symmetrical power supply 1 To be connected as close as possible to the I C Fig 12 Test and application circuit asymmetrical power supply 1 To be connected as close as possible to the I C ...

Page 14: ... 8 15 4 1 40 1 14 0 67 0 50 1 40 1 14 0 48 0 38 21 8 21 4 21 4 20 7 6 48 6 20 3 4 3 2 2 54 1 0 5 9 5 7 4 4 4 2 3 9 3 4 15 1 14 9 Q 1 75 1 55 DIMENSIONS mm are the original dimensions Note 1 Plastic or metal protrusions of 0 25 mm maximum per side are not included 2 75 2 50 SOT110 1 92 11 17 95 02 25 0 5 10 mm scale 0 25 w D E A A c A2 3 A4 q 1 q 2 L Q w M b b1 b2 D1 P q 1 Z e 1 9 P seating plane p...

Page 15: ...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 DEFINITIONS LIFE SUPPORT APPLICATIONS These products are not designed for use in life support appliances devices or systems where malfunction of these produ...

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