Philips TDA8542 Скачать руководство пользователя страница 19 | Manualshive

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1998 Apr 01

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Philips Semiconductors

Product specification

2

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1 W BTL audio amplifier

TDA8542

DEFINITIONS

LIFE SUPPORT APPLICATIONS

These 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.

Data sheet status

Objective specification

This data sheet contains target or goal specifications for product development.

Preliminary specification

This data sheet contains preliminary data; supplementary data may be published later.

Product specification

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.

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Содержание TDA8542

Страница 1: ...DATA SHEET Product specification Supersedes data of 1997 Feb 19 File under Integrated Circuits IC01 1998 Apr 01 INTEGRATED CIRCUITS TDA8542 2 1 W BTL audio amplifier ...

Страница 2: ...a two channel audio power amplifier for an output power of 2 1 W with an 8 Ω load at a 5 V supply The circuit contains two BTL amplifiers with a complementary PNP NPN output stage and standby mute logic The TDA8542T comes in a 16 pin SO package and the TDA8542 in a 16 pin DIP package QUICK REFERENCE DATA ORDERING INFORMATION SYMBOL PARAMETER CONDITIONS MIN TYP MAX UNIT VCC supply voltage 2 2 5 18 ...

Страница 3: ...mplifier TDA8542 BLOCK DIAGRAM Fig 1 Block diagram handbook full pagewidth MGB975 STANDBY MUTE LOGIC R R 20 kΩ 20 kΩ INL INL VCCL OUTL OUTL STANDBY MUTE LOGIC R R 20 kΩ 20 kΩ INR INR VCCR SVR MODE OUTR OUTR BTL SE LGND RGND VCCL VCCR 16 9 15 2 10 7 1 8 14 13 11 12 4 3 5 TDA8542 ...

Страница 4: ...external feedback resistors Power amplifier The power amplifier is a Bridge Tied Load BTL amplifier with a complementary PNP NPN output stage The voltage loss on the positive supply line is the saturation voltage of a PNP power transistor on the negative side the saturation voltage of a NPN power transistor The total voltage loss is 1 V and with a 5 V supply voltage and an 8 Ω loudspeaker an outpu...

Страница 5: ...dered using the code 9397 750 00192 THERMAL CHARACTERISTICS SYMBOL PARAMETER CONDITIONS MIN MAX UNIT VCC supply voltage operating 0 3 18 V VI input voltage 0 3 VCC 0 3 V IORM repetitive peak output current 1 A Tstg storage temperature non operating 55 150 C Tamb operating ambient temperature 40 85 C Vpsc AC and DC short circuit safe voltage 10 V Ptot total power dissipation SO16L 1 2 W DIP16 2 2 W...

Страница 6: ...tput voltage with respect to ground is approximately 0 5 VCC SYMBOL PARAMETER CONDITIONS MIN TYP MAX UNIT VCC supply voltage operating 2 2 5 18 V Iq quiescent current RL note 1 15 22 mA Istb standby current VMODE VCC 10 µA VO DC output voltage note 2 2 2 V VOUT VOUT differential output voltage offset 50 mV IIN IIN input bias current 500 nA VMODE input voltage mode select operating 0 0 5 V mute 1 5...

Страница 7: ...S which is applied to the positive supply rail 4 Supply voltage ripple rejection is measured at the output with a source impedance of RS 0 Ω at the input The ripple voltage is a sine wave with a frequency between 100 Hz and 20 kHz and an amplitude of 100 mV RMS which is applied to the positive supply rail 5 Output voltage in mute position is measured with a 1 V RMS input voltage in a bandwidth of ...

Страница 8: ...tion Tamb 25 C if not specially mentioned VCC 7 5 V f 1 kHz RL 4 Ω Gv 20 dB audio band pass 22 Hz to 22 kHz The SE application diagram is illustrated in Fig 14 If the BTL SE pin pin 5 is connected to ground the positive outputs pins 2 and 7 will be in mute condition with a DC level of 1 2VCC When a headphone is used RL 25 Ω the SE headphone application can be used without output coupling capacitor...

Страница 9: ...DA8542 13 OUTR GND RL INR 11 INR SVR 12 4 3 5 MODE BTL SE 2 OUTR OUTR 10 RL 7 C3 47 µF 1 µF 1 µF R1 R2 R4 10 kΩ 10 kΩ 50 kΩ 50 kΩ R3 ViR Gain left 2 R2 R1 Gain right 2 R4 R3 Fig 4 Iq as a function of VCC RI handbook halfpage 0 Iq mA VCC V 20 30 10 0 4 20 8 12 16 MGD890 Fig 5 THD as a function of Po f 1 kHz Gv 20 dB 1 VCC 5 V RL 8 Ω 2 VCC 9 V RL 16 Ω handbook halfpage 10 1 THD 10 2 10 1 MGD891 10 2...

Страница 10: ... separation as a function of frequency VCC 5 V Vo 2 V RL 8 Ω 1 Gv 30 dB 2 Gv 20 dB 3 Gv 6 dB handbook halfpage 100 90 80 70 60 MGD893 10 102 103 104 105 f Hz αcs dB 1 2 3 Fig 8 SVRR as a function of frequency VCC 5 V Rs 0 Ω Vr 100 mV 1 Gv 30 dB 2 Gv 20 dB 3 Gv 6 dB handbook halfpage 80 60 40 20 MGD894 102 10 103 SVRR dB f Hz 104 105 1 2 3 Fig 9 Po as a function of VCC 1 THD 10 RL 8 Ω 2 THD 10 RL 1...

Страница 11: ...Pdis as a function of Po Sine wave of 1 kHz 1 VCC 9 V RL 16 Ω 2 VCC 5 V RL 8 Ω handbook halfpage 0 3 2 1 2 1 0 0 5 2 5 1 1 5 2 Po W MGD897 P W Fig 12 Vo as a function of Vms Band pass 22 Hz to 22 kHz 1 VCC 3 V 2 VCC 5 V 3 VCC 12 V handbook halfpage 1 10 10 2 10 1 10 3 10 4 10 6 10 5 MGD898 10 1 1 Vo V Vms V 10 102 1 2 3 Fig 13 Vms as a function of VP handbook halfpage 0 4 8 Vms V 16 16 12 4 0 8 12...

Страница 12: ...12 4 3 5 MODE BTL SE 2 OUTR OUTR 10 7 C3 47 µF 1 µF 1 µF R1 R2 R4 10 kΩ 10 kΩ 100 kΩ 100 kΩ R3 ViR Gain left R2 R1 Gain right R4 R3 Fig 15 THD as a function of Po handbook halfpage 10 1 Po W THD 10 1 10 2 MGD899 10 2 10 1 1 1 2 10 3 f 1 kHz Gv 20 dB 1 VCC 7 5 V RL 4 Ω 2 VCC 9 V RL 8 Ω 3 VCC 12 V RL 16 Ω Fig 16 THD as a function of frequency Po 0 5 W Gv 20 dB 1 VCC 7 5 V RL 4 Ω 2 VCC 9 V RL 8 Ω 3 V...

Страница 13: ...10 2 102 103 104 f Hz 105 4 5 1 3 αcs dB Fig 18 SVRR as a function of frequency VCC 7 5 V RL 4 Ω Rs 0 Ω Vr 100 mV 1 Gv 24 dB 2 Gv 20 dB 3 Gv 0 dB handbook halfpage 80 60 40 20 MGD902 10 102 103 SVRR dB f Hz 104 105 1 2 3 Fig 19 Po as a function of VCC THD 10 1 RL 4 Ω 2 RL 8 Ω 3 RL 16 Ω handbook halfpage 0 1 2 3 4 8 Po W VCC V 16 2 0 1 6 12 1 2 0 8 0 4 MGD903 Fig 20 Worst case power dissipation as ...

Страница 14: ...duct specification 2 1 W BTL audio amplifier TDA8542 Fig 21 Power dissipation as a function of Po Sine wave of 1 kHz 1 VCC 12 V RL 16 Ω 2 VCC 7 5 V RL 4 Ω 3 VCC 9 V RL 8 Ω handbook halfpage 0 1 2 3 2 4 1 6 0 8 0 0 4 0 8 1 6 1 2 P W Po W MGD905 ...

Страница 15: ...W BTL audio amplifier TDA8542 Fig 22 Printed circuit board layout BTL and SE handbook full pagewidth MBH921 OUT1 VCC OUT1 OUT2 OUT2 100 µF 1 µF 1 µF 47 µF 100 nF 1 16 8 9 GND MODE IN1 IN2 B S 12 kΩ P3 56 kΩ 11 kΩ 56 kΩ 11 kΩ 12 kΩ TDA8542 b Component side a Top view ...

Страница 16: ...o o 0 25 0 1 DIMENSIONS inch dimensions are derived from the original mm dimensions Note 1 Plastic or metal protrusions of 0 15 mm maximum per side are not included 1 1 0 4 SOT162 1 8 16 w M bp D detail X Z e 9 1 y 0 25 075E03 MS 013AA pin 1 index 0 10 0 012 0 004 0 096 0 089 0 019 0 014 0 013 0 009 0 41 0 40 0 30 0 29 0 050 1 4 0 055 0 419 0 394 0 043 0 039 0 035 0 016 0 01 0 25 0 01 0 004 0 043 ...

Страница 17: ...x b max w ME e1 1 40 1 14 0 055 0 045 0 53 0 38 0 32 0 23 21 8 21 4 0 86 0 84 6 48 6 20 0 26 0 24 3 9 3 4 0 15 0 13 0 254 2 54 7 62 0 30 8 25 7 80 0 32 0 31 9 5 8 3 0 37 0 33 2 2 0 087 4 7 0 51 3 7 0 15 0 021 0 015 0 013 0 009 0 01 0 10 0 020 0 19 050G09 MO 001AE MH c e 1 ME A L seating plane A1 w M b1 e D A2 Z 16 1 9 8 b E pin 1 index 0 5 10 mm scale Note 1 Plastic or metal protrusions of 0 25 mm...

Страница 18: ...ges Reflow soldering requires solder paste a suspension of fine solder particles flux and binding agent to be applied to the printed circuit board by screen printing stencilling or pressure syringe dispensing before package placement Several techniques exist for reflowing for example thermal conduction by heated belt Dwell times vary between 50 and 300 seconds depending on heating method Typical r...

Страница 19: ...ifications for product development Preliminary specification This data sheet contains preliminary data supplementary data may be published later Product specification 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 ...

Страница 20: ...States 811 East Arques Avenue SUNNYVALE CA 94088 3409 Tel 1 800 234 7381 Uruguay see South America Vietnam see Singapore Yugoslavia PHILIPS Trg N Pasica 5 v 11000 BEOGRAD Tel 381 11 625 344 Fax 381 11 635 777 For all other countries apply to Philips Semiconductors International Marketing Sales Communications Building BE p P O Box 218 5600 MD EINDHOVEN The Netherlands Fax 31 40 27 24825 Argentina s...

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