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DATA SHEET

Product specification
File under Integrated circuits, IC01

July 1994

INTEGRATED CIRCUITS

TDA7052A/AT
1 W BTL mono audio amplifier with
DC volume control

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Содержание TDA7052A

Страница 1: ...DATA SHEET Product specification File under Integrated circuits IC01 July 1994 INTEGRATED CIRCUITS TDA7052A AT 1 W BTL mono audio amplifier with DC volume control ...

Страница 2: ...L circuit is activated when the difference in current between the output terminal of each amplifier exceeds 100 mA typical 300 mA This level of 100 mA allows for headphone applications single ended QUICK REFERENCE DATA ORDERING INFORMATION Notes 1 SOT97 1 1996 September 10 2 SOT96 1 1996 September 10 SYMBOL PARAMETERS CONDITIONS MIN TYP MAX UNIT VP positive supply voltage range 4 5 18 V PO output ...

Страница 3: ...gnal ground DC volume control 7 n c positive output negative output power ground V ref STABILIZER Fig 1 Block diagram PINNING SYMBOL PIN DESCRIPTION VP 1 positive supply voltage IN 2 positive input GND1 3 signal ground VC 4 DC volume control OUT 5 positive output GND2 6 power ground n c 7 not connected OUT 8 negative output handbook halfpage 1 2 3 4 8 7 6 5 MCD384 VP OUT GND2 OUT GND1 IN VC n c TD...

Страница 4: ...ge resulting in a reduction of output power at conventional output stages Using the BTL principle increases the output power The maximum gain of the amplifier is fixed at 35 5 dB The DC volume control stage has a logarithmic control characteristic The total gain can be controlled from 35 5 dB to 44 dB If the DC volume control voltage is below 0 3 V the device switches to the mute mode The amplifie...

Страница 5: ...o the thermal resistance TDA7052A VP 6 V RL 8 Ω The maximum sine wave dissipation is 0 9 W Therefore Tamb max 150 100 0 9 60 C TDA7052AT VP 6 V RL 16 Ω The maximum sine wave dissipation is 0 46 W Therefore Tamb max 150 155 0 46 78 C SYMBOL PARAMETER THERMAL RESISTANCE Rth j a from junction to ambient in free air TDA7052A 100 K W TDA7052AT 155 K W ...

Страница 6: ...is measured with RS 5 kΩ unweighted SYMBOL PARAMETER CONDITIONS MIN TYP MAX UNIT VP positive supply voltage range 4 5 18 V IP total quiescent current VP 6 V RL note 1 7 12 mA Maximum gain V4 1 4 V PO output power THD 10 TDA7052A 1 0 1 1 W TDA7052AT 0 5 0 55 W THD total harmonic distortion TDA7052A PO 0 5 W 0 3 1 TDA7052AT PO 0 25 W 0 3 1 Gv voltage gain 34 5 35 5 36 5 dB VI input signal handling V...

Страница 7: ...0 0 4 1 6 0 8 V V 4 gain dB 60 Fig 3 Gain control as a function of DC volume control handbook halfpage 1000 0 800 400 200 600 0 1 2 2 0 MCD389 1 0 4 1 6 0 8 V V 4 Vnoise µV Fig 4 Noise output voltage as a function of DC volume control handbook halfpage 0 1 2 2 0 100 20 MCD390 1 60 20 60 100 0 4 1 6 0 8 V V 4 I4 µA Fig 5 Control current as a function of DC volume control ...

Страница 8: ...220 µF 1 2 R 8 Ω L TDA7052A TDA7052AT R 16 Ω L V 6 V P 1 4 5 I i 8 I i V ref STABILIZER TEMPERATURE PROTECTION 3 ground TDA7052A TDA7052A AT DC volume control 7 n c Fig 6 Test and application diagram This capacitor can be omitted if the 220 µF electrolytic capacitor is connected close to pin 1 handbook halfpage MCD387 4 volume control 1 MΩ 1 µF Fig 7 Application with potentiometer as volume contro...

Страница 9: ...imensions A min A max b max w ME e1 1 73 1 14 0 53 0 38 0 36 0 23 9 8 9 2 6 48 6 20 3 60 3 05 0 254 2 54 7 62 8 25 7 80 10 0 8 3 1 15 4 2 0 51 3 2 inches 0 068 0 045 0 021 0 015 0 014 0 009 1 07 0 89 0 042 0 035 0 39 0 36 0 26 0 24 0 14 0 12 0 01 0 10 0 30 0 32 0 31 0 39 0 33 0 045 0 17 0 020 0 13 b2 050G01 MO 001AN MH c e 1 ME A L seating plane A1 w M b1 e D A2 Z 8 1 5 4 b E 0 5 10 mm scale Note ...

Страница 10: ...S inch dimensions are derived from the original mm dimensions Notes 1 Plastic or metal protrusions of 0 15 mm maximum per side are not included 2 Plastic or metal protrusions of 0 25 mm maximum per side are not included 1 0 0 4 SOT96 1 X w M θ A A1 A2 bp D HE Lp Q detail X E Z e c L v M A A 3 A 4 5 pin 1 index 1 8 y 076E03S MS 012AA 0 069 0 010 0 004 0 057 0 049 0 01 0 019 0 014 0 0100 0 0075 0 20...

Страница 11: ...r all SO packages 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 me...

Страница 12: ...t 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 per...

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