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DATA  SHEET

Product specificiation
File under Integrated Circuits, IC01

July 1994

INTEGRATED CIRCUITS

TDA7056A
3 W BTL mono audio output
amplifier with DC volume control

Содержание TDA7056A

Страница 1: ...DATA SHEET Product specificiation File under Integrated Circuits IC01 July 1994 INTEGRATED CIRCUITS TDA7056A 3 W BTL mono audio output amplifier with DC volume control ...

Страница 2: ...and radios Missing Current Limiter MCL A MCL protection circuits is built in The MCL 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 Note 1 SOT110 1 1996 August 21 SYMBOL PARAMETER CONDITIONS MIN TYP MAX UNIT V...

Страница 3: ...N 4 signal ground DC volume control 1 n c positive output negative output power ground V ref STABILIZER 9 n c PINNING SYMBOL PIN DESCRIPTION n c 1 not connected VP 2 positive supply voltage VI 3 voltage input GND1 4 signal ground VC 5 DC volume control OUT 6 positive output GND2 7 power ground OUT 8 negative output n c 9 not connected Fig 2 Pin configuration handbook halfpage MGA071 1 2 3 4 5 6 7 ...

Страница 4: ...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 amplifier is short circuit proof to ground VP and across the load A thermal protection circuit is also implemented If the crystal temperature rises ab...

Страница 5: ...S value 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 12 V RL note 1 8 16 mA Maximum gain V5 1 4 V PO output power THD 10 RL 16 Ω 3 3 5 W THD 10 RL 8 Ω 5 2 W THD total harmonic distortion PO 0 5 W 0 3 1 Gv voltage gain 34 5 35 5 36 5 dB VI input signal handling V5 0 8 V THD 1 0 5 0 65 V Vno r...

Страница 6: ...ol handbook halfpage MGA075 40 80 20 20 40 0 0 1 2 2 0 0 4 1 6 0 8 V V 5 gain dB 60 Fig 4 Noise output voltage as a function of DC volume control handbook halfpage 1000 0 800 400 200 600 0 1 2 2 0 MGA076 1 0 4 1 6 0 8 V V 5 Vnoise µV Fig 5 Control current as a function of DC volume control handbook halfpage 0 1 2 2 0 100 20 MGA077 1 60 20 60 100 0 4 1 6 0 8 V V 5 I5 µA ...

Страница 7: ...or can be omitted if the 220 µF electrolytic capacitor is connected close to pin 2 handbook full pagewidth positive input 5 kΩ 0 47 µF R S 7 MGA073 1 100 nF 220 µF 2 3 TDA7056A R 16 Ω L VP 1 5 6 I i 8 I i V ref STABILIZER TEMPERATURE PROTECTION 4 ground DC volume control 1 n c 9 n c Fig 7 Application using a potentiometer for volume control Gv 30 dB handbook halfpage 5 100 kΩ volume control MGA074...

Страница 8: ...7 8 0 A4 15 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 seat...

Страница 9: ...he 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 DEFINITIONS LIFE SUPPORT APPLICATIONS These products are not designed for use in life support appliances devices or systems where malfunction of ...

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