Instruction d'utilisation Philips TDA7050T

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INTEGRATED CIRCUITS
DATA SHEET
TDA7050T
Low voltage mono/stereo power
amplifier
July 1994
Product specification
File under Integrated Circuits, IC01

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Philips Semiconductors Product specification Low voltage mono/stereo power amplifier TDA7050T GENERAL DESCRIPTION The TDA7050T is a low voltage audio amplifier for small radios with headphones (such as watch, pen and pocket radios) in mono (bridge-tied load) or stereo applications. Features • Limited to battery supply application only (typ. 3 and 4 V) • Operates with supply voltage down to 1,6 V • No external components required • Very low quiescent current • Fixed integrated gain of 26 dB, floati

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Philips Semiconductors Product specification Low voltage mono/stereo power amplifier TDA7050T RATINGS Limiting values in accordance with the Absolute Maximum System (IEC 134) Supply voltage V max. 6 V P Peak output current I max. 150 mA OM Total power dissipation see derating curve Fig.1 Storage temperature range T - 55 to + 150 °C stg Crystal temperature T max. 100 °C c A.C. and d.c. short-circuit duration at V = 3,0 V (during mishandling) t max. 5 s P sc MLB950 600 handbook, halfpage P tot (mW)

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Philips Semiconductors Product specification Low voltage mono/stereo power amplifier TDA7050T CHARACTERISTICS V = 3 V; f = 1 kHz; R = 32 Ω; T = 25 °C; unless otherwise specified P L amb PARAMETER SYMBOL MIN. TYP. MAX. UNIT Supply Supply voltage V 1,6 - 6,0 V P Total quiescent current I - 3,2 4 mA tot Bridge-tied load application (BTL); see Fig.4 * Output power V = 3,0 V; d = 10% P - 140 - mW P tot o V = 4,5 V; d = 10% (R = 64 Ω)P- 150 - mW P tot L o Voltage gain G - 32 - dB v Noise output voltage

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Philips Semiconductors Product specification Low voltage mono/stereo power amplifier TDA7050T Fig.2 Output power across the load impedance (R ) as a function of supply voltage (V ) in BTL application. L P Measurements were made at f = 1 kHz; d = 10%; T = 25 °C. tot amb Fig.3 Output power across the load impedance (R ) as a function of supply voltage (V ) in stereo application. L P Measurements were made at f = 1 kHz; d = 10%; T = 25 °C. tot amb July 1994 5

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Philips Semiconductors Product specification Low voltage mono/stereo power amplifier TDA7050T APPLICATION INFORMATION Fig.4 Application diagram (BTL); also used as test circuit. Fig.5 Application diagram (stereo); also used as test circuit. July 1994 6

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Philips Semiconductors Product specification Low voltage mono/stereo power amplifier TDA7050T PACKAGE OUTLINE SO8: plastic small outline package; 8 leads; body width 3.9 mm SOT96-1 D E A X c y H v M E A Z 8 5 Q A 2 A (A ) 3 A 1 pin 1 index θ L p L 1 4 e w M detail X b p 0 2.5 5 mm scale DIMENSIONS (inch dimensions are derived from the original mm dimensions) A (1) (1) (2) UNIT A A A b cD E eH LLQZvwyθ 1 2 3 p E p max. 0.25 1.45 0.49 0.25 5.0 4.0 6.2 1.0 0.7 0.7 mm 1.75 0.25 1.27 1.05 0.25 0.25 0.

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Philips Semiconductors Product specification Low voltage mono/stereo power amplifier TDA7050T SOLDERING During placement and before soldering, the package must be fixed with a droplet of adhesive. The adhesive can be Introduction applied by screen printing, pin transfer or syringe dispensing. The package can be soldered after the There is no soldering method that is ideal for all IC adhesive is cured. packages. Wave soldering is often preferred when through-hole and surface mounted components are

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Philips Semiconductors Product specification Low voltage mono/stereo power amplifier TDA7050T DEFINITIONS 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 Sy