Philips TDA7050 user manual

Summary of the content on the page No. 1

INTEGRATED CIRCUITS
DATA SHEET
TDA7050
Low voltage mono/stereo power
amplifier
June 1989
Product specification
File under Integrated Circuits, IC01

Summary of the content on the page No. 2

Philips Semiconductors Product specification Low voltage mono/stereo power amplifier TDA7050 GENERAL DESCRIPTION The TDA7050 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, floating

Summary of the content on the page No. 3

Philips Semiconductors Product specification Low voltage mono/stereo power amplifier TDA7050 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 Fig.1 Power derating curve. THERMAL RESI

Summary of the content on the page No. 4

Philips Semiconductors Product specification Low voltage mono/stereo power amplifier TDA7050 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; note 1 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 vo

Summary of the content on the page No. 5

Philips Semiconductors Product specification Low voltage mono/stereo power amplifier TDA7050 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 June 1989 5

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Philips Semiconductors Product specification Low voltage mono/stereo power amplifier TDA7050 APPLICATION INFORMATION Fig.4 Application diagram (BTL); also used as test circuit. Fig.5 Application diagram (stereo); also used as test circuit. June 1989 6

Summary of the content on the page No. 7

Philips Semiconductors Product specification Low voltage mono/stereo power amplifier TDA7050 PACKAGE OUTLINE DIP8: plastic dual in-line package; 8 leads (300 mil) SOT97-1 D M E A 2 A A 1 L c w M Z b 1 e (e ) 1 M H b b 2 8 5 pin 1 index E 1 4 0 5 10 mm scale DIMENSIONS (inch dimensions are derived from the original mm dimensions) (1) A A A (1) (1) 12 Z UNIT b b b cD E e e L M M w 1 2 1 E H max. min. max. max. 1.73 0.53 0.36 9.8 6.48 3.60 8.25 10.0 1.07 mm 4.2 0.51 3.2 2.54 7.62 0.254 1.15 1.14 0

Summary of the content on the page No. 8

Philips Semiconductors Product specification Low voltage mono/stereo power amplifier TDA7050 SOLDERING The device may be mounted up to the seating plane, but the temperature of the plastic body must not exceed the Introduction specified maximum storage temperature (T ). If the stg max printed-circuit board has been pre-heated, forced cooling There is no soldering method that is ideal for all IC may be necessary immediately after soldering to keep the packages. Wave soldering is often preferred whe