INTEGRATED CIRCUITS DATA SHEET TDA1556Q 2 x 22 W stereo BTL differential amplifier with speaker protection and dynamic distortion detector Product specification File under Integrated Circuits, IC01 July 1994
Philips Semiconductors Product specification 2 x 22 W stereo BTL differential amplifier with speaker protection and TDA1556Q FEATURES • Thermally protected • Few peripheral components • Reverse polarity safe • High output power • High energy handling capability at the outputs (VP = 0 V) • Low output offset voltage • Electrostatic discharge protection • Fixed gain • No switch-on/switch-off plop • Loudspeaker protection (with diagnostic facility) • Flexible leads • Differential inputs • Low t
Philips Semiconductors Product specification 2 x 22 W stereo BTL differential amplifier with speaker protection and dynamic TDA1556Q VP handbook, full pagewidth input 1A input 1B 5 1 13 mute switch 2 6 VA output 1A mute switch 8 VA DDD 4 14 stand-by switch LSP output 1B VA 15 mute/stand-by stand-by reference voltage mute switch x1 n.c. input 2A input 2B TDA1556Q 9 16 mute switch 17 10 VA output 2A mute switch 12 VA n.c. 3 11 7 MLA383-2 powerground Fig.
Philips Semiconductors Product specification 2 x 22 W stereo BTL differential amplifier with speaker protection and dynamic TDA1556Q PINNING SYMBOL PIN DESCRIPTION IN1A 1 input signal 1A IN1B 2 input signal 1B n.c. 3 not connected DDD 4 dynamic distortion detector Vp1 5 OUT1A handbook, halfpage IN 1A 1 IN 1B 2 n.c. 3 positive supply voltage 1 DDD 4 6 output signal 1A V P1 5 GND1 7 power ground 1 OUT 1A 6 OUT1B 8 output signal 1B n.c.
Philips Semiconductors Product specification 2 x 22 W stereo BTL differential amplifier with speaker protection and dynamic TDA1556Q FUNCTIONAL DESCRIPTION Loudspeaker protection The TDA1556Q contains two identical amplifiers each with a fixed gain of 26 dB and differential input stages. The device can be used for bridge-tied-load applications.
Philips Semiconductors Product specification 2 x 22 W stereo BTL differential amplifier with speaker protection and dynamic SYMBOL PARAMETER TDA1556Q CONDITIONS MIN. TYP. MAX. UNIT MUTE CONDITION Vmute mute voltage VO output signal in mute position Vos DC output offset voltage VI max = 1 V; f = 1 kHz 3.3 − 6.4 V − − 2 mV − − 100 mV 0 − 2 V STANDBY CONDITION Vsb stand-by voltage Isb DC standby current Isw switch-on current IPSC supply current V14 < 0.
Philips Semiconductors Product specification 2 x 22 W stereo BTL differential amplifier with speaker protection and dynamic TDA1556Q AC CHARACTERISTICS Vp = 14.4 V; RL = 4 Ω; f = 1 kHz; Tamb = 25 °C; unless otherwise specified SYMBOL PO PARAMETER output power CONDITION MIN. TYP. MAX. UNIT THD = 0.5% 15 17 − W THD = 10% 20 22 − W THD = 0.5%; VP = 13.2 V − 12 − W THD = 10%; VP = 13.2 V − 17 − W THD total harmonic distortion PO = 1 W − 0.1 − % B power bandwidth THD = 0.
Philips Semiconductors Product specification 2 x 22 W stereo BTL differential amplifier with speaker protection and dynamic TDA1556Q mute/stand-by DDD VP handbook, full pagewidth 4 1/2 R s 220 nF 14 5 100 nF 13 1 6 Z i1 audio source R load Z i2 1/2 R s 220 µF n.c. 8 2 9 Vref n.c. 1/2 R s 220 nF 3 15 4.7 µF TDA1556Q 16 10 Z i3 audio source R load Z i4 1/2 R s 220 µF 12 17 7 11 MLA380-2 Fig.4 Stereo BTL test diagram.
Philips Semiconductors Product specification 2 x 22 W stereo BTL differential amplifier with speaker protection and dynamic TDA1556Q PACKAGE OUTLINE DBS17P: plastic DIL-bent-SIL power package; 17 leads (lead length 12 mm) SOT243-1 non-concave Dh x D Eh view B: mounting base side d A2 B j E A L3 L Q c 1 17 e1 Z bp e e2 m w M 0 5 v M 10 mm scale DIMENSIONS (mm are the original dimensions) UNIT A A2 bp c D (1) d Dh E (1) e mm 17.0 15.5 4.6 4.2 0.75 0.60 0.48 0.
Philips Semiconductors Product specification 2 x 22 W stereo BTL differential amplifier with speaker protection and dynamic TDA1556Q The device may be mounted up to the seating plane, but the temperature of the plastic body must not exceed the specified maximum storage temperature (Tstg max). If the printed-circuit board has been pre-heated, forced cooling may be necessary immediately after soldering to keep the temperature within the permissible limit.
