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TDA8920

NXP
Part Number TDA8920
Manufacturer NXP
Description 2 x 50 W class-D power amplifier
Published Apr 16, 2005
Detailed Description INTEGRATED CIRCUITS DATA SHEET TDA8920 2 × 50 W class-D power amplifier Preliminary specification File under Integrated...
Datasheet PDF File TDA8920 PDF File

TDA8920
TDA8920

Overview
INTEGRATED CIRCUITS DATA SHEET TDA8920 2 × 50 W class-D power amplifier Preliminary specification File under Integrated Circuits, IC01 1998 Dec 01 Philips Semiconductors Preliminary specification 2 × 50 W class-D power amplifier FEATURES • High efficiency (90%) • Operating voltage from ±15 V to ±30 V • Very low quiescent current • Low distortion • Fixed gain of 30 dB • High output power • Output power limiter • Good ripple rejection • Usable as a mono amplifier in Bridge-Tied Load (BTL) or as a stereo Single-Ended (SE) amplifier • Tracking possibility for oscillator frequency • Differential audio inputs • No switch-on or switch-off plops • Short-circuit proof across the load • Electrostatic discharge protection on all pins • Thermally protected.
QUICK REFERENCE DATA SYMBOL General VDD Iq(tot) η operating supply voltage total quiescent current efficiency Po = 10 W THD = 10% ±15 − 85 ±25 50 90 PARAMETER CONDITIONS MIN.
TYP.
GENERAL DESCRIPTION APPLICATIONS • Television sets • Home-sound systems • Multimedia systems.
TDA8920 The TDA8920 is a high efficiency class-D audio power amplifier.
It can be used in a mono Bridge-Tied Load (BTL) or in a stereo Single-Ended (SE) configuration.
The device operates over a wide supply voltage range from ±15 V up to ±30 V and consumes a very low quiescent current.
MAX.
±30 60 − − 31 − − − − − 37 − − − 50 UNIT V mA % Stereo single-ended configuration Po Gv(cl) Zi Vn(o) SVRR αcs Po Gv(cl) Zi Vn(o) SVRR ∆VO output power closed loop voltage gain input impedance noise output voltage supply voltage ripple rejection channel separation tbf 29 80 − 60 50 − 35 40 − 66 − 35 30 120 100 − tbf W dB kΩ µV dB dB Mono bridge-tied load configuration output power closed loop voltage gain input impedance noise output voltage supply voltage ripple rejection DC output offset voltage THD = 10% 130 36 60 140 − − W dB kΩ µV dB mV 1998 Dec 01 2 Philips Semiconductors Preliminary specification 2 × 50 W class-D power amplifier ORDERING INFORMATION...


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