power amplifier. TDA8920 Datasheet

TDA8920 amplifier. Datasheet pdf. Equivalent


Part TDA8920
Description 2 x 50 W class-D power amplifier
Feature INTEGRATED CIRCUITS DATA SHEET TDA8920 2 × 50 W class-D power amplifier Preliminary specification F.
Manufacture NXP
Datasheet
Download TDA8920 Datasheet

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TDA8920
INTEGRATED CIRCUITS
DATA SHEET
TDA8920
2 × 50 W class-D power amplifier
Preliminary specification
File under Integrated Circuits, IC01
1998 Dec 01



TDA8920
Philips Semiconductors
2 × 50 W class-D power amplifier
Preliminary specification
TDA8920
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.
APPLICATIONS
Television sets
Home-sound systems
Multimedia systems.
GENERAL DESCRIPTION
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.
QUICK REFERENCE DATA
SYMBOL
PARAMETER
General
VDD
Iq(tot)
η
operating supply voltage
total quiescent current
efficiency
Stereo single-ended configuration
Po
Gv(cl)
Zi
Vn(o)
SVRR
αcs
output power
closed loop voltage gain
input impedance
noise output voltage
supply voltage ripple rejection
channel separation
Mono bridge-tied load configuration
Po
Gv(cl)
Zi
Vn(o)
SVRR
∆VO
output power
closed loop voltage gain
input impedance
noise output voltage
supply voltage ripple rejection
DC output offset voltage
CONDITIONS
Po = 10 W
THD = 10%
THD = 10%
MIN. TYP. MAX. UNIT
±15 ±25 ±30 V
50 60 mA
85 90
%
tbf 35
W
29 30 31 dB
80 120
k
100 − µV
60 − − dB
50 tbf
dB
130 W
35 36 37 dB
40 60
k
140 − µV
66 − − dB
− − 50 mV
1998 Dec 01
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