TDA8920 Philips Semiconductors, TDA8920 Datasheet - Page 2

• Manufacturer Part Number: TDA8920
• Description: 2 x 50 W class-D power amplifier
• Manufacturer: Philips Semiconductors

Philips Semiconductors
FEATURES
QUICK REFERENCE DATA
1998 Dec 01
General
V
I
Stereo single-ended configuration
P
G
V
SVRR
Mono bridge-tied load configuration
P
G
V
SVRR
q(tot)
Z
Z
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.
DD
o
n(o)
cs
o
n(o)
2
v(cl)
v(cl)
SYMBOL
i
i
V
O
50 W class-D power amplifier
operating supply voltage
total quiescent current
efficiency
output power
closed loop voltage gain
input impedance
noise output voltage
supply voltage ripple rejection
channel separation
output power
closed loop voltage gain
input impedance
noise output voltage
supply voltage ripple rejection
DC output offset voltage
PARAMETER
P
THD = 10%
THD = 10%
o
= 10 W
2
APPLICATIONS
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
current.
CONDITIONS
15 V up to 30 V and consumes a very low quiescent
Television sets
Home-sound systems
Multimedia systems.
85
tbf
29
80
60
50
35
40
66
MIN.
15
Preliminary specification
50
90
35
30
120
100
tbf
130
36
60
140
TYP.
25
TDA8920
60
31
37
50
MAX.
30
V
mA
%
W
dB
k
dB
dB
W
dB
k
dB
mV
UNIT
V
V