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ST Microelectronics
ST Microelectronics

TDA2050H Datasheet

32W Hi-Fi AUDIO POWER AMPLIFIER


TDA2050H Datasheet Preview


TDA2050
32W Hi-Fi AUDIO POWER AMPLIFIER
HIGH OUTPUT POWER
(50W MUSIC POWER IEC 268.3 RULES)
HIGH OPERATING SUPPLY VOLTAGE (50V)
SINGLE OR SPLIT SUPPLY OPERATIONS
VERY LOW DISTORTION
SHORT CIRCUIT PROTECTION (OUT TO
GND)
THERMAL SHUTDOWN
DESCRIPTION
The TDA 2050 is a monolithic integrated circuit in
Pentawatt package, intended for use as an audio
class AB audio amplifier. Thanks to its high power
capability the TDA2050 is able to provide up to
35W true rms power into 4 ohm load @ THD =
10%, VS = ±18V, f = 1KHz and up to 32W into
8ohm load @ THD = 10%, VS = ±22V, f = 1KHz.
Moreover, the TDA 2050 delivers typically 50W
music power into 4 ohm load over 1 sec at VS=
22.5V, f = 1KHz.
TEST AND APPLICATION CIRCUIT
Pentawatt
ORDERING NUMBERS: TDA2050V
TDA2050H
The high power and very low harmonic and cross-
over distortion (THD = 0.05% typ, @ VS = ±22V,
PO = 0.1 to 15W, RL=8ohm, f = 100Hz to 15KHz)
make the device most suitable for both HiFi and
high class TV sets.
March 1995
1/13
This is advanced information on a new product now in development or undergoing evaluation. Details are subject to change without notice.
Page 1

TDA2050
ABSOLUTE MAXIMUM RATINGS
Symbol
VS
Vi
Vi
IO
Ptot
Tstg, Tj
Parameter
Supply Voltage
Input Voltage
Differential Input Voltage
Output Peak Current (internally limited)
Power Dissipation TCASE = 75°C
Storage and Junction Temperature
PIN CONNECTION (Top view)
SCHEMATIC DIAGRAM
Value
±25
VS
±15
5
25
-40 to 150
Unit
V
V
A
W
°C
THERMAL DATA
Symbol
Description
Rth j-case Thermal Resistance junction-case
2/13
Value
Max 3
Unit
°C/W
Page 2

TDA2050
ELECTRICAL CHARACTERISTICS (Refer to the Test Circuit, VS = ±18V, Tamb = 25°C, f = 1 kHz; un-
less otherwise specified)
Symbol
VS
Id
Parameter
Supply Voltage Range
Quiescent Drain Current
Ib Input Bias Current
VOS Input Offset Voltage
IOS Input Offset Current
PO RMS Output Power
Music Power
IEC268.3 RULES
d Total Harmonic Distortion
SR
GV
GV
BW
eN
Ri
SVR
η
Slew Rate
Open Loop Voltage Gain
Closed Loop Voltage Gain
Power Bandwidth (-3dB)
Total Input Noise
Input Resistance (pin 1)
Supply Voltage Rejection
Efficiency
Tsd-j Thermal Shut-down
Junction Temperature
Test Condition
VS = ±4.5V
VS = ±25V
VS = ±22V
VS = ±22V
VS = ±22V
d = 0.5%
RL = 4
RL = 8
VS = ±22V RL = 8
d = 10%
RL = 4
RL = 8
VS = ±22V RL = 8
d = 10%; T = 1s
VS = ±22.5V; RL = 4
RL = 4
f = 1kHz, PO = 0.1 to 24W
f = 100Hz to 10kHz, PO = 0.1 to 18W
VS = ±22V RL = 8
f = 1kHz, PO = 0.1 to 20W
f = 100Hz to 10kHz, PO = 0.1 to 15W
RL = 4Vi = 200mV
curve A
B = 22Hz to 22kHz
Rs = 22k; f = 100Hz;
Vripple = 0.5Vrms
PO = 28W; RL = 4
PO = 25W; RL = 8;
VS = ±22V
Min.
±4.5
Typ.
30
55
0.1
Max.
±25
50
90
0.5
±15
±200
24 28
18
22 25
35
22
32
50
0.03
0.5
0.5
0.02
0.5
58
80
30 30.5 31
20 to 80,000
4
5 10
500
45
65
67
150
Unit
V
mA
mA
µA
mV
nA
W
W
W
W
W
W
W
%
%
%
%
V/µs
dB
dB
Hz
µV
µV
k
dB
%
%
°C
3/13
Page 3
Part Number TDA2050H
Manufactur ST Microelectronics
Description 32W Hi-Fi AUDIO POWER AMPLIFIER
Total Page 13 Pages
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