TDA2050 is able to provide up to 35 W into a 4 ohm load at ±18 V and up to 32 W into an 8 ohm load at ±22 .

TDA 2050

The TDA 2050 is a monolithic integrated circuit in a 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 35 W true RMS power into a 4 ohm load at THD = 0%, VS = ±18 V, f = 1 kHz and up to 32 W into an 8 ohm load at THD = 10%, VS = ±22 V, f = 1 kHz. Moreover, the TDA2050 delivers typically 50 W music power into a 4 ohm load over 1 sec at VS = 22.5 V, f = 1 kHz. 

The high power and very low harmonic and crossover distortion (THD = 0.05% typ, at VS = ±22 V, PO = 0.1 to 15 W, RL= 8 ohm, f = 100 Hz to 15 kHz) make the device most suitable for both hi-fi and high-end TV sets.

Features 

• High output power (50 W music power IEC 268.3 rules) 
• High operating supply voltage (50 V) 
• Single or split supply operations 
• Very low distortion 
• Short-circuit protection (OUT to GND) 
• Thermal shutdown

Absolute maximum ratings

• Supply voltage ±25 V 
• Input voltage Vs 
• Differential input voltage ±15 V 
• Output peak current (internally limited) 5 A
• Power dissipation at TCASE = 75 °C   25 W 
• Storage and junction temperature -40 to 150 °C

Split-supply application suggestions

Recommended values of external components

components	Recommended value	Purpose	Larger than recommended value	Smaller than recommended value
R1	22 kΩ	Input impedance	Increase of input impedance	Decrease of Input Impedance
R2	680 Ω	Feedback resistor	Decrease of gain	Increase of gain
R3	22 kΩ	Feedback resistor	Increase of gain	Decrease of gain
R4	2.2 Ω	Frequency stability	Danger of oscillations
C1	1 µF	Input decoupling DC		Higher low-frequency cutoff
C2	22 µF	Inverting input DC	Increase of switch ON/OFF noise	Higher low-frequency cutoff
C3, C4	100 nF	Supply voltage bypass		Danger of oscillation
C5, C6	220 µF	Supply voltage bypass		Danger of oscillation
C7	0.47 µF	Frequency stability		Danger of oscillation

Single-supply application suggestions

Recommended values of external components

components	Recommended value	Purpose	Larger than recommended value	Smaller than recommended value
R1, R2, R3	22 kΩ	Biasing resistor
R4	680 Ω	Feedback resistor	Increase of gain	Decrease of gain
R5	22 kΩ	Feedback resistor	Decrease of gain	Increase of gain
R6	2.2 Ω	Frequency stability	Danger of oscillations
C1	2.2 µF	Input decoupling DC		Higher low-frequency cutoff
C2	100 µF	Supply voltage rejection	Worse turn-off transient Worse turn-on delay
C3	1000 µF	Supply voltage bypass		Danger of oscillations Worse turn-off transient
C4	22 µF	Inverting input DC decoupling	Increase of switch ON/OFF noise	Danger of oscillation
C5	100 nF	Supply voltage bypass		Danger of oscillation
C6	0.47 µF	Frequency stability		Danger of oscillation
C7	1000 µF	Output DC decoupling		Higher low-frequency cutoff