TDA2050 datasheet(3/13 Pages) STMICROELECTRONICS

3 / 13 page

ELECTRICAL CHARACTERISTICS (Refer to the Test Circuit, VS =

±18V, Tamb =25°C, f = 1 kHz; un-

less otherwise specified)

Symbol

Parameter

Test Condition

Min.

Typ.

Max.

Unit

Supply Voltage Range

±4.5

±25

Quiescent Drain Current

VS =

±4.5V

VS =

±25V

Input Bias Current

VS =

±22V

0.1

0.5

µA

VOS

Input Offset Voltage

VS =

±22V

±15

IOS

Input Offset Current

VS =

±22V

±200

RMS Output Power

d = 0.5%

RL =4

Ω

RL =8

Ω

VS =

±22V RL =8Ω

d = 10%

RL =4

Ω

RL =8

Ω

VS =

±22V RL =8Ω

Music Power

IEC268.3 RULES

d = 10%; T = 1s

VS =

±22.5V; RL =4Ω

Total Harmonic Distortion

RL =4

Ω

f = 1kHz, PO = 0.1 to 24W

f = 100Hz to 10kHz, PO = 0.1 to 18W

0.03

0.5

VS =

±22V RL =8Ω

f = 1kHz, PO = 0.1 to 20W

f = 100Hz to 10kHz, PO = 0.1 to 15W

0.02

0.5

Slew Rate

µs

Open Loop Voltage Gain

Closed Loop Voltage Gain

30.5

Power Bandwidth (-3dB)

RL =4

Ω

Vi = 200mV

20 to 80,000

Total Input Noise

curve A

B = 22Hz to 22kHz

510

µV

Input Resistance (pin 1)

500

Ω

SVR

Supply Voltage Rejection

Rs = 22k

Ω; f = 100Hz;

Vripple = 0.5Vrms

Efficiency

PO = 28W; RL =4

Ω

PO = 25W; RL =8

Ω;

VS =

±22V

Tsd-j

Thermal Shut-down

Junction Temperature

150

°C

TDA2050

3/13

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