TDA1905 datasheet(4/14 Pages) STMICROELECTRONICS

4 / 14 page

Symbol

Parameter

Test conditions

Min.

Typ.

Max.

Unit

Supply voltage

Quiescent output voltage

Vs =4V

Vs = 14V

Vs = 30V

1.6

6.7

14.4

2.1

7.2

15.5

2.5

7.8

16.8

Quiescent drain current

Vs =4V

Vs = 14V

Vs = 30V

VCE sat

Output stage saturation

voltage

IC =1A

IC =2A

0.5

Output power

d = 10%

Vs =9V

Vs = 14V

Vs = 18V

Vs = 24V

f = 1KHz

RL =4

Ω (*)

RL =4

Ω

RL =8

Ω

RL =16

Ω

2.2

4.5

2.5

5.5

5.3

Harmonic distortion

f = 1KHz

Vs =9V

RL =4

Ω

Po = 50 mW to 1.5W

Vs = 14V

RL =4

Ω

Po =50 mW to 3W

Vs = 18V

RL =8

Ω

Po =50 mW to 3W

Vs = 24V

RL =16

Ω

Po =50 mW to 3W

0.1

Input sensitivity

f = 1KHz

Vs =9V

Vs = 14V

Vs = 18V

Vs = 24V

RL =4

Ω

RL =4

Ω

RL =8

Ω

RL =16

Ω

Po = 2.5W

Po = 5.5W

Po = 5.3W

100

Input saturation

voltage (rms)

Vs =9V

Vs = 14V

Vs = 18V

Vs = 24V

0.8

1.3

1.8

2.4

Input resistance (pin 8)

f = 1KHz

100

Ω

Drain current

f = 1KHz

Vs =9V

Vs = 14V

Vs = 18V

Vs = 24V

RL =4

Ω

RL =4

Ω

RL =8

Ω

RL =16

Ω

Po = 2.5W

Po = 5.5W

Po = 5.3W

380

550

410

295

Efficiency

f = 1KHz

Vs =9V

Vs = 14V

Vs = 18V

Vs = 24V

RL =4

Ω

RL =4

Ω

RL =8

Ω

RL =16

Ω

Po = 2.5W

Po = 5.5W

Po = 5.3W

ELECTRICAL CHARACTERISTICS (Refer to the test circuit, Tamb =25

°C, Rth (heatsink) = 20 °C/W,

unless otherwisw specified)

(*) With an external resistor of 100

Ω between pin 3 and +Vs.

4/14

TDA1905

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