TS4909 datasheet(13/35 Pages) STMICROELECTRONICS

13 / 35 page

TS4909

Electrical characteristics

Doc ID 11972 Rev 9

13/35

Figure 20. THD+N vs. output power, SE,

F = 1 kHz, RL = 16 Ω, Av = 4

Figure 21. THD+N vs. output power, SE,

F = 20 kHz, RL = 16 Ω, Av = 4

1E -3

0.01

0.1

1E -3

0.01

0.1

Vc c= 3 V

V c c= 2.6V

S ingle E nded

F = 1 kHz , RL = 1 6

Av =-4 , Ta m b =2 5°C

B W = 20H z-12 0kH z

Output Power (mW)

Vcc = 5 V

0.2

1E -3

0.01

0.1

0.01

0.1

V cc= 3V

V cc= 2.6V

S ingle E nded

F = 20kH z, R L = 1 6

A v= -4, T a m b = 25°C

B W = 20H z-120kH z

Output Power (mW)

Vc c= 5 V

0.2

Figure 22. THD+N vs. output power, SE,

F = 1 kHz, RL = 32 Ω, Av = 4

Figure 23. THD+N vs. output power, SE,

F = 20 kHz, RL = 32 Ω, Av = 4

1E -3

0.01

0.1

1E -3

0.01

0.1

V cc= 3V

V cc= 2.6V

S ingle E nded

F = 1 kHz , RL = 3 2

Av =-4 , Ta m b =2 5°C

B W = 20H z-12 0kH z

Output Power (mW)

V cc= 5 V

0.2

1E -3

0.01

0.1

0.01

0.1

Vc c= 3 V

V cc= 2.6V

S ingle E nded

F = 20kH z, R L = 3 2

A v= -4, T a m b = 25°C

B W = 20H z-120kH z

Output Power (mW)

Vc c= 5 V

0.2

Figure 24. THD+N vs. frequency, PHG,

RL = 16 Ω, Av = 1

Figure 25. THD+N vs. frequency, PHG,

RL = 32 Ω, Av = 1

100

10k

0.01

0.1

Vcc = 5 V

P o = 90m W

Vc c= 3V

P o = 40m W

20 k

V c c= 2.6V

Po =30 m W

P hantom G round

RL = 1 6

Ω, Av=-1

B W = 20H z-12 0kH z

AM B

= 25°C

Frequency (Hz)

0.002

100

10k

0.01

0.1

Vcc = 5 V

P o = 60m W

Vc c= 3 V

P o = 25m W

20 k

V cc= 2.6V

P o = 20m W

P hantom G round

RL = 3 2

Ω, Av=-1

B W = 20H z-12 0kH z

AM B

= 25°C

Frequency (Hz)

0.002

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