TS4890ID datasheet(20/32 Pages) STMICROELECTRONICS

Numer części	TS4890ID

Szczegółowy opis	RAIL TO RAIL OUTPUT 1W AUDIO POWER AMPLIFIER WITH STANDBY MODE ACTIVE LOW

PDF	32 Pages

Scroll/Zoom	100%

Producent	STMICROELECTRONICS [STMicroelectronics]

Strona internetowa	http://www.st.com

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20 / 32 page

TS4890

20/32

Fig. 85 : THD + N vs Frequency

Fig. 87 : THD + N vs Frequency

Fig. 89 : Signal to Noise Ratio vs Power Supply

with Unweighted Filter (20Hz to 20kHz)

Fig. 86 : THD + N vs Frequency

Fig. 88 : THD + N vs Frequency

Fig. 90 :Signal to Noise Ratio Vs Power Supply

with Unweighted Filter (20Hz to 20kHz)

100

1000

10000

0.01

0.1

Pout = 80mW

Pout = 160mW

RL = 16

Ω, Vcc = 2.6V

Gv = 10, Cb = 1

µF

BW < 125kHz

Tamb = 25

°C

Frequency (Hz)

100

1000

10000

0.01

0.1

RL = 16

Ω, Vcc = 2.2V

Gv = 2, Cb = 1

µF

BW < 125kHz

Tamb = 25

°C

Pout = 50 & 100mW

Frequency (Hz)

2.5

3.0

3.5

4.0

4.5

5.0

100

RL=8

Ω

RL=4

Ω

2.2

RL=16

Ω

Gv = 2

Cb = Cin = 1

µF

THD+N < 0.4%

Tamb = 25

°C

Vcc (V)

100

1000

10000

0.01

0.1

RL = 16

Ω, Vcc = 2.6V

Gv = 2, Cb = 1

µF

BW < 125kHz

Tamb = 25

°C

Pout = 80mW

Pout = 160mW

Frequency (Hz)

100

1000

10000

0.01

0.1

RL = 16

Ω, Vcc = 2.2V

Gv = 10, Cb = 1

µF

BW < 125kHz

Tamb = 25

°C

Pout = 50mW

Pout = 100mW

Frequency (Hz)

2.5

3.0

3.5

4.0

4.5

5.0

RL=8

Ω

RL=4

Ω

RL=16

Ω

Gv = 10

Cb = Cin = 1

µF

THD+N < 0.4%

Tamb = 25

°C

2.2

Vcc (V)

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