TS4890 View Datasheet(PDF) - STMicroelectronics

Part Name

Description

Manufacturer

TS4890

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

STMicroelectronics 

Fig. 55 : THD + N vs Output Power

10

RL = 16Ω

Vcc = 2.2V

Gv = 2

Cb = Cin = 1µF

1 BW < 125kHz

Tamb = 25°C

20Hz

0.1

20kHz

0.01

1E-3

1kHz

0.01

0.1

Output Power (W)

Fig. 57 : THD + N vs Frequency

RL = 4Ω, Vcc = 5V

Gv = 2

1 Cb = 1µF

BW < 125kHz

Tamb = 25°C

Pout = 1.2W

0.1

20

Pout = 600mW

100

1000

Frequency (Hz)

10000

Fig. 59 : THD + N vs Frequency

RL = 4Ω, Vcc = 3.3V

Gv = 2

1 Cb = 1µF

BW < 125kHz

Tamb = 25°C

Pout = 540mW

0.1

20

Pout = 270mW

100

1000

Frequency (Hz)

10000

TS4890

Fig. 56 : THD + N vs Output Power

10

RL = 16Ω Vcc = 2.2V

Gv = 10, Cb = Cin = 1µF

BW < 125kHz, Tamb = 25°C

1

20kHz

0.1

0.01

1E-3

20Hz

1kHz

0.01

0.1

Output Power (W)

Fig. 58 : THD + N vs Frequency

Pout = 1.2W

1

0.1

Pout = 600mW

RL = 4Ω, Vcc = 5V

Gv = 10

Cb = 1µF

BW < 125kHz

Tamb = 25°C

0.01

20

100

1000

Frequency (Hz)

10000

Fig. 60 : THD + N vs Frequency

RL = 4Ω, Vcc = 3.3V

Gv = 10

Cb = 1µF

1

BW < 125kHz

Tamb = 25°C

Pout = 540mW

0.1

20

Pout = 270mW

100

1000

Frequency (Hz)

10000

15/32

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