TS4890 View Datasheet(PDF) - STMicroelectronics

Part Name

Description

Manufacturer

TS4890

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

STMicroelectronics 

TS4890

Fig. 85 : THD + N vs Frequency

1

RL = 16Ω, Vcc = 2.6V

Gv = 10, Cb = 1µF

BW < 125kHz

Tamb = 25°C

Pout = 160mW

0.1

0.01

20

Pout = 80mW

100

1000

Frequency (Hz)

10000

Fig. 87 : THD + N vs Frequency

1

Pout = 50 & 100mW

0.1

RL = 16Ω, Vcc = 2.2V

Gv = 2, Cb = 1µF

BW < 125kHz

Tamb = 25°C

Fig. 86 : THD + N vs Frequency

1

RL = 16Ω, Vcc = 2.6V

Gv = 2, Cb = 1µF

BW < 125kHz

Tamb = 25°C

Pout = 80mW

0.1

0.01

20

Pout = 160mW

100

1000

Frequency (Hz)

10000

Fig. 88 : THD + N vs Frequency

1

RL = 16Ω, Vcc = 2.2V

Gv = 10, Cb = 1µF

BW < 125kHz

Tamb = 25°C

Pout = 50mW

0.1

0.01

20

100

1000

Frequency (Hz)

10000

0.01

20

Pout = 100mW

100

1000

Frequency (Hz)

10000

Fig. 89 : Signal to Noise Ratio vs Power Supply

with Unweighted Filter (20Hz to 20kHz)

Fig. 90 :Signal to Noise Ratio Vs Power Supply

with Unweighted Filter (20Hz to 20kHz)

100

90

RL=16Ω

80

RL=8Ω

RL=4Ω

70

Gv = 2

60

Cb = Cin = 1µF

THD+N < 0.4%

Tamb = 25°C

50

2.2 2.5

3.0

3.5

4.0

4.5

5.0

Vcc (V)

90

80

70

RL=16Ω

60

50

2.2 2.5

3.0

RL=4Ω

RL=8Ω

Gv = 10

Cb = Cin = 1µF

THD+N < 0.4%

Tamb = 25°C

3.5

4.0

4.5

5.0

Vcc (V)

20/32

Share Link: