TS482(2003) Просмотр технического описания (PDF) - STMicroelectronics

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Компоненты Описание

производитель

TS482
(Rev.:2003)

100mW STEREO HEADPHONE AMPLIFIER

STMicroelectronics 

Fig. 31 : Power Dissipation vs Output Power

25

Vcc=2V

F=1kHz

20 THD+N<1%

15

RL=8Ω

10

RL=16Ω

5

RL=32Ω

0

0

2

4

6

8

10 12 14

Output Power (mW)

TS482

Fig. 32 : Power Derating vs Ambiant

Temperature

Fig. 33 : Current Consumption vs Power

Supply Voltage

6

No load

5

4 Ta=85°C

3

Ta=25°C

2

Ta=-40°C

1

0

0

1

2

3

4

5

Power Supply Voltage (V)

Fig. 34 : Power Supply Rejection Ration vs

Frequency

100 Vcc=5V

80

60 Vcc=3.3V

Vcc=2.6V & 2V

40 Vripple=100mVpp

Vpin3,5=Vcc/2 (forced bias)

RL >= 8Ω

20 0db=70mVrms

Tamb=25°C

0

20

100

1000

10000

Frequency (Hz)

100000

Fig. 35 : THD + N vs Output Power

10

RL = 8Ω

F = 20Hz

Av = -1

BW < 125kHz

1 Tamb = 25°C

Vcc=2V

Vcc=2.6V

0.1

Vcc=3.3V

Vcc=5V

0.01

1

10

100

Output Power (mW)

Fig. 36 : THD + N vs Output Power

10

RL = 16Ω

F = 20Hz

Av = -1

1 BW < 125kHz

Tamb = 25°C

0.1

Vcc=2V

Vcc=2.6V

0.01

1E-3

1

Vcc=3.3V

Vcc=5V

10

100

Output Power (mW)

13/24

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