TS488(2019) Просмотр технического описания (PDF) - STMicroelectronics

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производитель

TS488
(Rev.:2019)

Pop-free 120 mW stereo headphone amplifier

STMicroelectronics 

TS488

Electrical characteristics curves

Figure 38. Total harmonic distortion plus noise vs. output Figure 39. Total harmonic distortion plus noise vs. output

power RL=16 Ω, F=20 kHz, AV=-4

power RL=32 Ω, F=1 kHz, AV=-4

10

F=20kHz, RL=16Ω

AV=-4, TAMB=25°C

BW=20Hz-120kHz

10

F=1kHz, RL=32Ω

AV=-4, TAMB=25°C

1 BW=20Hz-120kHz

VCC=5V

1

VCC=5V

VCC=3.3V

VCC=2.5V

0.1

0.01

VCC=3.3V

VCC=2.5V

0.11

10

100 200

1E-3

1

10

100 200

Output Power (mW)

Output Power (mW)

Figure 40. Total harmonic distortion plus noise vs. output

power RL=32 Ω, F=20 kHz, AV=-4

10

F=20kHz, RL=32Ω

AV=-4, TAMB=25°C

BW=20Hz-120kHz

VCC=5V

1

VCC=3.3V

VCC=2.5V

0.1

Figure 41. Total harmonic distortion plus noise vs. output

power RL=600 Ω, F=1 kHz, AV=-4

10

F=1kHz, RL=600Ω

AV=-4, TAMB=25°C

1 BW=20Hz-120kHz

VCC=5V

VCC=3.3V

0.1

VCC=2.5V

0.01

0.01

1

10

Output Power (mW)

100 200

1E-03.01

0.1

1

3

Output Voltage (VRMS)

Figure 42. Total harmonic distortion plus noise vs. output

power RL=600 Ω, F=20 kHz, AV=-4

10

F=20kHz, RL=600Ω

AV=-4, TAMB=25°C

BW=20Hz-120kHz

1

VCC=5V

VCC=3.3V

VCC=2.5V

0.1

Figure 43. Total harmonic distortion plus noise vs.

frequency RL=16 Ω

1

RL=16Ω, AV=-1

BW=20Hz-120kHz

TAMB=25°C

0.1

Vcc=2.5V, Po=20mW

Vcc=3.3V, Po=40mW

Vcc=5V, Po=100mW

0.01

0.001.01

0.1

1

3

Output Voltage (VRMS)

1E-3

20

100

1k

Frequency (Hz)

10k 20k

DS4579 - Rev 7

page 14/32

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