TS4604IPT データシートの表示（PDF） - STMicroelectronics

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TS4604IPT

Stereo headset driver and analog audio line driver with integrated reference to ground

STMicroelectronics 

Characteristics of the headset driver

TS4604

Figure 30. THD+N vs. output power

(RL = 32 Ω, VCC = 3.0 V, G = 20 dB)

10

RL = 32Ω

Vcc = 3.0V, G = 20dB

1

Inputs = 0° & 180°

BW < 30kHz, Tamb = 25°C

0.1

0.01

1E-3

0.1

F=8kHz

F=1kHz

F=80Hz

1

10

Output Power (mW)

100

Figure 31. THD+N vs. output power

(RL = 32 Ω, VCC = 3.3 V, G = 0 dB)

10

RL = 32Ω

Vcc = 3.3V, G = 0dB

1

Inputs = 0° & 180°

BW < 30kHz, Tamb = 25°C

0.1

0.01

1E-3

F=8kHz

F=1kHz

1E-4

0.1

F=80Hz

1

10

100

Output Power (mW)

Figure 32. THD+N vs. output power

Figure 33. THD+N vs. output power

(RL = 32 Ω, VCC = 3.3 V, G = 20 dB)

(RL = 32 Ω, VCC = 4.8 V, G = 0 dB)

10

RL = 32Ω

Vcc = 3.3V, G = 20dB

1

Inputs = 0° & 180°

BW < 30kHz, Tamb = 25°C

0.1

F=8kHz

10

1

0.1

0.01

RL = 32Ω

Vcc = 4.8V, G = 0dB

Inputs = 0° & 180°

BW < 30kHz, Tamb = 25°C

F=8kHz

0.01

1E-3

0.1

F=1kHz

1

10

Output Power (mW)

F=80Hz

100

1E-3

1E-4

0.1

F=1kHz

F=80Hz

1

10

Output Power (mW)

100

Figure 34. THD+N vs. output power

Figure 35. THD+N vs. frequency

(RL = 32 Ω, VCC = 4.8 V, G = 20 dB)

(RL = 16 Ω, G = 0 dB)

10

RL = 32Ω

Vcc = 4.8V, G = 20dB

1

Inputs = 0° & 180°

BW < 30kHz, Tamb = 25°C

1

RL = 16Ω

Vcc = 3.0V to 4.8V

G = 0dB, Inputs = 0° & 180°

Bw < 20kHz, Tamb = 25°C

0.1

0.1

0.01

1E-3

0.1

F=8kHz

F=1kHz

1

10

Output Power (mW)

F=80Hz

100

0.01

1E-3

20

Po=1mW

Po=15mW

100

1000

Frequency (Hz)

10000 20k

14/31

Doc ID 17913 Rev 1

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