TS4851 Ver la hoja de datos (PDF) - STMicroelectronics

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TS4851

Mono 1W Speaker and Stereo 160mW Headset BTL Drivers with Digital Volume Control

STMicroelectronics 

Electrical Characteristics

Figure 9: Spkout THD+N vs. output power

(output mode 3, G=+12dB)

10

RL = 8Ω

Out. mode 3; G = +12dB

BW < 125 kHz

Tamb = 25°C

1

Vcc=5V

F=20kHz

Vcc=3V

F=20kHz

0.1

Vcc=3V

F=1kHz

Vcc=5V

F=1kHz

1E-3

0.01

0.1

1

Output power (W)

Figure 10: Spkout THD+N vs. output power

(output mode 3, G=+12dB)

10

RL = 16Ω

Output mode 3

G = +12dB

BW < 125 kHz

1 Tamb = 25°C

Vcc=5V

F=20kHz

Vcc=3V

F=20kHz

0.1

0.01

1E-3

Vcc=3V

F=1kHz

Vcc=5V

F=1kHz

0.01

0.1

1

Output power (W)

Figure 11: HDout THD+N vs. output power

(output mode 4, G=+12dB)

10

RL = 16Ω

Output mode 4

G = +12dB

BW < 125 kHz

1 Tamb = 25°C

Vcc=5V

F=20kHz

Vcc=3V

F=20kHz

0.1

Vcc=5V

F=1kHz

0.01

1E-3

Vcc=3V

F=1kHz

0.01

0.1

Output power (W)

TS4851

Figure 12: HDout THD+N vs. output power

(output mode 4, G=+12dB)

10

RL = 32Ω

Output mode 4

G = +12dB

BW < 125 kHz

1 Tamb = 25°C

Vcc=5V

F=20kHz

Vcc=3V

F=20kHz

0.1

0.01

1E-3

Vcc=3V

F=1kHz

Vcc=5V

F=1kHz

0.01

0.1

Output power (W)

Figure 13: Spkout THD+N vs. frequency

(output modes 1, 7)

10

RL = 4Ω

Output mode 1, 7

BW < 125kHz

Tamb = 25°C

1

Vcc=3V

P=400mW

Vcc=5V

P=1.1W

0.1

0.01

100

1000

10000

Frequency (Hz)

Figure 14: Spkout THD+N vs. frequency

(output modes 1, 7)

10

RL = 8Ω

Output mode 1, 7

BW < 125kHz

Tamb = 25°C

1

Vcc=3V

P=320mW

Vcc=5V

P=800mW

0.1

0.01

100

1000

10000

Frequency (Hz)

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