TS4994 View Datasheet(PDF) - STMicroelectronics

Part Name

Description

MFG CO.

TS4994

1W Differential Input/Output Audio Power Amplifier with Selectable Standby

STMicroelectronics 

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TS4994

Figure 57. THD+N vs. output power

10

1

0.1

0.01

RL = 8Ω

Vcc = 5V

Av = 1

Cb = 0

BW < 125kHz

Tamb = 25°C

F=20kHz

F=1kHz

F=20Hz

1E-3

0.01

0.1

1

Output Power (W)

Figure 58. THD+N vs. output power

10

RL = 8Ω

Vcc = 2.6V

1 Av = 1, Cb = 0

BW < 125kHz

Tamb = 25°C

0.1

F=20kHz

F=1kHz

0.01

F=20Hz

1E-3

1E-3

0.01

0.1

Output Power (W)

Figure 59. THD+N vs. output power

10

RL = 16Ω

Vcc = 5V

1 Av = 1, Cb = 0

BW < 125kHz

Tamb = 25°C

0.1

F=20kHz

F=1kHz

0.01

F=20Hz

1E-3

1E-3

0.01

0.1

1

Output Power (W)

Electrical Characteristics

Figure 60. THD+N vs. output power

10

RL = 16Ω

Vcc = 2.6V

1 Av = 1, Cb = 0

BW < 125kHz

Tamb = 25°C

0.1

F=20kHz

F=1kHz

0.01

F=20Hz

1E-3

1E-3

0.01

0.1

Output Power (W)

Figure 61. THD+N vs. frequency

10

RL = 8Ω

Av = 1

Cb = 1µF

1 Bw < 125kHz

Tamb = 25°C

0.1

Vcc=2.6V, Po=225mW

0.01

1E-3

20

Vcc=5V, Po=850mW

100

1000

Frequency (Hz)

10000 20k

Figure 62. THD+N vs. frequency

10

RL = 8Ω

Av = 1

Cb = 0

1 Bw < 125kHz

Tamb = 25°C

0.1

Vcc=2.6V, Po=225mW

0.01

1E-3

20

Vcc=5V, Po=850mW

100

1000

Frequency (Hz)

10000 20k

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