TS4604 datasheet(14/31 Pages) STMICROELECTRONICS

14 / 31 page

Characteristics of the headset driver

TS4604

14/31

Doc ID 17913 Rev 1

Figure 30.

THD+N vs. output power

(RL = 32 Ω, VCC = 3.0 V, G = 20 dB)

Figure 31.

THD+N vs. output power

(RL = 32 Ω, VCC = 3.3 V, G = 0 dB)

Figure 32.

THD+N vs. output power

(RL = 32 Ω, VCC = 3.3 V, G = 20 dB)

Figure 33.

THD+N vs. output power

(RL = 32 Ω, VCC = 4.8 V, G = 0 dB)

0.1

100

1E-3

0.01

0.1

F=80Hz

F=1kHz

F=8kHz

RL = 32

Vcc = 3.0V, G = 20dB

Inputs = 0

° & 180°

BW < 30kHz, Tamb = 25

°C

Output Power (mW)

0.1

100

1E-4

1E-3

0.01

0.1

F=80Hz

F=1kHz

F=8kHz

RL = 32

Vcc = 3.3V, G = 0dB

Inputs = 0

° & 180°

BW < 30kHz, Tamb = 25

°C

Output Power (mW)

0.1

100

1E-3

0.01

0.1

F=80Hz

F=1kHz

F=8kHz

RL = 32

Vcc = 3.3V, G = 20dB

Inputs = 0

° & 180°

BW < 30kHz, Tamb = 25

°C

Output Power (mW)

0.1

100

1E-4

1E-3

0.01

0.1

F=80Hz

F=1kHz

F=8kHz

RL = 32

Vcc = 4.8V, G = 0dB

Inputs = 0

° & 180°

BW < 30kHz, Tamb = 25

°C

Output Power (mW)

Figure 34.

THD+N vs. output power

(RL = 32 Ω, VCC = 4.8 V, G = 20 dB)

Figure 35.

THD+N vs. frequency

(RL = 16 Ω, G = 0 dB)

0.1

100

1E-3

0.01

0.1

F=80Hz

F=1kHz

F=8kHz

RL = 32

Vcc = 4.8V, G = 20dB

Inputs = 0

° & 180°

BW < 30kHz, Tamb = 25

°C

Output Power (mW)

100

1000

10000

1E-3

0.01

0.1

Po=1mW

Po=15mW

RL = 16

Vcc = 3.0V to 4.8V

G = 0dB, Inputs = 0

° & 180°

Bw < 20kHz, Tamb = 25

°C

20k

Frequency (Hz)

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