TS4604 datasheet(11/31 Pages) STMICROELECTRONICS

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TS4604

Characteristics of the headset driver

Doc ID 17913 Rev 1

11/31

Characteristics of the headset driver

Figure 14.

Current consumption vs. power

supply

Figure 15.

Standby current vs. power supply

3.0 3.1 3.2 3.3 3.4 3.5 3.6 3.7 3.8 3.9 4.0 4.1 4.2 4.3 4.4 4.5 4.6 4.7 4.8

4.4

4.5

4.6

4.7

4.8

4.9

5.0

5.1

5.2

5.3

5.4

5.5

5.6

5.7

No Load; No input signal

Headset Driver

Ta=25°C

Power Supply Voltage Vcc (V)

3.0 3.1 3.2 3.3 3.4 3.5 3.6 3.7 3.8 3.9 4.0 4.1 4.2 4.3 4.4 4.5 4.6 4.7 4.8

200

400

600

800

1000

1200

No Load; No input signal

Line Driver

Ta=25°C

Power Supply Voltage Vcc (V)

Figure 16.

Output power vs. power supply

(RL = 16 Ω, G = 0 dB)

Figure 17.

Output power vs. power supply

(RL = 16 Ω, G = 20 dB)

3.0 3.1 3.2 3.33.4 3.5 3.6 3.7 3.83.9 4.0 4.1 4.2 4.3 4.4 4.5 4.6 4.7 4.8

100

120

140

160

180

THD+N=10% (0°)

THD+N=1% (180°)

THD+N=1% (0°)

THD+N=10% (180°)

RL = 16

Ω, F=1kHz

G=0dB

BW<30kHz, Ta=25 C

Headset Driver

Power Supply Voltage Vcc (V)

3.0 3.1 3.2 3.33.4 3.5 3.6 3.7 3.83.9 4.0 4.1 4.2 4.3 4.4 4.5 4.6 4.7 4.8

100

120

140

160

180

THD+N=10% (0°)

THD+N=1% (180°)

THD+N=1% (0°)

THD+N=10% (180°)

RL = 16

Ω, F=1kHz

G=20dB

BW<30kHz, Ta=25 C

Headset Driver

Power Supply Voltage Vcc (V)

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