TS4621B datasheet(13/48 Pages) STMICROELECTRONICS

No. de pieza	TS4621B

Descripción Electrónicos	High-performance class-G stereo headphone amplifier with I2C volume control

PDF	48 Pages

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Fabricante Electrónico	STMICROELECTRONICS [STMicroelectronics]

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13 / 48 page

TS4621B

Electrical characteristics

Doc ID 022194 Rev 2

13/48

Figure 4.

Current consumption vs. power

supply voltage

Figure 5.

Standby current consumption vs.

power supply voltage

2.4 2.6 2.8 3.0 3.2 3.4 3.6 3.8 4.0 4.2 4.4 4.6 4.8

0.0

0.2

0.4

0.6

0.8

1.0

1.2

1.4

1.6

No load; No input Signal

Both channels enabled

Ta = 25

°C

Power Supply Voltage Vcc (V)

No load; No input Signal

SDA=SCL = 0V

Ta = 25

°C

Figure 6.

Maximum output power vs. load

in-phase

Figure 7.

Maximum output power vs. load

out-of-phase

100

VCC=2.3V

VCC=3.6V

Inputs = 0

°, F = 1kHz

THD+N = 1%

Tamb = 25

°C

VCC=4.8V

RL Load resistance ( )

100

VCC=2.3V

VCC=3.6V

Inputs = 180

°, F = 1kHz

THD+N = 1%

Tamb = 25

°C

VCC=4.8V

RL Load resistance ( )

Figure 8.

Maximum output power vs. power

supply voltage, RL = 16

Figure 9.

Maximum output power vs. power

supply voltage, RL = 32

2.3

2.7

3.1

3.5

3.9

4.3

4.7

100

120

THD+N=10% (180

°)

THD+N=10% (0

°)

THD+N=1% (0

°)

RL = 16

Ω, F = 1kHz

BW < 30kHz, Tamb = 25

°C

THD+N=1% (180

°)

Power Supply Voltage Vcc (V)

2.3

2.7

3.1

3.5

3.9

4.3

4.7

THD+N=10% (180

°)

THD+N=10% (0

°)

THD+N=1% (0

°)

RL = 32

Ω, F = 1kHz

BW < 30kHz, Tamb = 25

°C

THD+N=1% (180

°)

Power Supply Voltage Vcc (V)

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