TPA6140A2_15 datasheet(11/30 Pages) TI

Part #	TPA6140A2

Description	CLASS-G DIRECTPATH??STEREO HEADPHONE AMPLIFIER WITH I2C VOLUME CONTROL

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Manufacturer	TI [Texas Instruments]

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PO − Total Output Power − mW

f = 1 kHz

RL = 16 Ω

0.001

0.01

100

10

1

G017

10

0.1

VDD = 2.5 V

1

VDD = 3.6 V

VDD = 5 V

PO − Total Output Power − mW

f = 1 kHz

RL = 32 Ω

0.001

0.01

100

10

1

G018

10

0.1

VDD = 2.5 V

1

VDD = 3.6 V

VDD = 5 V

VDD − Supply Voltage − V

0.0

0.2

0.4

0.6

0.8

1.0

1.2

1.4

1.6

1.8

2.0

2.5

3.0

3.5

4.0

4.5

5.0

5.5

f = 1 kHz

THD+N = 1%

G020

RL = 1 kΩ

RL = 600 Ω

RL = 16 Ω

RL = 32 Ω

PO − Total Output Power − mW

0.01

0.1

1

100

G019

10

RL = 16 Ω

1k

100

10

1

RL = 32 Ω

TPA6140A2

www.ti.com................................................................................................................................................. SLOS598A – MARCH 2009 – REVISED OCTOBER 2009

TYPICAL CHARACTERISTICS (continued)

TA = 25°C, AVDD (VDD) = 3.6 V, GAIN = 0 dB, CHPVDD = CHPVSS = 2.2 μF, CINPUT = CFLYING = 1 μF, Outputs out of phase

SUPPLY CURRENT

vs

TOTAL OUTPUT POWER

Figure 19.

Figure 20.

TOTAL POWER DISSIPATION

OUTPUT VOLTAGE

vs

TOTAL OUTPUT POWER

SUPPLY VOLTAGE

Figure 21.

Figure 22.

11

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