SN012020 datasheet(7/40 Pages) TI

No. de pieza	SN012020

Descripción Electrónicos	TPA2015D1 2-W Constant Output Power Class-D Audio Amplifier With Adaptive Boost Converter and Battery Tracking Speakerguard™ AGC

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Fabricante Electrónico	TI [Texas Instruments]

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7.7 Typical Characteristics

VBAT = 3.6 V, Gain = 6 dB, CI = 1 µF, CBOOST = 22 µF, LBOOST = 2.2 µH, AGC = Float, ENB = END = VBAT, and

Load = 8 Ω + 33 µH unless otherwise specified.

SPACER

VBAT − V

2.3

2.6

2.9

3.2

3.5

3.8

4.1

4.4

4.7

5.0

0

2m

4m

6m

8m

10m

Gain = 20 dB

AGC = Float

RL = 8 Ω + 33 µH

Figure 7-1. Quiescent Supply Current vs Supply

Voltage

Frequency − Hz

0

2k

4k

6k

8k

10k 12k 14k 16k 18k 20k 22k 24k

−150

−140

−130

−120

−110

−100

−90

−80

Gain = 20 dB

AGC = Float

RL = 8 Ω + 33 µH

No Input Signal

Figure 7-2. A-Weighted Output Noise vs Frequency

PO − Output Power − W

0.0

0.5

1.0

1.5

2.0

2.5

0.0

0.2

0.4

0.6

0.8

1.0

VBAT = 3.0 V

VBAT = 3.6 V

VBAT = 4.2 V

Gain = 20 dB

RL = 8 Ω + 33 µH

f = 1 kHz

RAGC = Float

Figure 7-3. Supply Current vs Output Power

VIN − Input Voltage − Vp

0.0

0.5

1.0

1.5

2.0

2.5

3.0

3.5

4.0

4.5

0

1

2

3

4

5

6

VBAT = 2.5 V

VBAT = 2.7 V

VBAT = 3.0 V

VBAT = 3.3 V

VBAT = 3.6 V

VBAT = 4.2 V

VBAT = 5.0 V

Gain = 20 dB

RL = 8 Ω + 33 µH

RAGC = 27 kΩ

Figure 7-4. Peak Output Voltage vs Peak Input

Voltage

P

OutputPower

W

O –

–

0.01

0.1

1

2

0

20

40

60

80

100

VBAT =2.7V

VBAT =3.0V

VBAT =3.6V

VBAT =4.2V

VBAT =5.0V

Gain=20dB

R =8

+33 H

L

W

m

f=1kHz

AutoPassThrough

Boosted

Figure 7-5. Total Efficiency vs Output Power

PO − Output Power − W

1m

10m

100m

1

4

0.01

0.1

1

10

100

VBAT = 2.8 V

VBAT = 3.0 V

VBAT = 3.6 V

VBAT = 4.2 V

VBAT = 5.0 V

RL = 8 Ω + 33 µH

RAGC = Float, Boost Enabled

Gain = 6 dB, f = 1 kHz

Figure 7-6. Total Harmonic Distortion + Noise vs

Output Power

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TPA2015D1

SLOS638C – NOVEMBER 2011 – REVISED JUNE 2022

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