TPA2012D2RTJT datasheet(9/20 Pages) TI

Part #	TPA2012D2RTJT

Description	2.1 W/CH STEREO FILTER-FREE CLASS-D AUDIO POWER AMPLIFIER

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Manufacturer	TI [Texas Instruments]

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−75

−70

−65

−60

−55

−50

100

1 k

10 k

VDD = 2.5 V

VDD = 3.6 V

VDD = 5 V

f − Frequency − Hz

VIC = 1 VPP,

RL = 8 W,

AV = 6 dB

20 k

20

−100

−80

−60

−40

−20

0

20

0

1

2

3

4

5

VICR − Common-Mode Input Voltage Range − V

VDD = 5.5 V

VDD = 3.6 V

VDD = 2.5 V

t − Time − 2 ms/div

C1 − High, 3.6 V

C1 − Amp, 512 mV

C1 − Duty, 12%

−160

−140

−120

−100

−80

−60

−40

−20

0

500

1000

1500

2000

2500

−160

−140

−120

−100

−80

−60

−40

−20

0

CI = 1 mF,

Inputs AC Grounded,

AV = 6 dB

VDD = 3.6 V

Input

Output

f − Frequency − Hz

0

0.1

0.2

0.3

0.4

0.5

0.6

0.7

0

0.2

0.4

0.6

0.8

1

1.2

1.4

Class-AB,

VDD = 3.6 V

RL = 4 Ω

RL = 8 Ω

RL = 4 Ω

RL = 8 Ω

Powers are per Channel

QFN

PO − Output Power − W

Class-AB,

VDD = 3.6 V

−90

−80

−70

−60

−50

−40

−30

−20

−10

0

0.5

1

1.5

2

2.5

3

3.5

4

4.5

5

DC Common Mode Voltage − V

VDD = 2.7 V

VDD = 5 V

VDD = 3.6 V

RL = 8 W,

VIN = 200 mVPP

f = 217 Hz

TPA2012D2

SLOS438C – DECEMBER 2004 – REVISED MARCH 2007

TYPICAL CHARACTERISTICS (continued)

COMMOM-MODE

REJECTION RATIO

COMMON-MODE

GSM POWER

vs

REJECTION RATIO

SUPPLY REJECTION

COMMON-MODE

vs

INPUT VOLTAGE

FREQUENCY

TIME

Figure 19.

Figure 20.

Figure 21.

SUPLY VOLTAGE

POWER SUPPLY REJECTION

REJECTION RATIO

POWER DISSIPATION

vs

FREQUENCY

DC COMMON-MODE VOLTAGE

OUTPUT POWER

Figure 22.

Figure 23.

Figure 24.

9

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