1

14

1

14

C25

GND

C21

2

1

C22

2

1

GND

C23

C24

2

1

OUT_LEFT

MUTE

IN_LEFT

R21

OUT_RIGHT

+3.3 V

IN_RIGHT

U21

DRV612RGT

OUT_L

1

GND

2

GND

3

MUTE

4

GAIN

11

OUT_R

12

VDD

9

GND

10

GND

GND

GND

C15

2

1

GND

C11

2.2 F

m

2

1

C12

2

1

GND

U11

-IN_L

1

OUT_L

2

GND

3

MUTE

4

VSS

5

CN

6

NC

8

GND

11

GAIN

12

OUT_R

13

-IN_R

14

NC

7

CP

9

VDD

10

C13

1 F

m

2

1

C14

2

1

MUTE

IN_LEFT

OUT_LEFT

R11

49 kW

1

2

+3.3 V

IN_RIGHT

OUT_RIGHT

2.2 F

m

1 F

m

1 F

m

2.2 F

m

49 kW

1 F

m

1 F

m

1 F

m

2.2 F

m

DRV612

www.ti.com

SLOS690B

– DECEMBER 2010 – REVISED APRIL 2011

FOOTPRINT COMPATIBLE WITH TPA6139A2

The DRV612 stereo line driver is pin compatible with the headphone amplifier TPA6139A2. Therefore, a single

PCB layout can be used with stuffing options for different board configurations.

APPLICATION CIRCUIT

Figure 10. Single-Ended Input and Output, Gain Set to

–1.5×

Copyright

© 2010–2011, Texas Instruments Incorporated

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