DRV612_15 Datasheet, PDF (13/24 Pages) Texas Instruments – 2-Vrms DirectPath™ Line Driver With Programmable-Fixed Gain

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DRV612
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.
1
14
1
14
IN_LEFT
OUT_LEFT
MUTE
APPLICATION CIRCUIT
2
1
C11 2.2 mF
1
2
C13 1 mF
GND
U11
1
-IN_L
2
OUT_L
3
GND
4
MUTE
5
VSS
6
CN
7
NC
14
-IN_R
13
OUT_R
12
GAIN
11
GND
10
VDD
9
CP
8
NC
2
1
C12 2.2 mF
1
2
R11 49 kW
1
2
C15 1 mF
GND
IN_RIGHT
OUT_RIGHT
+3.3 V
IN_LEFT
2
1
C21 2.2 mF _U21
2
1
C14 1 mF
2
1
C22 2.2 mF
IN_RIGHT
OUT_LEFT
MUTE
GND
1
OUT_L
12
OUT_R
2
GND
3
GND
DRV612RGT
11
GAIN
10
GND
4
MUTE
9
VDD
GND
OUT_RIGHT
+3.3 V
C25 R21
1 mF 49 kW
C23
1 mF
2
1
GND GND
C24 1 mF
GND
Figure 10. Single-Ended Input and Output, Gain Set to –1.5×
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