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TPA6130A2 Datasheet(PDF) 3 Page - Texas Instruments

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Part No. TPA6130A2
Description  138-mW DIRECTPATH STEREO HEADPHONE AMPLIFIER WITH I2C VOLUME CONTROL
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Maker  TI [Texas Instruments]
Homepage  http://www.ti.com
Logo TI - Texas Instruments

TPA6130A2 Datasheet(HTML) 3 Page - Texas Instruments

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VDD
GND
CPP
CPN
LEFTINM
LEFTINP
CPVSS
HPLEFT
RIGHTINM
RIGHTINP
GND
VDD
SD
SDA
SCL
HPRIGHT
A1
A2
A3
A4
B1
B2
B3
B4
C1
C2
C3
C4
D1
D2
D3
D4
Top(SymbolSide)ViewWCSP Package(YZH)
VDD
GND
CPP
CPN
LEFTINM
LEFTINP
CPVSS
HPLEFT
RIGHTINM RIGHTINP
GND
VDD
SD
SDA
SCL
HPRIGHT
A1
A2
A3
A4
B1
B2
B3
B4
C1
C2
C3
C4
D1
D2
D3
D4
Bottom(BallSide)ViewWCSP Package(YZH)
1
2
4
5
15
14
12
11
17
18
19
20
9
8
7
6
CPVSS
HPLEFT
HPRIGHT
RIGHTINP
LEFTINM
LEFTINP
RIGHTINM
T opView
VDD
3
GND
10
13
GND
16
TopViewQFNPackage(RTJ)
TPA6130A2
SLOS488A – NOVEMBER 2006 – REVISED DECEMBER 2006
TERMINAL FUNCTIONS
TERMINAL
INPUT/
OUTPUT/
DESCRIPTION
BALL
POWER
NAME
PIN QFN
WCSP
(I/O/P)
Charge pump voltage supply. VDD must be connected to the common VDD voltage
VDD
A4
20
P
supply. Decouple to GND (pin 19 on the QFN) with its own 1
µF capacitor.
Charge pump ground. GND must be connected to common supply GND. It is
GND
A3
19
P
recommended that this pin be decoupled to the VDD of the charge pump pin (pin 20 on
the QFN).
Charge pump flying capacitor positive terminal. Connect one side of the flying capacitor
CPP
A2
18
P
to CPP.
Charge pump flying capacitor negative terminal. Connect one side of the flying capacitor
CPN
A1
17
P
to CPN.
Left channel negative differential input. Impedance must be matched to LEFTINP.
LEFTINM
B4
1
I
Connect the left input to LEFTINM when using single-ended inputs.
Left channel positive differential input. Impedance must be matched to LEFTINM. AC
LEFTINP
B3
2
I
ground LEFTINP near signal source while maintaining matched impedance to LEFTINM
when using single-ended inputs.
Negative supply generated by the charge pump. Decouple to pin 19 on the QFN or a
CPVSS
B2
15, 16
P
GND plane. Use a 1
µF capacitor.
HPLEFT
B1
14
O
Headphone left channel output. Connect to left terminal of headphone jack.
Right channel negative differential input. Impedance must be matched to RIGHTINP.
RIGHTINM
C4
5
I
Connect the right input to RIGHTINM when using single-ended inputs.
Right channel positive differential input. Impedance must be matched to RIGHTINM. AC
RIGHTINP
C3
4
I
ground RIGHTINP near signal source while maintaining matched impedance to
RIGHTINM when using single-ended inputs.
Analog ground. Must be connected to common supply GND. It is recommended that this
3, 9, 10,
GND
C2
P
pin be used to decouple VDD for analog. Use pin 13 to decouple pin 12 on the QFN
13
package.
Analog VDD. VDD must be connected to common VDD supply. Decouple with its own
VDD
C1
12
P
1-
µF capacitor to analog ground (pin 13 on the QFN).
SD
D4
6
I
Shutdown. Active low logic. 5V tolerant input.
SDA
D3
7
I/O
SDA - I2C Data. 5V tolerant input.
SCL
D2
8
I
SCL - I2C Clock. 5V tolerant input.
HPRIGHT
D1
11
O
Headphone light channel output. Connect to the right terminal of the headphone jack.
Thermal
Solder the thermal pad on the bottom of the QFN package to the GND plane of the
N/A
Die Pad
P
pad
PCB. It is required for mechanical stability and will enhance thermal performance.
3


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