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TPA6133A2RTJR データシート(PDF) 3 Page - Texas Instruments

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部品番号 TPA6133A2RTJR
部品情報  138-mW DirectPath Stereo Headphone Amplifier
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メーカー  TI1 [Texas Instruments]
ホームページ  http://www.ti.com
Logo TI1 - Texas Instruments

TPA6133A2RTJR データシート(HTML) 3 Page - Texas Instruments

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Top View
LEFTINM
LEFTINP
GND
RIGHTINP
RIGHTINM
HPRIGHT
VDD
GND
HPLEFT
CPVSS
TPA6133A2
www.ti.com
SLOS821B – JUNE 2013 – REVISED SEPTEMBER 2014
6 Pin Configuration and Functions
RTJ Package
(Top VIEW)
Pin Functions
PIN
INPUT,
OUTPUT,
DESCRIPTION
NAME
NUMBER
POWER
Left channel negative differential input. Impedance must be matched to LEFTINP. Connect the left
LEFTINM
1
I
input to LEFTINM when using single-ended inputs.
Left channel positive differential input. Impedance must be matched to LEFTINM. AC ground
LEFTINP
2
I
LEFTINP near signal source while maintaining matched impedance to LEFTINM when using single-
ended inputs.
Right channel positive differential input. Impedance must be matched to RIGHTINM. AC ground
RIGHTINP
4
I
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 pin be
GND
3, 9, 10, 13
P
used to decouple VDD for analog. Use pin 13 to decouple pin 12 on the QFN package.
Right channel negative differential input. Impedance must be matched to RIGHTINP. Connect the
RIGHTINM
5
I
right input to RIGHTINM when using single-ended inputs.
SD
6
I
Shutdown. Active low logic. 5V tolerant input.
TEST2
7
I
Factory test pins. Pull up to VDD supply. See Applications Diagram.
TEST1
8
I
Factory test pins. Pull up to VDD supply. See Applications Diagram.
HPRIGHT
11
O
Headphone light channel output. Connect to the right terminal of the headphone jack.
Analog VDD. VDD must be connected to common VDD supply. Decouple with its own 1-μF capacitor
VDD
12
P
to analog ground (pin 13).
HPLEFT
14
O
Headphone left channel output. Connect to left terminal of headphone jack.
Negative supply generated by the charge pump. Decouple to pin 19 or a GND plane. Use a 1
μF
CPVSS
15, 16
P
capacitor.
CPN
17
P
Charge pump flying capacitor negative terminal. Connect one side of the flying capacitor to CPN.
CPP
18
P
Charge pump flying capacitor positive terminal. Connect one side of the flying capacitor to CPP.
Charge pump ground. GND must be connected to common supply GND. It is recommended that
GND
19
P
this pin be decoupled to the VDD of the charge pump pin (pin 20 on the QFN).
Charge pump voltage supply. VDD must be connected to the common VDD voltage supply. Decouple
VDD
20
P
to GND (pin 19 ) with its own 1
μF capacitor.
Solder the thermal pad on the bottom of the QFN package to the GND plane of the PCB. It is
Thermal pad
Die Pad
P
required for mechanical stability and will enhance thermal performance.
Copyright © 2013–2014, Texas Instruments Incorporated
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