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TPA3122D2 データシート(PDF) 2 Page - Texas Instruments

部品番号 TPA3122D2
部品情報  15-W STEREO CLASS-D AUDIO POWER AMPLIFIER
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メーカー  TI1 [Texas Instruments]
ホームページ  http://www.ti.com
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TPA3122D2 データシート(HTML) 2 Page - Texas Instruments

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PVCCL
SD
MUTE
LIN
RIN
BYPASS
AGND
AGND
PVCCR
VCLAMP
PGNDL
LOUT
BSL
AVCC
AVCC
GAIN0
GAIN1
BSR
ROUT
PGNDR
TPA3122D2
SLOS527A – DECEMBER 2007 – REVISED DECEMBER 2007
These devices have limited built-in ESD protection. The leads should be shorted together or the device placed in conductive foam
during storage or handling to prevent electrostatic damage to the MOS gates.
N (DIP) PACKAGE
(TOP VIEW)
TERMINAL FUNCTIONS
TERMINAL
I/O
DESCRIPTION
20-PIN
NAME
(DIP)
Shutdown signal for IC (low = disabled, high = operational). TTL logic levels with compliance to
SD
2
I
AVCC.
RIN
5
I
Audio input for right channel.
LIN
4
I
Audio input for left channel.
GAIN0
15
I
Gain select least significant bit. TTL logic levels with compliance to AVCC.
GAIN1
14
I
Gain select most significant bit. TTL logic levels with compliance to AVCC.
Mute signal for quick disable/enable of outputs (high = outputs switch at 50% duty cycle; low =
MUTE
3
I
outputs enabled). TTL logic levels with compliance to AVCC.
BSL
18
I/O
Bootstrap I/O for left channel.
PVCCL
1
Power supply for left channel H-bridge, not internally connected to PVCCR or AVCC.
LOUT
19
O
Class-D
-H-bridge positive output for left channel.
PGNDL
20
Power ground for left channel H-bridge.
VCLAMP
9
Internally generated voltage supply for bootstrap capacitors.
BSR
13
I/O
Bootstrap I/O for right channel.
ROUT
12
O
Class-D
-H-bridge negative output for right channel.
PGNDR
11
Power ground for right channel H-bridge.
PVCCR
10
Power supply for right channel H-bridge, not connected to PVCCL or AVCC.
AGND
8
Analog ground for digital/analog cells in core.
AGND
7
Analog Ground for analog cells in core.
Reference for pre-amplifier inputs. Nominally equal to AVCC/8. Also controls start-up time via
BYPASS
6
O
external capacitor sizing.
AVCC
16, 17
High-voltage analog power supply. Not internally connected to PVCCR or PVCCL
2
Submit Documentation Feedback
Copyright © 2007, Texas Instruments Incorporated
Product Folder Link(s) :TPA3122D2


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