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TPA3120D2 Scheda tecnica(PDF) 2 Page - Texas Instruments

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Il numero della parte TPA3120D2
Spiegazioni elettronici  25-W STEREO CLASS-D AUDIO POWER AMPLIFIER
Download  27 Pages
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Produttore elettronici  TI [Texas Instruments]
Homepage  http://www.ti.com
Logo TI - Texas Instruments

TPA3120D2 Scheda tecnica(HTML) 2 Page - Texas Instruments

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PVCCL
SD
PVCCL
MUTE
LIN
RIN
BYPASS
AGND
AGND
PVCCR
VCLAMP
PVCCR
PGNDL
PGNDL
LOUT
BSL
AVCC
AVCC
GAIN0
GAIN1
BSR
ROUT
PGNDR
PGNDR
TPA3120D2
SLOS507C – MARCH 2007 – REVISED MAY 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.
PWP (TSSOP) PACKAGE
(TOP VIEW)
TERMINAL FUNCTIONS
TERMINAL
I/O/P
DESCRIPTION
24-PIN
NAME
(PWP)
Shutdown signal for IC (low = disabled, high = operational). TTL logic levels with compliance to
SD
2
I
AVCC.
RIN
6
I
Audio input for right channel.
LIN
5
I
Audio input for left channel.
GAIN0
18
I
Gain select least significant bit. TTL logic levels with compliance to AVCC.
GAIN1
17
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
4
I
outputs enabled). TTL logic levels with compliance to AVCC.
BSL
21
I/O
Bootstrap I/O for left channel.
PVCCL
1, 3
P
Power supply for left channel H-bridge, not internally connected to PVCCR or AVCC.
LOUT
22
O
Class-D 1/2-H-bridge positive output for left channel.
PGNDL
23, 24
P
Power ground for left channel H-bridge.
VCLAMP
11
P
Internally generated voltage supply for bootstrap capacitors.
BSR
16
I/O
Bootstrap I/O for right channel.
ROUT
15
O
Class-D 1/2-H-bridge negative output for right channel.
PGNDR
13, 14
P
Power ground for right channel H-bridge.
PVCCR
10, 12
P
Power supply for right channel H-bridge, not connected to PVCCL or AVCC.
AGND
9
P
Analog ground for digital/analog cells in core.
AGND
8
P
Analog Ground for analog cells in core.
Reference for pre-amplifier inputs. Nominally equal to AVCC/8. Also controls start-up time via
BYPASS
7
O
external capacitor sizing.
AVCC
19, 20
P
High-voltage analog power supply. Not internally connected to PVCCR or PVCCL
Connect to ground. Thermal Pad should be soldered down on all applications to properly
Thermal Pad
Die Pad
P
secure device to printed wiring board.
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