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TPA3140D2 Folha de dados(PDF) 4 Page - Texas Instruments

Nome de Peças TPA3140D2
Descrição Electrónicos  TPA3140D2 10-W Inductor Free Stereo (BTL) Class-D Audio Amplifier with Ultra Low EMI and AGL
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Fabricante Electrônico  TI [Texas Instruments]
Página de início  http://www.ti.com
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TPA3140D2 Folha de dados(HTML) 4 Page - Texas Instruments

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TPA3140D2
SLOS882A – JANUARY 2015 – REVISED APRIL 2015
www.ti.com
Pin Functions
PIN
I/O/P(1)
DESCRIPTION
NAME
NUMBER
Shutdown logic input for audio amp (LOW = outputs Hi-Z, HIGH = outputs enabled). TTL logic levels
SD
1
I
with compliance to AVCC.
Open drain output used to display short circuit or dc detect fault status. Voltage compliant to AVCC.
FAULT
2
O
Short circuit faults can be set to auto-recovery by connecting FAULT pin to SD pin. Otherwise, both
short circuit faults and dc detect faults must be reset by cycling PVCC.
LINP
3
I
Positive audio input for left channel. Biased at 3V. Connect to GND for PBTL mode.
LINN
4
I
Negative audio input for left channel. Biased at 3V. Connect to GND for PBTL mode.
Decay speed for clip free power limiter. Connect a resistor divider from GVDD to GND to set decay
LIMRATE
5
I
speed. Connect directly to GND to disconnect limiter.
GAIN
6
I
4-state Amplifier gain select. Connect a resistor divider from GVDD to GND to set closed loop gain.
Spread spectrum control. Connect a resistor divider from GVDD to GND to set mode. Connect to GND
SSCTRL
7
I
for disable spread spectrum.
LIMTHR
Voltage limit level for AGL and power limiter. Connect a resistor divider from GVDD to GND to set limit.
8
I
ES
Connect directly to GVDD to disconnect limiter
High-side FET gate drive supply. Nominal voltage is 7V. Also should be used as supply for LIMTHRES
GVDD
9
O
limit function
GND
10
P
Analog signal ground.
RINN
11
I
Negative audio input for right channel. Biased at 3V.
RINP
12
I
Positive audio input for right channel. Biased at 3V.
1SPW
13
I
Modulation scheme select. Low: BD mode, high: 1SPW mode.
AVCC
14
P
Analog supply
Power supply for right channel H-bridge. Right channel and left channel power supply inputs are
PVCC
15
P
connected internally.
Power supply for right channel H-bridge. Right channel and left channel power supply inputs are
PVCC
16
P
connected internally.
BSPR
17
I
Bootstrap I/O for right channel, positive high-side FET.
OUTPR
18
O
Class-D H-bridge positive output for right channel.
GND
19
P
Power ground for the H-bridges.
OUTNR
20
O
Class-D H-bridge negative output for right channel.
BSNR
21
I
Bootstrap I/O for right channel, negative high-side FET.
BSNL
22
I
Bootstrap I/O for left channel, negative high-side FET.
OUTNL
23
O
Class-D H-bridge negative output for left channel.
GND
24
P
Power ground for the H-bridges.
OUTPL
25
O
Class-D H-bridge positive output for left channel.
BSPL
26
I
Bootstrap I/O for left channel, positive high-side FET.
Power supply for left channel H-bridge. Right channel and left channel power supply inputs are
PVCC
27
P
connected internally.
Power supply for left channel H-bridge. Right channel and left channel power supply inputs are
PVCC
28
P
connected internally.
Thermal Pad
P
Connect to GND for best thermal and electrical performance
(1)
I = Input, O = Output, P = Power
4
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