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TPA3111D1-Q1 Datenblatt(PDF) 3 Page - Texas Instruments

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Teilenummer TPA3111D1-Q1
Bauteilbeschribung  Filter-Free Mono Class-D Audio Power Amplifier
Download  31 Pages
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Hersteller  TI1 [Texas Instruments]
Direct Link  http://www.ti.com
Logo TI1 - Texas Instruments

TPA3111D1-Q1 Datenblatt(HTML) 3 Page - Texas Instruments

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Thermal
Pad
1
SD
28
PVCC
2
FAULT
27
PVCC
3
GND
26
BSN
4
GND
25
OUTN
5
GAIN0
24
PGND
6
GAIN1
23
OUTN
7
AVCC
22
BSN
8
AGND
21
BSP
9
GVDD
20
OUTP
10
PLIMIT
19
PGND
11
INN
18
OUTP
12
INP
17
BSP
13
NC
16
PVCC
14
AVCC
15
PVCC
TPA3111D1-Q1
www.ti.com
SLOS759E – MARCH 2012 – REVISED DECEMBER 2015
5 Pin Configuration and Functions
PWP Package
28-Pin HSSOP With PowerPAD™
Top View
Pin Functions
PIN
TYPE
DESCRIPTION
NAME
NO.
AGND
8
Analog supply ground, connect to the thermal pad.
AVCC
7
P
Analog supply
AVCC
14
P
Connect AVCC supply to this pin
BSN
22, 26
I
Bootstrap I/O for negative high-side FET
BSP
17, 21
I
Bootstrap I/O for positive high-side FET
Open drain output used to display short circuit or DC-detect fault status. Voltage compliant to AVCC. Short
FAULT
2
O
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.
GAIN0
5
I
Gain select least significant bit. TTL logic levels with compliance to AVCC.
GAIN1
6
I
Gain select most significant bit. TTL logic levels with compliance to AVCC.
GND
3, 4
Connect to local ground
High-side FET gate drive supply, nominal voltage is 7 V. This pin can also be used as supply for PLIMIT
GVDD
9
O
divider. Add a 1-
μF capacitor to ground at this pin.
INN
11
I
Negative audio input, biased at 3 V.
INP
12
I
Positive audio input, biased at 3 V.
NC
13
Not connected
OUTN
23, 25
O
Class-D H-bridge negative output
OUTP
18, 20
O
Class-D H-bridge positive output
PGND
19, 24
Power ground for the H-bridges
Power limit level adjust. Connect directly to GVDD pin for no power limiting. Add a 1-
μF capacitor to
PLIMIT
10
I
ground at this pin.
15, 16,
PVCC
P
Power supply for H-bridge. PVCC pins are also connected internally.
27, 28
Shutdown logic input for audio amplifier (LOW = outputs Hi-Z, HIGH = outputs enabled). TTL logic levels
SD
1
I
with compliance to AVCC.
Copyright © 2012–2015, Texas Instruments Incorporated
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