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TPA3250D2DDWR Arkusz danych(PDF) 4 Page - Texas Instruments

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Numer części TPA3250D2DDWR
Szczegółowy opis  70-W Stereo, 130-W peak PurePath Ultra-HD Pad Down Class-D Amplifier
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Producent  TI1 [Texas Instruments]
Strona internetowa  http://www.ti.com
Logo TI1 - Texas Instruments

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TPA3250D2
SLASE99 – DECEMBER 2015
www.ti.com
Pin Functions
PIN
I/O
DESCRIPTION
NAME
NO.
AVDD
9
P
Internal voltage regulator, analog section
BST_A
23
P
HS bootstrap supply (BST), external 0.033
μF capacitor to OUT_A required.
BST_B
24
P
HS bootstrap supply (BST), external 0.033
μF capacitor to OUT_B required.
BST_C
43
P
HS bootstrap supply (BST), external 0.033
μF capacitor to OUT_C required.
BST_D
44
P
HS bootstrap supply (BST), external 0.033
μF capacitor to OUT_D required.
CLIP_OTW
2
O
Clipping warning and Over-temperature warning; open drain; active low
C_START
8
O
Startup ramp, requires a charging capacitor to GND
DVDD
12
P
Internal voltage regulator, digital section
FAULT
4
O
Shutdown signal, open drain; active low
FREQ_ADJ
15
O
Oscillator frequency programming pin
10, 11, 25, 26,
P
GND
Ground
33, 34, 41, 42
GVDD_AB
22
P
Gate-drive voltage supply; AB-side, requires 0.1 µF capacitor to GND
GVDD_CD
1
P
Gate-drive voltage supply; CD-side, requires 0.1 µF capacitor to GND
INPUT_A
17
I
Input signal for half bridge A
INPUT_B
18
I
Input signal for half bridge B
INPUT_C
7
I
Input signal for half bridge C
INPUT_D
6
I
Input signal for half bridge D
M1
20
I
Mode selection 1 (LSB)
M2
19
I
Mode selection 2 (MSB)
OC_ADJ
16
I/O
Over-Current threshold programming pin
OSC_IOM
14
I/O
Oscillator synchronization interface
OSC_IOP
13
O
Oscillator synchronization interface
OUT_A
27, 28
O
Output, half bridge A
OUT_B
32
O
Output, half bridge B
OUT_C
35
O
Output, half bridge C
OUT_D
39, 40
O
Output, half bridge D
PVDD_AB
29, 30, 31
P
PVDD supply for half-bridge A and B
PVDD_CD
36, 37, 38
P
PVDD supply for half-bridge C and D
RESET
5
I
Device reset Input; active low
VDD
21
P
Power supply for internal voltage regulator requires a 10-µF capacitor with a 0.1-µF capacitor to GND for decoupling.
VBG
3
P
Internal voltage reference requires a 0.1-µF capacitor to GND for decoupling.
PowerPAD™
P
Ground, connect to PCB copper pour. Placed on bottom side of device.
Table 1. Mode Selection Pins
MODE PINS
OUTPUT
INPUT MODE
DESCRIPTION
CONFIGURATION
M2
M1
0
0
2N + 1
2 × BTL
Stereo BTL output configuration
0
1
2N/1N + 1
1 x BTL + 2 x SE
2.1 BTL + SE mode
1
0
2N + 1
1 x PBTL
Parallelled BTL configuration. Connect INPUT_C and INPUT_D to GND.
1
1
1N +1
4 x SE
Single ended output configuration
4
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Copyright © 2015, Texas Instruments Incorporated
Product Folder Links: TPA3250D2


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