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TPA2005D1DRBR Datasheet(PDF) 4 Page - Texas Instruments

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No. de Pieza. TPA2005D1DRBR
Descripción  1.4-W MONO FILTER-FREE CLASS-D AUDIO POWER AMPLIFIER
Descarga  32 Pages
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Fabricante  TI1 [Texas Instruments]
Página de inicio  http://www.ti.com
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TPA2005D1DRBR Datasheet(HTML) 4 Page - Texas Instruments

 
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PIN ASSIGNMENTS
(A1)
(B1)
(A4)
(C4)
(D4)
(SIDE VIEW)
MicroStar Juniort (GQY) PACKAGE
(TOP VIEW)
NC
VDD
SHUTDOWN
IN+
IN−
VO−
VDD
VO+
NOTES A. The shaded terminals are used for electrical and thermal connections to the ground plane. All the shaded terminals need to be electrical
connected to ground. No connect (NC) terminals still need a pad and trace.
B. The thermal pad of the DRB and DGN packages must be electrically and thermally connected to a ground plane.
(C1)
(D1)
(B4)
GND
8
SHUTDOWN
NC
IN+
IN−
VO−
GND
VDD
VO+
8-PIN QFN (DRB) PACKAGE
(TOP VIEW)
7
6
5
1
2
3
4
NC − No internal connection
VO−
GND
VDD
VO+
8
7
6
5
1
2
3
4
SHUTDOWN
NC
IN+
IN−
8-PIN MSOP (DGN) PACKAGE
(TOP VIEW)
_
+
_
+
_
+
_
+
150 k
150 k
_
+
_
+
Deglitch
Logic
Deglitch
Logic
Gate
Drive
Gate
Drive
VDD
Short
Circuit
Detect
Startup
& Thermal
Protection
Logic
Ramp
Generator
Biases
and
References
TTL
Input
Buffer
SD
Gain = 2 V/V
B4, C4
VDD
A4
VO−
D4
VO+
GND
D1
IN−
C1
IN+
A1
SHUTDOWN
A2, A3, B3, C2, C3, D2, D3
(terminal labels for MicroStar Junior
package)
TPA2005D1
SLOS369F – JULY 2002 – REVISED JULY 2008............................................................................................................................................................... www.ti.com
Terminal Functions
TERMINAL
I/O
DESCRIPTION
NAME
ZQY, GQY
DRB, DGN
IN-
D1
4
I
Negative differential input
IN+
C1
3
I
Positive differential input
VDD
B4, C4
6
I
Power supply
VO+
D4
5
O
Positive BTL output
A2, A3, B3, C2, C3,
GND
7
I
High-current ground
D2, D3
VO-
A4
8
O
Negative BTL output
SHUTDOWN
A1
1
I
Shutdown terminal (active low logic)
NC
B1
2
No internal connection
Thermal Pad
Must be soldered to a grounded pad on the PCB.
FUNCTIONAL BLOCK DIAGRAM
4
Submit Documentation Feedback
Copyright © 2002–2008, Texas Instruments Incorporated
Product Folder Link(s): TPA2005D1


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