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TPA311 Folha de dados(PDF) 2 Page - Texas Instruments

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Nome de Peças TPA311
Descrição Electrónicos  350-mW MONO AUDIO POWER AMPLIFIER
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Fabricante Electrônico  TI [Texas Instruments]
Página de início  http://www.ti.com
Logo TI - Texas Instruments

TPA311 Folha de dados(HTML) 2 Page - Texas Instruments

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TPA311
350-mW MONO AUDIO POWER AMPLIFIER
SLOS207B – JANUARY 1998 – REVISED MARCH 2000
2
POST OFFICE BOX 655303
DALLAS, TEXAS 75265
AVAILABLE OPTIONS
PACKAGED DEVICES
MSOP
TA
SMALL OUTLINE†
(D)
MSOP†
(DGN)
MSOP
Symbolization
–40
°C to 85°C
TPA311D
TPA311DGN
AAB
† The D and DGN packages are available taped and reeled. To order a taped and reeled part, add
the suffix R to the part number (e.g., TPA311DR).
Terminal Functions
TERMINAL
I/O
DESCRIPTION
NAME
NO.
I/O
DESCRIPTION
BYPASS
2
I
BYPASS is the tap to the voltage divider for internal mid-supply bias. This terminal should be connected
to a 0.1-
µF to 1-µF capacitor when used as an audio amplifier.
GND
7
GND is the ground connection.
IN
4
I
IN is the audio input terminal.
SE/BTL
3
I
When SE/BTL is held low, the TPA311 is in BTL mode. When SE/BTL is held high, the TPA311 is in SE
mode.
SHUTDOWN
1
I
SHUTDOWN places the entire device in shutdown mode when held high (IDD = 60 µA, VDD = 5 V).
VDD
6
VDD is the supply voltage terminal.
VO+
5
O
VO+ is the positive output for BTL and SE modes.
VO–
8
O
VO– is the negative output in BTL mode and a high-impedance output in SE mode.
absolute maximum ratings over operating free-air temperature range (unless otherwise noted)
Supply voltage, VDD
6 V
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Input voltage, VI
–0.3 V to VDD +0.3 V
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Continuous total power dissipation
internally limited (see Dissipation Rating Table)
. . . . . . . . . . . . . . . . . . . . .
Operating free-air temperature range, TA (see Table 3)
– 40
°C to 85°C
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Operating junction temperature range, TJ
–40
°C to 150°C
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Storage temperature range, Tstg
–65
°C to 150°C
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Lead temperature 1,6 mm (1/16 inch) from case for 10 seconds
260
°C
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
‡ Stresses beyond those listed under “absolute maximum ratings” may cause permanent damage to the device. These are stress ratings only, and
functional operation of the device at these or any other conditions beyond those indicated under “recommended operating conditions” is not
implied. Exposure to absolute-maximum-rated conditions for extended periods may affect device reliability.
DISSIPATION RATING TABLE
PACKAGE
TA ≤ 25°C
DERATING FACTOR
TA = 70°C
TA = 85°C
D
725 mW
5.8 mW/
°C
464 mW
377 mW
DGN
2.14 W§
17.1 mW/
°C
1.37 W
1.11 W
§ Please see the Texas Instruments document, PowerPAD Thermally Enhanced Package Application Report
(literature number SLMA002), for more information on the PowerPAD package. The thermal data was
measured on a PCB layout based on the information in the section entitled
Texas Instruments Recommended
Board for PowerPAD on page 33 of the before mentioned document.
recommended operating conditions
MIN
MAX
UNIT
Supply voltage, VDD
2.5
5.5
V
Operating free-air temperature, TA (see Table 3)
–40
85
°C


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