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TPA122DGN Scheda tecnica(PDF) 2 Page - Texas Instruments

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Il numero della parte TPA122DGN
Spiegazioni elettronici  150-mW STEREO AUDIO POWER AMPLIFIER
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Produttore elettronici  TI [Texas Instruments]
Homepage  http://www.ti.com
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TPA122DGN Scheda tecnica(HTML) 2 Page - Texas Instruments

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ABSOLUTE MAXIMUM RATINGS
DISSIPATION RATING TABLE
TPA122
SLOS211E – AUGUST 1998 – REVISED JUNE 2004
These devices have limited built-in ESD protection. The leads should be shorted together or the device
placed in conductive foam during storage or handling to prevent electrostatic damage to the MOS gates.
AVAILABLE OPTIONS
PACKAGED DEVICES
MSOP
TA
SMALL OUTLINE(1)
MSOP(1)
SYMBOLIZATION
(D)
(DGN)
–40
°C to 85°C
TPA122D
TPA122DGN
TI AAE
(1)
The D and DGN packages are available in left-ended tape and reel only (e.g., TPA122DR,
TPA122DGNR).
Terminal Functions
TERMINAL
I/O
DESCRIPTION
NAME
NO.
BYPASS
3
I
Tap to voltage divider for internal mid-supply bias supply. Connect to a 0.1 µF to 1 µF low ESR capacitor
for best performance.
GND
4
I
GND is the ground connection.
IN1-
2
I
IN1- is the inverting input for channel 1.
IN2-
6
I
IN2- is the inverting input for channel 2.
SHUTDOWN
5
I
Puts the device in a low quiescent current mode when held high
VDD
8
I
VDD is the supply voltage terminal.
VO1
1
O
VO1 is the audio output for channel 1.
VO2
7
O
VO2 is the audio output for channel 2.
over operating free-air temperature range (unless otherwise noted)(1)
UNIT
VDD
Supply voltage
6 V
VI
Input voltage
–0.3 V to VDD + 0.3 V
Continuous total power dissipation
Internally limited
TJ
Operating junction temperature range
–40
°C to 150°C
Tstg
Storage temperature range
–65
°C to 150°C
Lead temperature 1,6 mm (1/16 inch) from case for 10 seconds
260
°C
(1)
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.
TA ≤ 25°C
DERATING FACTOR
TA = 70°C
TA = 85°C
PACKAGE
POWER RATING
ABOVE TA = 25°C
POWER RATING
POWER RATING
D
725 mW
5.8 mW/
°C
464 mW
377 mW
DGN
2.14 W(1)
17.1 mW/
°C
1.37 W
1.11 W
(1)
See the Texas Instruments document, PowerPAD Thermally Enhanced Package Application Report
(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 of that document.
2


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