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TPA0223 Scheda tecnica(PDF) 3 Page - Texas Instruments

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Il numero della parte TPA0223
Spiegazioni elettronici  2-W MONO AUDIO POWER AMPLIFIER WITH HEADPHONE DRIVE
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TPA0223 Scheda tecnica(HTML) 3 Page - Texas Instruments

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TPA0223
2-W MONO AUDIO POWER AMPLIFIER
WITH HEADPHONE DRIVE
SLOS277A – JANUARY 2000 – REVISED MARCH 2000
3
POST OFFICE BOX 655303
DALLAS, TEXAS 75265
Terminal Functions
TERMINAL
I/O
DESCRIPTION
NAME
NO.
I/O
DESCRIPTION
MONO-IN
1
I
Mono input terminal
SHUTDOWN
2
I
SHUTDOWN places the entire device in shutdown mode when held low. TTL compatible input.
VDD
3
I
VDD is the supply voltage terminal.
BYPASS
4
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.
RIN
5
I
Right-channel input terminal
RO/MO
6
O
Right-output in SE mode and mono positive output in BTL mode
SR/MN
7
I
Selects between stereo and mono mode. When held high, the amplifier is in SE stereo mode, while held
low, the amplifier is in BTL mono mode.
GND
8
Ground terminal
LIN
9
I
Left-channel input terminal
LO/MO
10
O
Left-output in SE mode and mono negative output in BTL 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
DGQ
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
ST/MN
VDD = 3 V
2.7
High-level input voltage, VIH
ST/MN
VDD = 5 V
4.5
V
SHUTDOWN
2
ST/MN
VDD = 3 V
1.65
Low-level input voltage, VIL
ST/MN
VDD = 5 V
2.75
V
SHUTDOWN
0.8
Operating free-air temperature, TA
–40
85
°C


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