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TPA3004D2 데이터시트(PDF) 5 Page - Texas Instruments

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부품명 TPA3004D2
상세설명  12-W STEREO CLASS-D AUDIO POWER AMPLIFIER WITH DC VOLUME CONTROL
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제조업체  TI [Texas Instruments]
홈페이지  http://www.ti.com
Logo TI - Texas Instruments

TPA3004D2 데이터시트(HTML) 5 Page - Texas Instruments

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TPA3004D2
SLOS407A – FEBRUARY 2003 – MARCH 2003
5
www.ti.com
Terminal Functions (Continued)
TERMINAL
I/O
DESCRIPTION
NO.
NAME
I/O
DESCRIPTION
VAROUTR
32
O
Variable output for right channel audio. Line level output for driving external HP amplifier.
VCLAMPL
25
Internally generated voltage supply for left channel bootstrap capacitors.
VCLAMPR
36
Internally generated voltage supply for right channel bootstrap capacitors.
VOLUME
11
I
DC voltage that sets the gain of the Class-D and VAROUT outputs.
VREF
8
I
Analog reference for gain control section.
V2P5
4
O
2.5-V Reference for analog cells, as well as reference for unused audio input when using single-ended
inputs.
Thermal
Pad
Connect to AGND and PGND—should be center point for both grounds.
absolute maximum ratings over operating free-air temperature range (unless otherwise noted)
Supply voltage range:
AVCC, PVCC
–0.3 V to 20 V
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Load impedance, RL
≥ 3.6 Ω
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Input voltage range, VI: MODE, VREF, VARDIFF, VARMAX, VOLUME, FADE
0 V to 5.5 V
. . . . . . . . . . . . . . . . . . . . .
SD
–0.3 V to VCC + 0.3 V
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
RINN, RINP, LINN, LINP
–0.3 V to 7 V
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Supply current:
AVDD
120 mA
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
AVDDREF
10 mA
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Output current,
VAROUTL, VAROUTR
20 mA
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Continuous total power dissipation
See Dissipation Rating Table
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Operating free-air temperature range, TA
– 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.
‡ The (TPA3004D2) incorporates an exposed PowerPAD on the underside of the chip. This acts as a heatsink and must be connected to a thermally
dissipating plane for proper power dissipation. Failure to do so may result in exceeding the maximum junction temperature that couldm
permanently damage the device. See TI Technical Brief SLMA002 for more information about utilizing the PowerPAD thermally enhanced
package.
DISSIPATION RATING TABLE
PACKAGE
TA ≤ 25°C
DERATING FACTOR
TA = 70°C
TA = 85°C
PHP
4.3 W
34.7 mW/
°C§
2.7 W
2.2 W
§ The PowerPAD must be soldered to a thermal land on the printed circuit board. Please refer to the PowerPAD
Thermally Enhanced Package application note (SLMA002).


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