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參數資料
| 型號： | TPA032D04DCA |
| 廠商： | TEXAS INSTRUMENTS INC |
| 元件分類： | 音頻／視頻放大 |
| 英文描述： | 10 W, 2 CHANNEL, AUDIO AMPLIFIER, PDSO48 |
| 封裝： | GREEN, PLASTIC, HTSSOP-48 |
| 文件頁數： | 21/26頁 |
| 文件大小： | 439K |
| 代理商： | TPA032D04DCA |
TPA032D04
10W STEREO CLASSD AUDIO POWER AMPLIFIER
SLOS203B DECEMBER 1999 REVISED JUNE 2000
5
TI.COM
absolute maximum ratings over operating free-air temperature range, TC = 25°C (unless otherwise
noted)
Supply voltage, (VDD, PVDD, LPVDD, RPVDD)
14 V
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Headphone supply voltage, (HPVCC)
5.5 V
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Input voltage, VI (MUTE, MODE, SHUTDOWN)
0.3 V to 7 V
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Output current, IO (FAULT0, FAULT1), open drain terminated
1 mA
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Supply/load voltage, (FAULT0, FAULT1)
7 V
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Charge pump voltage, VCP
PVDD + 20 V
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Continuous H-bridge output current (1 H-bridge conducting)
3.5 A
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Pulsed H-Bridge output current, each output, Imax (see Note 1)
7 A
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Continuous HPREG output current, IO (HPREG)
150 mA
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Continuous total power dissipation, TC = 25°C
See Dissipation Rating Table
. . . . . . . . . . . . . . . . . . . . . . . . . . .
Operating virtual junction temperature range, TJ
40
°C to 150°C
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Operating case temperature range, TC
40
°C to 125°C
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Storage temperature range, Tstg
65
°C to 260°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.
NOTE 1: Pulse duration = 10 ms, duty cycle
v 2%
DISSIPATION RATING TABLE
PACKAGE
TA ≤ 25°C
POWER RATING
DERATING FACTOR
ABOVE TA = 25°C
TA = 70°C
POWER RATING
TA = 85°C
POWER RATING
DCA
5.6 W
44.8 mW/
°C
3.6 W
2.9 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
NOM
MAX
UNIT
Supply voltage, VDD, PVDD, LPVDD, RPVDD
8
14
V
Headphone supply voltage, HPVCC
4.5
5.5
V
High-level input voltage, VIH (MUTE, MODE, SHUTDOWN)
2
VDD + 0.3 V
V
Low-level input voltage, VIL (MUTE, MODE, SHUTDOWN)
0.3
0.8
V
Audio inputs, LINN, LINP, RINN, RINP, HPLIN, HPRIN, differential input voltage
1
VRMS
PWM frequency
100
250
500
kHZ
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