參數(shù)資料
型號： TPA0202PWPR
廠商： TEXAS INSTRUMENTS INC
元件分類： 音頻／視頻放大
英文描述： 2.2 W, 2 CHANNEL, AUDIO AMPLIFIER, PDSO24
封裝： GREEN, PLASTIC, HTSSOP-24
文件頁數(shù)： 34/45頁
文件大?。?/td> 1035K
代理商： TPA0202PWPR
TPA0202
2-W STEREO AUDIO POWER AMPLIFIER
SLOS205B – FEBRUARY 1998 – REVISED DECEMBER 2000
4
POST OFFICE BOX 655303
DALLAS, TEXAS 75265
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
– 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
PWP
2.7 W
21.8 mW/
°C
1.7 W
1.4 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
3
5
5.5
V
VDD = 5 V,
250 mW/ch average power,
4-
stereo BTL drive,
with proper PCB design
–40
85
Operating free-air temperature, TA
VDD = 5 V,
2 W/ch average power,
3-
stereo BTL drive,
with proper PCB design
and 300 CFM forced-air
cooling
–40
85
°C
Common mode input voltage VICM
VDD = 5 V
1.25
4.5
V
Common mode input voltage, VICM
VDD = 3.3 V
1.25
2.7
V
dc electrical characteristics, TA = 25°C
PARAMETER
TEST CONDITIONS
TYP
MAX
UNIT
Stereo BTL
19
30
mA
VDD =5V
Stereo SE
9
18
mA
VDD = 5 V
Mono BTL
9
18
mA
IDD
Supply current
Mono SE
3
10
mA
IDD
Supply current
Stereo BTL
13
20
mA
VDD =3 3V
Stereo SE
5
10
mA
VDD = 3.3 V
Mono BTL
5
10
mA
Mono SE
3
6
mA
VOO
Output offset voltage (measured differentially)
VDD = 5 V,
Gain = 2,
See Note 1
5
25
mV
IDD(MUTE) Supply current in mute mode
VDD = 5 V
1.5
mA
IDD(SD)
IDD in shutdown
VDD = 5 V
5
20
A
NOTE 1: At 3 V < VDD < 5 V the dc output voltage is approximately VDD/2.
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