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參數(shù)資料
| 型號： | TPA0233DGQRG4 |
| 廠商： | TEXAS INSTRUMENTS INC |
| 元件分類： | 音頻／視頻放大 |
| 英文描述： | 2 W, 2 CHANNEL, AUDIO AMPLIFIER, PDSO10 |
| 封裝： | GREEN, PLASTIC, MSOP-10 |
| 文件頁數(shù)： | 20/26頁 |
| 文件大?。?/td> | 711K |
| 代理商： | TPA0233DGQRG4 |
TPA0233
2W MONO AUDIO POWER AMPLIFIER
WITH HEADPHONE DRIVE
SLOS278D JANUARY 2000 REVISED NOVEMBER 2002
3
POST OFFICE BOX 655303
DALLAS, TEXAS 75265
Terminal Functions
TERMINAL
I/O
DESCRIPTION
NAME
NO.
I/O
DESCRIPTION
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-
F to 1-F capacitor.
FILT_CAP
1
I
Terminal is used to filter supply.
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.
RIN
5
I
Right-channel input terminal
RO/MO+
6
O
Right-output in SE mode and mono positive output in BTL mode
SHUTDOWN
2
I
SHUTDOWN places the entire device in shutdown mode when held low. TTL compatible input.
ST/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.
VDD
3
I
VDD is the supply voltage terminal.
absolute maximum ratings over operating free-air temperature range (unless otherwise noted)
Supply voltage, VDD
6 V
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Input voltage range, 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
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
on page 33 of that 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
High-level input voltage, VIH
SHUTDOWN
2
V
ST/MN
VDD = 3 V
1.65
Low-level input voltage, VIL
ST/MN
VDD = 5 V
2.75
V
Low-level input voltage, VIL
SHUTDOWN
0.8
V
Operating free-air temperature, TA
40
85
°C
PowerPAD is a trademark of Texas Instruments.
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