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參數資料
| 型號： | TPA4861DRG4 |
| 廠商： | TEXAS INSTRUMENTS INC |
| 元件分類： | 音頻／視頻放大 |
| 英文描述： | 1.1 W, 1 CHANNEL, AUDIO AMPLIFIER, PDSO8 |
| 封裝： | GREEN, PLASTIC, MS-012AA, SOIC-8 |
| 文件頁數： | 12/26頁 |
| 文件大小： | 623K |
| 代理商： | TPA4861DRG4 |
www.ti.com
ABSOLUTE MAXIMUM RATINGS
DISSIPATION RATING TABLE
RECOMMENDED OPERATING CONDITIONS
TPA4861
SLOS163C – SEPTEMBER 1996 – REVISED JUNE 2004
These devices have limited built-in ESD protection. The leads should be shorted together or the device
placed in conductive foam during storage or handling to prevent electrostatic damage to the MOS gates.
AVAILABLE OPTIONS
PACKAGED DEVICE
TA
SMALL OUTLINE(1) (D)
–40
°C to 85°C
TPA4861D
(1)
The D package is available tape and reeled. To order a tape and reeled part, add the suffix R to the part number (e.g., TPA4861DR).
Terminal Functions
TERMINAL
I/O
DESCRIPTION
NAME
NO.
BYPASS is the tap to the voltage divider for internal mid-supply bias. This terminal should be connected to a
BYPASS
2
I
0.1-F – 1.0-F capacitor when used as an audio power amplifier.
GND
7
GND is the ground connection.
IN-
4
I
IN- is the inverting input. IN- is typically used as the audio input terminal.
IN+
3
I
IN+ is the noninverting input. IN+ is typically tied to the BYPASS terminal.
SHUTDOWN
1
I
SHUTDOWN places the entire device in shutdown mode when held high (IDD ~ 0.6 A).
VO1
5
O
VO1 is the positive BTL output.
VO2
8
O
VO2 is the negative BTL output.
VDD
6
VDD is the supply voltage terminal.
over operating free-air temperature range (unless otherwise noted)(1)
UNIT
VDD
Supply voltage
6 V
VI
Input voltage
–0.3 V to VDD +0.3 V
Continuous total power dissipation
Internally Limited (see Dissipation Rating Table)
TA
Operating free-air temperature range
–40
°C to 85°C
TJ
Operating junction temperature range
–40
°C to 150°C
Tstg
Storage temperature range
–65
°C to 150°C
Lead temperature 1,6 mm (1/16 inch) from case for 10 seconds
260
°C
(1)
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.
PACKAGE
TA ≤ 25°C
DERATING FACTOR
TA = 70°C
TA = 85°C
D
725 mW
5.8 mW/
°C
464 mW
377 mW
MIN
MAX
UNIT
VDD
Supply voltage
2.7
5.5
V
VDD = 3 V
1.25
2.7
V
VIC
Common-mode input voltage
VDD = 5 V
1.25
4.5
V
TA
Operating free-air temperature
–40
85
°C
2
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