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參數資料
| 型號： | TPA4861DR |
| 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： | 1/26頁 |
| 文件大?。?/td> | 623K |
| 代理商： | TPA4861DR |
www.ti.com
FEATURES
1
2
3
4
8
7
6
5
SHUTDOWN
BYPASS
IN+
IN–
VO2
GND
VDD
VO1
D PACKAGE
(TOP VIEW)
DESCRIPTION
Audio
Input
Bias
Control
VDD
1 W
6
5
8
7
VO1
VO2
VDD
1
2
3
4
IN+
IN–
BYPASS
SHUTDOWN
VDD/2
CI
RI
RF
CS
CB
–
+
–
+
GND
TPA4861
SLOS163C – SEPTEMBER 1996 – REVISED JUNE 2004
1-W MONO AUDIO POWER AMPLIFIER
1-W BTL Output (5 V, 0.11 % THD+N)
3.3-V and 5-V Operation
No Output Coupling Capacitors Required
Shutdown Control (IDD = 0.6 A)
Uncompensated Gains of 2 to 20 (BTL Mode)
Surface-Mount Packaging
Thermal and Short-Circuit Protection
High Supply Ripple Rejection Ratio (56 dB at
1 kHz)
LM4861 Drop-In Compatible
The TPA4861 is a bridge-tied load (BTL) audio power amplifier capable of delivering 1 W of continuous average
power into an 8-
load at 0.2% THD+N from a 5-V power supply in voiceband frequencies (f < 5 kHz). A BTL
configuration eliminates the need for external coupling capacitors on the output in most applications. Gain is
externally configured by means of two resistors and does not require compensation for settings of 2 to 20.
Features of the amplifier are a shutdown function for power-sensitive applications as well as internal thermal and
short-circuit protection. The TPA4861 works seamlessly with TI's TPA4860 in stereo applications. The amplifier
is available in an 8-pin SOIC surface-mount package that reduces board space and facilitates automated
assembly.
Please be aware that an important notice concerning availability, standard warranty, and use in critical applications of Texas
Instruments semiconductor products and disclaimers thereto appears at the end of this data sheet.
PRODUCTION DATA information is current as of publication date.
Copyright 1996–2004, Texas Instruments Incorporated
Products conform to specifications per the terms of the Texas
Instruments standard warranty. Production processing does not
necessarily include testing of all parameters.
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相關代理商/技術參數 |
參數描述 |
|---|---|
| TPA4861DRG4 | 功能描述:音頻放大器 1-W Mono Audio Power Amplifier RoHS:否 制造商:STMicroelectronics 產品:General Purpose Audio Amplifiers 輸出類型:Digital 輸出功率: THD + 噪聲: 工作電源電壓:3.3 V 電源電流: 最大功率耗散: 最大工作溫度: 安裝風格:SMD/SMT 封裝 / 箱體:TQFP-64 封裝:Reel |
| TPA-5 | 功能描述:保險絲 TELPOWER ALARM FUSE RoHS:否 制造商:Littelfuse 產品:Surface Mount Fuses 電流額定值:0.5 A 電壓額定值:600 V 保險絲類型:Fast Acting 保險絲大小/組:Nano 尺寸:12.1 mm L x 4.5 mm W 安裝風格: 端接類型:SMD/SMT 系列:485 |
| TPA-5,0-ADV | 制造商:PMK 功能描述:ADVANCED PROBE ACCESSORIES 5, 0MM 制造商:PMK 功能描述:ADVANCED PROBE ACCESSORIES 5, 0MM; Kit Contents:Probe Kit, 18 Piece; Body Diameter:5.0mm; For Use With:5mm PMK Probes; Primary Product 1:220mm Ground Lead with Crocodile Clips; Primary Product 2:Sprung Hook; Primary Product 3:Contact;RoHS Compliant: NA |
| TPA-5,0-BAS | 制造商:PMK 功能描述:BASIC PROBE ACCESSORIES 5, 0MM 制造商:PMK 功能描述:BASIC PROBE ACCESSORIES 5, 0MM; Kit Contents:Probe Kit, 4 Piece; Body Diameter:5.0mm; For Use With:5mm PMK Probes; Primary Product 1:220mm Ground Lead with Crocodile Clips; Primary Product 2:Sprung Hook; Primary Product 3:Contact ;RoHS Compliant: NA |
| TPA-5,0-L-BAS | 制造商:PMK 功能描述:BASIC PROBE ACCESSORIES 5, 0-L 制造商:PMK 功能描述:BASIC PROBE ACCESSORIES 5, 0-L; Kit Contents:Probe Kit, 4 Piece; Body Diameter:5.0mm; For Use With:5mm PMK Probes; Primary Product 1:220mm Ground Lead with Crocodile Clips; Primary Product 2:Sprung Hook; Primary Product 3:Contact ;RoHS Compliant: NA |
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