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參數資料
| 型號： | TPA711DR |
| 元件分類： | 運動控制電子 |
| 英文描述： | Single Audio Amplifier |
| 中文描述： | 單音頻放大器 |
| 文件頁數： | 1/32頁 |
| 文件大小： | 522K |
| 代理商： | TPA711DR |
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TPA711
700-mW MONO LOW-VOLTAGE AUDIO POWER AMPLIFIER
SLOS230C – NOVEMBER 1998 – REVISED APRIL 2001
1
POST OFFICE BOX 655303
DALLAS, TEXAS 75265
Fully Specified for 3.3-V and 5-V Operation
Wide Power Supply Compatibility
2.5 V – 5.5 V
Output Power
– 700 mW at V
DD
= 5 V, BTL, R
L
= 8
– 85 mW at V
DD
= 5 V, SE, R
L
= 32
– 250 mW at V
DD
= 3.3 V, BTL, R
L
= 8
– 37 mW at V
DD
= 3.3 V, SE, R
L
= 32
Shutdown Control
– I
DD
= 7
μ
A at 3.3 V
– I
DD
= 50
μ
A at 5 V
BTL to SE Mode Control
Integrated Depop Circuitry
Thermal and Short-Circuit Protection
Surface-Mount Packaging
– SOIC
– PowerPAD
MSOP
description
The TPA711 is a bridge-tied load (BTL) or
single-ended (SE) audio power amplifier devel-
oped especially for low-voltage applications where internal speakers and external earphone operation are
required. Operating with a 3.3-V supply, the TPA711 can deliver 250-mW of continuous power into a BTL 8-
load at less than 0.6% THD+N throughout voice band frequencies. Although this device is characterized out
to 20 kHz, its operation was optimized for narrower band applications such as wireless communications. The
BTL configuration eliminates the need for external coupling capacitors on the output in most applications, which
is particularly important for small battery-powered equipment. A unique feature of the TPA711 is that it allows
the amplifier to switch from BTL to SE
on the fly
when an earphone drive is required. This eliminates complicated
mechanical switching or auxiliary devices just to drive the external load. This device features a shutdown mode
for power-sensitive applications with special depop circuitry to eliminate speaker noise when exiting shutdown
mode. The TPA711 is available in an 8-pin SOIC and the surface-mount PowerPAD MSOP package, which
reduces board space by 50% and height by 40%.
Audio
Input
Bias
Control
VDD
700 mW
6
5
7
VO+
VDD
3
1
2
4
BYPASS
IN
SE/BTL
VDD/2
CI
RI
CS
CB
RF
SHUTDOWN
From HP Jack
VO–
8
GND
From System Control
–
+
–
+
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.
Copyright
2001, Texas Instruments Incorporated
PRODUCTION DATA information is current as of publication date.
Products conform to specifications per the terms of Texas Instruments
standard warranty. Production processing does not necessarily include
testing of all parameters.
1
2
3
4
8
7
6
5
SHUTDOWN
BYPASS
SE/BTL
IN
V
O
–
GND
V
DD
V
O
+
D OR DGN PACKAGE
(TOP VIEW)
PowerPAD is a trademark of Texas Instruments.
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| TPD11DIL | ****GESTRICHEN**** |
相關代理商/技術參數 |
參數描述 |
|---|---|
| TPA711DRG4 | 功能描述:音頻放大器 Mono Class-AB w/Mono Hdphone Drive 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 |
| TPA711EVM | 制造商:TI 制造商全稱:Texas Instruments 功能描述:700-mW MONO LOW-VOLTAGE AUDIO POWER AMPLIFIER |
| TPA711MSOPEVM | 功能描述:音頻 IC 開發工具 TPA711MSOP Eval Mod RoHS:否 制造商:Texas Instruments 產品:Evaluation Kits 類型:Audio Amplifiers 工具用于評估:TAS5614L 工作電源電壓:12 V to 38 V |
| TPA71242 | 制造商:TE Connectivity 功能描述: |
| TPA721 | 制造商:TI 制造商全稱:Texas Instruments 功能描述:700-mW MONO LOW-VOLTAGE AUDIO POWER AMPLIFIER |
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