- 您現(xiàn)在的位置：買賣IC網(wǎng) > PDF目錄98276 > TPA6211A1DRBRG4 (TEXAS INSTRUMENTS INC) 2.45 W, 1 CHANNEL, AUDIO AMPLIFIER, PDSO8 PDF資料下載
參數(shù)資料
| 型號： | TPA6211A1DRBRG4 |
| 廠商： | TEXAS INSTRUMENTS INC |
| 元件分類： | 音頻／視頻放大 |
| 英文描述： | 2.45 W, 1 CHANNEL, AUDIO AMPLIFIER, PDSO8 |
| 封裝： | 3 X 3 MM, GREEN, PLASTIC, SON-8 |
| 文件頁數(shù)： | 5/32頁 |
| 文件大小： | 916K |
| 代理商： | TPA6211A1DRBRG4 |
第1頁第2頁第3頁第4頁當前第5頁第6頁第7頁第8頁第9頁第10頁第11頁第12頁第13頁第14頁第15頁第16頁第17頁第18頁第19頁第20頁第21頁第22頁第23頁第24頁第25頁第26頁第27頁第28頁第29頁第30頁第31頁第32頁
APPLICATION INFORMATION
FULLY DIFFERENTIAL AMPLIFIER
Advantages of Fully Differential Amplifiers
APPLICATION SCHEMATICS
_
+
VDD
VO+
VO
GND
6
5
8
7
To Battery
Cs
IN
IN+
4
3
+
In From
DAC
RI
40 k
40 k
(1) C(BYPASS) is optional
Bias
Circuitry
2
SHUTDOWN
1
C(BYPASS)(1)
100 k
www.ti.com........................................................................................................................................................ SLOS367C – AUGUST 2003 – REVISED JUNE 2008
mid-supply voltage affects both positive and
negative channels equally, thus canceling at the
differential output. Removing the bypass capacitor
The TPA6211A1 is a fully differential amplifier with
slightly worsens power supply rejection ratio
differential inputs and outputs. The fully differential
(kSVR), but a slight decrease of kSVR may be
amplifier consists of a differential amplifier and a
acceptable when an additional component can be
common- mode amplifier. The differential amplifier
eliminated (See Figure 17).
ensures that the amplifier outputs a differential
Better RF-immunity: GSM handsets save power
voltage that is equal to the differential input times the
by turning on and shutting off the RF transmitter at
gain. The common-mode feedback ensures that the
a rate of 217 Hz. The transmitted signal is
common-mode voltage at the output is biased around
picked-up on input and output traces. The fully
VDD/2 regardless of the common- mode voltage at the
differential amplifier cancels the signal much
input.
better than the typical audio amplifier.
Input coupling capacitors not required: A fully
differential amplifier with good CMRR, like the
28 through
show
application
TPA6211A1, allows the inputs to be biased at
schematics for differential and single-ended inputs.
voltage other than mid-supply. For example, if a
Typical values are shown in Table 1.
DAC has a lower mid-supply voltage than that of
the TPA6211A1, the common-mode feedback
Table 1. Typical Component Values
circuit compensates, and the outputs are still
COMPONENT
VALUE
biased at the mid-supply point of the TPA6211A1.
RI
40 k
The inputs of the TPA6211A1 can be biased from
C(BYPASS)
(1)
0.22
F
0.5 V to VDD - 0.8 V. If the inputs are biased
outside of that range, input coupling capacitors
CS
1
F
are required.
CI
0.22
F
Mid-supply bypass capacitor, C
(BYPASS),
not
required: The fully differential amplifier does not
require a bypass capacitor. Any shift in the
(1)
C(BYPASS) is optional.
Figure 28. Typical Differential Input Application Schematic
Copyright 2003–2008, Texas Instruments Incorporated
13
Product Folder Link(s): TPA6211A1
相關PDF資料 |
PDF描述 |
|---|---|
| TPA6211A1TDGNRQ1 | AUDIO AMPLIFIER, PDSO8 |
| TPA701D | 0.35 W, 1 CHANNEL, AUDIO AMPLIFIER, PDSO8 |
| TPA701DGN | 0.7 W, 1 CHANNEL, AUDIO AMPLIFIER, PDSO8 |
| TPA701DGNR | 0.7 W, 1 CHANNEL, AUDIO AMPLIFIER, PDSO8 |
| TPA701DR | 0.35 W, 1 CHANNEL, AUDIO AMPLIFIER, PDSO8 |
相關代理商/技術參數(shù) |
參數(shù)描述 |
|---|---|
| TPA6211A1EVM | 功能描述:音頻 IC 開發(fā)工具 TPA6211A1 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 |
| TPA6211A1-Q1 | 制造商:TI 制造商全稱:Texas Instruments 功能描述:3.1-W MONO FULLY DIFFERENTIAL AUDIO POWER AMPLIFIER |
| TPA6211A1TDGNRQ1 | 功能描述:音頻放大器 3.1W Mono,Full Diff Class-AB Audio Amp 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 |
| TPA62RL | 功能描述:TVS 二極管 - 瞬態(tài)電壓抑制器 62V 50uA Bidirect RoHS:否 制造商:Vishay Semiconductors 極性:Bidirectional 工作電壓: 擊穿電壓:58.9 V 鉗位電壓:77.4 V 峰值浪涌電流:38.8 A 系列: 封裝 / 箱體:DO-214AB 最小工作溫度:- 55 C 最大工作溫度:+ 150 C |
| TPA68 | 功能描述:TVS 二極管 - 瞬態(tài)電壓抑制器 68 Volt 50 Amp RoHS:否 制造商:Vishay Semiconductors 極性:Bidirectional 工作電壓: 擊穿電壓:58.9 V 鉗位電壓:77.4 V 峰值浪涌電流:38.8 A 系列: 封裝 / 箱體:DO-214AB 最小工作溫度:- 55 C 最大工作溫度:+ 150 C |
發(fā)布緊急采購，3分鐘左右您將得到回復。