參數(shù)資料
型號: TLV2775AIDR
廠商: Texas Instruments, Inc.
英文描述: FAMILY OF 2.7-HIGH-SLEW-RATE RAIL-TO-RAIL OUTPUT OPERATIONAL AMPLIFIERS WITH SHUTDOWN
中文描述: 2.7家庭,高擺率軌到軌輸出運算放大器具有關(guān)斷
文件頁數(shù): 35/65頁
文件大?。?/td> 1483K
代理商: TLV2775AIDR
SLOS209G JANUARY 1998 REVISED FEBRUARY 2004
35
WWW.TI.COM
APPLICATION INFORMATION
offset voltage
The output offset voltage, (V
OO
) is the sum of the input offset voltage (V
IO
) and both input bias currents (I
IB
) times
the corresponding gains. The following schematic and formula can be used to calculate the output offset
voltage:
VOO
VIO
1
RF
RG
IIB
RS
1
RF
RG
IIB–RF
+
VI
+
RG
RS
RF
IIB
VO
IIB+
Figure 59. Output Offset Voltage Model
general configurations
When receiving low-level signals, limiting the bandwidth of the incoming signals into the system is often
required. The simplest way to accomplish this is to place an RC filter at the noninverting terminal of the amplifier
(see Figure 60).
VI
VO
C1
+
RG
RF
R1
f–3dB
1
2 R1C1
VO
VI
1
RF
RG
1
sR1C1
1
Figure 60. Single-Pole Low-Pass Filter
If even more attenuation is needed, a multiple pole filter is required. The Sallen-Key filter can be used for this
task. For best results, the amplifier should have a bandwidth that is 8 to 10 times the filter frequency bandwidth.
Failure to do this can result in phase shift of the amplifier.
VI
C2
R2
R1
C1
RF
RG
R1 = R2 = R
C1 = C2 = C
Q = Peaking Factor
(Butterworth Q = 0.707)
(
=
1
Q
2
)
RG
RF
_
+
f–3dB
1
2 RC
Figure 61. 2-Pole Low-Pass Sallen-Key Filter
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TLV2775AIDRG4 功能描述:運算放大器 - 運放 Quad 2.7V Hi-Slew Rate Rail to Rail RoHS:否 制造商:STMicroelectronics 通道數(shù)量:4 共模抑制比(最小值):63 dB 輸入補償電壓:1 mV 輸入偏流(最大值):10 pA 工作電源電壓:2.7 V to 5.5 V 安裝風格:SMD/SMT 封裝 / 箱體:QFN-16 轉(zhuǎn)換速度:0.89 V/us 關(guān)閉:No 輸出電流:55 mA 最大工作溫度:+ 125 C 封裝:Reel
TLV2775AIN 功能描述:運算放大器 - 運放 Quad 2.7V Rrail-Rail RoHS:否 制造商:STMicroelectronics 通道數(shù)量:4 共模抑制比(最小值):63 dB 輸入補償電壓:1 mV 輸入偏流(最大值):10 pA 工作電源電壓:2.7 V to 5.5 V 安裝風格:SMD/SMT 封裝 / 箱體:QFN-16 轉(zhuǎn)換速度:0.89 V/us 關(guān)閉:No 輸出電流:55 mA 最大工作溫度:+ 125 C 封裝:Reel
TLV2775AINE4 功能描述:運算放大器 - 運放 Quad 2.7V Hi-Slew-Rt R-to-R Out w/Shtdwn RoHS:否 制造商:STMicroelectronics 通道數(shù)量:4 共模抑制比(最小值):63 dB 輸入補償電壓:1 mV 輸入偏流(最大值):10 pA 工作電源電壓:2.7 V to 5.5 V 安裝風格:SMD/SMT 封裝 / 箱體:QFN-16 轉(zhuǎn)換速度:0.89 V/us 關(guān)閉:No 輸出電流:55 mA 最大工作溫度:+ 125 C 封裝:Reel
TLV2775AIPW 功能描述:運算放大器 - 運放 Quad 2.7V Hi-Slew-Rt R-to-R Out w/Shtdwn RoHS:否 制造商:STMicroelectronics 通道數(shù)量:4 共模抑制比(最小值):63 dB 輸入補償電壓:1 mV 輸入偏流(最大值):10 pA 工作電源電壓:2.7 V to 5.5 V 安裝風格:SMD/SMT 封裝 / 箱體:QFN-16 轉(zhuǎn)換速度:0.89 V/us 關(guān)閉:No 輸出電流:55 mA 最大工作溫度:+ 125 C 封裝:Reel
TLV2775AIPWG4 功能描述:運算放大器 - 運放 Quad 2.7V Hi-Slew-Rt R-to-R Out w/Shtdwn RoHS:否 制造商:STMicroelectronics 通道數(shù)量:4 共模抑制比(最小值):63 dB 輸入補償電壓:1 mV 輸入偏流(最大值):10 pA 工作電源電壓:2.7 V to 5.5 V 安裝風格:SMD/SMT 封裝 / 箱體:QFN-16 轉(zhuǎn)換速度:0.89 V/us 關(guān)閉:No 輸出電流:55 mA 最大工作溫度:+ 125 C 封裝:Reel