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参数资料
| 型号： | TLE2037AIDR |
| 厂商： | TEXAS INSTRUMENTS INC |
| 元件分类： | 运算放大器 |
| 英文描述： | OP-AMP, 105 uV OFFSET-MAX, 50 MHz BAND WIDTH, PDSO8 |
| 封装： | PLASTIC, SOIC-8 |
| 文件页数： | 25/45页 |
| 文件大小： | 1027K |
| 代理商： | TLE2037AIDR |
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TLE2027, TLE2037, TLE2027A, TLE2037A, TLE2027Y, TLE2037Y
EXCALIBUR LOW-NOISE HIGH-SPEED
PRECISION OPERATIONAL AMPLIFIERS
SLOS192C FEBRUARY 1997 REVISED APRIL 2010
31
www.ti.com
APPLICATION INFORMATION
input offset voltage nulling
The TLE2027 and TLE2037 series offers external null pins that can be used to further reduce the input offset
voltage. The circuits of Figure 55 can be connected as shown if the feature is desired. If external nulling is not
needed, the null pins may be left disconnected.
4.7 kΩ
1 kΩ
VCC +
OUT
IN
IN +
VCC
+
4.7 kΩ
+
VCC
OUT
VCC +
10 kΩ
IN
IN +
(a) STANDARD ADJUSTMENT
(b) ADJUSTMENT WITH IMPROVED SENSITIVITY
Figure 55. Input Offset Voltage Nulling Circuits
voltage-follower applications
The TLE2027 circuitry includes input-protection diodes to limit the voltage across the input transistors; however,
no provision is made in the circuit to limit the current if these diodes are forward biased. This condition can occur
when the device is operated in the voltage-follower configuration and driven with a fast, large-signal pulse. It
is recommended that a feedback resistor be used to limit the current to a maximum of 1 mA to prevent
degradation of the device. Also, this feedback resistor forms a pole with the input capacitance of the device.
For feedback resistor values greater than 10 kΩ, this pole degrades the amplifier phase margin. This problem
can be alleviated by adding a capacitor (20 pF to 50 pF) in parallel with the feedback resistor (see Figure 56).
RF
IF
≤ 1 mA
+
VI
VO
VCC
CF = 20 to 50 pF
Figure 56. Voltage Follower
相关PDF资料 |
PDF描述 |
|---|---|
| TLE2037AMDR | OP-AMP, 105 uV OFFSET-MAX, 50 MHz BAND WIDTH, PDSO8 |
| TLE2037ACDR | OP-AMP, 70 uV OFFSET-MAX, 50 MHz BAND WIDTH, PDSO8 |
| TLE2037MDR | OP-AMP, 200 uV OFFSET-MAX, 50 MHz BAND WIDTH, PDSO8 |
| TLE2061BID | OP-AMP, 1300 uV OFFSET-MAX, 1.8 MHz BAND WIDTH, PDSO8 |
| TLE2061BMFK | OP-AMP, 1700 uV OFFSET-MAX, 1.8 MHz BAND WIDTH, CQCC20 |
相关代理商/技术参数 |
参数描述 |
|---|---|
| TLE2037AIP | 制造商:TI 制造商全称:Texas Instruments 功能描述:EXCALIBUR LOW-NOISE HIGH-SPEED PRECISION OPERATIONAL AMPLIFIERS |
| TLE2037AMD | 功能描述:高速运算放大器 Excalibur Low Noise Hi Sp Prec Decomp RoHS:否 制造商:Texas Instruments 通道数量:1 电压增益 dB:116 dB 输入补偿电压:0.5 mV 转换速度:55 V/us 工作电源电压:36 V 电源电流:7.5 mA 最大工作温度:+ 85 C 安装风格:SMD/SMT 封装 / 箱体:SOIC-8 封装:Tube |
| TLE2037AMDG4 | 功能描述:高速运算放大器 Lo-Noise Hi-Spd Precson Decomp OpAmp RoHS:否 制造商:Texas Instruments 通道数量:1 电压增益 dB:116 dB 输入补偿电压:0.5 mV 转换速度:55 V/us 工作电源电压:36 V 电源电流:7.5 mA 最大工作温度:+ 85 C 安装风格:SMD/SMT 封装 / 箱体:SOIC-8 封装:Tube |
| TLE2037AMFK | 制造商:TI 制造商全称:Texas Instruments 功能描述:EXCALIBUR LOW-NOISE HIGH-SPEED PRECISION OPERATIONAL AMPLIFIERS |
| TLE2037AMJG | 制造商:TI 制造商全称:Texas Instruments 功能描述:EXCALIBUR LOW-NOISE HIGH-SPEED PRECISION OPERATIONAL AMPLIFIERS |
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