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通用运算放大器

LF347-N

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四路、36V、4MHz、高压摆率 (13V/µs)、输入接近 V+、JFET 输入运算放大器

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TL084H 正在供货 工作温度范围为 -40°C 至 125°C 且输入接近 V+ 的四通道、40V、5.25MHz、4mV 偏移电压、20V/µs 运算放大器 Wider supply range (4.5 V to 40 V), higher GBW (5.25 MHz), faster slew rate (20 V/us), lower offset voltage (4 mV), lower power (0.9375 mA)
TL074H 正在供货 工作温度范围为 -40°C 至 125°C 且输入接近 V+ 的四通道、40V、5MHz、4mV 偏移电压、20V/µs 运算放大器 Wider supply range (4.5 V to 40 V), higher GBW (5.25 MHz), faster slew rate (20 V/us), lower offset voltage (4 mV), lower power (0.9375 mA)

LF347-N

正在供货
数据表 立即订购

产品详情

Number of channels 4 Total supply voltage (+5 V = 5, ±5 V = 10) (max) (V) 36 Total supply voltage (+5 V = 5, ±5 V = 10) (min) (V) 8 Rail-to-rail In to V+ GBW (typ) (MHz) 4 Slew rate (typ) (V/µs) 13 Vos (offset voltage at 25°C) (max) (mV) 5 Iq per channel (typ) (mA) 1.8 Vn at 1 kHz (typ) (nV√Hz) 20 Rating Catalog Operating temperature range (°C) 0 to 70 Offset drift (typ) (µV/°C) 10 Input bias current (max) (pA) 200 CMRR (typ) (dB) 100 Iout (typ) (A) 0.031 Architecture FET Input common mode headroom (to negative supply) (typ) (V) 3 Input common mode headroom (to positive supply) (typ) (V) 0 Output swing headroom (to negative supply) (typ) (V) 1.5 Output swing headroom (to positive supply) (typ) (V) -1.5
Number of channels 4 Total supply voltage (+5 V = 5, ±5 V = 10) (max) (V) 36 Total supply voltage (+5 V = 5, ±5 V = 10) (min) (V) 8 Rail-to-rail In to V+ GBW (typ) (MHz) 4 Slew rate (typ) (V/µs) 13 Vos (offset voltage at 25°C) (max) (mV) 5 Iq per channel (typ) (mA) 1.8 Vn at 1 kHz (typ) (nV√Hz) 20 Rating Catalog Operating temperature range (°C) 0 to 70 Offset drift (typ) (µV/°C) 10 Input bias current (max) (pA) 200 CMRR (typ) (dB) 100 Iout (typ) (A) 0.031 Architecture FET Input common mode headroom (to negative supply) (typ) (V) 3 Input common mode headroom (to positive supply) (typ) (V) 0 Output swing headroom (to negative supply) (typ) (V) 1.5 Output swing headroom (to positive supply) (typ) (V) -1.5
SOIC (D) 14 51.9 mm² (8.65 mm × 6 mm) PDIP (N) 14 181.42 mm² (19.3 mm × 9.4 mm)
  • Internally Trimmed Offset Voltage: 5 mV max
  • Low Input Bias Current: 50 pA
  • Low Input Noise Current: 0.01 pA/√Hz
  • Wide Gain Bandwidth: 4 MHz
  • High Slew Rate: 13 V/μs
  • Low Supply Current: 7.2 mA
  • High Input Impedance: 1012Ω
  • Low Total Harmonic Distortion: ≤0.02%
  • Low 1/f Noise Corner: 50 Hz
  • Fast Settling Time to 0.01%: 2 μs

All trademarks are the property of their respective owners.

  • Internally Trimmed Offset Voltage: 5 mV max
  • Low Input Bias Current: 50 pA
  • Low Input Noise Current: 0.01 pA/√Hz
  • Wide Gain Bandwidth: 4 MHz
  • High Slew Rate: 13 V/μs
  • Low Supply Current: 7.2 mA
  • High Input Impedance: 1012Ω
  • Low Total Harmonic Distortion: ≤0.02%
  • Low 1/f Noise Corner: 50 Hz
  • Fast Settling Time to 0.01%: 2 μs

All trademarks are the property of their respective owners.

The LF147 is a low cost, high speed quad JFET input operational amplifier with an internally trimmed input offset voltage (BI-FET II technology). The device requires a low supply current and yet maintains a large gain bandwidth product and a fast slew rate. In addition, well matched high voltage JFET input devices provide very low input bias and offset currents. The LF147 is pin compatible with the standard LM148. This feature allows designers to immediately upgrade the overall performance of existing LF148 and LM124 designs.

The LF147 may be used in applications such as high speed integrators, fast D/A converters, sample-and-hold circuits and many other circuits requiring low input offset voltage, low input bias current, high input impedance, high slew rate and wide bandwidth. The device has low noise and offset voltage drift.

The LF147 is a low cost, high speed quad JFET input operational amplifier with an internally trimmed input offset voltage (BI-FET II technology). The device requires a low supply current and yet maintains a large gain bandwidth product and a fast slew rate. In addition, well matched high voltage JFET input devices provide very low input bias and offset currents. The LF147 is pin compatible with the standard LM148. This feature allows designers to immediately upgrade the overall performance of existing LF148 and LM124 designs.

The LF147 may be used in applications such as high speed integrators, fast D/A converters, sample-and-hold circuits and many other circuits requiring low input offset voltage, low input bias current, high input impedance, high slew rate and wide bandwidth. The device has low noise and offset voltage drift.
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LF347 正在供货 四路、36V、3MHz、高压摆率 (13V/µs)、输入接近 V+ 运算放大器 This is the same device optimized for cost-sensitive applications

技术文档

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顶层文档 类型 标题 格式选项 下载最新的英语版本 日期
* 数据表 LF147/LF347 Wide Bandwidth Quad JFET Input Operational Amplifiers 数据表 (Rev. D) 2013-3-25
电子书 The Signal e-book: 有关运算放大器设计主题的博客文章汇编 PDF | HTML 英语版 PDF | HTML 2018-1-31
应用手册 AN-262 Applying Dual and Quad FET Op Amps (Rev. B) 2013-5-6
应用手册 AN-301 Signal Conditioning for Sophisticated Transducers (Rev. B) 2013-5-6
应用手册 AN-256 Circuitry for Inexpensive Relative Humidity Measurement (Rev. B) 2013-5-6
应用手册 AN-263 Sine Wave Generation Techniques (Rev. C) 2013-4-22
应用手册 AN-447 Protection Schemes for BI-FET Amplifiers and Switches 2004-5-2
应用手册 Get More Power Out of Dual or Quad Op-Amps 2002-10-2

设计与开发

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评估板

AMP-PDK-EVM — 放大器高性能开发套件评估模块

放大器高性能开发套件 (PDK) 是一款用于测试常见运算放大器参数的评估模块 (EVM) 套件，与大多数运算放大器和比较器均兼容。该 EVM 套件提供了一个主板，主板上具有多个插槽式子卡选项以满足封装需求，使工程师能够快速评估和验证器件性能。

AMP-PDK-EVM 套件支持五种常用的业界通用封装，包括：

  • D（SOIC-8 和 SOIC-14）
  • PW (TSSOP-14)
  • DGK (VSSOP-8)
  • DBV（SOT23-5 和 SOT23-6）
  • DCK（SC70-5 和 SC70-6）
用户指南: PDF | HTML
支持的产品和硬件
封装 引脚 CAD 符号、封装和 3D 模型
SOIC (D) 14 Ultra Librarian
PDIP (N) 14 Ultra Librarian
适用于评估类项目的 TI 标准条款与条件。

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