OPA131 通用 FET- 输入运算放大器

The OPA131 series of FET-input op amps provides high performance at low cost. Single, dual, and quad versions in industry-standard pinouts allow cost-effective design options.

The OPA131 series offers excellent general-purpose performance, including low offset voltage, drift, and good dynamic characteristics.

Single, dual, and quad versions are available in DIP and SO packages. Performance grades include commercial and industrial temperature ranges


OPA131
Number of Channels 1  
Total Supply Voltage (V)(Min)(+5V=5, +/-5V=10) 9  
Total Supply Voltage (V)(Max)(+5V=5, +/-5V=10) 36  
Iq per channel(Max)(mA) 1.75  
GBW(Typ)(MHz) 4  
Slew Rate(Typ)(V/us) 10  
VIO (25 deg C)(Max)(mV) 0.75  
Offset Drift(Typ)(uV/C) 2  
IIB(Max)(pA) 50  
CMRR(Min)(dB) 80  
Vn at 1kHz(Typ)(nV/rtHz) 15  
Rating Catalog  
Pin/Package 8SOIC  
Approx. Price (US$) 0.75 | 1ku  
Operating Temperature Range(C)  
OPA131 特性
OPA131 芯片订购指南
器件 状态 价格(美元) 封装 | 引脚 封装数量 | 封装载体 丝印标记
OPA131U ACTIVE 2.25 | 1ku SOIC (D) | 8 75 | TUBE  
OPA131UA ACTIVE 1.30 | 1ku SOIC (D) | 8 75 | TUBE  
OPA131UA/2K5 ACTIVE 1.15 | 1ku SOIC (D) | 8 2500 | LARGE T&R  
OPA131UA/2K5E4 ACTIVE 1.15 | 1ku SOIC (D) | 8 2500 | LARGE T&R  
OPA131UAE4 ACTIVE 1.30 | 1ku SOIC (D) | 8 75 | TUBE  
OPA131UG4 ACTIVE 2.25 | 1ku SOIC (D) | 8 75 | TUBE  
OPA131UJ ACTIVE 0.90 | 1ku SOIC (D) | 8 75 | TUBE  
OPA131UJ/2K5 ACTIVE 0.75 | 1ku SOIC (D) | 8 2500 | LARGE T&R  
OPA131UJ/2K5E4 ACTIVE 0.75 | 1ku SOIC (D) | 8 2500 | LARGE T&R  
OPA131UJE4 ACTIVE 0.90 | 1ku SOIC (D) | 8 75 | TUBE  
OPA131 质量与无铅数据
器件 环保计划* 铅/焊球涂层 MSL 等级/回流焊峰 环保信息与无铅 (Pb-free) DPPM / MTBF / FIT 率
OPA131U Green (RoHS & no Sb/Br)  CU NIPDAU  Level-3-260C-168 HR OPA131U OPA131U
OPA131UA Green (RoHS & no Sb/Br)  CU NIPDAU  Level-3-260C-168 HR OPA131UA OPA131UA
OPA131UA/2K5 Green (RoHS & no Sb/Br)  CU NIPDAU  Level-3-260C-168 HR OPA131UA/2K5 OPA131UA/2K5
OPA131UA/2K5E4 Green (RoHS & no Sb/Br)  CU NIPDAU  Level-3-260C-168 HR OPA131UA/2K5E4 OPA131UA/2K5E4
OPA131UAE4 Green (RoHS & no Sb/Br)  CU NIPDAU  Level-3-260C-168 HR OPA131UAE4 OPA131UAE4
OPA131UG4 Green (RoHS & no Sb/Br)  CU NIPDAU  Level-3-260C-168 HR OPA131UG4 OPA131UG4
OPA131UJ Green (RoHS & no Sb/Br)  CU NIPDAU  Level-3-260C-168 HR OPA131UJ OPA131UJ
OPA131UJ/2K5 Green (RoHS & no Sb/Br)  CU NIPDAU  Level-3-260C-168 HR OPA131UJ/2K5 OPA131UJ/2K5
OPA131UJ/2K5E4 Green (RoHS & no Sb/Br)  CU NIPDAU  Level-3-260C-168 HR OPA131UJ/2K5E4 OPA131UJ/2K5E4
OPA131UJE4 Green (RoHS & no Sb/Br)  CU NIPDAU  Level-3-260C-168 HR OPA131UJE4 OPA131UJE4
OPA131 应用技术支持与电子电路设计开发资源下载
  1. OPA131 数据资料 dataSheet 下载.PDF
  2. TI 德州仪器仪运算放大器 (Op Amp)产品选型与价格 . xls
  3. 所选封装材料的热学和电学性质 (PDF 645 KB)
  4. 高速数据转换 (PDF 1967 KB)
  5. 在 PSPICE 中使用德州仪器 (TI) SPICE 模型 (zhca088.HTM, 8 KB)
  6. PowerPAD™ Thermally Enhanced Package (slma002g.HTM, 8 KB)
  7. 运算放大器的单电源操作 (PDF 2174 KB)
  8. Tuning in Amplifiers (PDF 44 KB)
  9. Op Amp Performance Analysis (PDF 76 KB)
  10. An Error Analysis of the ISO102 in a Small Signal Measuring Application (PDF 29 KB)
  11. Level Shifting Signals with Differential Amplifiers (PDF 23 KB)
  12. Operational Amplifier Macromodels: A Comparison (PDF 59 KB)
OPA131 工具与软件
名称 型号 工具/软件类型
音频的快速搜索选择工具 AUDIO_SELECTION_TOOL 免费评估工具
OPA131 评估模块 OPA131EVM 开发电路板/EVM
用于音频转换器的软件驱动程序 CODECDRIVERS-SW 应用软件