OPA379 1.8V、2.9µA、90kHz、轨至轨 I/O 运算放大器

The OPA379 family of micropower, low-voltage operational amplifiers is designed for battery-powered applications. These amplifiers operate on a supply voltage as low as 1.8V (±0.9V). High-performance, single-supply operation with rail-to-rail capability (10µV max) makes the OPA379 family usefuel for a wide range of applications.

In addition to microSize packages, the OPA379 family of op amps features impressive bandwidth (90kHz), low bias current (5pA), and low noise (80nV/√Hz) relative to the very low quiescent current (5.5µA max).

The OPA379 (single) is available in SC70-5, SOT23-5, and SO-8 packages. The OPA2379 (dual)comes in SOT23-8 and SO-8 packages. The OPA4379 (quad) is offered in a TSSOP-14 package


OPA2379 OPA379 OPA4379
Number of Channels 2   1   4  
Total Supply Voltage (V)(Min)(+5V=5, +/-5V=10) 1.8   1.8   1.8  
Total Supply Voltage (V)(Max)(+5V=5, +/-5V=10) 5.5   5.5   5.5  
Iq per channel(Max)(mA) 0.0055   0.0055   0.0055  
GBW(Typ)(MHz) 0.09   0.09   0.09  
Slew Rate(Typ)(V/us) 0.03   0.03   0.03  
VIO (25 deg C)(Max)(mV) 1.5   1.5   1.5  
Offset Drift(Typ)(uV/C) 1.5   1.5   1.5  
IIB(Max)(pA) 50   50   50  
CMRR(Min)(dB) 90   90   90  
Vn at 1kHz(Typ)(nV/rtHz) 80   80   80  
Rail-Rail In,Out   In,Out   In,Out  
Rating Catalog   Catalog   Catalog  
Pin/Package 8SOIC, 8SOT-23   5SC70, 5SOT-23, 8SOIC   14TSSOP  
Approx. Price (US$) 0.90 | 1ku   0.65 | 1ku   1.30 | 1ku  
Operating Temperature Range(C) -40 to 125   -40 to 125   -40 to 125
OPA379 特性
OPA379 芯片订购指南
器件 状态 温度 价格(美元) 封装 | 引脚 封装数量 | 封装载体 丝印标记
OPA379AID ACTIVE -40 to 125 0.80 | 1ku SOIC (D) | 8 75 | TUBE  
OPA379AIDBVR ACTIVE -40 to 125 0.65 | 1ku SOT-23 (DBV) | 5 3000 | LARGE T&R  
OPA379AIDBVRG4 ACTIVE -40 to 125 0.65 | 1ku SOT-23 (DBV) | 5 3000 | LARGE T&R  
OPA379AIDBVT ACTIVE -40 to 125 0.75 | 1ku SOT-23 (DBV) | 5 250 | SMALL T&R  
OPA379AIDBVTG4 ACTIVE -40 to 125 0.75 | 1ku SOT-23 (DBV) | 5 250 | SMALL T&R  
OPA379AIDCKR ACTIVE -40 to 125 0.65 | 1ku SC70 (DCK) | 5 3000 | LARGE T&R  
OPA379AIDCKRG4 ACTIVE -40 to 125 0.65 | 1ku SC70 (DCK) | 5 3000 | LARGE T&R  
OPA379AIDCKT ACTIVE -40 to 125 0.75 | 1ku SC70 (DCK) | 5 250 | SMALL T&R  
OPA379AIDCKTG4 ACTIVE -40 to 125 0.75 | 1ku SC70 (DCK) | 5 250 | SMALL T&R  
OPA379AIDG4 ACTIVE -40 to 125 0.80 | 1ku SOIC (D) | 8 75 | TUBE  
OPA379AIDR ACTIVE -40 to 125 0.65 | 1ku SOIC (D) | 8 2500 | LARGE T&R  
OPA379AIDRG4 ACTIVE -40 to 125 0.65 | 1ku SOIC (D) | 8 2500 | LARGE T&R  
OPA379 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
OPA379AID Green (RoHS & no Sb/Br)  CU NIPDAU  Level-2-260C-1 YEAR OPA379AID OPA379AID
OPA379AIDBVR Green (RoHS & no Sb/Br)  CU NIPDAU  Level-2-260C-1 YEAR OPA379AIDBVR OPA379AIDBVR
OPA379AIDBVRG4 Green (RoHS & no Sb/Br)  CU NIPDAU  Level-2-260C-1 YEAR OPA379AIDBVRG4 OPA379AIDBVRG4
OPA379AIDBVT Green (RoHS & no Sb/Br)  CU NIPDAU  Level-2-260C-1 YEAR OPA379AIDBVT OPA379AIDBVT
OPA379AIDBVTG4 Green (RoHS & no Sb/Br)  CU NIPDAU  Level-2-260C-1 YEAR OPA379AIDBVTG4 OPA379AIDBVTG4
OPA379AIDCKR Green (RoHS & no Sb/Br)  CU NIPDAU  Level-2-260C-1 YEAR OPA379AIDCKR OPA379AIDCKR
OPA379AIDCKRG4 Green (RoHS & no Sb/Br)  CU NIPDAU  Level-2-260C-1 YEAR OPA379AIDCKRG4 OPA379AIDCKRG4
OPA379AIDCKT Green (RoHS & no Sb/Br)  CU NIPDAU  Level-2-260C-1 YEAR OPA379AIDCKT OPA379AIDCKT
OPA379AIDCKTG4 Green (RoHS & no Sb/Br)  CU NIPDAU  Level-2-260C-1 YEAR OPA379AIDCKTG4 OPA379AIDCKTG4
OPA379AIDG4 Green (RoHS & no Sb/Br)  CU NIPDAU  Level-2-260C-1 YEAR OPA379AIDG4 OPA379AIDG4
OPA379AIDR Green (RoHS & no Sb/Br)  CU NIPDAU  Level-2-260C-1 YEAR OPA379AIDR OPA379AIDR
OPA379AIDRG4 Green (RoHS & no Sb/Br)  CU NIPDAU  Level-2-260C-1 YEAR OPA379AIDRG4 OPA379AIDRG4
OPA379 应用技术支持与电子电路设计开发资源下载
  1. OPA379 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)
OPA379 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
OPA379 评估模块 OPA379EVM 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