OPA846 宽带低噪声电压反馈运算放大器

The OPA846 combines very high gain bandwidth and large signal performance with very low input voltage noise, while dissipating a low 12.6mA supply current. The classical differential input stage, along with two stages of forward gain and a high power output stage, combine to make the OPA846 an exceptionally low distortion amplifier with excellent DC accuracy and output drive. The voltage-feedback architecture allows all standard op amp applications to be implemented with very high performance.

The combination of low input voltage and current noise, along with a 1.75GHz gain bandwidth product, make the OPA846 an ideal amplifier for wideband transimpedance stages. As a voltage gain stage, the OPA846 is optimized for a flat response at a gain of +10 and is stable down to a gain of +7


OPA842 OPA843 OPA846 OPA847
Iq per channel(Max)(mA) 22.5   22.5   13.2   18.9  
Slew Rate(Typ)(V/us) 400   1000   625   950  
GBW(Typ)(MHz) 200   800   1750   3900  
Io(Typ)(mA) 100   100   80   75  
Vs(Min)(V) 10   10   10   10  
Vs(Max)(V) 12   12   12   12  
Number of Channels 1   1   1   1  
Pin/Package 5SOT-23, 8SOIC   5SOT-23, 8SOIC   5SOT-23, 8SOIC   8SOIC, 6SOT-23  
Acl, min stable gain(V/V) 1   3   7   12  
BW @ Acl(MHz) 400   500   500   600  
Diff Gain(%) 0.003   0.001   0.02    
Diff Phase(deg) 0.008   0.012   0.02    
Vio(Max)(mV) 1.2   1.2   0.6   0.5  
THD (Fc=1 MHz)(Typ)(dB) -100   -95   -92   -96  
Settling Time (0.1%)(Typ)(ns) 15   7.5   15   20  
Offset Voltage Drift (+/-)(Max)(uV/Degrees Celsius) 4   4   1.5   1.5  
Available Channels S   S   S, D   S  
Vn at Flatband(Typ)(nV/rtHz) 2.7   2   1.2   0.85  
Approx. Price (US$) 1.55 | 1ku   1.60 | 1ku   1.70 | 1ku   2.00 | 1ku  
Iib(Max)(nA) 37000   37000   21000   42000  
Noninverting Input Current Noise(pA/rtHz) 2.7   2.8   2.8   2.5  
2nd Harmonic(dBc) 94   96   100   105  
3rd Harmonic(dBc) 93   110   112   110  
@ MHz 5   5   5   5  
BW @ G=+2(MHz) 200        
0.1 dB BW Flatness(MHz) 56   65   140   60  
Operating Temperature Range(C) -40 to 85   -40 to 85   -40 to 85   -40 to 85
OPA846 特性
OPA846 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
OPA846ID ACTIVE -40 to 85 1.80 | 1ku SOIC (D) | 8 75 | TUBE  
OPA846IDBVR ACTIVE -40 to 85 1.55 | 1ku SOT-23 (DBV) | 5 3000 | LARGE T&R  
OPA846IDBVRG4 ACTIVE -40 to 85 1.55 | 1ku SOT-23 (DBV) | 5 3000 | LARGE T&R  
OPA846IDBVT ACTIVE -40 to 85 1.75 | 1ku SOT-23 (DBV) | 5 250 | SMALL T&R  
OPA846IDBVTG4 ACTIVE -40 to 85 1.75 | 1ku SOT-23 (DBV) | 5 250 | SMALL T&R  
OPA846IDG4 ACTIVE -40 to 85 1.80 | 1ku SOIC (D) | 8 75 | TUBE  
OPA846IDR ACTIVE -40 to 85 1.55 | 1ku SOIC (D) | 8 2500 | LARGE T&R  
OPA846IDRG4 ACTIVE -40 to 85 1.55 | 1ku SOIC (D) | 8 2500 | LARGE T&R  
OPA846 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
OPA846ID Green (RoHS & no Sb/Br)  CU NIPDAU  Level-2-260C-1 YEAR OPA846ID OPA846ID
OPA846IDBVR Green (RoHS & no Sb/Br)  CU NIPDAU  Level-2-260C-1 YEAR OPA846IDBVR OPA846IDBVR
OPA846IDBVRG4 Green (RoHS & no Sb/Br)  CU NIPDAU  Level-2-260C-1 YEAR OPA846IDBVRG4 OPA846IDBVRG4
OPA846IDBVT Green (RoHS & no Sb/Br)  CU NIPDAU  Level-2-260C-1 YEAR OPA846IDBVT OPA846IDBVT
OPA846IDBVTG4 Green (RoHS & no Sb/Br)  CU NIPDAU  Level-2-260C-1 YEAR OPA846IDBVTG4 OPA846IDBVTG4
OPA846IDG4 Green (RoHS & no Sb/Br)  CU NIPDAU  Level-2-260C-1 YEAR OPA846IDG4 OPA846IDG4
OPA846IDR Green (RoHS & no Sb/Br)  CU NIPDAU  Level-2-260C-1 YEAR OPA846IDR OPA846IDR
OPA846IDRG4 Green (RoHS & no Sb/Br)  CU NIPDAU  Level-2-260C-1 YEAR OPA846IDRG4 OPA846IDRG4
OPA846 应用技术支持与电子电路设计开发资源下载
  1. OPA846 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)
OPA846 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
OPA846 评估模块 OPA846EVM 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