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Product InformationFeatures
All trademarks are the property of their respective owners. Description
The OPA27 and OPA37 are ultra-low noise, high-precision monolithic operational amplifiers. Laser-trimmed thin-film resistors provide excellent long-term voltage offset stability and allow superior voltage offset compared to common zener-zap techniques. A unique bias current cancellation circuit allows bias and offset current specifications to be met over the full 40°C to +85°C temperature range. The OPA27 is internally compensated for unity-gain stability. The decompensated OPA37 requires a closed-loop gain The Texas Instruments OPA27 and OPA37 are improved replacements for the industry-standard OP-27 and OP-37. |
| Price | Packaging | CAD Design Tools | Samples | ||||||
| Device | Status | Temp (oC) | Price | Quantity | Package | Pins | Top Side Marking | Package QTY | Package Carrier | Symbols | Footprints | Samples |
| OPA27GP | ACTIVE | -40 to 85 | 1.15 | 1ku | PDIP (P) | 8 | View | 50 | TUBE | |||
| OPA27GPG4 | ACTIVE | -40 to 85 | 1.15 | 1ku | PDIP (P) | 8 | View | 50 | TUBE | Contact TI Distributor or Sales Office | ||
| OPA27GU | ACTIVE | -40 to 85 | 1.25 | 1ku | SOIC (D) | 8 | View | 75 | TUBE | |||
| OPA27GU/2K5 | ACTIVE | -40 to 85 | 1.15 | 1ku | SOIC (D) | 8 | View | 2500 | LARGE T&R | Purchase Samples | ||
| OPA27GU/2K5E4 | ACTIVE | -40 to 85 | 1.15 | 1ku | SOIC (D) | 8 | View | 2500 | LARGE T&R | Purchase Samples | ||
| OPA27GUE4 | ACTIVE | -40 to 85 | 1.25 | 1ku | SOIC (D) | 8 | View | 75 | TUBE | Contact TI Distributor or Sales Office | ||
| OPA27GUG4 | ACTIVE | -40 to 85 | 1.25 | 1ku | SOIC (D) | 8 | View | 75 | TUBE | Contact TI Distributor or Sales Office | ||
* Suggested Resale Price per unit (USD) for BUDGETARY USE ONLY. For higher volume price quotes,prices in local currency or delivery quotes, please contact your local Texas Instruments Sales Office or Authorized Distributor.
| Reported Distributor Inventory as of 11:15 AM GMT, 09 Feb 2010 | |||
| Region | Company | In Stock | Purchase |
| TI Lead Time*: 14 WeeksOPA27GP | |||
| Americas | Arrow | >1k | |
| Avnet | 91 | ||
| Rochester Electronics | 12 | ||
| Asia | Farnell Asia | 997 | |
| WPI | 2 | ||
| Europe | Arrow Central Europe | 952 | |
| Avnet-SILICA | 27 | ||
| EBV Elektronik | 300 | ||
| Farnell | 701 | ||
| Worldwide | DigiKey | >1k | |
| TI Lead Time*: 14 WeeksOPA27GPG4 | |||
| Europe | Compel | >1k | |
| EBV Elektronik | 300 | ||
| Worldwide | DigiKey | Available | |
| TI Lead Time*: 18 WeeksOPA27GU | |||
| Americas | Arrow | >1k | |
| Rochester Electronics | 4 | ||
| Asia | Farnell Asia | 57 | |
| WPI | 46 | ||
| Europe | Compel | 512 | |
| TI Lead Time*: 18 WeeksOPA27GU/2K5 | |||
| None Reported View Distributors | |||
| TI Lead Time*: 18 WeeksOPA27GU/2K5E4 | |||
| None Reported View Distributors | |||
| TI Lead Time*: 18 WeeksOPA27GUE4 | |||
| Americas | Arrow | 100 | |
| Asia | Farnell Asia | 892 | |
| Europe | Farnell | 862 | |
| TI Lead Time*: 18 WeeksOPA27GUG4 | |||
| Europe | EBV Elektronik | >1k | |
** Lead time information is not available at this time. However, our information is updated daily so please check back with us soon. Please contact your preferred TI Authorized Distributor for additional information.
| Product Content | DPPM / MTBF / FIT Rate | ||||
| Device | Eco Plan* | Lead / Ball Finish | MSL Rating / Peak Reflow | Details | Details |
| OPA27GP | Green (RoHS & no Sb/Br) | CU NIPDAU | N/A for Pkg Type | View | View |
| OPA27GPG4 | Green (RoHS & no Sb/Br) | CU NIPDAU | N/A for Pkg Type | View | View |
| OPA27GU | Green (RoHS & no Sb/Br) | CU NIPDAU | Level-3-260C-168 HR | View | View |
| OPA27GU/2K5 | Green (RoHS & no Sb/Br) | CU NIPDAU | Level-3-260C-168 HR | View | View |
| OPA27GU/2K5E4 | Green (RoHS & no Sb/Br) | CU NIPDAU | Level-3-260C-168 HR | View | View |
| OPA27GUE4 | Green (RoHS & no Sb/Br) | CU NIPDAU | Level-3-260C-168 HR | View | View |
| OPA27GUG4 | Green (RoHS & no Sb/Br) | CU NIPDAU | Level-3-260C-168 HR | View | View |
* The planned eco-friendly classification: Pb-Free (RoHS) or Pb-Free (RoHS Exempt) or Green (RoHS & no Sb/Br) - please click on the Product Content Details "View" link in the table above for the latest availability information and additional product content details.
If the information you are requesting is not available online at this time, contact one of our Product Information Centers regarding the availability of this information.
Most useful technical documents for OPA27 
| Name | Part # | Company | Tool / Software Type |
| Analog Filter Design | FILTER-DESIGNER | Texas Instruments | Analysis Software |
| Automatic Resistor/Capacitor Calculator for Passive Filters | RC-FILTER-CALC | Texas Instruments | Calculation Utilities |
| Decibel Calculator | DECIBEL-CALC | Texas Instruments | Calculation Utilities |
| Frequency/Wavelength Calculator | FREQ-WAVE-CALC | Texas Instruments | Calculation Utilities |
| Noise Calculator, Generator and Examples | OPAMP-NOISECALC | Texas Instruments | Calculation Utilities |
| Op Amp Gain Stage Calculator | GAIN-STAGE-CALC | Texas Instruments | Calculation Utilities |
| Resistor Calculator for Op Amp Gain and Zero Shift | RESISTOR-CALC | Texas Instruments | Calculation Utilities |
| Universal EVM for Single/Dual OpAmps without Shutdown in MSOP/SOIC/SOT-23 Packages | OPAMPEVM-SOT23 | Texas Instruments | Development Boards/EVMs |
| SPICE-Based Analog Simulation Program | TINA-TI | Texas Instruments | Simulators |
| MDACBufferPro(TM) Output Buffer Amplifier Selection Tool | MDACBUFFERPRO | Texas Instruments | Application Software |
| Active Filter Design Application | FILTERPRO | Texas Instruments | Application Software |
| Part # | Name | Product Family | Comments |
| OPA277 | High Precision Operational Amplifiers | PRECISION AMPLIFIER - LOW OFFSET VOLTAGE | Single version which features offset voltage 10µV, low drift LOW DRIFT: ±0.1µV/°C, open-loop-gain of 134dB and CMRR 140dB |
| OPA227 | High Precision, Low Noise Operational Amplifiers | PRECISION AMPLIFIER - LOW OFFSET VOLTAGE | Single version which features low noise 3nV/Hz, offset voltage 75µV, open-loop-gain of 160dB and CMRR 138dB |
| OPA177 | Precision Operational Amplifier | PRECISION AMPLIFIER - LOW OFFSET VOLTAGE | Features offset voltage 25µV, open loop gain of 130dB and low drift 0.3µV/°C. OPA277 replace the OPA177 |
| OPA2277 | High Precision Operational Amplifiers | PRECISION AMPLIFIER - LOW OFFSET VOLTAGE | Dual version which features offset voltage 10µV, low drift LOW DRIFT: ±0.1µV/°C, open-loop-gain of 134dB and CMRR 140dB |
| OPA2227 | High Precision, Low Noise Operational Amplifiers | PRECISION AMPLIFIER - LOW OFFSET VOLTAGE | Dual version which features low noise 3nV/Hz, offset voltage 75µV, open-loop-gain of 160dB and CMRR 138dB |
| OPA627 | Precision High-Speed Difet(R) Operational Amplifiers | PRECISION AMPLIFIER - LOW OFFSET VOLTAGE | OPA627 features low noise 4.5nV/sqrt(Hz) at 10kHz and low drift 0.8µV/°C max |
| Customers Who Evaluated This Product Also Evaluated... | |||
| OPA277 | High Precision Operational Amplifiers | PRECISION AMPLIFIER-LOW OFFSET VOLTAGE | TI customers also evaluated this product. |
| OPA627 | Precision High-Speed Difet(R) Operational Amplifiers | PRECISION AMPLIFIER-LOW OFFSET VOLTAGE | TI customers also evaluated this product. |
| OPA227 | High Precision, Low Noise Operational Amplifiers | PRECISION AMPLIFIER-LOW OFFSET VOLTAGE | TI customers also evaluated this product. |
| OPA37 | Ultra-Low Noise Precision Operational Amplifiers | PRECISION AMPLIFIER-LOW OFFSET VOLTAGE | TI customers also evaluated this product. |
| OP27 | Low-Noise Precision High-Speed Operational Amplifier | PRECISION AMPLIFIER-LOW OFFSET VOLTAGE | TI customers also evaluated this product. |
| OPA177 | Precision Operational Amplifier | PRECISION AMPLIFIER-LOW OFFSET VOLTAGE | TI customers also evaluated this product. |
| OPA637 | Precision High-Speed Difet(R) Operational Amplifiers | PRECISION AMPLIFIER-LOW OFFSET VOLTAGE | TI customers also evaluated this product. |
| OPA2277 | High Precision Operational Amplifiers | PRECISION AMPLIFIER-LOW OFFSET VOLTAGE | TI customers also evaluated this product. |
| OPA2227 | High Precision, Low Noise Operational Amplifiers | PRECISION AMPLIFIER-LOW OFFSET VOLTAGE | TI customers also evaluated this product. |
| OPA827 | Low-Noise, High-Precision, JFET-Input Operational Amplifier | PRECISION AMPLIFIER-LOW NOISE | TI customers also evaluated this product. |
| OPA211 | 1.1nV/rtHz Noise, Low Power, Precision Operational Amplifier in Tiny DFN-8 Package | PRECISION AMPLIFIER-LOW NOISE | TI customers also evaluated this product. |
| OPA445 | High Voltage FET-Input Operational Amplifier | PRECISION AMPLIFIER-HIGH VOLTAGE | TI customers also evaluated this product. |

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