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Product InformationFeatures
All trademarks are the property of their respective owners. Description
The REF31xx is a family of precision, low power, low dropout, series voltage references available in the tiny SOT23-3 package. The REF31xxs small size and low power consumption (100µA typ) make it ideal for portable and battery-powered applications. The REF31xx does not require a load capacitor, but is stable with any capacitive load and can sink/source up to 10mA of output current. Unloaded, the REF31xx can be operated on supplies down to 5mV above the output voltage. All models are specified for the wide temperature range of 40°C to +125°C. |
| Price | Packaging | CAD Design Tools | Samples | ||||||
| Device | Status | Temp (oC) | Price | Quantity | Package | Pins | Top Side Marking | Package QTY | Package Carrier | Symbols | Footprints | Samples |
| REF3125AIDBZR | ACTIVE | -40 to 125 | 1.10 | 1ku | SOT-23 (DBZ) | 3 | View | 3000 | LARGE T&R | Purchase Samples | ||
| REF3125AIDBZRG4 | ACTIVE | -40 to 125 | 1.10 | 1ku | SOT-23 (DBZ) | 3 | View | 3000 | LARGE T&R | Purchase Samples | ||
| REF3125AIDBZT | ACTIVE | -40 to 125 | 1.25 | 1ku | SOT-23 (DBZ) | 3 | View | 250 | SMALL T&R | |||
| REF3125AIDBZTG4 | ACTIVE | -40 to 125 | 1.25 | 1ku | SOT-23 (DBZ) | 3 | View | 250 | SMALL T&R | 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 11:25 AM GMT, 06 Nov 2009 | |||
| Region | Company | In Stock | Purchase |
| TI Lead Time*: 20 WeeksREF3125AIDBZR | |||
| Europe | Avnet-SILICA | >1k | |
| Compel | >1k | ||
| TI Lead Time*: 20 WeeksREF3125AIDBZRG4 | |||
| None Reported View Distributors | |||
| TI Lead Time*: 4 WeeksREF3125AIDBZT | |||
| Americas | Arrow | >1k | |
| Avnet | >1k | ||
| Newark | >1k | ||
| Asia | Farnell Asia | >1k | |
| Europe | Compel | 99 | |
| Farnell | 226 | ||
| Worldwide | Mouser Electronics | >1k | |
| TI Lead Time*: 4 WeeksREF3125AIDBZTG4 | |||
| Asia | Farnell Asia | 846 | |
| Europe | Farnell | 617 | |
| Worldwide | Mouser Electronics | 26 | |
** 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 |
| REF3125AIDBZR | Green (RoHS & no Sb/Br) | CU NIPDAU | Level-1-260C-UNLIM | View | View |
| REF3125AIDBZRG4 | Green (RoHS & no Sb/Br) | CU NIPDAU | Level-1-260C-UNLIM | View | View |
| REF3125AIDBZT | Green (RoHS & no Sb/Br) | CU NIPDAU | Level-1-260C-UNLIM | View | View |
| REF3125AIDBZTG4 | Green (RoHS & no Sb/Br) | CU NIPDAU | Level-1-260C-UNLIM | 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 REF3125 
| Part # | Name | Product Family | Comments |
| ADS1271 | 24-Bit, 105kSPS Industrial Delta-Sigma ADC | DATA CONVERTERS - ANALOG TO DIGITAL CONVERTER | See Literature sbas306f See Application Notes section for External Voltage Reference Circuit |
| OPA350 | High-Speed, Single-Supply, Rail-to-Rail Operational Amplifiers MicroAmplifier(TM) Series | PRECISION AMPLIFIER - LOW OFFSET VOLTAGE |
Voltage Reference Buffer
See Literature sbas306f See Application Notes section for External Voltage Reference Circuit |
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