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Product InformationFeatures
Description
The ADS1225 and ADS1226 are 24-bit delta-sigma analog-to-digital (A/D) converters. They offer excellent performance, ease-of-use, and low power in a small 4mm × 4mm QFN package and are well-suited for demanding high-resolution measurements, especially in portable and other space-saving and power-constrained applications. The ADS1225 and ADS1226 convert on command using a dedicated START pin. Simply pulse this pin to initiate a conversion. Data is read in a single cycle for retrieval over a 2-wire serial interface that easily connects to popular microcontrollers like the MSP430. After the conversion completes, the ADS1225 and ADS1226 automatically shuts down all circuitry. Internal features include a two-channel multiplexer (ADS1226), selectable input buffer, temperature sensor, and oscillator. The full-scale range is defined by the external voltage reference with support provided for up to a 5V differential input signal. Two operating modes allow for speed (100SPS data rate, 15µVRMS noise) or resolution (4µVRMS noise, 16SPS data rate). The ADS1225/6 supports 2.7 to 5.5V analog and digital supplies. Power consumption is 1mW while converting with 3V supplies. The ADS1225 and ADS1226 are fully specified over an extended industrial temperature range of -40°C to +105°C. |
| Price | Packaging | CAD Design Tools | Samples | |||||
| Device | Status | Temp (oC) | Price | Quantity | Package | Pins | Top Side Marking | Package QTY | Package Carrier | Symbols | Samples |
| ADS1226IRGVR | ACTIVE | -40 to 105 | 3.20 | 1ku | QFN (RGV) | 16 | View | 2500 | LARGE T&R | Purchase Samples | |
| ADS1226IRGVRG4 | ACTIVE | -40 to 105 | 3.20 | 1ku | QFN (RGV) | 16 | View | 2500 | LARGE T&R | Purchase Samples | |
| ADS1226IRGVT | ACTIVE | -40 to 105 | 3.50 | 1ku | QFN (RGV) | 16 | View | 250 | SMALL T&R | ||
| ADS1226IRGVTG4 | ACTIVE | -40 to 105 | 3.50 | 1ku | QFN (RGV) | 16 | View | 250 | SMALL T&R | ||
* 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.
| TI Inventory Status | Reported Distributor Inventory | |||||
| ADS1226IRGVR | As of 12:12 PM GMT, 03 Jul 2009 | As of 12:12 PM GMT, 03 Jul 2009 | ||||
| Lead Time | Region | Company | In Stock | Purchase | ||
| 14 Weeks | Americas | DigiKey | Available | |||
| ADS1226IRGVRG4 | As of 12:12 PM GMT, 03 Jul 2009 | As of 12:12 PM GMT, 03 Jul 2009 | ||||
| Lead Time | Region | Company | In Stock | Purchase | ||
| 14 Weeks | Americas | DigiKey | Available | |||
| ADS1226IRGVT | As of 12:12 PM GMT, 03 Jul 2009 | As of 12:12 PM GMT, 03 Jul 2009 | ||||
| Lead Time | Region | Company | In Stock | Purchase | ||
| 14 Weeks | Americas | DigiKey | 216 | |||
| Mouser Electronics | 143 | |||||
| Newark | 39 | |||||
| Europe | Farnell | 23 | ||||
| ADS1226IRGVTG4 | As of 12:12 PM GMT, 03 Jul 2009 | As of 12:12 PM GMT, 03 Jul 2009 | ||||
| Lead Time | Region | Company | In Stock | Purchase | ||
| 14 Weeks | Americas | DigiKey | Available | |||
** 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 |
| ADS1226IRGVR | Green (RoHS & no Sb/Br) | CU NIPDAU | Level-2-260C-1 YEAR | View | View |
| ADS1226IRGVRG4 | Green (RoHS & no Sb/Br) | CU NIPDAU | Level-2-260C-1 YEAR | View | View |
| ADS1226IRGVT | Green (RoHS & no Sb/Br) | CU NIPDAU | Level-2-260C-1 YEAR | View | View |
| ADS1226IRGVTG4 | Green (RoHS & no Sb/Br) | CU NIPDAU | Level-2-260C-1 YEAR | 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 ADS1226 
| Name | Part # | Company | Tool / Software Type |
| Anti-Aliasing Calculation Tool for A to D Converters | ANTIALIASINGCALC | Texas Instruments | Calculation Utilities |
| Op Amp to ADC Circuit Topology Calculator | ADC-INPUT-CALC | Texas Instruments | Calculation Utilities |
| Part # | Name | Product Family | Comments |
| ADS1232 | 24-Bit, Ultra Low-Noise Analog-to-Digital Converter | The device has SIMILAR FUNCTIONALITY but is not functionally equivalent to the compared device. 2 channel 20 bit bridge type device | |
| ADS1222 | 24-Bit A/D Conv with 2-Channel Diff Input Multiplexer | The device has SIMILAR FUNCTIONALITY but is not functionally equivalent to the compared device. Functionally similar device but no onboard oscillator | |
| ADS1112 | 16-bit 240SPS ADC, 2 Ch. Diff/3 Single-end input, Low power Complete System in MSOP-10 | The device has SIMILAR FUNCTIONALITY but is not functionally equivalent to the compared device. | |
| ADS1225 | 24-bit, 100SPS ADC with Differential Input and Internal Oscillator | Single channel version of ADS1226 | |
| OPA365 | 2.2V, 50MHz, Low-Noise, Single-Supply Rail-to-Rail Operational Amplifier | PRECISION AMPLIFIERS - LOW OFFSET VOLTAGE | OPERATIONAL AMPLIFIER |
| OPA333 | 1.8V, 17uA, 2uV, microPOWER CMOS Zero-Drift Series Operational Amplifier | PRECISION AMPLIFIERS - LOW OFFSET VOLTAGE | OPERATIONAL AMPLIFIER |
| REF5025 | Low Noise, Very Low Drift, Precision Voltage Reference | REFERENCES - SERIES VOLTAGE REFERENCES | SERIES VOLTAGE REFERENCE |
| Customers Who Evaluated This Product Also Evaluated... | |||
| ADS1222 | 24-Bit A/D Conv with 2-Channel Diff Input Multiplexer | TI customers also evaluated this product. | |
| ADS1232 | 24-Bit, Ultra Low-Noise Analog-to-Digital Converter | TI customers also evaluated this product. | |
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| REF3020 | 2.048V 50ppm/Degrees C, 50uA in SOT23-3 Series (Bandgap) Voltage Reference | REFERENCES-SERIES VOLTAGE REFERENCES | TI customers also evaluated this product. |

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