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Product InformationFeatures
All trademarks are the property of their respective owners. Description
The ADS1242 and ADS1243 are precision, wide dynamic range, delta-sigma, analog-to-digital (A/D) converters with 24-bit resolution operating from 2.7V to 5.25V supplies. These delta-sigma, A/D converters provide up to 24 bits of no missing code performance and effective resolution of 21 bits. The input channels are multiplexed. Internal buffering can be selected to provide a very high input impedance for direct connection to transducers or low-level voltage signals. Burnout current sources are provided that allow for the detection of an open or shorted sensor. An 8-bit digital-to-analog converter (DAC) provides an offset correction with a range of 50% of the FSR (Full-Scale Range). The Programmable Gain Amplifier (PGA) provides selectable gains of 1 to 128 with an effective resolution of 19 bits at a gain of 128. The A/D conversion is accomplished with a second-order delta-sigma modulator and programmable FIR filter that provides a simultaneous 50Hz and 60Hz notch. The reference input is differential and can be used for ratiometric conversion. The serial interface is SPI compatible. Up to eight bits of data I/O are also provided that can be used for input or output. The ADS1242 and ADS1243 are designed for high-resolution measurement applications in smart transmitters, industrial process control, weight scales, chromatography, and portable instrumentation. |
| Price | Packaging | CAD Design Tools | Samples | ||||||
| Device | Status | Temp (oC) | Price | Quantity | Package | Pins | Top Side Marking | Package QTY | Package Carrier | Symbols | Footprints | Samples |
| ADS1243IPWR | ACTIVE | -40 to 85 | 3.95 | 1ku | TSSOP (PW) | 20 | View | 2500 | LARGE T&R | Purchase Samples | ||
| ADS1243IPWRG4 | ACTIVE | -40 to 85 | 3.95 | 1ku | TSSOP (PW) | 20 | View | 2500 | LARGE T&R | Purchase Samples | ||
| ADS1243IPWT | ACTIVE | -40 to 85 | 4.35 | 1ku | TSSOP (PW) | 20 | View | 250 | SMALL T&R | |||
| ADS1243IPWTG4 | ACTIVE | -40 to 85 | 4.35 | 1ku | TSSOP (PW) | 20 | 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 | |||||
| ADS1243IPWR | 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 | ||
| 16 Weeks | Americas | DigiKey | Available | |||
| ADS1243IPWRG4 | 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 | ||
| 16 Weeks | Americas | DigiKey | Available | |||
| ADS1243IPWT | 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 | ||
| 16 Weeks | Americas | DigiKey | >1k | |||
| Mouser Electronics | >1k | |||||
| Newark | 580 | |||||
| Asia | WPI | 154 | ||||
| Europe | Compel | 348 | ||||
| ADS1243IPWTG4 | 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 | ||
| 16 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 |
| ADS1243IPWR | Green (RoHS & no Sb/Br) | CU NIPDAU | Level-1-260C-UNLIM | View | View |
| ADS1243IPWRG4 | Green (RoHS & no Sb/Br) | CU NIPDAU | Level-1-260C-UNLIM | View | View |
| ADS1243IPWT | Green (RoHS & no Sb/Br) | CU NIPDAU | Level-1-260C-UNLIM | View | View |
| ADS1243IPWTG4 | 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 ADS1243 
| 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 |
| ADS1241 | 24-Bit Analog-to-Digital Converter | The device has SIMILAR FUNCTIONALITY but is not functionally equivalent to the compared device. Has a different package than ADS1243 | |
| ADS1242 | 24-Bit ADC, 4 Ch, PGA 1:128, 50/60 Hz Notch, 0.6 mW Power Consumption | The device has SIMILAR FUNCTIONALITY but is not functionally equivalent to the compared device. Has 4 serial and 2 Diff channels | |
| ADS1232 | 24-Bit, Ultra Low-Noise Analog-to-Digital Converter | The device has SIMILAR FUNCTIONALITY but is not functionally equivalent to the compared device. | |
| ADS1234 | 24-Bit, Ultra Low-Noise Analog-to-Digital Converter | The device has SIMILAR FUNCTIONALITY but is not functionally equivalent to the compared device. | |
| ADS1218 | 24-Bit, 780 SPS ADC w/FLASH Memory, 8 CH, Vref, Buffer, 2 IDACs, Serial Out, Digital I/O, Low Power | The device has SIMILAR FUNCTIONALITY but is not functionally equivalent to the compared device. Has a higher sampling rate | |
| OPA333 | 1.8V, 17uA, 2uV, microPOWER CMOS Zero-Drift Series Operational Amplifier | PRECISION AMPLIFIERS - LOW OFFSET VOLTAGE | OPERATIONAL AMPLIFIER |
| OPA369 | 1.8V, 700nA, Zero-Crossover Rail-To-Rail I/O Operational Amplifier | PRECISION AMPLIFIERS - LOW POWER | OPERATIONAL AMPLIFIER |
| REF5025 | Low Noise, Very Low Drift, Precision Voltage Reference | REFERENCES - SERIES VOLTAGE REFERENCES | SERIES VOLTAGE REFERENCE |
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