ADI GAS DETECTOR SOLUTION AND NEW PRODUCTS BASED ON NDIR AND PID
●This is the second article for NDIR (nondispersive infrared) gas detector solutions and PID (photoionization) gas detector solutions. In the first article, the application, theory of operation, circuit architecture, and design considerations for these solutions were discussed. In this article, a related new demo system and product from ADI will be introduced. For the first article, please refer to the APM (application per month) link at the end of this article.
■New Product from ADI
●ADA4530-1: Femtoampere Input Bias Current Electrometer Amplifier
●The ADA4530-1 is a femtoampere (10 fA) level input bias current operational amplifier suitable for use as an electrometer that also includes an integrated guard buffer. It has an operating voltage range of 4.5 V to 16 V, enabling it to operate in conventional 5 V and 10 V single-supply systems, as well as ±2.5 V and ±5 V dual-supply systems.
●It provides ultralow input bias currents that are production tested at temperature to ensure devices meet their performance goals in user systems. The integrated guard buffer is provided to isolate the input pins from leakage in the printed circuit board (PCB), minimize board component count, and enable ease of system design. The ADA4530-1 is available in an industry-standard, surface-mount, 8-lead SOIC package with a unique pinout optimized to prevent signals from coupling between the sensitive input pins, the power supplies, and the output pin while enabling easy routing of the guard ring traces
●The ADA4530-1 also offers low offset voltage, low offset drift, and low voltage and current noise needed for the types of applications that require such low leakages. To maximize the dynamic range of the system, the ADA4530-1 has a rail-to-rail output stage that can typically drive to within 30 mV of the supply rails under a 10 kΩ load
●The ADA4530-1 operates over the −40°C to +125°C industrial temperature range and is available in an 8-lead SOIC package
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ADA4530-1 、 AD8629 、 ADA4528-2 、 AD7798 、 ADuCM361 、 ADR423 、 ADR4533 、 ADP2503 、 ADP2370 、 ADP160 、 AD5420 、 ADM2483 、 AD5749 、 AD549 、 AD8605 、 AD7190 、 AD7175-2 |
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Electrometer Amplifier 、 current operational amplifier 、 ADC 、 Microcontroller 、 ADCs |
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[ GAS DETECTOR ] |
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Supplier and Product Introduction |
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Please see the document for details |
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SOIC |
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English Chinese Chinese and English Japanese |
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BR14708-0-1/16 |
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329 KB |
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