Maxim has introduced the MAX4036-MAX4039, claimed to be the industry's smallest submicro op-amps with and without an integrated reference voltage. The MAX4037 (single) and MAX4039 (dual) feature a 1,232 V ±5%, 80 ppm/°C (max) voltage reference capable of sourcing 100 µA and sinking 20 µA.
These devices operate from a 1,8 to 3,6 V supply, while consuming only 1,9 µA of supply current at 1,8 V. The MAX4036/MAX4038 (single and dual, respectively) operate down to 1,4 V and consume only 800 nA per channel without a reference.
Available in TDFN and µMAX packages, the MAX4038/MAX4039 are suited for applications where power consumption and space are an issue. The MAX4036/MAX4037 are available in tiny 5-pin SC70 and 6-pin SOT23 packages. To maximise a system's performance and operating duration, all devices are guaranteed to operate to the end of battery life of two NiMH, NiCd, or alkaline batteries (1,8 V).
Other op-amp features include a common-mode range from ground to VDD -300 mV, outputs that swing rail-to-rail, ultra-low current inputs with less than 10 pA of input current, precision-trimmed 200 µV input-offset voltage, and unity-gain stability with up to 5000 pF of capacitive load.
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