LM321A-TR

LM321A-TR is a 3PEAK single operational amplifier in a SOT-23-5 package — a low-power general-purpose op amp for sensing, buffering and control loops, specified here strictly from 3PEAK's own datasheet: 3 V to 36 V supply range, 200 µA quiescent current, 0.9 MHz gain-bandwidth product and 3 mV input offset voltage. 3PEAK lists this part in Production on its own site. The maker is the specification, and this page's central warning: the LM321 name is sold by several manufacturers, and 3PEAK's die and datasheet are its own — do not design or qualify this code against TI's LM321 documentation or any other maker's same-name datasheet, because offset, supply current and bandwidth figures differ between them. Selection advice: the wide 36 V ceiling in a SOT-23-5 is what sets this part apart from 5 V-class single op amps — it fits industrial sensor interfaces and battery-monitoring front ends fed from higher rails; the 3 mV offset rules it out of precision DC paths without trimming. The -TR suffix is the tape-and-reel ordering form. Parameters verified against 3PEAK documentation.