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AS321KTR-E1
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Product Detailed Parameters
- Description：IC OPAMP GP 1 CIRCUIT SOT23-5
- Series：-
- Mfr：Diodes Incorporated
- Package：Tape & Reel (TR),Cut Tape (CT)
- Amplifier Type：General Purpose
- Number of Circuits：1
- Output Type：-
- Slew Rate：-
- Gain Bandwidth Product：-
- Current - Input Bias：20 nA
- Voltage - Input Offset：2 mV
- Current - Supply：450µA
- Current - Output / Channel：40 mA
- Voltage - Supply Span (Min)：3 V
- Voltage - Supply Span (Max)：36 V
- Operating Temperature：-40°C ~ 85°C
- Grade：-
- Qualification：-
- Mounting Type：Surface Mount
- Package / Case：SC-74A, SOT-753
- Supplier Device Package：SOT-23-5
- -3db Bandwidth：-
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Overview
The AS321KTR-E1 is a low-power single operational amplifier designed for single or split power supply operation. It features internally frequency compensation and high gain. The device operates within a wide supply voltage range of 3V to 36V (single) or ±1.5V to ±18V (dual). Key electrical parameters include a typical input bias current of 20nA, an input offset voltage of 2mV, and a supply current of 0.35mA at 5V. It utilizes the SOT25 package with a tape and reel quantity of 3000.
Feature Summary
- Internally frequency compensated for stability in standard configurations
- Low power supply current drain independent of supply voltage magnitude
- Wide input common mode voltage range extending from ground to VCC-1.5V
- Compatible with industry standard 321 pinouts
Applications
- Battery charger circuits
- Active filters
- General purpose controllers and instruments
Procurement Notes
Verify component status carefully as the AS321KTR-E1 is designated Not Recommended for New Design (NRND). Confirm that the E1 suffix indicates a lead-free RoHS compliant package distinct from the G1 green molding variant. Ensure procurement channels provide traceable documentation matching Diodes Incorporated specifications before integration into production schedules.
Selection Notes
Select this component when existing designs require compatibility with legacy 321 architectures. Evaluate thermal resistance characteristics suitable for the SOT25 package under expected ambient conditions. Consider the NRND status and verify if the recommended alternative meets all functional requirements without necessitating layout modifications.
Part Context
This part belongs to the AS321 series of low-power operational amplifiers manufactured by Diodes Incorporated. It serves as a direct replacement for generic 321-type amplifiers in space-constrained applications. The specific KTR-E1 designation identifies the SOT25 surface mount package configuration with tape and reel packaging optimized for automated assembly processes.
Replacement Considerations
The datasheet explicitly identifies AS321KTR-G1 as the recommended alternative for new designs. Verify mechanical footprint compatibility between the E1 and G1 packages to ensure seamless substitution without PCB rework.
