AS321KTR-G1

$0.46

Description：IC OPAMP GP 1 CIRCUIT SOT25
Series：-
Mfr：Diodes Incorporated
Package：Tape & Reel (TR),Cut Tape (CT)

SKU:3b277e6c3a66 Category: Instrumentation, Op Amps, Buffer Amps Brand: Diodes Incorporated

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Product introduction

Product Detailed Parameters

Description：IC OPAMP GP 1 CIRCUIT SOT25
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-25
-3db Bandwidth：-

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AS321KTR-G1

Overview

The AS321KTR-G1 is a low-power single operational amplifier designed for single or split power supply operation. It features internally frequency compensation and operates within a wide voltage range of 3V to 36V (single) or ±1.5V to ±18V (dual). The device offers a typical large signal voltage gain of 100dB, an input bias current of 20nA, and an input offset voltage of 2mV. Supply current is typically 0.35mA at 5V. It is housed in a lead-free SOT25 package.

Feature Summary

Internally frequency compensated for stability without external components
Wide common-mode input voltage range extending from ground to VCC-1.5V
Low power supply current drain independent of supply voltage magnitude
Compatible with industry standard 321 pinouts

Applications

Battery chargers
Active filters
General purpose controllers and instruments

Procurement Notes

Verify the RoHS compliant and Green marking ID G6T on the component body to confirm the specific AS321KTR-G1 variant. Ensure the ordering suffix matches the required tape and reel quantity of 3000 units. Confirm that the application environment remains within the specified -40°C to +85°C operating temperature range.

Selection Notes

Select this component when a single-channel op amp with rail-to-rail-like input capability near ground is required. It serves as a direct replacement for legacy 321 series amplifiers. Consider its 40mA output sourcing capability for moderate load driving needs. Verify compatibility with existing PCB footprints designed for the SOT25 package.

Part Context

This part belongs to the AS321 series of low-power operational amplifiers manufactured by Diodes Incorporated. It is the active production version replacing the AS321KTR-E1, which is marked as Not Recommended for New Design (NRND). Both share identical electrical characteristics but differ in packaging compliance standards.

Replacement Considerations

The AS321KTR-E1 is the primary alternative part number, though it is designated as Not Recommended for New Design (NRND). No other substitute part numbers are documented in the official datasheet.