IDCHIP · Operational Amplifier
LM321
IDCHIP Operational Amplifier · SOT-23-5
Request a quote for LM321The LM321 is an Operational Amplifier from IDCHIP, supplied in a SOT-23-5 package. It is listed in our Amplifiers & Comparators catalog (Analog & Mixed Signal).
Key specifications of the LM321: input voltage noise density 40nV/√Hz@1kHz, output current 40mA, single supply 3V~30V, number of channels 1, ib - input bias current 500nA and operating temperature -40°C~+85°C.
PartnerSemi sources the LM321 for production, repair and maintenance buyers worldwide. Send the quantity you need and, optionally, a target price; we reply with price, lead time and available date codes, usually within one business day.
Specifications
| Manufacturer part number | LM321 |
|---|---|
| Manufacturer | IDCHIP |
| Product type | Operational Amplifier |
| Category | Amplifiers & Comparators |
| Package / case | SOT-23-5 |
| Common Mode Rejection Ratio(CMRR) | 85dB |
| Gain Bandwidth Product | 1MHz |
| Ib - Input Bias Current | 500nA |
| Input Voltage Noise Density | 40nV/√Hz@1kHz |
| Number of Channels | 1 |
| Operating Temperature | -40°C~+85°C |
| Output Current | 40mA |
| Quiescent Current | 430uA |
| Single supply | 3V~30V |
| Slew Rate | 400V/ms |
| Vos - Input Offset Voltage | 9mV |
Specifications are indicative and taken from public catalog data; always verify against the manufacturer's datasheet.
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|---|---|---|
| AD4558 | Operational Amplifier | |
| AD8002B | Audio Amplifiers | |
| AD8002D | Audio Amplifiers | |
| LM258D | Operational Amplifier | |
| LM324S | Operational Amplifier | |
| LM339S | Operational Amplifier | |
| LM358 | Operational Amplifier | |
| LM358D | Operational Amplifier |
Similar part numbers from other manufacturers
Similar numbering only — not a confirmed equivalent. Ask us to check compatibility.
| Part number | Manufacturer | Type | |
|---|---|---|---|
| LM321 | DOWO | Operational Amplifier | |
| LM321 | Gcore | Operational Amplifier | |
| LM321 | PJSEMI | Operational Amplifier | |
| LM321 | Slkor SLKORMICRO Electronics | Operational Amplifier | |
| LM321 | Texas Instruments | amplifier IC | |
| LM321LV | Texas Instruments | amplifier IC | |
| LM321MF | HANSCHIP semiconductor | Operational Amplifier | |
| LM321MF | UMW Youtai Semiconductor Co Ltd | Operational Amplifier |
Frequently asked questions
What is the LM321?
The LM321 is an Operational Amplifier from IDCHIP, supplied in a SOT-23-5 package. It is listed in our Amplifiers & Comparators catalog (Analog & Mixed Signal).
What are the specifications of the LM321?
Common Mode Rejection Ratio(CMRR): 85dB; Gain Bandwidth Product: 1MHz; Ib - Input Bias Current: 500nA; Input Voltage Noise Density: 40nV/√Hz@1kHz; Number of Channels: 1; Operating Temperature: -40°C~+85°C; Output Current: 40mA; Quiescent Current: 430uA; Single supply: 3V~30V; Slew Rate: 400V/ms; Vos - Input Offset Voltage: 9mV.
What package is the LM321 in?
The LM321 is listed in a SOT-23-5 package.
Which part numbers are similar to the LM321?
Similar part numbers in our catalog include LM321 (DOWO), LM321 (Gcore), LM321 (PJSEMI), LM321 (Slkor SLKORMICRO Electronics), LM321 (Texas Instruments) and LM321LV (Texas Instruments). Similar numbering does not guarantee compatibility; check the datasheets or ask us to confirm.
How can I buy the LM321?
Request a quote from PartnerSemi at https://www.partnersemi.com/rfq/?mpn=LM321&brand=IDCHIP or email info@partnersemi.com with the part number and quantity. Price, availability and lead time are confirmed per request; we ship worldwide from the Netherlands.