2 layers19 × 108.4 mm
Overview
The LM321MF is an operational Amplifier made by HANSCHIP semiconductor in a SOT-23-5 package with 5 pins. -40℃~+85℃ 1 1MHz 20mA 3V~32V 400V/ms 40nV/√Hz@1kHz 430uA 45nA 5mV 5nA 85dB SOT-23-5 Operational Amplifier ROHS.
PCBKit's library has its KiCad symbol (Amplifier_Operational:LM321, from KiCad's library) and its footprint (Package_TO_SOT_SMD:SOT-23-5, from KiCad's library), ready for a KiCad board. 5,218 are in stock at JLCPCB (part C19723728). 5 open-source boards in 4 repositories on GitHub use it.
Symbol
Footprint
From the datasheet
8- Supply, least
- 3 V · V+, recommended operating minimum relative to V− · p. 3
- Supply, most
- 30 V · V+, recommended operating maximum relative to V− · p. 3
- Supply, absolute maximum
- 32 V · V+ − V−, absolute maximum · p. 3
- Works from
- -40 °C · Operating temperature minimum · p. 3
- Works up to
- 85 °C · Operating temperature maximum · p. 3
- Junction, hottest
- 150 °C · Junction temperature absolute maximum · p. 3
- Takes working
- 430 µA · VCC = 5 V, TA = 25°C, typical supply current · p. 1
- Junction to air (SOT-23-5)
- 265 K/W · Junction to ambient, package soldered directly onto a PC board · p. 3
What it is and has
6- Amplifier
- Low power single op amp · p. 1
- Gain-Bandwidth Product
- 1MHz · p. 1
- Input Bias Current
- 45nA typical · p. 1
- Capacitive load stability
- Stable with high capacitive loads · p. 1
- Family relationship
- Single version of LM324 · p. 1
- Package
- SOT23-5 · p. 1
Specifications
43| Parameter | Conditions | As printed | Page |
|---|---|---|---|
| Input Current | VIN < −0.3V; note (2) | max 50 mA | 3 |
| Supply Voltage (V+ - V−) | max 32 V | 3 | |
| Input Voltage | min -0.3 · max 32 V | 3 | |
| Storage Temperature Range | min -65 · max 150 °C | 3 | |
| Junction Temperature | Note (4) | max 150 °C | 3 |
| Lead Temp (Soldering, 10 sec) | Mounting Temperature | max 260 °C | 3 |
| Infrared (10 sec) | Mounting Temperature | max 215 °C | 3 |
| Thermal Resistance to Ambient (θJA) θJA | SOT-23-5; soldered directly onto a PC board | max 265 °C/W | 3 |
| ESD Tolerance | Human Body Model, 1.5kΩ in series with 100pF; note (5) | max 300 V | 3 |
| Temperature Range | min -40 · max 85 °C | 3 | |
| Supply Voltage | min 3 · max 30 V | 3 | |
| Input Offset Voltage VOS | First maximum limit; temperature formatting unavailable | max 7 mV | 4 |
| Input Offset Voltage VOS | TA = 25°C; V+ = 5V, V− = 0V, VO = 1.4V | typ 5 mV | 4 |
| Input Offset Current IOS | First maximum limit; temperature formatting unavailable | max 50 nA | 4 |
| Input Offset Current IOS | TA = 25°C; V+ = 5V, V− = 0V, VO = 1.4V | typ 5 nA | 4 |
| Input Offset Current IOS | Second maximum limit; temperature formatting unavailable | max 150 nA | 4 |
| Input Bias Current (4) IB | First maximum limit; temperature formatting unavailable | max 250 nA | 4 |
| Input Bias Current (4) IB | TA = 25°C; V+ = 5V, V− = 0V, VO = 1.4V | typ 45 nA | 4 |
| Input Bias Current (4) IB | Second maximum limit; temperature formatting unavailable | max 500 nA | 4 |
| Input Common-Mode Voltage Range VCM | V+ = 30V; For CMRR > = 50dB; upper limits printed as V+ - 1.5 and V+ -2 | min 0 V | 4 |
| Large Signal Voltage Gain AV | V+ = 15V, RL = 2kΩ; VO = 1.4V to 11.4V; first minimum limit | min 25 V/mV | 4 |
| Large Signal Voltage Gain AV | TA = 25°C; V+ = 15V, RL = 2kΩ; VO = 1.4V to 11.4V | typ 100 V/mV | 4 |
| Large Signal Voltage Gain AV | V+ = 15V, RL = 2kΩ; VO = 1.4V to 11.4V; second minimum limit | min 15 V/mV | 4 |
| Power Supply Rejection Ratio PSRR | RS ≤ 10kΩ; V+ ≤ 5V to 30V | min 65 · typ 100 dB | 4 |
| Common Mode Rejection Ratio CMRR | RS ≤ 10kΩ | min 65 · typ 85 dB | 4 |
| Output Swing VOH | V+ = 30V, RL = 2kΩ | min 26 V | 4 |
| Output Swing VOH | V+ = 30V, RL = 10kΩ | min 27 · typ 28 V | 4 |
| Output Swing VOL | V+ = 5V, RL = 10kΩ | typ 5 · max 20 mV | 4 |
| Supply Current, No Load IS | V+ = 5V; first pair of limits; temperature formatting unavailable | typ 0.43 · max 1.15 mA | 4 |
| Supply Current, No Load IS | V+ = 5V; second pair of limits; temperature formatting unavailable | typ 0.7 · max 1.2 mA | 4 |
| Supply Current, No Load IS | V+ = 30V; first pair of limits; temperature formatting unavailable | typ 0.66 · max 2.85 mA | 4 |
| Supply Current, No Load IS | V+ = 30V; second pair of limits; temperature formatting unavailable | typ 1.5 · max 3 mA | 4 |
| Output Current Sourcing ISOURCE | VID = +1V, V+ = 15V, VO = 2V; first pair of limits | min 20 · typ 40 mA | 4 |
| Output Current Sourcing ISOURCE | VID = +1V, V+ = 15V, VO = 2V; second pair of limits | min 10 · typ 20 mA | 4 |
| Output Current Sinking ISINK | VID = −1V, V+ = 15V, VO = 2V; first pair of limits | min 10 · typ 20 mA | 4 |
| Output Current Sinking ISINK | VID = −1V, V+ = 15V, VO = 2V; second pair of limits | min 5 · typ 8 mA | 4 |
| Output Current Sinking ISINK | VID = −1V, V+ = 15V, VO = 0.2V | min 12 · typ 100 uA | 4 |
| Output Short Circuit to Ground (6) IO | V+ = 15V | typ 40 · max 85 mA | 4 |
| Slew Rate SR | V+ = 15V, RL = 2kΩ, VIN = 0.5 to 3V, CL = 100pF, Unity Gain | typ 0.4 V/us | 4 |
| Gain Bandwidth Product GBW | V+ = 30V, f = 100kHz, VIN = 10mV, RL =2kΩ, CL = 100pF | typ 1 MHz | 4 |
| Phase Margin φm | Unless otherwise specified: TA = 25°C; V+ = 5V, V− = 0V, VO = 1.4V | typ 60 deg | 4 |
| Total Harmonic Distortion THD | f = 1kHz, AV = 20dB, RL = 2kΩ, VO = 2VPP, CL = 100pF, V+ = 30V | typ 0.015 % | 4 |
| Equivalent Input Noise Voltage en | f = 1kHz, RS = 100Ω, V+ = 30V | typ 40 nV Hz | 4 |
Ordering codes, by the datasheet
1- LM321MF
- SOT-23-5 · Marking M321,A63A; REEL; 3000pcs/reel · p. 1
Parameters
16- Common Mode Rejection Ratio(CMRR)
- 85dB
- Current - Supply
- 430uA
- Gain Bandwidth Product
- 1MHz
- Ib - Input Bias Current
- 45nA
- Input Offset Current(Ios)
- 5nA
- Input Voltage Noise Density
- 40nV/√Hz@1kHz
- Junction Temperature(Max)
- 150℃
- Number of Channels
- 1
- Operating Temperature
- -40℃~+85℃
- Output Current
- 20mA
- Quiescent Current
- 430uA
- Single supply
- 3V~30V
- Slew Rate
- 400V/ms
- Thermal Resistance(Junction to Ambient)
- 265℃/W
- Voltage - Supply(Absolute Max)
- 32V
- Vos - Input Offset Voltage
- 5mV
Order codes
1- LM321MFLCSC C19723728
Pinout
5| Pin | Name | Type |
|---|---|---|
| 1 | + | Input |
| 2 | V- | Power in |
| 3 | - | Input |
| 4 | — | Output |
| 5 | V+ | Power in |
Open-source boards using it
All 5- 2 layers112.9 × 49.1 mm
- 2 layers19 × 108.4 mm
- 2 layers29.2 × 106.7 mm
- 2 layers149 × 28.7 mm
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Is there a KiCad symbol and footprint for the LM321MF?
Yes. The symbol is Amplifier_Operational:LM321 and the footprint Package_TO_SOT_SMD:SOT-23-5, both drawn on this page. PCBKit places them on a board for you when you design with it.
What package is the LM321MF?
SOT-23-5, with 5 pins. Its footprint is drawn on this page.
Where is the LM321MF datasheet?
HANSCHIP semiconductor publishes it: the Datasheet link on this page opens it.
Where can I order the LM321MF?
JLCPCB lists it as part C19723728, with 5,218 in stock; the sellers' links on this page open their listings.
What can replace the LM321MF?
Parts like it in the library: the LMV321IDBVR by UMW, the LM321MF by UMW, the TLV9061IDBV by Texas Instruments and the LM321-TR by Gainsil. Check their datasheets: a part that fits the footprint may still differ in its ratings.
Which open-source boards use the LM321MF?
5 boards in 4 repositories on GitHub; the most starred are listed on this page, with their KiCad files.
Parts like it
8
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