4 layers127 × 165 mm
ECU
lflaherty/ev-ecu
Custom ECU (firmware and hardware) for Bespoke Electric Vehicles
258 parts13Apache-2.0
Overview
The LM324DT is an operational Amplifier made by STMicroelectronics in a SOIC-14 package with 14 pins. -15V~-1.5V、1.5V~15V 0℃~+70℃ 1.2mA 1.3MHz 20nA 300nA 30uV/℃ 3V~30V 4 400V/ms 40nV/√Hz@1kHz 5mV 70mA 80dB Built-in compensation SOIC-14 Operational Amplifier ROHS.
PCBKit's library has its KiCad symbol (Amplifier_Operational:LM324, from KiCad's library) and its footprint (Package_SO:SOIC-14_3.9x8.7mm_P1.27mm, from KiCad's library), ready for a KiCad board. 81,912 are in stock at JLCPCB (part C71035). 17 open-source boards in 14 repositories on GitHub use it.
Symbol
Footprint
From the datasheet
13- Supply, least
- 3 V · VCC, single supply recommended operating min · p. 5
- Supply, most
- 30 V · VCC, single supply recommended operating max · p. 5
- Supply, least
- 1.5 V · VCC, dual supply recommended operating min magnitude per rail · p. 5
- Supply, most
- 15 V · VCC, dual supply recommended operating max magnitude per rail · p. 5
- Supply, absolute maximum
- 32 V · VCC, single supply absolute max · p. 4
- Supply, absolute maximum
- 16 V · VCC, dual supply absolute max magnitude per rail · p. 4
- Works from
- 0 °C · LM324 operating ambient min · p. 5
- Works up to
- 70 °C · LM324 operating ambient max · p. 5
- Junction, hottest
- 150 °C · junction temperature absolute max · p. 4
- Takes working
- 700 µA · VCC, all amplifiers, no load, 5 V, 25 °C, typical · p. 6
- Takes at most
- 3 mA · VCC, all amplifiers, no load, 30 V, full temperature range, max · p. 6
- Junction to air (SO14)
- 103 K/W · junction to ambient, single layer board, typical · p. 4
- Junction to case (SO14)
- 31 K/W · junction to case, typical · p. 4
What it is and has
7- Amplifiers
- Four independent operational amplifiers with internal frequency compensation · p. 1
- Gain bandwidth
- 1.3 MHz · p. 1
- Input common mode voltage range
- Includes ground · p. 1
- Voltage gain
- 100 dB · p. 1
- Supply current per amplifier
- 375 µA · p. 1
- Input bias current
- 20 nA · p. 1
- Input offset current
- 2 nA · p. 1
Specifications
54| Parameter | Conditions | As printed | Page |
|---|---|---|---|
| Supply voltage VCC | Single supply | max 32 V | 4 |
| Supply voltage VCC | Dual supply, magnitude per rail | max 16 V | 4 |
| Input voltage Vi | LM324 | min -0.3 · max 32 V | 4 |
| Differential input voltage (1) Vid | max 32 V | 4 | |
| Power dissipation: D suffix Ptot | D suffix | max 400 mW | 4 |
| Input current (3) Iin | Input driven negative | max 50 mA | 4 |
| Storage temperature range Tstg | min -65 · max 150 °C | 4 | |
| Maximum junction temperature Tj | max 150 °C | 4 | |
| Thermal resistance junction to ambient (4) Rthja | SO14, single layer board; typical value | typ 103 °C/W | 4 |
| Thermal resistance junction to case Rthjc | SO14; typical value | typ 31 °C/W | 4 |
| HBM: human body model (5) ESD | LM324 | max 250 V | 4 |
| MM: machine model (6) ESD | max 100 V | 4 | |
| CDM: charged device model ESD | max 1500 V | 4 | |
| Supply voltage VCC | Single supply | min 3 · max 30 V | 5 |
| Supply voltage VCC | Dual supply, magnitude per rail | min 1.5 · max 15 V | 5 |
| Common-mode input voltage range VICM | Tamb= 25 °C; maximum VCC - 1.5 V | min 0 V | 5 |
| Common-mode input voltage range VICM | Tmin. ≤ Tamb ≤ Tmax.; maximum VCC -2 V | min 0 V | 5 |
| Operating temperature range TOper | LM324 | min 0 · max 70 °C | 5 |
| Input offset voltage (1) Vio | LM324, Tamb = 25 °C | typ 2 · max 7 mV | 6 |
| Input offset voltage (1) Vio | LM324, Tmin ≤ Tamb ≤ Tmax | max 9 mV | 6 |
| Input offset current Iio | Tamb = 25 °C | typ 2 · max 20 nA | 6 |
| Input offset current Iio | Tmin ≤ Tamb ≤ Tmax | max 40 nA | 6 |
| Input bias current (2) Iib | Tamb = 25 °C | typ 20 · max 100 nA | 6 |
| Input bias current (2) Iib | Tmin ≤ Tamb ≤ Tmax | max 200 nA | 6 |
| Large signal voltage gain Avd | VCC += 15 V, RL = 2 kΩ, Vo = 1.4 V to 11.4 V, Tamb = 25 °C | min 50 · typ 100 V/mV | 6 |
| Large signal voltage gain Avd | VCC += 15 V, RL = 2 kΩ, Vo = 1.4 V to 11.4 V, Tmin ≤ Tamb ≤ Tmax | min 25 V/mV | 6 |
| Supply voltage rejection ratio SVR | Rs ≤ 10 kΩ, VCC += 5 V to 30 V, Tamb = 25 °C | min 65 · typ 110 dB | 6 |
| Supply voltage rejection ratio SVR | Rs ≤ 10 kΩ, VCC += 5 V to 30 V, Tmin ≤ Tamb ≤ Tmax | min 65 dB | 6 |
| Supply current, all amps, no load ICC | Tamb = 25 °C, VCC = 5V | typ 0.7 · max 1.2 mA | 6 |
| Supply current, all amps, no load ICC | Tamb = 25 °C, VCC = 30 V | typ 1.5 · max 3 mA | 6 |
| Supply current, all amps, no load ICC | Tmin ≤ Tamb ≤ Tmax, VCC = 5 V | typ 0.8 · max 1.2 mA | 6 |
| Supply current, all amps, no load ICC | Tmin ≤ Tamb ≤ Tmax, VCC = 30 V | typ 1.5 · max 3 mA | 6 |
| Input common mode voltage range (3) Vicm | VCC = 30 V, Tamb = 25 °C | min 0 · max 28.5 V | 6 |
| Input common mode voltage range (3) Vicm | VCC = 30 V, Tmin ≤ Tamb ≤ Tmax | min 0 · max 28 V | 6 |
| Common mode rejection ratio CMR | Rs ≤ 10 kΩ, Tamb = 25 °C | min 70 · typ 80 dB | 6 |
| Common mode rejection ratio CMR | Rs ≤ 10 kΩ, Tmin ≤ Tamb ≤ Tmax | min 60 dB | 6 |
| Output current source Isource | Vid = 1 V, VCC = 15 V, Vo = 2 V | min 20 · typ 40 · max 70 mA | 6 |
| Output sink current Isink | Vid = -1 V, VCC = 15 V, Vo = 2 V | min 10 · typ 20 mA | 6 |
| Output sink current Isink | Vid = -1 V, VCC = 15 V, Vo = 0.2 V | min 12 · typ 50 uA | 6 |
| High level output voltage VOH | VCC = 30 V, RL = 2 kΩ, Tamb = 25 °C | min 26 · typ 27 V | 7 |
| High level output voltage VOH | VCC = 30 V, RL = 2 kΩ, Tmin ≤ Tamb ≤ Tmax | min 26 V | 7 |
| High level output voltage VOH | VCC = 30 V, RL = 10 kΩ, Tamb = 25 °C | min 27 · typ 28 V | 7 |
| High level output voltage VOH | VCC = 30 V, RL = 10 kΩ, Tmin ≤ Tamb ≤ Tmax | min 27 V | 7 |
| High level output voltage VOH | VCC = 5 V, RL = 2 kΩ, Tamb = 25 °C | min 3.5 V | 7 |
| High level output voltage VOH | VCC = 5 V, RL = 2 kΩ, Tmin ≤ Tamb ≤ Tmax | min 3 V | 7 |
| Low level output voltage VOL | RL = 10 kΩ, Tamb = 25 °C | typ 5 · max 20 mV | 7 |
| Low level output voltage VOL | RL = 10 kΩ, Tmin ≤ Tamb ≤ Tmax | max 20 mV | 7 |
| Slew rate SR | VCC = 15 V, Vi = 0.5 to 3 V, RL = 2 kΩ, CL = 100 pF, unity gain | typ 0.4 V/us | 7 |
| Gain bandwidth product GBP | VCC = 30 V, f = 100 kHz, Vin=10 mV, RL = 2 kΩ, CL=100 pF | typ 1.3 MHz | 7 |
| Total harmonic distortion THD | f = 1kHz, Av = 20 dB, RL = 2 kΩ, Vo = 2 Vpp, CL = 100 pF, VCC=30 V | typ 0.015 % | 7 |
| Equivalent input noise voltage en | f = 1 kHz, Rs = 100 Ω, VCC = 30 V | typ 40 nV/√Hz | 7 |
| Input offset voltage drift DVio | typ 7 · max 30 uV/°C | 7 | |
| Input offset current drift DIio | typ 10 · max 200 pA/°C | 7 | |
| Channel separation (4) Vo1/Vo2 | 1 kHz ≤ f ≤ 20 kHZ | typ 120 kHz | 7 |
Ordering codes, by the datasheet
1- LM324DT
- SO14 · 0 °C to 70 °C; HBM 250 V, CDM 1.5 kV; input offset voltage maximum 5 mV at 25 °C as printed in the ordering table; marking 324 · p. 17
Parameters
22- Amplifier Type
- General Purpose
- Common Mode Rejection Ratio(CMRR)
- 80dB
- Current - Supply
- 700uA
- Current - Supply(Max)
- 3mA
- Dual Supply
- -15V~-1.5V
- Features
- Built-in compensation
- Gain Bandwidth Product
- 1.3MHz
- Ib - Input Bias Current
- 300nA
- Input Offset Current(Ios)
- 20nA
- Input Offset Voltage Drift(Vos TC)
- 30uV/℃
- Input Voltage Noise Density
- 40nV/√Hz@1kHz
- Junction Temperature(Max)
- 150℃
- Number of Channels
- 4
- Operating Temperature
- 0℃~+70℃
- Output Current
- 70mA
- Quiescent Current
- 1.2mA
- Single supply
- 1.5V~30V
- Slew Rate
- 400V/ms
- Thermal Resistance(Junction to Ambient)
- 103℃/W
- Thermal Resistance(Junction to Case)
- 31℃/W
- Voltage - Supply(Absolute Max)
- 32V
- Vos - Input Offset Voltage
- 5mV
Order codes
1- LM324DTLCSC C71035
Pinout
14| Pin | Name | Type |
|---|---|---|
| 1 | — | Output |
| 2 | - | Input |
| 3 | + | Input |
| 4 | V+ | Power in |
| 5 | + | Input |
| 6 | - | Input |
| 7 | — | Output |
| 8 | — | Output |
| 9 | - | Input |
| 10 | + | Input |
| 11 | V- | Power in |
| 12 | + | Input |
| 13 | - | Input |
| 14 | — | Output |
Open-source boards using it
All 17- 2 layers121 × 75.5 mm
Jlctest
cjheath/jlcbasic
JLC Basic parts library for Kicad fetched and converted from EasyEDA
46 parts5 - 2 layers40 × 30 mm
- 4 layers42.8 × 67.5 mm
PCB Interface
Domfunkle/NHP_Synth
This project implements a dual-channel Direct Digital Synthesis (DDS) signal generator on the ESP32 platform. It features:
80 parts - 2 layers80 × 29 mm
- 4 layers64.3 × 100 mm
- 4 layers222.3 × 146 mm
- 2 layers
Bias controller
loxodes/vna
Under development open hardware microwave vector network analyzer
203 parts205
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Is there a KiCad symbol and footprint for the LM324DT?
Yes. The symbol is Amplifier_Operational:LM324 and the footprint Package_SO:SOIC-14_3.9x8.7mm_P1.27mm, both drawn on this page. PCBKit places them on a board for you when you design with it.
What package is the LM324DT?
SOIC-14, with 14 pins. Its footprint is drawn on this page.
Where is the LM324DT datasheet?
STMicroelectronics publishes it: the Datasheet link on this page opens it.
Where can I order the LM324DT?
JLCPCB lists it as part C71035, with 81,912 in stock; the sellers' links on this page open their listings.
What can replace the LM324DT?
Parts like it in the library: the LM2902DT by STMicroelectronics, the LMV324-SR by Gainsil, the MC33179D by onsemi and the LM324S by IDCHIP. Check their datasheets: a part that fits the footprint may still differ in its ratings.
Which open-source boards use the LM324DT?
17 boards in 14 repositories on GitHub; the most starred are listed on this page, with their KiCad files.
Parts like it
8
LM2902DT
SOIC-14-15V~-1.5V、1.5V~15V -40℃~+125℃ 1.3MHz 1.5mA 10pA/℃ 20nA 2mV 2nA 30V 3V~30V 4 400V/ms 40nV/√Hz@1kHz 70dB 70mA 7uV/℃ SOIC-14 Operational Amplifier ROHSSTMicroelectronicsOperational AmplifierLMV324-SR
SOP-14-1.05V~2.75V -40℃~+125℃ 1MHz 1pA 1pA 2.1V~5.5V 2.7uV/℃ 27nV/√Hz@1kHz 3.5mV 4 40uA 600V/ms 70dB 84mA Built-in compensation、EMI filtering/RF suppression Rail-to-Rail Input, Rail-to-Rail Output SOP-14 Operational Amplifier ROHSGainsilOperational AmplifierMC33179D
SOIC-14-18V~-2V、2V~18V -40℃~+85℃ 1.6mA 100nA 110dB 150uV 2V/us 2uV/℃ 4 5MHz 5nA 7.5nV/√Hz@1kHz 80mA ESD protection SOIC-14 Operational Amplifier ROHSonsemiOperational AmplifierLM324S
SOP-14-15V~-1.5V、1.5V~15V -25℃~+85℃ 1MHz 2.36mA 240mA 30V 3V~30V 4 400V/ms 45nA 50nV/√Hz@1kHz 5nA 7mV 7uV/℃ 90dB SOP-14 Operational Amplifier ROHSIDCHIPOperational AmplifierRS324AXP
SOP-14-2.75V~-1.25V、1.25V~2.75V -40℃~+125℃ 1.1MHz 100pA 10pA 130mA 2.5V~5.5V 22nV/√Hz@1kHz 2uV/℃ 4 4.5mV 500V/ms 60uA 90dB Built-in compensation Rail-to-Rail Input, Rail-to-Rail Output SOP-14 Operational Amplifier ROHSJiangsu RUNIC TechOperational AmplifierRS724XP-Q1
SOIC-14Operational AmplifierJiangsu RUNIC TechLMV824AIYDT
SOIC-14-40℃~+125℃ 1.9V/us 13nV/√Hz@10kHz 180nA 1uV/℃ 2.5V~5.5V 300uA 30nA 4 5.5MHz 70mA 75dB 800uV Enable/shutdown function Rail-to-rail output SOIC-14 Operational Amplifier ROHSSTMicroelectronicsOperational AmplifierLM324AD
SOIC-14-1.5V~15V 0℃~+70℃ 1.3MHz 200nA 20nA 30uV/℃ 3V~30V 3mV 4 400V/ms 40nV/√Hz@1kHz 700uA 70mA 80dB Built-in compensation SOIC-14 Operational Amplifier ROHSSTMicroelectronicsOperational Amplifier