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MS324

Hangzhou Ruimeng Tech · Operational Amplifier · SOP-14

MS324 from Hangzhou Ruimeng Tech, in a SOP-14. Pinout and pin descriptions extracted from the manufacturer datasheet (extract_pins, cross-checked by a second model); symbol, footprint, and 3D from KiCad-official CAD.

Pinout

Pin Name Type Function
1 1OUT output Output of amplifier 1; output short-circuit to ground is continuous only for V+ ≤ 15V at 25°C.
2 1IN- input Inverting input of amplifier 1; input voltage range -0.3V to 40V absolute maximum.
3 1IN+ input Non-inverting input of amplifier 1; common-mode range includes ground, input voltage -0.3V to 40V absolute maximum.
4 V+ power_in Positive supply for all four amplifiers, 2.5V to 36V operating (40V absolute maximum V+ - V-); place a 0.1uF bypass capacitor close to this pin.
5 2IN+ input Non-inverting input of amplifier 2; input voltage -0.3V to 40V absolute maximum.
6 2IN- input Inverting input of amplifier 2; input voltage -0.3V to 40V absolute maximum.
7 2OUT output Output of amplifier 2; output short-circuit to ground is continuous only for V+ ≤ 15V at 25°C.
8 3OUT output Output of amplifier 3; output short-circuit to ground is continuous only for V+ ≤ 15V at 25°C.
9 3IN- input Inverting input of amplifier 3; input voltage -0.3V to 40V absolute maximum.
10 3IN+ input Non-inverting input of amplifier 3; input voltage -0.3V to 40V absolute maximum.
11 V- power_in Negative supply / ground for all four amplifiers (ground in single-supply use; 40V absolute maximum V+ - V-).
12 4IN+ input Non-inverting input of amplifier 4; input voltage -0.3V to 40V absolute maximum.
13 4IN- input Inverting input of amplifier 4; input voltage -0.3V to 40V absolute maximum.
14 4OUT output Output of amplifier 4; output short-circuit to ground is continuous only for V+ ≤ 15V at 25°C.

Key specifications

Parameter Value
Manufacturer Hangzhou Ruimeng Tech
Package SOP-14
Category Amplifiers/Comparators
Pins 14

Electrical characteristics

Limits as printed in the datasheet (page.json metadata.characteristics carries them as data).

Parameter Symbol Min Typ Max Unit Conditions Page
供电电压范围 (supply voltage range, as stated in features/text) 2.5 36 V 1
工作温度 (operating temperature, stated in power-supply section) -40 85 °C 8
电源电压 (supply voltage V+ - V-) V+ - V- 40 V 2
输入电压 (input voltage) -0.3 40 V 2
输入电流 (input current) 50 mA VIN < -0.3V 2
节温 (junction temperature) 150 °C 2
安装温度:引线温度(焊接) 260 °C 焊接,10 秒 2
安装温度:红外线 215 °C 红外线,10 秒 2
存储温度 (storage temperature) Tstg -65 150 °C 2
输入失调电压 (input offset voltage) VOS 3 7 mV 3
输入失调电压 (input offset voltage) VOS 9 mV -40°C ≤ TA ≤ 85°C 3
输入偏置电流 (input bias current) BI 30 250 nA 3
输入偏置电流 (input bias current) BI 500 nA -40°C ≤ TA ≤ 85°C 3
输入失调电流 (input offset current) OS I 5 50 nA 3
输入失调电流 (input offset current) OS I 150 nA -40°C ≤ TA ≤ 85°C 3
输入共模电压范围 (input common-mode voltage range, lower limit) VCM 0 V V+=30V ,CMRR>=50dB 3
共模抑制比 (CMRR) CMRR 65 85 dB RS≤10kΩ 3
大信号增益 (large-signal voltage gain) AVO 88 100 dB V+=15V,RL=2KΩ, VO=1.4V~11.4V 3
大信号增益 (large-signal voltage gain) AVO 83 dB V+=15V,RL=2KΩ, VO=1.4V ~11.4V, -40°C ≤ TJ ≤ 85°C 3
输出高电平摆幅 (output voltage high) VOH 26 V V+=30V,RL=2KΩ, -40°C ≤ TJ ≤ 85°C 3
输出高电平摆幅 (output voltage high) VOH 27 28 V V+=30V,RL=10KΩ, -40°C ≤ TJ ≤ 85°C 3
输出低电平摆幅 (output voltage low) VOL 5 20 mV V+=5V,RL=10KΩ, -40°C ≤ TJ ≤ 85°C 3
输出电流源 (output source current) I SOURCE 20 30 mA VID=+1V,V+=15V,VO=2V 3
输出电流源 (output source current) I SOURCE 10 20 mA ID=+1V,V+=15V,VO=2V, -40°C ≤ TJ ≤ 85°C 3
输出电流沉 (output sink current) I SINK 5 8 mA VID=-1V,V+=15V,VO=2V 3
输出电流沉 (output sink current) I SINK 3 6 mA ID=-1V,V+=15V,VO=2V, -40°C ≤ TJ ≤ 85°C 3
输出电流沉 (output sink current, low VO) I SINK 12 100 uA VID=-1V,V+=15V,VO=0.2V 3
输出短路电流到地 (output short-circuit current to ground) OI 30 85 mA V+=15V 3
电源抑制比 (PSRR) PSRR 65 100 dB RS ≤10kΩ,V+ ≤5V~30V 3
静态电流/放大器 (quiescent current per amplifier) QI 0.43 1.15 mA V+=5V 3
静态电流/放大器 (quiescent current per amplifier) QI 0.7 1.2 mA V+=5V, -40°C ≤ TJ ≤ 85°C 3
静态电流/放大器 (quiescent current per amplifier) QI 0.66 2.85 mA V+=30V 3
静态电流/放大器 (quiescent current per amplifier) QI 1.5 3 mA V+=30V, -40°C ≤ TJ ≤ 85°C 3

CAD (KiCad official)

  • Symbol: MS324
  • Footprint: Package_SO:SOIC-14_3.9x8.7mm_P1.27mm
  • 3D model: SOP-14 (KiCad packages3D, STEP)
  • 3D model files: ms324-etched.step / ms324-etched.glb carry the MPN laser-etched on the die in a toggleable Adom.LaserEtch group (Fusion-ready); ms324.step / ms324.glb are the bare package body.

Provenance

Data extracted from the manufacturer datasheet, not a distributor listing:

  • Datasheet: Hangzhou Ruimeng Tech datasheet (14 pp, sha256 fdcf8a1a1925c383, retrieved 2026-10-19, tier: lcsc)
  • Datasheet language: Chinese. Pin names, descriptions, and specs on this page were extracted and translated to English by ds2sf; the linked PDF is the manufacturer original.
  • Extractor: parts-factory 2.0.0 / extract_pins 0.3, primary claude-sonnet-5-5 (text+vision), consensus claude-opus-5-5 (agreed), guards: pin_guards 0.1: passed. Pins are checked against the footprint pad set and their cited datasheet pages before publish.
  • CAD: KiCad official libraries (CC-BY-SA 4.0).

Datasheet PDF