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MS324
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Hangzhou Ruimeng Tech Operational Amplifier, SOP-14. Pinout cross-checked by two models against the datasheet, KiCad symbol/footprint/3D.
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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.glbcarry the MPN laser-etched on the die in a toggleableAdom.LaserEtchgroup (Fusion-ready);ms324.step/ms324.glbare 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, primaryclaude-sonnet-5-5(text+vision), consensusclaude-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).
# 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](https://jlcpcb.com/api/file/downloadByFileSystemAccessId/8588908175386398720) (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](docs/ms324-datasheet.pdf)