# LM224G-S14-R

**UTC(Unisonic Tech)** · Operational Amplifier · SOIC-14

LM224G-S14-R from UTC(Unisonic Tech), in a SOIC-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 | OUT1 | output | Output of amplifier 1. |
| 2 | IN1(-) | input | Inverting input of amplifier 1; input voltage range -0.3 V to +32 V. |
| 3 | IN1(+) | input | Non-inverting input of amplifier 1; input voltage range -0.3 V to +32 V. |
| 4 | VCC | power_in | Positive supply voltage, single supply 3 V to 30 V with an absolute maximum of 32 V. |
| 5 | IN2(+) | input | Non-inverting input of amplifier 2; input voltage range -0.3 V to +32 V. |
| 6 | IN2(-) | input | Inverting input of amplifier 2; input voltage range -0.3 V to +32 V. |
| 7 | OUT2 | output | Output of amplifier 2. |
| 8 | OUT3 | output | Output of amplifier 3. |
| 9 | IN3(-) | input | Inverting input of amplifier 3; input voltage range -0.3 V to +32 V. |
| 10 | IN3(+) | input | Non-inverting input of amplifier 3; input voltage range -0.3 V to +32 V. |
| 11 | GND | power_in | Ground reference for the supply and for all voltage values except differential voltages. |
| 12 | IN4(+) | input | Non-inverting input of amplifier 4; input voltage range -0.3 V to +32 V. |
| 13 | IN4(-) | input | Inverting input of amplifier 4; input voltage range -0.3 V to +32 V. |
| 14 | OUT4 | output | Output of amplifier 4. |

## Key specifications

| Parameter | Value |
|---|---|
| Manufacturer | UTC(Unisonic Tech) |
| Package | SOIC-14 |
| Category | Amplifiers |
| 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 |
|---|---|---|---|---|---|---|---|
| Supply Voltage | VCC |  |  | 32 | V |  | 3 |
| Differential Input Voltage | VI(DIFF) | -32 |  | 32 | V |  | 3 |
| Input Voltage | VIN | -0.3 |  | 32 | V |  | 3 |
| Power Dissipation | PD |  |  | 900 | mW | TA=25°C | 3 |
| Operation Temperature | TOPR | -25 |  | 85 | °C |  | 3 |
| Storage Temperature | TSTG | -40 |  | 150 | °C |  | 3 |
| Thermal Resistance Junction-Ambient SOP-14 | θJA |  | 86 |  | °C/W | SOP-14 | 3 |
| Input Offset Voltage | VIN(OS) |  | 3 | 5 | mV | TA=25°C, VCC=5V to 30V, VIC=VICR(min), VOUT=1.4V | 3 |
| Input Offset Voltage | VIN(OS) |  |  | 7 | mV | TA=-25~85°C, VCC=5V to 30V, VIC=VICR(min), VOUT=1.4V | 3 |
| Input Offset Current | IIN(OS) |  | 2 | 30 | nA | TA=25°C, VOUT=1.4V | 3 |
| Input Offset Current | IIN(OS) |  |  | 100 | nA | TA=-25~85°C, VOUT=1.4V | 3 |
| Input Bias Current | IB |  | -20 | -150 | nA | TA=25°C, VOUT=1.4V | 3 |
| Input Bias Current | IB |  |  | -300 | nA | TA=-25~85°C, VOUT=1.4V | 3 |
| Output Voltage High | VOH | 26 |  |  | V | TA=-25~85°C, VCC=30V, RL=2kΩ | 3 |
| Output Voltage High | VOH | 27 | 28 |  | V | VCC=30V, RL≥10kΩ | 3 |
| Output Voltage Low | VOL |  | 5 | 20 | mV | TA=-25~85°C, RL ≤ 10kΩ | 3 |
| Large Signal Gain | GV | 50 | 100 |  | V/mV | TA=25°C, VCC=15V, VOUT=1V ~ 11V, RL≥2kΩ | 3 |
| Large Signal Gain | GV | 25 |  |  | V/mV | TA=-25~85°C, VCC=15V, VOUT=1V ~ 11V, RL≥2kΩ | 3 |
| Common-mode Rejection Ratio | CMRR | 70 | 80 |  | dB | TA=25°C, VIC=VICR(min) | 3 |
| Supply Voltage Rejection Ratio | SVR | 65 | 100 |  | dB | TA=25°C | 3 |
| Output Current (source) | IOUT | -20 | -30 | -60 | mA | TA=25°C, VCC=15V, VID=1V, VOUT=0 | 3 |
| Output Current (source) | IOUT | -10 |  |  | mA | TA=-25~85°C, VCC=15V, VID=1V, VOUT=0 | 3 |
| Output Current (sink) | IOUT | 10 | 20 |  | mA | TA=25°C, VCC=15V, VID=-1V, VOUT=15V | 3 |
| Output Current (sink) | IOUT | 5 |  |  | mA | TA=-25~85°C, VCC=15V, VID=-1V, VOUT=15V | 3 |
| Output Current (sink) | IOUT | 12 | 30 |  | µA | TA=25°C, VID=-1V, VOUT=200mV | 3 |
| Short-circuit Output Current | IOS |  | 40 | 60 | mA | TA=25°C, VCC=5V, VOUT=0, GND at -5V; printed ± 40 ± 60 | 3 |
| Supply Current | ICC |  | 0.7 | 1.2 | mA | TA=-25~85°C, VOUT=2.5V, RL=∞ | 3 |
| Supply Current | ICC |  | 1.4 | 3 | mA | TA=-25~85°C, VCC=30V, VOUT=0.5VCC, RL=∞ | 3 |
| Crosstalk Attenuation | VO1/VO2 |  | 120 |  | dB | TA=25°C, f=1kHz ~ 20kHz | 3 |

## CAD (KiCad official)

- Symbol: `LM224G-S14-R`
- Footprint: `Package_SO:SOIC-14_3.9x8.7mm_P1.27mm`
- 3D model: SOIC-14 (KiCad packages3D, STEP)
- 3D model files: `lm224g-s14-r-etched.step` / `lm224g-s14-r-etched.glb` carry the MPN laser-etched on the die in a toggleable `Adom.LaserEtch` group (Fusion-ready); `lm224g-s14-r.step` / `lm224g-s14-r.glb` are the bare package body.

## Provenance

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

- **Datasheet:** [UTC(Unisonic Tech) datasheet](docs/lm224g-s14-r-datasheet.pdf) (4 pp, sha256 `7e1a358ee3470167`, retrieved 2026-10-31, tier: manufacturer)
- **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/lm224g-s14-r-datasheet.pdf)