# RS324XQ

**Jiangsu RUNIC Tech** · Operational Amplifier · TSSOP-14

RS324XQ from Jiangsu RUNIC Tech, in a TSSOP-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 | OUTA | output | Output of channel A. |
| 2 | -INA | input | Inverting input of channel A. |
| 3 | +INA | input | Noninverting input of channel A. |
| 4 | V+ | power_in | Positive (highest) power supply; single-supply operation is specified from 2.2V to 5.5V (dual-supply ±1.1V to ±2.75V), and absolute maximum supply voltage is 7V. |
| 5 | +INB | input | Noninverting input of channel B. |
| 6 | -INB | input | Inverting input of channel B. |
| 7 | OUTB | output | Output of channel B. |
| 8 | OUTC | output | Output of channel C. |
| 9 | -INC | input | Inverting input of channel C. |
| 10 | +INC | input | Noninverting input of channel C. |
| 11 | V- | power_in | Negative (lowest) power supply; for single-supply use this is the ground reference pin of the 2.2V to 5.5V supply. |
| 12 | +IND | input | Noninverting input of channel D. |
| 13 | -IND | input | Inverting input of channel D. |
| 14 | OUTD | output | Output of channel D. |

## Key specifications

| Parameter | Value |
|---|---|
| Manufacturer | Jiangsu RUNIC Tech |
| Package | TSSOP-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 |
|---|---|---|---|---|---|---|---|
| Single-supply voltage | VS | 2.2 |  | 5.5 | V | Single-supply, VS=(V+)-(V-) | 9 |
| Dual-supply voltage | VS | 1.1 |  | 2.75 | V | Dual-supply, ±VS | 9 |
| Supply voltage | VS |  |  | 7 | V | VS=(V+)-(V-) | 8 |
| Signal input pin current |  | -10 |  | 10 | mA | Signal input pin; input terminals diode-clamped to supply rails | 8 |
| Signal output pin current |  | -100 |  | 100 | mA | Signal output pin; output terminals diode-clamped to supply rails | 8 |
| Operating free-air temperature range | TA | -40 |  | 125 | °C |  | 8 |
| Junction temperature | TJ | -40 |  | 150 | °C |  | 8 |
| Storage temperature | Tstg | -65 |  | 150 | °C |  | 8 |
| Electrostatic discharge, human-body model | V(ESD) | -5000 |  | 5000 | V | Human-body model (HBM) | 8 |
| Electrostatic discharge, machine model | V(ESD) | -400 |  | 400 | V | Machine Model (MM) | 8 |
| Package thermal impedance, TSSOP-14 | θJA |  |  | 90 | °C/W | TSSOP-14 package, JESD-51 | 8 |
| Operating voltage range | VS | 2.2 |  | 5.5 | V | 25°C | 10 |
| Quiescent current per amplifier | IQ |  | 60 | 80 | uA | 25°C | 10 |
| Power-supply rejection ratio | PSRR | 62 | 85 |  | dB | VS=2.2V to 5.5V, VCM=(V-)+0.5V, 25°C | 10 |
| Power-supply rejection ratio (full temperature range) | PSRR | 58 |  |  | dB | VS=2.2V to 5.5V, VCM=(V-)+0.5V, Full (-40°C to +125°C) | 10 |
| Input offset voltage | VOS | -4.5 | 0.8 | 4.5 | mV | VCM=VS/2, 25°C | 10 |
| Input offset voltage average drift | VOS TC | -2.9 |  | 2.9 | uV/C | VCM=VS/2, Full (-40°C to +125°C) | 10 |
| Input bias current | IB | -10 | 1 | 10 | pA | 25°C | 10 |
| Input offset current | IOS | -10 | 1 | 10 | pA | 25°C | 10 |
| Common-mode voltage range | VCM | -0.1 |  | 5.6 | V | VS=5.5V, 25°C | 10 |
| Common-mode rejection ratio | CMRR | 65 | 80 |  | dB | VS=5.5V, VCM=-0.1V to 4V, 25°C | 10 |
| Common-mode rejection ratio (full temperature range) | CMRR | 62 |  |  | dB | VS=5.5V, VCM=-0.1V to 4V, Full (-40°C to +125°C) | 10 |
| Common-mode rejection ratio | CMRR | 57 | 75 |  | dB | VS=5.5V, VCM=-0.1V to 5.6V, 25°C | 10 |
| Common-mode rejection ratio (full temperature range) | CMRR | 55 |  |  | dB | VS=5.5V, VCM=-0.1V to 5.6V, Full (-40°C to +125°C) | 10 |
| Open-loop voltage gain | AOL | 75 | 95 |  | dB | RL=2KΩ, Vo=0.15V to 4.85V, 25°C | 10 |
| Open-loop voltage gain (full temperature range) | AOL | 72 |  |  | dB | RL=2KΩ, Vo=0.15V to 4.85V, Full (-40°C to +125°C) | 10 |
| Open-loop voltage gain | AOL | 85 | 100 |  | dB | RL=10KΩ, Vo=0.05V to 4.95V, 25°C | 10 |
| Open-loop voltage gain (full temperature range) | AOL | 82 |  |  | dB | RL=10KΩ, Vo=0.05V to 4.95V, Full (-40°C to +125°C) | 10 |
| Output swing from rail |  |  |  | 26 | mV | RL=2KΩ, 25°C | 10 |
| Output swing from rail |  |  |  | 8 | mV | RL=10KΩ, 25°C | 10 |
| Output short-circuit current | IOUT | -54 |  | 54 | mA | 25°C | 10 |
| Slew rate | SR |  | 0.5 |  | V/us | 25°C; slower of positive and negative slew rates | 10 |
| Gain-bandwidth product | GBP |  | 1.1 |  | MHz | 25°C | 10 |
| Phase margin | PM |  | 64 |  | ° | 25°C | 10 |
| Settling time, 0.1% | tS |  | 1.3 |  | us | 0.1%, 25°C | 10 |
| Overload recovery time |  |  | 2.3 |  | us | VIN·Gain≥VS | 10 |
| Input voltage noise density | en |  | 23 |  | nV/√Hz | f = 1KHz, 25°C | 10 |
| Input voltage noise density | en |  | 20 |  | nV/√Hz | f = 10KHz, 25°C | 10 |

## CAD (KiCad official)

- Symbol: `RS324XQ`
- Footprint: `Package_SO:TSSOP-14_4.4x5mm_P0.65mm`
- 3D model: TSSOP-14 (KiCad packages3D, STEP)
- 3D model files: `rs324xq-etched.step` / `rs324xq-etched.glb` carry the MPN laser-etched on the die in a toggleable `Adom.LaserEtch` group (Fusion-ready); `rs324xq.step` / `rs324xq.glb` are the bare package body.

## Provenance

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

- **Datasheet:** [Jiangsu RUNIC Tech datasheet](https://jlcpcb.com/api/file/downloadByFileSystemAccessId/8588883666059190272) (25 pp, sha256 `142a2f6526d0f1f6`, retrieved 2026-10-19, tier: lcsc)
- **Extractor:** parts-factory `2.0.0` / `extract_pins 0.3`, primary `claude-haiku-5-5` (text), consensus `claude-sonnet-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/rs324xq-datasheet.pdf)