# RS622XQ

**Jiangsu RUNIC Tech** · Operational Amplifier · TSSOP-8

RS622XQ from Jiangsu RUNIC Tech, in a TSSOP-8. 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 | Negative (lowest) power supply; the supply Vs = (V+) - (V-) is 2.5 V to 5.5 V recommended, with 7 V absolute maximum. |
| 5 | +INB | input | Noninverting input of channel B. |
| 6 | -INB | input | Inverting input of channel B. |
| 7 | OUTB | output | Output of channel B. |
| 8 | V+ | power_in | Positive (highest) power supply; the supply Vs = (V+) - (V-) is 2.5 V to 5.5 V recommended, with 7 V absolute maximum. |

## Key specifications

| Parameter | Value |
|---|---|
| Manufacturer | Jiangsu RUNIC Tech |
| Package | TSSOP-8 |
| Category | Amplifiers/Comparators |
| Pins | 8 |

## Electrical characteristics

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

| Parameter | Symbol | Min | Typ | Max | Unit | Conditions | Page |
|---|---|---|---|---|---|---|---|
| Operating Voltage Range | Vs | 2.5 |  | 5.5 | V | TJ=25C | 9 |
| Quiescent Current/Amplifier | IQ |  | 600 | 800 | uA | TJ=25C | 9 |
| Power-Supply Rejection Ratio | PSRR | 78 | 93 |  | dB | Vs=2.5V to 5.5V, Vcm=(V-)+0.5V, TJ=25C | 9 |
| Power-Supply Rejection Ratio | PSRR | 72 |  |  | dB | Vs=2.5V to 5.5V, Vcm=(V-)+0.5V, TJ=-40C to 125C | 9 |
| Input Offset Voltage | Vos | -3 | 0.7 | 3 | mV | TJ=25C | 9 |
| Input Offset Voltage Average Drift | Vos TC |  |  | 2 | uV/C | TJ=-40C to 125C | 9 |
| Input Bias Current | IB |  | 1 | 10 | pA | TJ=25C | 9 |
| Input Offset Current | Ios |  | 1 | 10 | pA | TJ=25C | 9 |
| Common-Mode Voltage Range | Vcm | -0.1 |  | 5.6 | V | Vs=5.5V, TJ=25C | 9 |
| Common-Mode Rejection Ratio | CMRR | 74 | 92 |  | dB | Vs=5.5V, Vcm=-0.1V to 4V, TJ=25C | 9 |
| Common-Mode Rejection Ratio | CMRR | 68 |  |  | dB | Vs=5.5V, Vcm=-0.1V to 4V, TJ=-40C to 125C | 9 |
| Common-Mode Rejection Ratio | CMRR | 62 | 83 |  | dB | Vs=5.5V, Vcm=-0.1V to 5.6V, TJ=25C | 9 |
| Common-Mode Rejection Ratio | CMRR | 60 |  |  | dB | Vs=5.5V, Vcm=-0.1V to 5.6V, TJ=-40C to 125C | 9 |
| Open-Loop Voltage Gain | AOL | 96 | 102 |  | dB | RL=2KΩ, Vo=0.15V to 4.85V, TJ=25C | 9 |
| Open-Loop Voltage Gain | AOL | 83 |  |  | dB | RL=2KΩ, Vo=0.15V to 4.85V, TJ=-40C to 125C | 9 |
| Open-Loop Voltage Gain | AOL | 98 | 106 |  | dB | RL=10KΩ, Vo=0.05V to 4.95V, TJ=25C | 9 |
| Open-Loop Voltage Gain | AOL | 85 |  |  | dB | RL=10KΩ, Vo=0.05V to 4.95V, TJ=-40C to 125C | 9 |
| Output Swing From Rail |  |  |  | 40 | mV | RL=2KΩ, TJ=25C | 9 |
| Output Swing From Rail |  |  |  | 7 | mV | RL=10KΩ, TJ=25C | 9 |
| Output Short-Circuit Current | Iout |  | 50 |  | mA | TJ=25C | 9 |
| Slew Rate | SR |  | 3.7 |  | V/us | TJ=25C | 9 |
| Gain-Bandwidth Product | GBP |  | 7 |  | MHz | TJ=25C | 9 |
| Phase Margin | PM |  | 64 |  | ° | TJ=25C | 9 |
| Setting Time | ts |  | 0.5 |  | us | 0.1%, TJ=25C | 9 |
| Overload Recovery Time |  |  | 0.5 |  | us | VIN·Gain≥VS | 9 |
| Input Voltage Noise Density | en |  | 11 |  | nV/√Hz | f=1KHz, TJ=25C | 9 |
| Input Voltage Noise Density | en |  | 7.5 |  | nV/√Hz | f=10KHz, TJ=25C | 9 |
| Supply voltage, single-supply | Vs | 2.5 |  | 5.5 | V | Single-supply | 6 |
| Supply voltage, dual-supply | Vs | 1.25 |  | 2.75 | V | Dual-supply, printed as ±1.25 to ±2.75 | 6 |
| Supply voltage Vs=(V+)-(V-) | Vs |  |  | 7 | V |  | 6 |
| Signal input pin current |  | -10 |  | 10 | mA | Signal input pin | 6 |
| Signal output pin current |  | -70 |  | 70 | mA | Signal output pin | 6 |
| Operating range, free-air temperature | TA | -40 |  | 125 | °C |  | 6 |
| Junction temperature | TJ |  |  | 150 | °C |  | 6 |
| Storage temperature | Tstg | -65 |  | 150 | °C |  | 6 |
| Junction-to-ambient thermal resistance (TSSOP8) | RϴJA |  | 200.7 |  | °C/W | TSSOP8 | 7 |
| Junction-to-case(top) thermal resistance (TSSOP8) | RϴJC(top) |  | 95.4 |  | °C/W | TSSOP8 | 7 |
| Junction-to-board thermal resistance (TSSOP8) | RϴJB |  | 128.6 |  | °C/W | TSSOP8 | 7 |
| Junction-to-top characterization parameter (TSSOP8) | ΨJT |  | 27.2 |  | °C/W | TSSOP8 | 7 |
| Junction-to-board characterization parameter (TSSOP8) | ΨJB |  | 127.2 |  | °C/W | TSSOP8 | 7 |

## CAD (KiCad official)

- Symbol: `RS622XQ`
- Footprint: `Package_SO:TSSOP-8_3x3mm_P0.65mm`
- 3D model: TSSOP-8 (KiCad packages3D, STEP)
- 3D model files: `rs622xq-etched.step` / `rs622xq-etched.glb` carry the MPN laser-etched on the die in a toggleable `Adom.LaserEtch` group (Fusion-ready); `rs622xq.step` / `rs622xq.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/8602895884665298944) (27 pp, sha256 `f773ebaec109e470`, retrieved 2026-10-20, 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/rs622xq-datasheet.pdf)