# RS8454PXQ

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

RS8454PXQ 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, which swings rail-to-rail per the datasheet features. |
| 2 | -INA | input | Inverting input of channel A, with common-mode voltage range from (V-) to (V+)-2V. |
| 3 | +INA | input | Noninverting input of channel A, with common-mode voltage range from (V-) to (V+)-2V. |
| 4 | V+ | power_in | Positive (highest) power supply; the device operates from 5V to 36V single supply or ±2.5V to ±18V dual supply. |
| 5 | +INB | input | Noninverting input of channel B, with common-mode voltage range from (V-) to (V+)-2V. |
| 6 | -INB | input | Inverting input of channel B, with common-mode voltage range from (V-) to (V+)-2V. |
| 7 | OUTB | output | Output of channel B, which swings rail-to-rail per the datasheet features. |
| 8 | OUTC | output | Output of channel C, which swings rail-to-rail per the datasheet features. |
| 9 | -INC | input | Inverting input of channel C, with common-mode voltage range from (V-) to (V+)-2V. |
| 10 | +INC | input | Noninverting input of channel C, with common-mode voltage range from (V-) to (V+)-2V. |
| 11 | V- | power_in | Negative (lowest) power supply or ground for single supply operation. |
| 12 | +IND | input | Noninverting input of channel D, with common-mode voltage range from (V-) to (V+)-2V. |
| 13 | -IND | input | Inverting input of channel D, with common-mode voltage range from (V-) to (V+)-2V. |
| 14 | OUTD | output | Output of channel D, which swings rail-to-rail per the datasheet features. |

## 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 |
|---|---|---|---|---|---|---|---|
| Supply voltage VS=(V+)-(V-), absolute maximum | VS | -0.7 |  | 36 | V |  | 8 |
| Signal input pin current |  | -10 |  | 10 | mA |  | 8 |
| Signal output pin current |  | -100 |  | 100 | mA |  | 8 |
| Operating free-air temperature range TA | TA | -40 |  | 125 | °C |  | 8 |
| Junction temperature TJ | TJ | -40 |  | 150 | °C |  | 8 |
| Storage temperature Tstg | Tstg | -55 |  | 150 | °C |  | 8 |
| Package thermal impedance TSSOP14 | θJA |  |  | 90 | °C/W | TSSOP14; JESD-51 | 8 |
| Supply voltage, single-supply | VS | 5 |  | 36 | V | Single-supply | 8 |
| Supply voltage, dual-supply | VS | 2.5 |  | 18 | V | Dual-supply, printed as ±2.5 to ±18 | 8 |
| Operating voltage range | VS | 5 |  | 36 | V | 25C | 9 |
| Quiescent current per amplifier | IQ |  | 3 | 4.75 | mA | VS=±2.5V, Io=0mA, 25C | 9 |
| Quiescent current per amplifier | IQ |  | 3.8 | 5.75 | mA | VS=±18V, Io=0mA, 25C | 9 |
| Power-supply rejection ratio | PSRR | 93 | 110 |  | dB | VS=5V to 36V, 25C | 9 |
| Input offset voltage | Vos | -1.5 | 0.5 | 1.5 | mV | VCM= VS/2, 25C | 9 |
| Input offset voltage | Vos | -1 |  | 1 | mV | VCM= VS/2, Full | 9 |
| Input bias current | IB |  | 10 | 60 | pA | VCM=0V, 25C | 9 |
| Input bias current | IB |  |  | 600 | pA | VCM=0V, Full | 9 |
| Input offset current | IOS |  | 10 | 60 | pA | VCM=0V, 25C | 9 |
| Input offset current | IOS |  |  | 600 | pA | VCM=0V, Full | 9 |
| Common-mode rejection ratio | CMRR | 70 | 110 |  | dB | VS=±2.5V, VCM=(V-) to (V+)-2V, 25C | 9 |
| Common-mode rejection ratio | CMRR | 70 |  |  | dB | VS=±18V, VCM=(V-) to (V+)-2V, 25C | 9 |
| Open-loop voltage gain | AOL | 84 | 100 |  | dB | RL=10KΩ, Vo=(V-)+0.6V to (V+)-0.6V, 25C | 9 |
| Open-loop voltage gain | AOL | 70 |  |  | dB | RL=10KΩ, Vo=(V-)+0.6V to (V+)-0.6V, Full | 9 |
| Output swing high | VOH | 17.85 |  |  | V | VS=±18V, RL=10KΩ, 25C | 9 |
| Output swing low | VOL |  |  | -17.85 | V | VS=±18V, RL=10KΩ, 25C | 9 |
| Short-circuit current | ISC | -100 | 55 | 100 | mA | 25C, momentary test | 9 |
| Capacitive load drive | CLOAD |  | 70 |  | pF | 25C | 9 |
| Slew rate | SR |  | 5 |  | V/μs | G=+1, CL=70pF, 25C | 9 |
| Gain-bandwidth product | GBW |  | 8 |  | MHz | 25C | 9 |
| Setting time, 0.01% | ts |  | 1 |  | μs | VS=±2.5V, G=+1, CL=70pF, Step=2V, 25C | 9 |
| Overload recovery time | tOR |  | 1 |  | μs | VIN·Gain≥VS, G=11, 25C | 9 |
| Turn-on time | tON |  | 10 |  | μs | 25C | 9 |
| Input voltage noise | En |  | 7 |  | μVpp | f = 0.1Hz to 10Hz, VS=±2.5V, 25C | 9 |
| Input voltage noise density | en |  | 35 |  | nV/√Hz | f = 1KHz, 25C | 9 |

## CAD (KiCad official)

- Symbol: `RS8454PXQ`
- Footprint: `Package_SO:TSSOP-14_4.4x5mm_P0.65mm`
- 3D model: TSSOP-14 (KiCad packages3D, STEP)
- 3D model files: `rs8454pxq-etched.step` / `rs8454pxq-etched.glb` carry the MPN laser-etched on the die in a toggleable `Adom.LaserEtch` group (Fusion-ready); `rs8454pxq.step` / `rs8454pxq.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/8602912374358241280) (19 pp, sha256 `a8e72682fde9896c`, 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/rs8454pxq-datasheet.pdf)