# MS8602

**Hangzhou Ruimeng Tech** · Precision OpAmps · MSOP-8

MS8602 from Hangzhou Ruimeng Tech, in a MSOP-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 | Channel A amplifier output with rail-to-rail swing (VOH 4.995V typ with RL=10kΩ at 5V supply). |
| 2 | -INA | input | Channel A inverting input with rail-to-rail input range (0 to Vs) and 11pA typical input bias current. |
| 3 | +INA | input | Channel A non-inverting input with rail-to-rail input range (0 to Vs) and 11pA typical input bias current. |
| 4 | -VS | power_in | Negative supply, or ground in single-supply operation; absolute maximum total supply voltage is 6V. |
| 5 | +INB | input | Channel B non-inverting input with rail-to-rail input range (0 to Vs) and 11pA typical input bias current. |
| 6 | -INB | input | Channel B inverting input with rail-to-rail input range (0 to Vs) and 11pA typical input bias current. |
| 7 | OUTB | output | Channel B amplifier output with rail-to-rail swing (VOH 4.995V typ with RL=10kΩ at 5V supply). |
| 8 | +VS | power_in | Positive supply, 1.8V to 5.5V single supply operation (absolute maximum 6V). |

## Key specifications

| Parameter | Value |
|---|---|
| Manufacturer | Hangzhou Ruimeng Tech |
| Package | MSOP-8 |
| Category | Amplifiers |
| 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 |
|---|---|---|---|---|---|---|---|
| Supply voltage | VS |  |  | 6 | V |  | 2 |
| Operating temperature | TA | -40 |  | 125 | C |  | 2 |
| Storage temperature | Tstg | -65 |  | 150 | C |  | 2 |
| Junction temperature range |  | -65 |  | 150 | C |  | 2 |
| Lead temperature |  |  |  | 300 | C | soldering, 60 s | 2 |
| ESD HBM | HBM |  |  | 4000 | V |  | 2 |
| ESD MM | MM |  |  | 200 | V |  | 2 |
| Input offset voltage | VOS |  | 4 | 8 | µV | VS=5V, TA=25C | 3 |
| Input offset voltage | VOS |  |  | 10 | µV | VS=5V, -40C≤TA≤125C | 3 |
| Common-mode rejection ratio | CMRR | 120 | 140 |  | dB | VS=5V, VCM=0V to 5V | 3 |
| Common-mode rejection ratio | CMRR | 115 | 130 |  | dB | VS=5V, VCM=0V to 5V, -40C≤TA≤125C | 3 |
| Large signal gain | AVO | 127 | 145 |  | dB | VS=5V, RL=10kΩ, Vo=0.3V to 4.7V | 3 |
| Large signal gain | AVO | 120 | 135 |  | dB | VS=5V, RL=10kΩ, Vo=0.3V to 4.7V, -40C≤TA≤125C | 3 |
| Output high voltage | VOH | 4.99 | 4.996 |  | V | VS=5V, RL=100kΩ to -Vs | 3 |
| Output high voltage | VOH | 4.99 | 4.995 |  | V | VS=5V, RL=10kΩ to -Vs | 3 |
| Power supply rejection ratio | PSRR | 115 | 130 |  | dB | Vs=1.8V to 5.5V, -40C≤TA≤125C | 3 |
| Quiescent current per amplifier | IQ |  | 0.85 | 1.1 | mA | VS=5V, Vo=Vs/2 | 3 |
| Quiescent current per amplifier | IQ |  | 1 | 1.2 | mA | VS=5V, Vo=Vs/2, -40C≤TA≤125C | 3 |
| Input offset voltage | VOS |  | 0.5 | 5 | µV | VS=2.7V, TA=25C | 4 |
| Input offset voltage | VOS |  |  | 10 | µV | VS=2.7V, -40C≤TA≤125C | 4 |
| Common-mode rejection ratio | CMRR | 115 | 130 |  | dB | VS=2.7V, VCM=0V to 2.7V | 4 |
| Common-mode rejection ratio | CMRR | 110 | 120 |  | dB | VS=2.7V, VCM=0V to 2.7V, -40C≤TA≤125C | 4 |
| Large signal gain | AVO | 110 | 140 |  | dB | VS=2.7V, RL=10kΩ, Vo=0.3V to 2.4V | 4 |
| Large signal gain | AVO | 105 | 130 |  | dB | VS=2.7V, RL=10kΩ, Vo=0.3V to 2.4V, -40C≤TA≤125C | 4 |
| Output high voltage | VOH | 2.68 | 2.695 |  | V | VS=2.7V, RL=100kΩ to -Vs | 4 |
| Output high voltage | VOH | 2.67 | 2.68 |  | V | VS=2.7V, RL=10kΩ to -Vs | 4 |
| Quiescent current | IQ |  | 0.75 | 1 | mA | VS=2.7V, Vo=Vs/2 | 4 |
| Quiescent current | IQ |  | 0.9 | 1.2 | mA | VS=2.7V, Vo=Vs/2, -40C≤TA≤125C | 4 |
| Power supply rejection ratio | PSRR | 115 | 130 |  | dB | Vs=1.8V to 5.5V, -40C≤TA≤125C | 4 |
| Input offset voltage drift | ΔVOS/ΔT |  | 0.03 | 0.05 | µV/℃ | VS=5V, -40C≤TA≤125C | 3 |
| Gain bandwidth product | GBP |  | 3.8 |  | MHz | VS=5V, Av=+100 | 3 |
| Slew rate | SR |  | 2.1 |  | V/µs | VS=5V, Av=+1, RL=10kΩ | 3 |

## CAD (KiCad official)

- Symbol: `MS8602`
- Footprint: `Package_SO:MSOP-8_3x3mm_P0.65mm`
- 3D model: MSOP-8 (KiCad packages3D, STEP)
- 3D model files: `ms8602-etched.step` / `ms8602-etched.glb` carry the MPN laser-etched on the die in a toggleable `Adom.LaserEtch` group (Fusion-ready); `ms8602.step` / `ms8602.glb` are the bare package body.

## Provenance

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

- **Datasheet:** [Hangzhou Ruimeng Tech datasheet](docs/ms8602-datasheet.pdf) (16 pp, sha256 `ff696b0c6735790c`, retrieved 2026-10-24, 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/ms8602-datasheet.pdf)