# HGV8541MM

**HGSEMI** · Precision Op Amps · MSOP-8

HGV8541MM from HGSEMI, 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 | NC | unconnected | No connect; not internally connected. |
| 2 | -IN A | input | Inverting input of the amplifier, rail-to-rail with input range 0 V to VS. |
| 3 | +IN A | input | Non-inverting input of the amplifier, rail-to-rail with input range 0 V to VS. |
| 4 | V- | power_in | Negative supply / ground; single-supply operation from 2.7 V to 5.5 V between V+ and V-. |
| 5 | NC | unconnected | No connect; not internally connected. |
| 6 | OUT A | output | Amplifier output, rail-to-rail, with typical short-circuit current of ±60 mA at 5 V. |
| 7 | V+ | power_in | Positive supply, 2.7 V to 5.5 V single supply (absolute maximum 6 V). |
| 8 | NC | unconnected | No connect; not internally connected. |

## Key specifications

| Parameter | Value |
|---|---|
| Manufacturer | HGSEMI |
| Package | MSOP-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 |
|---|---|---|---|---|---|---|---|
| Input offset voltage | VOS |  | 1 | 6 | mV |  | 3 |
| Input offset voltage over temperature | VOS |  |  | 7 | mV | −40°C ≤ TA ≤ +125°C | 3 |
| Input bias current | IB |  | 4 | 60 | pA |  | 3 |
| Input bias current over temperature | IB |  |  | 100 | pA | −40°C ≤ TA ≤ +85°C | 3 |
| Input bias current over temperature | IB |  |  | 1000 | pA | −40°C ≤ TA ≤ +125°C | 3 |
| Input offset current | IOS |  | 0.1 | 30 | pA |  | 3 |
| Input offset current over temperature | IOS |  |  | 50 | pA | −40°C ≤ TA ≤ +85°C | 3 |
| Input offset current over temperature | IOS |  |  | 500 | pA | −40°C ≤ TA ≤ +125°C | 3 |
| Input voltage range |  | 0 |  | 2.7 | V |  | 3 |
| Common-mode rejection ratio | CMRR | 40 | 45 |  | dB | VCM = 0 V to 2.7 V | 3 |
| Common-mode rejection ratio over temperature | CMRR | 38 |  |  | dB | −40°C ≤ TA ≤ +125°C | 3 |
| Large-signal voltage gain | AVO | 100 | 500 |  | V/mV | RL = 100 kΩ, VO = 0.5 V to 2.2 V | 3 |
| Large-signal voltage gain over temperature | AVO | 50 |  |  | V/mV | −40°C ≤ TA ≤ +85°C | 3 |
| Large-signal voltage gain over temperature | AVO | 2 |  |  | V/mV | −40°C ≤ TA ≤ +125°C | 3 |
| High-level output voltage | VOH | 2.575 | 2.65 |  | V | IL = 1 mA | 3 |
| High-level output voltage over temperature | VOH | 2.55 |  |  | V | −40°C ≤ TA ≤ +125°C | 3 |
| Low-level output voltage | VOL |  | 35 | 100 | mV | IL = 1 mA | 3 |
| Low-level output voltage over temperature | VOL |  |  | 125 | mV | −40°C ≤ TA ≤ +125°C | 3 |
| Output current | IOUT | 15 |  |  | mA | VOUT = VS − 1 V | 3 |
| Short-circuit output current | ISC | -20 |  | 20 | mA |  | 3 |
| Power supply rejection ratio | PSRR | 65 | 76 |  | dB | VS = 2.5 V to 6 V | 3 |
| Power supply rejection ratio over temperature | PSRR | 60 |  |  | dB | −40°C ≤ TA ≤ +125°C | 3 |
| Supply current per amplifier | ISY |  | 38 | 55 | μA | VO = 0 V | 3 |
| Supply current per amplifier over temperature | ISY |  |  | 75 | μA | −40°C ≤ TA ≤ +125°C | 3 |
| Slew rate | SR | 0.4 | 0.75 |  | V/μs | RL = 100 kΩ | 3 |
| Input voltage noise density | in |  |  | 0.1 | pA/√Hz |  | 3 |
| Power supply voltage | VS |  |  | 6 | V |  | 6 |
| Differential input voltage |  | -6 |  | 6 | V |  | 6 |
| Storage temperature range |  | -65 |  | 150 | °C |  | 6 |
| Operating temperature range |  | -40 |  | 125 | °C |  | 6 |
| Junction temperature range |  | -65 |  | 150 | °C |  | 6 |
| Lead temperature (soldering) |  |  |  | 300 | °C | 60 s soldering | 6 |
| Input offset voltage drift | ΔVOS/ΔT |  | 4 |  | μV/°C | −40°C ≤ TA ≤ +125°C | 3 |
| Input bias current drift | ΔIB/ΔT |  | 100 |  | fA/°C | −40°C ≤ TA ≤ +85°C | 3 |
| Input bias current drift | ΔIB/ΔT |  | 2000 |  | fA/°C | −40°C ≤ TA ≤ +125°C | 3 |
| Input offset current drift | ΔIOS/ΔT |  | 25 |  | fA/°C | −40°C ≤ TA ≤ +125°C | 3 |
| Closed-loop output impedance | ZOUT |  | 50 |  | Ω | f = 200 kHz, AV = 1 | 3 |
| Settling time | tS |  | 5 |  | μs | to 0.1% (1 V step) | 3 |
| Gain-bandwidth product | GBP |  | 980 |  | kHz |  | 3 |
| Phase margin | ΦM |  | 63 |  | 度 |  | 3 |
| Voltage noise density | en |  | 40 |  | nV/√Hz | f = 1 kHz | 3 |
| Voltage noise density | en |  | 38 |  | nV/√Hz | f = 10 kHz | 3 |
| Thermal resistance, junction to ambient (MSOP-8) | θJA |  | 210 |  | °C/W | Worst case, device soldered to circuit board (surface mount) | 6 |
| Thermal resistance, junction to case (MSOP-8) | θJC |  | 45 |  | °C/W |  | 6 |

## CAD (KiCad official)

- Symbol: `HGV8541MM`
- Footprint: `Package_SO:MSOP-8_3x3mm_P0.65mm`
- 3D model: MSOP-8 (KiCad packages3D, STEP)
- 3D model files: `hgv8541mm-etched.step` / `hgv8541mm-etched.glb` carry the MPN laser-etched on the die in a toggleable `Adom.LaserEtch` group (Fusion-ready); `hgv8541mm.step` / `hgv8541mm.glb` are the bare package body.

## Provenance

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

- **Datasheet:** [HGSEMI datasheet](https://jlcpcb.com/api/file/downloadByFileSystemAccessId/8590456873053810688) (21 pp, sha256 `f6d33d03960c465f`, retrieved 2026-10-17, 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/hgv8541mm-datasheet.pdf)