# HAD8629ARZ-REEL7

**HXY MOSFET** · Operational Amplifier · SOP-8

HAD8629ARZ-REEL7 from HXY MOSFET, in a SOP-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 | OUT A | output | Amplifier A output, rail-to-rail, safe for capacitive loads up to 500 pF and short-circuit protected continuously. |
| 2 | -IN A | input | Inverting input of amplifier A, with internal ESD diodes to each supply rail and a limit of VS- - 0.5 V to VS+ + 0.5 V, ±20 mA. |
| 3 | +IN A | input | Non-inverting input of amplifier A, with rail-to-rail common-mode range from VS- - 0.1 V to VS+ + 0.1 V. |
| 4 | -VS | power_in | Negative (lowest) power supply, tied to ground in single-supply use. |
| 5 | +IN B | input | Non-inverting input of amplifier B, with rail-to-rail common-mode range from VS- - 0.1 V to VS+ + 0.1 V. |
| 6 | -IN B | input | Inverting input of amplifier B, with internal ESD diodes to each supply rail and a limit of VS- - 0.5 V to VS+ + 0.5 V, ±20 mA. |
| 7 | OUT B | output | Amplifier B output, rail-to-rail, safe for capacitive loads up to 500 pF and short-circuit protected continuously. |
| 8 | +VS | power_in | Positive (highest) power supply, specified for 2.0 V to 5.5 V operation with an absolute maximum of 10 V between VS+ and VS-. |

## Key specifications

| Parameter | Value |
|---|---|
| Manufacturer | HXY MOSFET |
| Package | SOP-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 | -8 | 0.5 | 8 | µV | VS = 5.0V, TA = +25℃, VCM = VS/2 | 3 |
| Offset voltage drift | VOS TC | -40 | 5 | 40 | nV/℃ | TA = −40 to +125 ℃ | 3 |
| Power supply rejection ratio | PSRR | 112 | 126 |  | dB | VS = 2.0 to 5.5 V, VCM < VS+ − 2V | 3 |
| Power supply rejection ratio (full temperature) | PSRR | 106 |  |  | dB | TA = −40 to +125 ℃ | 3 |
| Input bias current | IB |  | 70 | 370 | pA | TA = 0 to +85 ℃ | 3 |
| Input bias current (full temperature) | IB |  |  | 800 | pA | TA = −40 to +125 ℃ | 3 |
| Input offset current | IOS |  | 100 | 800 | pA | TA = 0 to +85 ℃ | 3 |
| Input offset current (full temperature) | IOS |  |  | 1000 | pA | TA = −40 to +125 ℃ | 3 |
| Common-mode rejection ratio | CMRR | 112 | 130 |  | dB | VS = 5.5 V, VCM = −0.1 to 5.5 V | 3 |
| Common-mode rejection ratio (full temperature) | CMRR | 106 |  |  | dB | VCM = 0 to 5.3 V, TA = −40 to +125 ℃ | 3 |
| Common-mode rejection ratio | CMRR | 102 | 122 |  | dB | VS = 2.0 V, VCM = −0.1 to 2.0 V | 3 |
| Common-mode rejection ratio (full temperature) | CMRR | 96 |  |  | dB | VCM = 0 to 1.8 V, TA = −40 to +125 ℃ | 3 |
| Open-loop voltage gain | AVOL | 108 | 128 |  | dB | RL = 10 kΩ, VO = 0.05 to 3.5 V | 3 |
| Open-loop voltage gain (full temperature) | AVOL | 102 |  |  | dB | TA = −40 to +125 ℃ | 3 |
| Open-loop voltage gain | AVOL | 96 | 116 |  | dB | RL = 600 Ω, VO = 0.15 to 3.5 V | 3 |
| Open-loop voltage gain (full temperature) | AVOL | 90 |  |  | dB | TA = −40 to +125 ℃ | 3 |
| Operating supply voltage | VS | 1.8 |  | 6 | V | TA = 0 to +70 ℃ | 4 |
| Operating supply voltage | VS | 2 |  | 6 | V | TA = −40 to +125 ℃ | 4 |
| Quiescent current (per amplifier) | IQ | 80 | 110 | 140 | µA |  | 4 |
| Operating temperature range | TA | -40 |  | 125 | ℃ |  | 4 |
| Package thermal resistance SOP-8 |  |  | 125 |  | ℃/W | SOP-8 | 4 |
| Supply voltage VS+ to VS- | VS |  |  | 10 | V |  | 2 |
| Signal input terminal current |  | -20 |  | 20 | mA | Signal input terminals | 2 |
| Storage temperature range | Tstg | -65 |  | 150 | ℃ |  | 2 |
| Junction temperature | TJ |  |  | 150 | ℃ |  | 2 |
| Lead temperature |  |  |  | 260 | ℃ | Soldering 10 sec | 2 |
| Input voltage noise | Vn |  | 0.45 |  | µVP-P | f = 0.1 to 10 Hz | 3 |
| Input voltage noise density | en |  | 27 |  | nV/√Hz | f = 10 kHz | 3 |
| Input current noise density | In |  | 10 |  | fA/√Hz | f = 1 kHz | 3 |
| Gain bandwidth product | GBW |  | 2.5 |  | MHz | f = 1 kHz | 3 |
| Slew rate | SR |  | 1.2 |  | V/µs | G = +1, CL = 100 pF, VO = 1.5 to 3.5 V | 3 |
| Settling time | tS |  | 1.2 |  | µs | To 0.1%, G = +1, 1V step | 4 |
| Overload recovery time | tOR |  | 35 |  | µs | To 0.1%, VIN * Gain > VS | 4 |
| Input resistance | RIN |  | 100 |  | GΩ |  | 3 |
| ESD HBM |  | -5000 |  | 5000 | V | Human body model, per MIL-STD-883J / Method 3015.9 | 2 |

## CAD (KiCad official)

- Symbol: `HAD8629ARZ-REEL7`
- Footprint: `Package_SO:SOIC-8_3.9x4.9mm_P1.27mm`
- 3D model: SOP-8 (KiCad packages3D, STEP)
- 3D model files: `had8629arz-reel7-etched.step` / `had8629arz-reel7-etched.glb` carry the MPN laser-etched on the die in a toggleable `Adom.LaserEtch` group (Fusion-ready); `had8629arz-reel7.step` / `had8629arz-reel7.glb` are the bare package body.

## Provenance

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

- **Datasheet:** [HXY MOSFET datasheet](docs/had8629arz-reel7-datasheet.pdf) (17 pp, sha256 `d973533d5dd24eed`, retrieved 2026-10-26, tier: lcsc)
- **Extractor:** parts-factory `2.0.0` / `extract_pins 0.3`, primary `claude-sonnet-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/had8629arz-reel7-datasheet.pdf)