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GM7400ARZ-2.5-R7
Public Made by Adomby adom
GONGMOSEMI Voltage Reference, SO-8. Pinout cross-checked by two models against the datasheet, KiCad symbol/footprint/3D.
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GM7400ARZ-2.5-R7
GONGMOSEMI · Voltage Reference · SO-8
GM7400ARZ-2.5-R7 from GONGMOSEMI, in a SO-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 internal connection; leave floating in the application. |
| 2 | VIN | power_in | Power supply input; the features list gives a 3.5 V to 40 V supply range and the absolute maximum input voltage is 45 V. |
| 3 | TEMP | output | Temperature monitoring pin that outputs an unbuffered PTAT voltage of 657 mV typical with a temperature sensitivity of 2.2 mV/°C per the electrical characteristics table. |
| 4 | GND | power_in | Ground reference for the device. |
| 5 | TRIM | passive | Output voltage trim pin that adjusts VOUT by ±3% to ±6% with a 10 kΩ potentiometer, per the electrical characteristics table. |
| 6 | VOUT | power_out | Reference voltage output, rated for ±10 mA output current with a 30 mA short-circuit current limit. |
| 7 | NC | unconnected | No internal connection; leave floating in the application. |
| 8 | NC | unconnected | No internal connection; leave floating in the application. |
Key specifications
| Parameter | Value |
|---|---|
| Manufacturer | GONGMOSEMI |
| Package | SO-8 |
| Category | Power Management (PMIC) |
| 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 |
|---|---|---|---|---|---|---|---|
| Output voltage accuracy (Grade A) | VO | -0.04 | 0.04 | % | Grade A | 5 | |
| Temperature coefficient (Grade A, 8-pin SOIC) | TCVO | 1.5 | 3 | ppm/°C | 8-pin SOIC, −40°C < TA < +125°C, 0°C < TA < +70°C | 5 | |
| Minimum input-output voltage differential (VOUT = 2.5V) | VDO | 1 | V | VOUT = 2.5V | 5 | ||
| Line regulation | ΔVO/ΔVIN | 15 | 25 | ppm/V | VIN = 4.0 V to 50 V, −40°C < TA < +125°C | 5 | |
| Load regulation | ΔVO/ΔILOAD | 15 | 45 | ppm/mA | ILOAD = 0 mA to 10 mA, −40°C < TA < +125°C, VIN = 10.0 V | 5 | |
| Quiescent current | IIN | 1.2 | mA | No load, −55°C < TA < +125°C | 5 | ||
| Output voltage noise (p-p) | eN p-p | 10 | µV p-p | 0.1 Hz to 10.0 Hz | 5 | ||
| Output voltage noise density | eN | 200 | nV/√Hz | 1 kHz | 5 | ||
| Turn-on settling time | tR | 800 | µs | 5 | |||
| Long-term stability | ΔVOUT_LTD | 60 | ppm | 1000 hours | 5 | ||
| Output voltage hysteresis | ΔVOUT_HYS | 50 | ppm | 25°C < TA < +125°C | 5 | ||
| Power supply rejection ratio | PSRR | -75 | dB | fIN = 10 kHz | 5 | ||
| Short-circuit current | ISC | 30 | mA | 5 | |||
| Output voltage adjustment range (TRIM) | ΔVTRIM | -6 | 6 | % | POT = 10 kΩ | 5 | |
| TEMP pin output voltage | VTEMP | 657 | mV | 5 | |||
| TEMP pin temperature sensitivity | TCVTEMP | 2.2 | mV/°C | 5 | |||
| Input voltage (absolute maximum) | 45 | V | 4 | ||||
| Operating temperature range (SOIC and MSOP) | -55 | 125 | °C | 4 | |||
| Storage temperature range | -65 | 150 | °C | 4 | |||
| Junction temperature | -65 | 150 | °C | 4 | |||
| Pin temperature, soldering | 300 | °C | 60 s | 4 | |||
| Junction-to-ambient thermal resistance (8-pin SOIC) | θJA | 130 | °C/W | Worst case, device soldered to board | 4 | ||
| Junction-to-case thermal resistance (8-pin SOIC) | θJC | 43 | °C/W | 4 |
CAD (KiCad official)
- Symbol:
GM7400ARZ-2.5-R7 - Footprint:
Package_SO:SOIC-8_3.9x4.9mm_P1.27mm - 3D model: SO-8 (KiCad packages3D, STEP)
- 3D model files:
gm7400arz-2-5-r7-etched.step/gm7400arz-2-5-r7-etched.glbcarry the MPN laser-etched on the die in a toggleableAdom.LaserEtchgroup (Fusion-ready);gm7400arz-2-5-r7.step/gm7400arz-2-5-r7.glbare the bare package body.
Provenance
Data extracted from the manufacturer datasheet, not a distributor listing:
- Datasheet: GONGMOSEMI datasheet (15 pp, sha256
fe2242d9abd81cdd, retrieved 2026-10-19, 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, primaryclaude-haiku-5-5(text), consensusclaude-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).
# GM7400ARZ-2.5-R7
**GONGMOSEMI** · Voltage Reference · SO-8
GM7400ARZ-2.5-R7 from GONGMOSEMI, in a SO-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 internal connection; leave floating in the application. |
| 2 | VIN | power_in | Power supply input; the features list gives a 3.5 V to 40 V supply range and the absolute maximum input voltage is 45 V. |
| 3 | TEMP | output | Temperature monitoring pin that outputs an unbuffered PTAT voltage of 657 mV typical with a temperature sensitivity of 2.2 mV/°C per the electrical characteristics table. |
| 4 | GND | power_in | Ground reference for the device. |
| 5 | TRIM | passive | Output voltage trim pin that adjusts VOUT by ±3% to ±6% with a 10 kΩ potentiometer, per the electrical characteristics table. |
| 6 | VOUT | power_out | Reference voltage output, rated for ±10 mA output current with a 30 mA short-circuit current limit. |
| 7 | NC | unconnected | No internal connection; leave floating in the application. |
| 8 | NC | unconnected | No internal connection; leave floating in the application. |
## Key specifications
| Parameter | Value |
|---|---|
| Manufacturer | GONGMOSEMI |
| Package | SO-8 |
| Category | Power Management (PMIC) |
| 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 |
|---|---|---|---|---|---|---|---|
| Output voltage accuracy (Grade A) | VO | -0.04 | | 0.04 | % | Grade A | 5 |
| Temperature coefficient (Grade A, 8-pin SOIC) | TCVO | | 1.5 | 3 | ppm/°C | 8-pin SOIC, −40°C < TA < +125°C, 0°C < TA < +70°C | 5 |
| Minimum input-output voltage differential (VOUT = 2.5V) | VDO | | | 1 | V | VOUT = 2.5V | 5 |
| Line regulation | ΔVO/ΔVIN | | 15 | 25 | ppm/V | VIN = 4.0 V to 50 V, −40°C < TA < +125°C | 5 |
| Load regulation | ΔVO/ΔILOAD | | 15 | 45 | ppm/mA | ILOAD = 0 mA to 10 mA, −40°C < TA < +125°C, VIN = 10.0 V | 5 |
| Quiescent current | IIN | | | 1.2 | mA | No load, −55°C < TA < +125°C | 5 |
| Output voltage noise (p-p) | eN p-p | | | 10 | µV p-p | 0.1 Hz to 10.0 Hz | 5 |
| Output voltage noise density | eN | | | 200 | nV/√Hz | 1 kHz | 5 |
| Turn-on settling time | tR | | | 800 | µs | | 5 |
| Long-term stability | ΔVOUT_LTD | | | 60 | ppm | 1000 hours | 5 |
| Output voltage hysteresis | ΔVOUT_HYS | | | 50 | ppm | 25°C < TA < +125°C | 5 |
| Power supply rejection ratio | PSRR | | | -75 | dB | fIN = 10 kHz | 5 |
| Short-circuit current | ISC | | 30 | | mA | | 5 |
| Output voltage adjustment range (TRIM) | ΔVTRIM | -6 | | 6 | % | POT = 10 kΩ | 5 |
| TEMP pin output voltage | VTEMP | | | 657 | mV | | 5 |
| TEMP pin temperature sensitivity | TCVTEMP | | | 2.2 | mV/°C | | 5 |
| Input voltage (absolute maximum) | | | | 45 | V | | 4 |
| Operating temperature range (SOIC and MSOP) | | -55 | | 125 | °C | | 4 |
| Storage temperature range | | -65 | | 150 | °C | | 4 |
| Junction temperature | | -65 | | 150 | °C | | 4 |
| Pin temperature, soldering | | | | 300 | °C | 60 s | 4 |
| Junction-to-ambient thermal resistance (8-pin SOIC) | θJA | | | 130 | °C/W | Worst case, device soldered to board | 4 |
| Junction-to-case thermal resistance (8-pin SOIC) | θJC | | | 43 | °C/W | | 4 |
## CAD (KiCad official)
- Symbol: `GM7400ARZ-2.5-R7`
- Footprint: `Package_SO:SOIC-8_3.9x4.9mm_P1.27mm`
- 3D model: SO-8 (KiCad packages3D, STEP)
- 3D model files: `gm7400arz-2-5-r7-etched.step` / `gm7400arz-2-5-r7-etched.glb` carry the MPN laser-etched on the die in a toggleable `Adom.LaserEtch` group (Fusion-ready); `gm7400arz-2-5-r7.step` / `gm7400arz-2-5-r7.glb` are the bare package body.
## Provenance
Data extracted from the manufacturer datasheet, not a distributor listing:
- **Datasheet:** [GONGMOSEMI datasheet](https://jlcpcb.com/api/file/downloadByFileSystemAccessId/8603346347680813056) (15 pp, sha256 `fe2242d9abd81cdd`, retrieved 2026-10-19, 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-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/gm7400arz-2-5-r7-datasheet.pdf)