component
GM45002ARMZ-R7
Public Made by Adomby adom
GONGMOSEMI Precision Op Amps, MSOP-8-EP. Pinout cross-checked by two models against the datasheet, KiCad symbol/footprint/3D.
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GM45002ARMZ-R7
GONGMOSEMI · Precision Op Amps · MSOP-8-EP
GM45002ARMZ-R7 from GONGMOSEMI, in a MSOP-8-EP. 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 amplifier A, which swings rail-to-rail. |
| 2 | -INA | input | Inverting input of amplifier A; the input common-mode range is 0 V to 5 V when operating from 5 V. |
| 3 | +INA | input | Non-inverting input of amplifier A; the input common-mode range is 0 V to 5 V when operating from 5 V. |
| 4 | V- | power_in | Negative power supply pin; supply is 2.7 V to 5.5 V single-supply or ±1.35 V to ±2.75 V split-supply, with a absolute maximum V+ − V− of 6 V. |
| 5 | +INB | input | Non-inverting input of amplifier B; the input common-mode range is 0 V to 5 V when operating from 5 V. |
| 6 | -INB | input | Inverting input of amplifier B; the input common-mode range is 0 V to 5 V when operating from 5 V. |
| 7 | OUTB | output | Output of amplifier B, which swings rail-to-rail. |
| 8 | V+ | power_in | Positive power supply pin; supply is 2.7 V to 5.5 V single-supply or ±1.35 V to ±2.75 V split-supply, with an absolute maximum V+ − V− of 6 V. |
| 9 | EP | passive | Exposed pad (from the footprint; not named in the datasheet pin table). |
Key specifications
| Parameter | Value |
|---|---|
| Manufacturer | GONGMOSEMI |
| Package | MSOP-8-EP |
| Category | Amplifiers/Comparators |
| Pins | 9 |
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 (25°C) | VOS | 6 | 86 | µV | VS=5.0 V or ±2.5 V; VCM=0 V to 5 V; TA=25°C | 5 | |
| Input offset voltage (over temperature) | VOS | 270 | µV | VS=5.0 V or ±2.5 V; VCM=0 V to 5 V; −40°C ≤ TA ≤ +125°C | 5 | ||
| Input offset voltage drift | ΔVOS/ΔT | 0.4 | 2.3 | µV/°C | VS=5.0 V or ±2.5 V; −40°C ≤ TA ≤ +125°C | 5 | |
| Input bias current (25°C) | IB | 0.5 | 5 | pA | VS=5.0 V or ±2.5 V; TA=25°C | 5 | |
| Input bias current (over temperature) | IB | 250 | pA | VS=5.0 V or ±2.5 V; −40°C ≤ TA ≤ +125°C | 5 | ||
| Input offset current (over temperature) | IOS | 250 | pA | VS=5.0 V or ±2.5 V; −40°C ≤ TA ≤ +125°C | 5 | ||
| Input voltage range | 0 | 5 | V | VS=5.0 V or ±2.5 V | 5 | ||
| Common-mode rejection ratio (25°C) | CMRR | 90 | 107 | dB | VS=5.0 V or ±2.5 V; VCM=0 V to 5 V; TA=25°C | 5 | |
| Common-mode rejection ratio (over temperature) | CMRR | 85 | dB | VS=5.0 V or ±2.5 V; VCM=0 V to 5 V; −40°C ≤ TA ≤ +125°C | 5 | ||
| Large-signal voltage gain (25°C) | AVO | 97 | 101 | dB | VS=5.0 V or ±2.5 V; VO=0.2 V to 4.8 V; RL=10 kΩ; VCM=0 V; TA=25°C | 5 | |
| Large-signal voltage gain (over temperature) | AVO | 91 | dB | VS=5.0 V or ±2.5 V; VO=0.2 V to 4.8 V; RL=10 kΩ; VCM=0 V; −40°C ≤ TA ≤ +125°C | 5 | ||
| High output voltage | VOH | 4.97 | 4.99 | V | VS=5.0 V or ±2.5 V; IL=1 mA; −40°C ≤ TA ≤ +125°C | 5 | |
| Low output voltage | VOL | 4 | 30 | mV | VS=5.0 V or ±2.5 V; IL=1 mA; −40°C ≤ TA ≤ +125°C | 5 | |
| Output current | IOUT | -220 | 220 | mA | VS=5.0 V or ±2.5 V; VOUT=±0.5 V; TA=25°C | 5 | |
| Power supply rejection ratio (25°C) | PSRR | 88 | 108 | dB | VS = 2.7 V to 5.5 V | 5 | |
| Amplifier supply current (25°C) | ISY | 6 | 7.9 | mA | VS=5.0 V or ±2.5 V; VO=0 V; TA=25°C | 5 | |
| Amplifier supply current (over temperature) | ISY | 11 | mA | VS=5.0 V or ±2.5 V; VO=0 V; −40°C ≤ TA ≤ +125°C | 5 | ||
| Input offset voltage (25°C) | VOS | 11 | 200 | µV | VS=2.7 V or ±1.35 V; VCM=0 V to 5 V; TA=25°C | 6 | |
| Input offset voltage (over temperature) | VOS | 450 | µV | VS=2.7 V or ±1.35 V; VCM=0 V to 5 V; −40°C ≤ TA ≤ +125°C | 6 | ||
| Input offset voltage drift | ΔVOS/ΔT | 0.6 | 3 | µV/°C | VS=2.7 V or ±1.35 V; −40°C ≤ TA ≤ +125°C | 6 | |
| Input bias current (25°C) | IB | 0.5 | 5 | pA | VS=2.7 V or ±1.35 V; TA=25°C | 6 | |
| Input bias current (over temperature) | IB | 250 | pA | VS=2.7 V or ±1.35 V; −40°C ≤ TA ≤ +125°C | 6 | ||
| Input offset current (over temperature) | IOS | 250 | pA | VS=2.7 V or ±1.35 V; −40°C ≤ TA ≤ +125°C | 6 | ||
| Input voltage range | 0 | 5 | V | VS=2.7 V or ±1.35 V | 6 | ||
| Common-mode rejection ratio (25°C) | CMRR | 86 | 103 | dB | VS=2.7 V or ±1.35 V; VCM=0 V to 5 V; TA=25°C | 6 | |
| Common-mode rejection ratio (over temperature) | CMRR | 82 | dB | VS=2.7 V or ±1.35 V; VCM=0 V to 5 V; −40°C ≤ TA ≤ +125°C | 6 | ||
| Large-signal voltage gain (25°C) | AVO | 110 | 116 | dB | VS=2.7 V or ±1.35 V; VO=0.2 V to 4.8 V; RL=10 kΩ; VCM=0 V; TA=25°C | 6 | |
| Large-signal voltage gain (over temperature) | AVO | 97 | dB | VS=2.7 V or ±1.35 V; VO=0.2 V to 4.8 V; RL=10 kΩ; VCM=0 V; −40°C ≤ TA ≤ +125°C | 6 | ||
| High output voltage | VOH | 4.97 | 4.99 | V | VS=2.7 V or ±1.35 V; IL=1 mA; −40°C ≤ TA ≤ +125°C | 6 | |
| Low output voltage | VOL | 4 | 30 | mV | VS=2.7 V or ±1.35 V; IL=1 mA; −40°C ≤ TA ≤ +125°C | 6 | |
| Output current | IOUT | -50 | 50 | mA | VS=2.7 V or ±1.35 V; VOUT=±0.5 V; TA=25°C | 6 | |
| Power supply rejection ratio (25°C) | PSRR | 89 | 104 | dB | VS = 2.7 V to 5.5 V | 6 | |
| Amplifier supply current (over temperature) | ISY | 11 | mA | VS=2.7 V or ±1.35 V; VO=0 V; −40°C ≤ TA ≤ +125°C | 6 | ||
| Power supply voltage (V+ − V−) | 6 | V | 4 | ||||
| Differential input voltage | -6 | 6 | V | 4 | |||
| ESD, human body model | 2 | kV | HBM | 4 | |||
| Storage temperature range | -65 | 150 | °C | 4 | |||
| Junction temperature range | -65 | 150 | °C | 4 | |||
| Soldering temperature | 260 | °C | duration not printed | 4 | |||
| Junction-to-ambient thermal resistance, 8-pin MSOP | θJA | 210 | °C/W | worst case; device soldered to board (surface-mount package) | 4 | ||
| Junction-to-case thermal resistance, 8-pin MSOP | θJC | 45 | °C/W | 8-pin MSOP | 4 | ||
| Single supply voltage | 2.7 | 5.5 | V | single supply; dual ±1.35 V to ±2.75 V also stated | 1 | ||
| Operating junction temperature | -40 | 125 | °C | junction temperature operation | 1 |
CAD (KiCad official)
- Symbol:
GM45002ARMZ-R7 - Footprint:
Package_SO:MSOP-8-1EP_3x3mm_P0.65mm_EP1.5x1.8mm - 3D model: MSOP-8-EP (KiCad packages3D, STEP)
- 3D model files:
gm45002armz-r7-etched.step/gm45002armz-r7-etched.glbcarry the MPN laser-etched on the die in a toggleableAdom.LaserEtchgroup (Fusion-ready);gm45002armz-r7.step/gm45002armz-r7.glbare the bare package body.
Provenance
Data extracted from the manufacturer datasheet, not a distributor listing:
- Datasheet: GONGMOSEMI datasheet (16 pp, sha256
e01ad8381be9acfa, 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).
# GM45002ARMZ-R7
**GONGMOSEMI** · Precision Op Amps · MSOP-8-EP
GM45002ARMZ-R7 from GONGMOSEMI, in a MSOP-8-EP. 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 amplifier A, which swings rail-to-rail. |
| 2 | -INA | input | Inverting input of amplifier A; the input common-mode range is 0 V to 5 V when operating from 5 V. |
| 3 | +INA | input | Non-inverting input of amplifier A; the input common-mode range is 0 V to 5 V when operating from 5 V. |
| 4 | V- | power_in | Negative power supply pin; supply is 2.7 V to 5.5 V single-supply or ±1.35 V to ±2.75 V split-supply, with a absolute maximum V+ − V− of 6 V. |
| 5 | +INB | input | Non-inverting input of amplifier B; the input common-mode range is 0 V to 5 V when operating from 5 V. |
| 6 | -INB | input | Inverting input of amplifier B; the input common-mode range is 0 V to 5 V when operating from 5 V. |
| 7 | OUTB | output | Output of amplifier B, which swings rail-to-rail. |
| 8 | V+ | power_in | Positive power supply pin; supply is 2.7 V to 5.5 V single-supply or ±1.35 V to ±2.75 V split-supply, with an absolute maximum V+ − V− of 6 V. |
| 9 | EP | passive | Exposed pad (from the footprint; not named in the datasheet pin table). |
## Key specifications
| Parameter | Value |
|---|---|
| Manufacturer | GONGMOSEMI |
| Package | MSOP-8-EP |
| Category | Amplifiers/Comparators |
| Pins | 9 |
## 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 (25°C) | VOS | | 6 | 86 | µV | VS=5.0 V or ±2.5 V; VCM=0 V to 5 V; TA=25°C | 5 |
| Input offset voltage (over temperature) | VOS | | | 270 | µV | VS=5.0 V or ±2.5 V; VCM=0 V to 5 V; −40°C ≤ TA ≤ +125°C | 5 |
| Input offset voltage drift | ΔVOS/ΔT | | 0.4 | 2.3 | µV/°C | VS=5.0 V or ±2.5 V; −40°C ≤ TA ≤ +125°C | 5 |
| Input bias current (25°C) | IB | | 0.5 | 5 | pA | VS=5.0 V or ±2.5 V; TA=25°C | 5 |
| Input bias current (over temperature) | IB | | | 250 | pA | VS=5.0 V or ±2.5 V; −40°C ≤ TA ≤ +125°C | 5 |
| Input offset current (over temperature) | IOS | | | 250 | pA | VS=5.0 V or ±2.5 V; −40°C ≤ TA ≤ +125°C | 5 |
| Input voltage range | | 0 | | 5 | V | VS=5.0 V or ±2.5 V | 5 |
| Common-mode rejection ratio (25°C) | CMRR | 90 | 107 | | dB | VS=5.0 V or ±2.5 V; VCM=0 V to 5 V; TA=25°C | 5 |
| Common-mode rejection ratio (over temperature) | CMRR | 85 | | | dB | VS=5.0 V or ±2.5 V; VCM=0 V to 5 V; −40°C ≤ TA ≤ +125°C | 5 |
| Large-signal voltage gain (25°C) | AVO | 97 | 101 | | dB | VS=5.0 V or ±2.5 V; VO=0.2 V to 4.8 V; RL=10 kΩ; VCM=0 V; TA=25°C | 5 |
| Large-signal voltage gain (over temperature) | AVO | 91 | | | dB | VS=5.0 V or ±2.5 V; VO=0.2 V to 4.8 V; RL=10 kΩ; VCM=0 V; −40°C ≤ TA ≤ +125°C | 5 |
| High output voltage | VOH | 4.97 | 4.99 | | V | VS=5.0 V or ±2.5 V; IL=1 mA; −40°C ≤ TA ≤ +125°C | 5 |
| Low output voltage | VOL | | 4 | 30 | mV | VS=5.0 V or ±2.5 V; IL=1 mA; −40°C ≤ TA ≤ +125°C | 5 |
| Output current | IOUT | -220 | | 220 | mA | VS=5.0 V or ±2.5 V; VOUT=±0.5 V; TA=25°C | 5 |
| Power supply rejection ratio (25°C) | PSRR | 88 | 108 | | dB | VS = 2.7 V to 5.5 V | 5 |
| Amplifier supply current (25°C) | ISY | | 6 | 7.9 | mA | VS=5.0 V or ±2.5 V; VO=0 V; TA=25°C | 5 |
| Amplifier supply current (over temperature) | ISY | | | 11 | mA | VS=5.0 V or ±2.5 V; VO=0 V; −40°C ≤ TA ≤ +125°C | 5 |
| Input offset voltage (25°C) | VOS | | 11 | 200 | µV | VS=2.7 V or ±1.35 V; VCM=0 V to 5 V; TA=25°C | 6 |
| Input offset voltage (over temperature) | VOS | | | 450 | µV | VS=2.7 V or ±1.35 V; VCM=0 V to 5 V; −40°C ≤ TA ≤ +125°C | 6 |
| Input offset voltage drift | ΔVOS/ΔT | | 0.6 | 3 | µV/°C | VS=2.7 V or ±1.35 V; −40°C ≤ TA ≤ +125°C | 6 |
| Input bias current (25°C) | IB | | 0.5 | 5 | pA | VS=2.7 V or ±1.35 V; TA=25°C | 6 |
| Input bias current (over temperature) | IB | | | 250 | pA | VS=2.7 V or ±1.35 V; −40°C ≤ TA ≤ +125°C | 6 |
| Input offset current (over temperature) | IOS | | | 250 | pA | VS=2.7 V or ±1.35 V; −40°C ≤ TA ≤ +125°C | 6 |
| Input voltage range | | 0 | | 5 | V | VS=2.7 V or ±1.35 V | 6 |
| Common-mode rejection ratio (25°C) | CMRR | 86 | 103 | | dB | VS=2.7 V or ±1.35 V; VCM=0 V to 5 V; TA=25°C | 6 |
| Common-mode rejection ratio (over temperature) | CMRR | 82 | | | dB | VS=2.7 V or ±1.35 V; VCM=0 V to 5 V; −40°C ≤ TA ≤ +125°C | 6 |
| Large-signal voltage gain (25°C) | AVO | 110 | 116 | | dB | VS=2.7 V or ±1.35 V; VO=0.2 V to 4.8 V; RL=10 kΩ; VCM=0 V; TA=25°C | 6 |
| Large-signal voltage gain (over temperature) | AVO | 97 | | | dB | VS=2.7 V or ±1.35 V; VO=0.2 V to 4.8 V; RL=10 kΩ; VCM=0 V; −40°C ≤ TA ≤ +125°C | 6 |
| High output voltage | VOH | 4.97 | 4.99 | | V | VS=2.7 V or ±1.35 V; IL=1 mA; −40°C ≤ TA ≤ +125°C | 6 |
| Low output voltage | VOL | | 4 | 30 | mV | VS=2.7 V or ±1.35 V; IL=1 mA; −40°C ≤ TA ≤ +125°C | 6 |
| Output current | IOUT | -50 | | 50 | mA | VS=2.7 V or ±1.35 V; VOUT=±0.5 V; TA=25°C | 6 |
| Power supply rejection ratio (25°C) | PSRR | 89 | 104 | | dB | VS = 2.7 V to 5.5 V | 6 |
| Amplifier supply current (over temperature) | ISY | | | 11 | mA | VS=2.7 V or ±1.35 V; VO=0 V; −40°C ≤ TA ≤ +125°C | 6 |
| Power supply voltage (V+ − V−) | | | | 6 | V | | 4 |
| Differential input voltage | | -6 | | 6 | V | | 4 |
| ESD, human body model | | | | 2 | kV | HBM | 4 |
| Storage temperature range | | -65 | | 150 | °C | | 4 |
| Junction temperature range | | -65 | | 150 | °C | | 4 |
| Soldering temperature | | | | 260 | °C | duration not printed | 4 |
| Junction-to-ambient thermal resistance, 8-pin MSOP | θJA | | 210 | | °C/W | worst case; device soldered to board (surface-mount package) | 4 |
| Junction-to-case thermal resistance, 8-pin MSOP | θJC | | 45 | | °C/W | 8-pin MSOP | 4 |
| Single supply voltage | | 2.7 | | 5.5 | V | single supply; dual ±1.35 V to ±2.75 V also stated | 1 |
| Operating junction temperature | | -40 | | 125 | °C | junction temperature operation | 1 |
## CAD (KiCad official)
- Symbol: `GM45002ARMZ-R7`
- Footprint: `Package_SO:MSOP-8-1EP_3x3mm_P0.65mm_EP1.5x1.8mm`
- 3D model: MSOP-8-EP (KiCad packages3D, STEP)
- 3D model files: `gm45002armz-r7-etched.step` / `gm45002armz-r7-etched.glb` carry the MPN laser-etched on the die in a toggleable `Adom.LaserEtch` group (Fusion-ready); `gm45002armz-r7.step` / `gm45002armz-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/8773173086348681216) (16 pp, sha256 `e01ad8381be9acfa`, 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/gm45002armz-r7-datasheet.pdf)