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GM45002ARMZ-R7

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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.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 (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