component
OPA2348MM
Public Made by Adomby adom
HGSEMI Operational Amplifier, MSOP-8. Pinout cross-checked by two models against the datasheet, KiCad symbol/footprint/3D.
3D Model
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Symbol & Footprint
Schematic Symbol
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PCB Footprint
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Datasheet
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README
markdownOPA2348MM
HGSEMI · Operational Amplifier · MSOP-8
OPA2348MM 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 | Out A | output | Amplifier A output, rail-to-rail, swinging to within 18mV of the supply rail with a 100kΩ load. |
| 2 | -In A | input | Amplifier A inverting input; common-mode range (V-)-0.2V to (V+)+0.2V with input current limited to 10mA. |
| 3 | +In A | input | Amplifier A non-inverting input; common-mode range (V-)-0.2V to (V+)+0.2V with input current limited to 10mA. |
| 4 | V- | power_in | Negative supply (ground in single-supply use); supply range 2.1V to 5.5V total, 7.5V absolute maximum. |
| 5 | +In B | input | Amplifier B non-inverting input; common-mode range (V-)-0.2V to (V+)+0.2V with input current limited to 10mA. |
| 6 | -In B | input | Amplifier B inverting input; common-mode range (V-)-0.2V to (V+)+0.2V with input current limited to 10mA. |
| 7 | Out B | output | Amplifier B output, rail-to-rail, swinging to within 18mV of the supply rail with a 100kΩ load. |
| 8 | V+ | power_in | Positive supply, +2.1V to +5.5V operating (2.5V to 5.5V specified), 7.5V absolute maximum; bypass with 0.01µF ceramic capacitor. |
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 |
|---|---|---|---|---|---|---|---|
| Supply Voltage | 7.5 | V | 3 | ||||
| Signal Input Terminals Current | 10 | mA | 3 | ||||
| Operating Temperature | -40 | 125 | C | 3 | |||
| Storage Temperature | -65 | 150 | C | 3 | |||
| Junction Temperature | 150 | C | 3 | ||||
| Lead Temperature (soldering, 10s) | 260 | C | soldering, 10s | 3 | |||
| Input Offset Voltage | VOS | 1 | 5 | mV | VS = 5V, VCM = (V-) + 0.8V | 4 | |
| Input Offset Voltage over temperature | VOS | 6 | mV | Over Temperature | 4 | ||
| Common-Mode Rejection Ratio | CMRR | 70 | 82 | dB | (V-)-0.2V<VCM<(V+)-1.7V | 4 | |
| Common-Mode Rejection Ratio over temperature | CMRR | 66 | dB | over temperature (V-)-0.2V<VCM<(V+)-1.7V | 4 | ||
| Common-Mode Rejection Ratio | CMRR | 60 | 71 | dB | VS=5.5V,(V-)-0.2<VCM<(V+)+0.2V | 4 | |
| Common-Mode Rejection Ratio over temperature | CMRR | 56 | dB | over temperature VS=5.5V,(V-)<VCM<(V+) | 4 | ||
| Open-Loop Voltage Gain | AOL | 94 | 108 | dB | Vs=5V,RL=100KΩ,0.025V<VO<4.975V | 4 | |
| Open-Loop Voltage Gain over temperature | AOL | 90 | dB | over temperature Vs=5V,RL=100KΩ,0.025V<VO<4.975V | 4 | ||
| Open-Loop Voltage Gain | AOL | 90 | 98 | dB | Vs=5V,RL=5KΩ,0.125V<VO<4.875V | 4 | |
| Open-Loop Voltage Gain over temperature | AOL | 88 | dB | over temperature Vs=5V,RL=5KΩ,0.125V<VO<4.875V | 4 | ||
| Voltage Output Swing from Rail | 18 | 25 | mV | RL = 100kΩ, AOL > 94dB | 4 | ||
| Voltage Output Swing from Rail over temperature | 25 | mV | over temperature RL = 100kΩ, AOL > 90dB | 4 | |||
| Voltage Output Swing from Rail | 100 | 125 | mV | RL = 5kΩ, AOL > 90dB | 4 | ||
| Voltage Output Swing from Rail over temperature | 125 | mV | over temperature RL = 5kΩ, AOL > 88dB | 4 | |||
| Specified Voltage Range | VS | 2.5 | 5.5 | V | 4 | ||
| Minimum Operating Voltage | 2.1 | V | printed as '2.1 to 5.5' | 4 | |||
| Quiescent Current (per amplifier) | IQ | 45 | 65 | µA | IO = 0 | 4 | |
| Quiescent Current (per amplifier) over temperature | IQ | 75 | µA | over temperature, IO = 0 | 4 | ||
| Specified Range | -40 | 125 | C | 4 | |||
| Operating Range | -65 | 150 | C | 4 | |||
| Thermal Resistance MSOP-8 Surface-Mount | JA | 150 | C/W | MSOP-8 Surface-Mount | 4 |
CAD (KiCad official)
- Symbol:
OPA2348MM - Footprint:
Package_SO:MSOP-8_3x3mm_P0.65mm - 3D model: MSOP-8 (KiCad packages3D, STEP)
- 3D model files:
opa2348mm-etched.step/opa2348mm-etched.glbcarry the MPN laser-etched on the die in a toggleableAdom.LaserEtchgroup (Fusion-ready);opa2348mm.step/opa2348mm.glbare the bare package body.
Provenance
Data extracted from the manufacturer datasheet, not a distributor listing:
- Datasheet: HGSEMI datasheet (17 pp, sha256
51f8724eb3bcde8e, retrieved 2026-10-18, tier: lcsc) - Extractor: parts-factory
2.0.0/extract_pins 0.3, primaryclaude-sonnet-5-5(text+vision), consensusclaude-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).