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Contents

README

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OPA2340M

HGSEMI · Operational Amplifier · SOP-8

OPA2340M from HGSEMI, 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 OUT1 output Amplifier 1 output.
2 -IN1 input Inverting input of amplifier 1, with a voltage range from (VS- - 0.1V) to (VS+ + 0.1V).
3 +IN1 input Non-inverting input of amplifier 1, with the same voltage range as -IN.
4 -VS power_in Negative power supply.
5 +IN2 input Non-inverting input of amplifier 2, with the same voltage range as -IN.
6 -IN2 input Inverting input of amplifier 2, with a voltage range from (VS- - 0.1V) to (VS+ + 0.1V).
7 OUT2 output Amplifier 2 output.
8 +VS power_in Positive power supply.

Key specifications

Parameter Value
Manufacturer HGSEMI
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 -0.35 0.1 0.35 mV 5
Offset voltage drift VOS TC 1 2.3 μV/℃ TA = −40 to +125 ℃ 5
Power supply rejection ratio PSRR 95 110 dB VS = 2.0 to 5.5 V, VCM < VS+ − 2V 5
Power supply rejection ratio over temperature PSRR 82 dB TA = −40 to +125 ℃ 5
Input bias current IB 150 pA TA = +85 ℃ 5
Input bias current IB 500 pA TA = +125 ℃ 5
Common-mode voltage range (VS− − 0.1 V to VS+ + 0.1 V) VCM -0.1 0.1 V 5
Common-mode rejection ratio CMRR 80 96 dB VS = 5.5 V, VCM = −0.1 to 5.6 V 5
Common-mode rejection ratio CMRR 75 dB VCM = 0 to 5.3 V, TA = −40 to +125 ℃ 5
Common-mode rejection ratio CMRR 76 90 dB VS = 2.0 V, VCM = −0.1 to 2.1 V 5
Common-mode rejection ratio CMRR 70 dB VCM = 0 to 1.8 V, TA = −40 to +125 ℃ 5
Open-loop voltage gain AVOL 97 105 dB RL = 10 kΩ, VO = 0.05 to 3.5 V 5
Open-loop voltage gain over temperature AVOL 87 dB TA = −40 to +125 ℃ 5
Open-loop voltage gain AVOL 85 90 dB RL = 600 Ω, VO = 0.15 to 3.5 V 5
Open-loop voltage gain over temperature AVOL 75 dB TA = −40 to +125 ℃ 5
High output voltage swing (VS+ referenced) VOH -12 -8 mV RL = 10 kΩ 6
High output voltage swing (VS+ referenced) VOH -180 -125 mV RL = 600 Ω 6
Low output voltage swing (VS− referenced) VOL 6 9 mV RL = 10 kΩ 6
Low output voltage swing (VS− referenced) VOL 90 130 mV RL = 600 Ω 6
Short-circuit current ISC -75 75 mA 6
Operating supply voltage VS 1.8 5.5 V TA = 0 to +70 ℃ 6
Operating supply voltage VS 2 5.5 V TA = −40 to +125 ℃ 6
Quiescent current (per amplifier) IQ 625 760 μA VS = 2.0 V 6
Quiescent current (per amplifier) IQ 750 930 μA VS = 5.0 V 6
Operating temperature range TA -40 125 ℃ 6
Package thermal resistance, SOP-8 (θJA) θJA 125 ℃/W SOP-8 package 6
Supply voltage, VS+ to VS− 10 V 4
Signal input terminal voltage (VS− − 0.5 V to VS+ + 0.5 V) -0.5 0.5 V 4
Signal input terminal current -10 10 mA 4
Storage temperature range Tstg -65 150 ℃ 4
Junction temperature TJ 150 ℃ 4
Lead temperature range (soldering) 260 ℃ 10 sec soldering 4
ESD, human body model (HBM) -5000 5000 V MIL-STD-883J / Method 3015.9 4
ESD, charged device model (CDM) -2000 2000 V ESDA/JEDEC JS-002-2014 4
ESD, machine model (MM) -250 250 V JESD22-A115C 4

CAD (KiCad official)

  • Symbol: OPA2340M
  • Footprint: Package_SO:SOIC-8_3.9x4.9mm_P1.27mm
  • 3D model: SOP-8 (KiCad packages3D, STEP)
  • 3D model files: opa2340m-etched.step / opa2340m-etched.glb carry the MPN laser-etched on the die in a toggleable Adom.LaserEtch group (Fusion-ready); opa2340m.step / opa2340m.glb are the bare package body.

Provenance

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

  • Datasheet: HGSEMI datasheet (21 pp, sha256 6481da42ff809a99, retrieved 2026-10-17, tier: lcsc)
  • Extractor: parts-factory 2.0.0 / extract_pins 0.3, primary claude-sonnet-5-5 (text+vision), consensus claude-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).

Datasheet PDF