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MS8552

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Hangzhou Ruimeng Tech Precision OpAmps, SOP-8. Pinout extracted from the datasheet, KiCad symbol/footprint/3D.

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docs ms8552: re-etch, flat white mark read from pin 1 (service-occt 1.4.0) + chip hero · Ray 1mo ago
viewers ms8552: viewers · Ray 2mo ago
ms8552-etched.fit.json ms8552: re-etch, flat white mark read from pin 1 (service-occt 1.4.0) + chip hero · Ray 1mo ago
ms8552-etched.glb ms8552: white body in tscircuit (pre-1.8 etch structure under an assembly instance); Ray 2026-10-19: black IC body with… · Ray 1d ago
ms8552-etched.step ms8552: white body in tscircuit (pre-1.8 etch structure under an assembly instance); Ray 2026-10-19: black IC body with… · Ray 1d ago
ms8552.glb Publish 0.1.0 · Ray 2mo ago
ms8552.kicad_mod Publish 0.1.0 · Ray 2mo ago
ms8552.kicad_sym Publish 0.1.0 · Ray 2mo ago
ms8552.lbr Publish 0.1.0 · Ray 2mo ago
ms8552.step Publish 0.1.0 · Ray 2mo ago
package.json Publish 0.1.0 · Ray 2mo ago
page.json ms8552: white body in tscircuit (pre-1.8 etch structure under an assembly instance); Ray 2026-10-19: black IC body with… · Ray 1d ago
README.md ms8552: specified limits as data (metadata.characteristics, 60 rows from the datasheet) · Ray 20d ago

MS8552

Hangzhou Ruimeng Tech · Precision OpAmps · SOP-8

MS8552 from Hangzhou Ruimeng Tech, in a SOP-8. Pinout and pin descriptions extracted from the manufacturer datasheet by ds2sf; symbol, footprint, and 3D from KiCad-official CAD.

Pinout

Pin Name Type Function
1 OUTA output Amplifier A output. Rail-to-rail; swings within a few mV of the supply rails with a 10k or 100k load.
2 -INA input Amplifier A inverting input. High-impedance CMOS input, 20pA typ input bias current, common-mode range 0V to VS.
3 +INA input Amplifier A non-inverting input. High-impedance CMOS input, 20pA typ input bias current, common-mode range 0V to VS.
4 -VS power_in Negative supply / ground. Typically tied to GND for single-supply operation; total supply (VS to -VS) range is 2.5V to 5.5V.
5 +INB input Amplifier B non-inverting input. High-impedance CMOS input, 20pA typ input bias current, common-mode range 0V to VS.
6 -INB input Amplifier B inverting input. High-impedance CMOS input, 20pA typ input bias current, common-mode range 0V to VS.
7 OUTB output Amplifier B output. Rail-to-rail; swings within a few mV of the supply rails with a 10k or 100k load.
8 +VS power_in Positive supply. Single-supply range 2.5V to 5.5V referenced to -VS. Quiescent current 400µA/channel typ.

Key specifications

Parameter Value
Manufacturer Hangzhou Ruimeng Tech
Package SOP-8
Category Op-amp/Cmp
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 (Vs=5V) VOS 8 24 μV Vs=+5V, VCM=+2.5V, Vo=+2.5V, TA=25℃ (table default) 2
Input offset voltage over temperature (Vs=5V) VOS 28 μV Vs=+5V; -40℃≤TA≤125℃ 2
Input voltage range (Vs=5V) 0 5 V 2
Common-mode rejection ratio (Vs=5V) CMRR 90 110 dB VCM = 0V to 5V 2
Common-mode rejection ratio over temperature (Vs=5V) CMRR 83 dB VCM = 0V to 5V; -40℃≤TA≤125℃ 2
Large-signal voltage gain (Vs=5V) AVO 100 145 dB RL= 10kΩ, Vo= 0.3V to 4.7V 2
Large-signal voltage gain over temperature (Vs=5V) AVO 97 dB RL= 10kΩ, Vo= 0.3V to 4.7V; -40℃≤TA≤125℃ 2
Output high voltage (Vs=5V) VOH 4.99 4.998 V RL = 100kΩ to -Vs 2
Output high voltage over temperature (Vs=5V) VOH 4.987 V RL = 100kΩ to -Vs; -40℃≤TA≤125℃ 2
Output high voltage, 10kΩ load (Vs=5V) VOH 4.985 4.991 V RL = 10kΩ to -Vs 2
Output high voltage, 10kΩ load over temperature (Vs=5V) VOH 4.98 V RL = 10kΩ to -Vs; -40℃≤TA≤125℃ 2
Output low voltage (Vs=5V) VOL 2 10 mV RL = 100kΩ to +Vs 2
Output low voltage over temperature (Vs=5V) VOL 13 mV RL = 100kΩ to +Vs; -40℃≤TA≤125℃ 2
Output low voltage, 10kΩ load (Vs=5V) VOL 9 15 mV RL = 10kΩ to +Vs 2
Output low voltage, 10kΩ load over temperature (Vs=5V) VOL 20 mV RL = 10kΩ to +Vs; -40℃≤TA≤125℃ 2
Short-circuit current (Vs=5V) ISC 40 51 mA Vo= 2.5V, RL = 10Ω to GND 2
Short-circuit current over temperature (Vs=5V) ISC 23 mA Vo= 2.5V, RL = 10Ω to GND; -40℃≤TA≤125℃ 2
Power supply rejection ratio (Vs=5V) PSRR 90 110 dB Vs =2.5V to 5.5V 2
Power supply rejection ratio over temperature (Vs=5V) PSRR 80 dB Vs =2.5V to 5.5V; -40℃≤TA≤125℃ 2
Quiescent current (Vs=5V) IQ 400 500 μA Vo = Vs/2 2
Quiescent current over temperature (Vs=5V) IQ 800 μA Vo = Vs/2; -40℃≤TA≤125℃ 2
Input offset voltage (Vs=2.7V) VOS 4 20 μV Vs=+2.7V, VCM=+1.35V, Vo=+1.35V, TA=25℃ (table default) 3
Input offset voltage over temperature (Vs=2.7V) VOS 24 μV Vs=+2.7V; -40℃≤TA≤125℃ 3
Input voltage range (Vs=2.7V) 0 5 V 3
Common-mode rejection ratio (Vs=2.7V) CMRR 90 100 dB VCM = 0V to 5V 3
Common-mode rejection ratio over temperature (Vs=2.7V) CMRR 81 dB VCM = 0V to 5V; -40℃≤TA≤125℃ 3
Large-signal voltage gain (Vs=2.7V) AVO 100 135 dB RL= 10kΩ, Vo= 0.3V to 4.7V 3
Large-signal voltage gain over temperature (Vs=2.7V) AVO 94 dB RL= 10kΩ, Vo= 0.3V to 4.7V; -40℃≤TA≤125℃ 3
Output high voltage (Vs=2.7V) VOH 2.69 2.699 V RL = 100kΩ to -Vs 3
Output high voltage over temperature (Vs=2.7V) VOH 2.688 V RL = 100kΩ to -Vs; -40℃≤TA≤125℃ 3
Output high voltage, 10kΩ load (Vs=2.7V) VOH 2.685 2.693 V RL = 10kΩ to -Vs 3
Output high voltage, 10kΩ load over temperature (Vs=2.7V) VOH 2.682 V RL = 10kΩ to -Vs; -40℃≤TA≤125℃ 3
Output low voltage (Vs=2.7V) VOL 0.2 10 mV RL = 100kΩ to +Vs 3
Output low voltage over temperature (Vs=2.7V) VOL 12 mV RL = 100kΩ to +Vs; -40℃≤TA≤125℃ 3
Output low voltage, 10kΩ load (Vs=2.7V) VOL 1 15 mV RL = 10kΩ to +Vs 3
Output low voltage, 10kΩ load over temperature (Vs=2.7V) VOL 18 mV RL = 10kΩ to +Vs; -40℃≤TA≤125℃ 3
Short-circuit current (Vs=2.7V) ISC 20 28 mA Vo= 2.5V, RL = 10Ω to GND 3
Short-circuit current over temperature (Vs=2.7V) ISC 15 mA Vo= 2.5V, RL = 10Ω to GND; -40℃≤TA≤125℃ 3
Power supply rejection ratio (Vs=2.7V) PSRR 90 110 dB Vs =2.5V to 5.5V 3
Power supply rejection ratio over temperature (Vs=2.7V) PSRR 80 dB Vs =2.5V to 5.5V; -40℃≤TA≤125℃ 3
Quiescent current (Vs=2.7V) IQ 500 550 μA Vo = Vs/2 3
Quiescent current over temperature (Vs=2.7V) IQ 1050 μA Vo = Vs/2; -40℃≤TA≤125℃ 3
Power supply voltage (absolute maximum) 6 V 12
Differential input voltage (absolute maximum) -5 5 V 12
Storage temperature range -65 150 ℃ 12
Junction temperature 150 ℃ 12
Operating temperature range -40 125 ℃ 12
Single supply voltage range 2.5 5.5 V Single supply 1
Input offset voltage drift (Vs=5V) VOS TC 56 nV/℃ -40℃≤TA≤125℃ 2
Input bias current (Vs=5V) IB 20 pA Vs=+5V, VCM=+2.5V, Vo=+2.5V, TA=25℃ (table default) 2
Input offset current (Vs=5V) IOS 74 pA Vs=+5V, VCM=+2.5V, Vo=+2.5V, TA=25℃ (table default) 2
Gain bandwidth product (Vs=5V) GBP 1.16 MHz Av = +100 2
Slew rate (Vs=5V) SR 0.9 V/μs Av = +1, RL = 10kΩ, 2V output swing 2
Overload recovery time (Vs=5V) 0.06 ms Av = -100, RL = 10kΩ, VIN=200mV (recovers to GND) 2
Input offset voltage drift (Vs=2.7V) VOS TC 56 nV/℃ -40℃≤TA≤125℃ 3
Input bias current (Vs=2.7V) IB 4 pA Vs=+2.7V, VCM=+1.35V, Vo=+1.35V, TA=25℃ (table default) 3
Input offset current (Vs=2.7V) IOS 44 pA Vs=+2.7V, VCM=+1.35V, Vo=+1.35V, TA=25℃ (table default) 3
Gain bandwidth product (Vs=2.7V) GBP 1.18 MHz Av = +100 3
Slew rate (Vs=2.7V) SR 0.9 V/μs Av = +1, RL = 10kΩ, 2V output swing 3
Overload recovery time (Vs=2.7V) 0.03 ms Av = -100, RL = 10kΩ, VIN=200mV (recovers to GND) 3

CAD (KiCad official)

  • Symbol: MS8552
  • Footprint: Package_SO:SOIC-8_3.9x4.9mm_P1.27mm
  • 3D model: SOP-8 (KiCad packages3D, STEP)
  • 3D model files: ms8552-etched.step / ms8552-etched.glb carry the MPN laser-etched on the die in a toggleable Adom.LaserEtch group (Fusion-ready); ms8552.step / ms8552.glb are the bare package body.

Provenance

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

  • Datasheet: Hangzhou Ruimeng Tech datasheet (16 pp, sha256 afd06b3ec4fea5da, retrieved 2026-08-17, 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: ds2sf (Claude). Every pin and dimension is cited to a datasheet page; it refuses to fabricate.
  • CAD: KiCad official libraries (CC-BY-SA 4.0).

Datasheet PDF