COS722MR from COSINE, in a MSOP-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	OUT1	output	Amplifier A output. Rail-to-rail output; swing extends to within ~1 mV (RL=100kΩ), 8 mV (RL=10kΩ), or 40 mV (RL=2kΩ) of each supply rail. Short-circuit sourcing/sinking ~21/22 mA.
2	-IN1	input	Amplifier A inverting input. Voltage range -Vs -0.3V to +Vs +0.3V. Input bias current ±2.5 pA typ; input terminals are diode-clamped to the supply rails (limit current to 10 mA if driven beyond rails).
3	+IN1	input	Amplifier A non-inverting input. Same voltage range as -IN1 (-Vs -0.3V to +Vs +0.3V). Rail-to-rail common-mode input range.
4	-Vs	power_in	Negative power supply or ground. For single-supply operation tie to ground; for dual-supply operation (±1.25V to ±2.75V) bypass to ground with a 0.1µF ceramic cap placed close to the pin. Total supply span (+Vs to -Vs) is 6.0 V absolute maximum.
5	+IN2	input	Amplifier B non-inverting input. Same voltage range as -IN (-Vs -0.3V to +Vs +0.3V). Rail-to-rail common-mode input range.
6	-IN2	input	Amplifier B inverting input. Voltage range -Vs -0.3V to +Vs +0.3V. Input bias current ±2.5 pA typ; diode-clamped to rails.
7	OUT2	output	Amplifier B output. Rail-to-rail output; swing extends to within a few mV of each supply rail. Short-circuit sourcing/sinking ~21/22 mA.
8	+Vs	power_in	Positive power supply, 2.5V to 5.5V (single-supply) or +1.25V to +2.75V (dual-supply). Absolute maximum +Vs to -Vs is 6.0 V. Bypass with a 0.1µF ceramic capacitor placed as close to the pin as possible; a 2.2µF tantalum may be added for improved performance. Quiescent current ~650 µA per amplifier.

Key specifications

Parameter	Value
Manufacturer	COSINE
Package	MSOP-8
Category	Op-amp/Cmp
Pins	8

Ordering variants

Same part, different packaging or reel option.

COS722MR
COS722SR

CAD (KiCad official)

Symbol: COS722MR
Footprint: Package_SO:MSOP-8_3x3mm_P0.65mm
3D model: MSOP-8 (KiCad packages3D, STEP)

3D model downloads

Two STEP files. Same geometry, different body top:

File	Size	Use it when
`cos722mr.step`	123 KB	You want the bare part, or you mark your own boards.
`cos722mr-etched.step`	1.8 MB	You want the part with `COS722MR` already on it.

The marking in the etched file is real recessed geometry cut into the solid, not a texture or a decal: 451 faces against 147 in the bare model. It survives export, section views, and rendering in any CAD tool, and it drops straight into KiCad or Fusion with no extra setup.

Provenance

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

Datasheet: COSINE datasheet (10 pp, sha256 c3bf767fb360554e, retrieved 2026-08-17, tier: lcsc)
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