OPA2337UA from Texas Instruments, in a SOIC-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	Output of channel A. Rail-to-rail output swing; short-circuit protected (continuous, one amplifier per package).
2	-INA	input	Inverting input of channel A. FET input, IB = 10 pA max. Input voltage clamped to (V-) - 0.5 V to (V+) + 0.5 V by internal diodes; max input current 10 mA.
3	+INA	input	Non-inverting input of channel A. FET input, IB = 10 pA max. Common-mode range includes V- (ground in single-supply operation).
4	V-	power_in	Negative supply rail (or ground in single-supply operation). Total supply (V+) - (V-) rated 2.5 V to 5.5 V (7.5 V absolute maximum). Bypass with a 0.1 µF ceramic capacitor close to the pin.
5	+INB	input	Non-inverting input of channel B. FET input, IB = 10 pA max. Common-mode range includes V-.
6	-INB	input	Inverting input of channel B. FET input, IB = 10 pA max. Input voltage clamped to (V-) - 0.5 V to (V+) + 0.5 V by internal diodes; max input current 10 mA.
7	OUTB	output	Output of channel B. Rail-to-rail output swing; short-circuit protected (continuous, one amplifier per package).
8	V+	power_in	Positive supply rail. Total supply (V+) - (V-) rated 2.5 V to 5.5 V (7.5 V absolute maximum). Bypass with a 0.1 µF ceramic capacitor close to the pin.

Key specifications

Parameter	Value
Manufacturer	Texas Instruments
Package	SOIC-8
Category	Amplifiers/Comparators
Pins	8

Ordering variants

Same part, different packaging or reel option.

OPA2337UA
OPA2337UA/2K5
OPA2337UAEA/250
OPA2337UAEA/3K

CAD (KiCad official)

Symbol: OPA2337UA
Footprint: Package_SO:SOIC-8_3.9x4.9mm_P1.27mm
3D model: SOIC-8 (KiCad packages3D, STEP)

Provenance

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

Datasheet: Texas Instruments datasheet (None pp, sha256 8add6849583ea65a, 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