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BA2903F-E2

Public Made by Adom

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ROHM Semicon Comparators, SOP-8. Pinout cross-checked by two models against the datasheet, KiCad symbol/footprint/3D.

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BA2903F-E2

ROHM Semicon · Comparators · SOP-8

BA2903F-E2 from ROHM Semicon, 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 Channel 1 comparator output, which is an open-collector output per the datasheet features list.
2 -IN1 input Channel 1 inverting input, ground-sense operated, with common-mode range (VEE-0.3) V to (VEE+36) V and input current limited to -10 mA absolute maximum.
3 +IN1 input Channel 1 non-inverting input, ground-sense operated, with common-mode range (VEE-0.3) V to (VEE+36) V and input current limited to -10 mA absolute maximum.
4 VEE power_in Negative supply pin; operating supply is +2.0 V to +36.0 V single supply or ±1.0 V to ±18.0 V split supply, with VCC-VEE absolute maximum of +36 V.
5 +IN2 input Channel 2 non-inverting input, ground-sense operated, with common-mode range (VEE-0.3) V to (VEE+36) V and input current limited to -10 mA absolute maximum.
6 -IN2 input Channel 2 inverting input, ground-sense operated, with common-mode range (VEE-0.3) V to (VEE+36) V and input current limited to -10 mA absolute maximum.
7 OUT2 output Channel 2 comparator output, which is an open-collector output per the datasheet features list.
8 VCC power_in Positive supply pin; operating supply is +2.0 V to +36.0 V single supply or ±1.0 V to ±18.0 V split supply, with VCC-VEE absolute maximum of +36 V.

Key specifications

Parameter Value
Manufacturer ROHM Semicon
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 (25°C) VIO 2 7 mV OUT=1.4V 8
Input offset voltage (full range -40°C to +125°C) VIO 15 mV VCC=5 to 36V, OUT=1.4V 8
Input offset current (25°C) IIO 5 50 nA OUT=1.4V 8
Input offset current (full range -40°C to +125°C) IIO 200 nA 8
Input bias current (25°C) IB 50 250 nA OUT=1.4V 8
Input bias current (full range -40°C to +125°C) IB 500 nA 8
Input common-mode voltage range (25°C; max printed as VCC-1.5 V) VICM 0 V 8
Large signal voltage gain (25°C) AV 25 100 V/mV VCC=15V, OUT=1.4 to 11.4V 8
Large signal voltage gain (25°C) AV 88 100 dB RL=15kΩ, VRL=15V 8
Supply current (25°C) ICC 0.6 1 mA OUT=Open 8
Supply current (full range -40°C to +125°C) ICC 2.5 mA OUT=Open, VCC=36V 8
Output sink current (25°C) ISINK 6 16 mA +IN=0V, -IN=1V OUT=1.5V 8
Output saturation voltage, low level output (25°C) VOL 150 400 mV +IN=0V, -IN= 1V 8
Output saturation voltage, low level output (full range -40°C to +125°C) VOL 700 mV ISINK=4mA 8
Output leakage current, high level output (full range -40°C to +125°C) ILEAK 1 μA +IN=1V, -IN=0V OUT=36V 8
Supply voltage (VCC-VEE) VCC-VEE 36 V 5
Power dissipation (SOP8) PD 0.77 W SOP8, Note 11,16: reduce 6.2mW above TA=25°C 5
Differential input voltage VID 36 V Note 17 5
Input common-mode voltage range VICM 36 V Referenced to VEE; printed as (VEE-0.3) to (VEE+36) 5
Input current II -10 mA Note 18 5
Operating supply voltage (single supply) Vopr 2 36 V 5
Operating supply voltage (split supply) Vopr 1 18 V Split supply, ±1.0 to ±18.0 V 5
Operating temperature range (BA2903xxx) Topr -40 125 °C 5
Storage temperature range Tstg -55 150 °C 5
Maximum junction temperature Tjmax 150 °C 5

CAD (KiCad official)

  • Symbol: BA2903F-E2
  • Footprint: Package_SO:SOIC-8_3.9x4.9mm_P1.27mm
  • 3D model: SOP-8 (KiCad packages3D, STEP)
  • 3D model files: ba2903f-e2-etched.step / ba2903f-e2-etched.glb carry the MPN laser-etched on the die in a toggleable Adom.LaserEtch group (Fusion-ready); ba2903f-e2.step / ba2903f-e2.glb are the bare package body.

Provenance

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

  • Datasheet: ROHM Semicon datasheet (59 pp, sha256 d03140fa0ae29b4f, retrieved 2026-10-18, tier: lcsc)
  • Extractor: parts-factory 2.0.0 / extract_pins 0.3, primary claude-haiku-5-5 (text), consensus claude-sonnet-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