# BA10339F-E2

**ROHM Semicon** · Comparators · SOP-14

BA10339F-E2 from ROHM Semicon, in a SOP-14. 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 | OUT2 | output | Open-collector output of comparator 2; input and output are ground sense operated. |
| 2 | OUT1 | output | Open-collector output of comparator 1; input and output are ground sense operated. |
| 3 | VCC | power_in | Positive supply pin; BA10339xx operates from +3.0V to +36.0V single supply, with absolute maximum supply voltage VCC-VEE of +36V. |
| 4 | -IN1 | input | Inverting input of comparator 1; input common-mode voltage range is (VEE-0.3)V to (VEE+36)V, and input current is limited to -10mA absolute maximum. |
| 5 | +IN1 | input | Non-inverting input of comparator 1; input common-mode voltage range is (VEE-0.3)V to (VEE+36)V, and input current is limited to -10mA absolute maximum. |
| 6 | -IN2 | input | Inverting input of comparator 2; input common-mode voltage range is (VEE-0.3)V to (VEE+36)V, and input current is limited to -10mA absolute maximum. |
| 7 | +IN2 | input | Non-inverting input of comparator 2; input common-mode voltage range is (VEE-0.3)V to (VEE+36)V, and input current is limited to -10mA absolute maximum. |
| 8 | -IN3 | input | Inverting input of comparator 3; input common-mode voltage range is (VEE-0.3)V to (VEE+36)V, and input current is limited to -10mA absolute maximum. |
| 9 | +IN3 | input | Non-inverting input of comparator 3; input common-mode voltage range is (VEE-0.3)V to (VEE+36)V, and input current is limited to -10mA absolute maximum. |
| 10 | -IN4 | input | Inverting input of comparator 4; input common-mode voltage range is (VEE-0.3)V to (VEE+36)V, and input current is limited to -10mA absolute maximum. |
| 11 | +IN4 | input | Non-inverting input of comparator 4; input common-mode voltage range is (VEE-0.3)V to (VEE+36)V, and input current is limited to -10mA absolute maximum. |
| 12 | VEE | power_in | Negative supply pin and input common-mode reference; split supply operation is ±1.5V to ±18.0V for BA10339xx, and inputs must stay above VEE-0.3V. |
| 13 | OUT4 | output | Open-collector output of comparator 4; input and output are ground sense operated. |
| 14 | OUT3 | output | Open-collector output of comparator 3; input and output are ground sense operated. |

## Key specifications

| Parameter | Value |
|---|---|
| Manufacturer | ROHM Semicon |
| Package | SOP-14 |
| Category | Amplifiers/Comparators |
| Pins | 14 |

## 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 | VIO |  | 1 | 5 | mV | OUT=1.4V | 7 |
| Input Offset Current | IIO |  | 5 | 50 | nA | OUT=1.4V | 7 |
| Input Bias Current | IB |  | 50 | 250 | nA | OUT=1.4V | 7 |
| Supply Current | ICC |  | 0.8 | 2 | mA | RL=∞, All Comparators | 7 |
| Output Saturation Voltage (Low Level Output Voltage) | VOL |  | 250 | 400 | mV | -IN=1V, +IN=0V ISINK=4mA | 7 |
| Output Leakage Current (High Level Output Current) | ILEAK |  |  | 1 | μA | -IN=0V, +IN=1V OUT=36V | 7 |
| Output Sink Current | ISINK | 6 | 16 |  | mA | -IN=1V, +IN=0V OUT=1.5V | 7 |
| Large Signal Voltage Gain | AV | 50 | 200 |  | V/mV | VCC=15V, OUT=1.4 ~ 11.4V | 7 |
| Large Signal Voltage Gain | AV | 94 | 106 |  | dB | RL=15kΩ, VRL=15V | 7 |
| Input Common-mode Voltage Range | VICM | 0 |  |  | V | 25°C; max printed as VCC-1.5 V, not numeric; see review_required | 7 |
| Supply Voltage | VCC-VEE |  |  | 36 | V | Ta=25°C | 5 |
| Power Dissipation (SOP14) | PD |  |  | 0.49 | W | SOP14, Note 6,8: mounted on FR4 glass epoxy PCB (70mm×70mm×1.6mm); reduce 4.9mW above TA=25°C | 5 |
| Input Current | II | -10 |  |  | mA | Note 10: excessive input current flows if differential input voltage exceeds approx. 0.6V without limiting resistance | 5 |
| Operating Supply Voltage (single supply) | Vopr | 3 |  | 36 | V | Single supply VCC-VEE | 5 |
| Operating Supply Voltage (split supply) | Vopr | 1.5 |  | 18 | V | Split supply ±1.5 to ±18.0 V | 5 |
| Operating Temperature Range | Topr | -40 |  | 85 | °C | BA10339xx | 5 |
| Storage Temperature Range | Tstg | -55 |  | 125 | °C | BA10339xx | 5 |
| Maximum Junction Temperature | Tjmax |  |  | 125 | °C | BA10339xx | 5 |

## CAD (KiCad official)

- Symbol: `BA10339F-E2`
- Footprint: `Package_SO:SOIC-14_3.9x8.7mm_P1.27mm`
- 3D model: SOP-14 (KiCad packages3D, STEP)
- 3D model files: `ba10339f-e2-etched.step` / `ba10339f-e2-etched.glb` carry the MPN laser-etched on the die in a toggleable `Adom.LaserEtch` group (Fusion-ready); `ba10339f-e2.step` / `ba10339f-e2.glb` are the bare package body.

## Provenance

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

- **Datasheet:** [ROHM Semicon datasheet](https://jlcpcb.com/api/file/downloadByFileSystemAccessId/8586193491768578048) (56 pp, sha256 `8d86c855556ae810`, retrieved 2026-10-19, 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](docs/ba10339f-e2-datasheet.pdf)