component
BA2902SF-E2
Public Made by Adomby adom
ROHM Semicon Operational Amplifier, SOP-14. Pinout cross-checked by two models against the datasheet, KiCad symbol/footprint/3D.
main
BA2902SF-E2
ROHM Semicon · Operational Amplifier · SOP-14
BA2902SF-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 | OUT1 | output | Output of channel 1 (quad op-amp); the datasheet gives no output swing or current limit for this pin. |
| 2 | -IN1 | input | Inverting input of channel 1; the datasheet states the inputs are operable with GND sense. |
| 3 | +IN1 | input | Non-inverting input of channel 1; the datasheet states the inputs are operable with GND sense. |
| 4 | VCC | power_in | Positive supply pin; the datasheet specifies single-supply operation from +3.0V to +36.0V for BA2902/BA2902S. |
| 5 | +IN2 | input | Non-inverting input of channel 2; the datasheet states the inputs are operable with GND sense. |
| 6 | -IN2 | input | Inverting input of channel 2; the datasheet states the inputs are operable with GND sense. |
| 7 | OUT2 | output | Output of channel 2; the datasheet gives no output swing or current limit for this pin. |
| 8 | OUT3 | output | Output of channel 3; the datasheet gives no output swing or current limit for this pin. |
| 9 | -IN3 | input | Inverting input of channel 3; the datasheet states the inputs are operable with GND sense. |
| 10 | +IN3 | input | Non-inverting input of channel 3; the datasheet states the inputs are operable with GND sense. |
| 11 | VEE | power_in | Negative supply pin of the quad op-amp; the datasheet does not state a voltage limit for this pin. |
| 12 | +IN4 | input | Non-inverting input of channel 4; the datasheet states the inputs are operable with GND sense. |
| 13 | -IN4 | input | Inverting input of channel 4; the datasheet states the inputs are operable with GND sense. |
| 14 | OUT4 | output | Output of channel 4; the datasheet gives no output swing or current limit for this pin. |
Key specifications
| Parameter | Value |
|---|---|
| Manufacturer | ROHM Semicon |
| Package | SOP-14 |
| Category | Operational Amplifier/Comparator |
| 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 | 2 | 7 | mV | 25°C; OUT=1.4V | 10 | |
| Input Offset Voltage (full range) | VIO | 10 | mV | Full range -40 to +105°C; VCC=5 to 30V, OUT=1.4V | 10 | ||
| Input Offset Voltage Drift | △VIO/△T | -7 | 7 | μV/°C | OUT=1.4V | 10 | |
| Input Offset Current | IIO | 2 | 50 | nA | 25°C; OUT=1.4V | 10 | |
| Input Offset Current (full range) | IIO | 200 | nA | Full range -40 to +105°C; OUT=1.4V | 10 | ||
| Input Offset Current Drift | △IIO/△T | -10 | 10 | pA/°C | OUT=1.4V | 10 | |
| Input Bias Current | IB | 20 | 250 | nA | 25°C; OUT=1.4V | 10 | |
| Input Bias Current (full range) | IB | 250 | nA | Full range -40 to +105°C; OUT=1.4V | 10 | ||
| Supply Current | ICC | 0.7 | 2 | mA | 25°C; RL=∞, All Op-Amps | 10 | |
| Supply Current (full range) | ICC | 3 | mA | Full range -40 to +105°C; RL=∞, All Op-Amps | 10 | ||
| Maximum Output Voltage (High) | VOH | 3.5 | V | 25°C; RL=2kΩ | 10 | ||
| Maximum Output Voltage (High) (full range) | VOH | 27 | 28 | V | Full range -40 to +105°C; VCC=30V, RL=10kΩ | 10 | |
| Maximum Output Voltage (Low) | VOL | 5 | 20 | mV | Full range -40 to +105°C; RL=∞, All Op-Amps | 10 | |
| Large Signal Voltage Gain | AV | 25 | 100 | V/mV | 25°C; RL≧2kΩ, VCC=15V, OUT=1.4 to 11.4V | 10 | |
| Large Signal Voltage Gain | AV | 88 | 100 | dB | 25°C; RL≧2kΩ, VCC=15V, OUT=1.4 to 11.4V | 10 | |
| Input Common-mode Voltage Range | VICM | 0 | V | 25°C; (VCC-VEE)=5V, OUT=VEE+1.4V | 10 | ||
| Common-mode Rejection Ratio | CMRR | 50 | 80 | dB | 25°C; OUT=1.4V | 10 | |
| Power Supply Rejection Ratio | PSRR | 65 | 100 | dB | 25°C; VCC=5 to 30V | 10 | |
| Output Source Current | ISOURCE | 20 | 30 | mA | 25°C; VIN+=1V, VIN-=0V, OUT=0V, 1CH is short circuit | 10 | |
| Output Source Current (full range) | ISOURCE | 10 | mA | Full range -40 to +105°C; VIN+=1V, VIN-=0V, OUT=0V, 1CH is short circuit | 10 | ||
| Output Sink Current | ISINK | 10 | 20 | mA | 25°C; VIN+=0V, VIN-=1V | 10 | |
| Output Sink Current (full range) | ISINK | 2 | mA | Full range -40 to +105°C; OUT=5V, 1CH is short circuit | 10 | ||
| Output Sink Current (small signal) | ISINK | 12 | 40 | μA | 25°C; VIN+=0V, VIN-=1V, OUT=200mV | 10 | |
| Wide Operating Supply Voltage | Vopr | 3 | 36 | V | Single supply (VCC-VEE) | 5 | |
| Operating Temperature Range | Topr | -40 | 105 | °C | BA2902S | 5 | |
| Supply Voltage | VCC-VEE | 36 | V | BA2904S, BA2902S | 5 | ||
| Differential Input Voltage | VID | 36 | V | BA2904S, BA2902S | 5 | ||
| Input Current | II | -10 | mA | Note 17: excessive current flows when input voltage is below VEE-0.6V | 5 | ||
| Power Dissipation (SOP14) | PD | 560 | mW | SOP14; FR4 glass epoxy PCB 70mm×70mm×1.6mm (Note 13, 15) | 5 | ||
| Storage Temperature Range | Tstg | -55 | 150 | °C | BA2904S, BA2902S | 5 | |
| Maximum Junction Temperature | TJmax | 150 | °C | BA2904S, BA2902S | 5 | ||
| Power Dissipation Derating (SOP14) | 4.5 | mW/°C | Above TA=25°C, subtract per °C (BA2902 SOP14, Note 40) | 40 |
CAD (KiCad official)
- Symbol:
BA2902SF-E2 - Footprint:
Package_SO:SOIC-14_3.9x8.7mm_P1.27mm - 3D model: SOP-14 (KiCad packages3D, STEP)
- 3D model files:
ba2902sf-e2-etched.step/ba2902sf-e2-etched.glbcarry the MPN laser-etched on the die in a toggleableAdom.LaserEtchgroup (Fusion-ready);ba2902sf-e2.step/ba2902sf-e2.glbare the bare package body.
Provenance
Data extracted from the manufacturer datasheet, not a distributor listing:
- Datasheet: ROHM Semicon datasheet (58 pp, sha256
dd01c4bb6c49586e, retrieved 2026-10-28, tier: manufacturer) - Extractor: parts-factory
2.0.0/extract_pins 0.3, primaryclaude-haiku-5-5(text), consensusclaude-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).
# BA2902SF-E2
**ROHM Semicon** · Operational Amplifier · SOP-14
BA2902SF-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 | OUT1 | output | Output of channel 1 (quad op-amp); the datasheet gives no output swing or current limit for this pin. |
| 2 | -IN1 | input | Inverting input of channel 1; the datasheet states the inputs are operable with GND sense. |
| 3 | +IN1 | input | Non-inverting input of channel 1; the datasheet states the inputs are operable with GND sense. |
| 4 | VCC | power_in | Positive supply pin; the datasheet specifies single-supply operation from +3.0V to +36.0V for BA2902/BA2902S. |
| 5 | +IN2 | input | Non-inverting input of channel 2; the datasheet states the inputs are operable with GND sense. |
| 6 | -IN2 | input | Inverting input of channel 2; the datasheet states the inputs are operable with GND sense. |
| 7 | OUT2 | output | Output of channel 2; the datasheet gives no output swing or current limit for this pin. |
| 8 | OUT3 | output | Output of channel 3; the datasheet gives no output swing or current limit for this pin. |
| 9 | -IN3 | input | Inverting input of channel 3; the datasheet states the inputs are operable with GND sense. |
| 10 | +IN3 | input | Non-inverting input of channel 3; the datasheet states the inputs are operable with GND sense. |
| 11 | VEE | power_in | Negative supply pin of the quad op-amp; the datasheet does not state a voltage limit for this pin. |
| 12 | +IN4 | input | Non-inverting input of channel 4; the datasheet states the inputs are operable with GND sense. |
| 13 | -IN4 | input | Inverting input of channel 4; the datasheet states the inputs are operable with GND sense. |
| 14 | OUT4 | output | Output of channel 4; the datasheet gives no output swing or current limit for this pin. |
## Key specifications
| Parameter | Value |
|---|---|
| Manufacturer | ROHM Semicon |
| Package | SOP-14 |
| Category | Operational Amplifier/Comparator |
| 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 | | 2 | 7 | mV | 25°C; OUT=1.4V | 10 |
| Input Offset Voltage (full range) | VIO | | | 10 | mV | Full range -40 to +105°C; VCC=5 to 30V, OUT=1.4V | 10 |
| Input Offset Voltage Drift | △VIO/△T | -7 | | 7 | μV/°C | OUT=1.4V | 10 |
| Input Offset Current | IIO | | 2 | 50 | nA | 25°C; OUT=1.4V | 10 |
| Input Offset Current (full range) | IIO | | | 200 | nA | Full range -40 to +105°C; OUT=1.4V | 10 |
| Input Offset Current Drift | △IIO/△T | -10 | | 10 | pA/°C | OUT=1.4V | 10 |
| Input Bias Current | IB | | 20 | 250 | nA | 25°C; OUT=1.4V | 10 |
| Input Bias Current (full range) | IB | | | 250 | nA | Full range -40 to +105°C; OUT=1.4V | 10 |
| Supply Current | ICC | | 0.7 | 2 | mA | 25°C; RL=∞, All Op-Amps | 10 |
| Supply Current (full range) | ICC | | | 3 | mA | Full range -40 to +105°C; RL=∞, All Op-Amps | 10 |
| Maximum Output Voltage (High) | VOH | 3.5 | | | V | 25°C; RL=2kΩ | 10 |
| Maximum Output Voltage (High) (full range) | VOH | 27 | 28 | | V | Full range -40 to +105°C; VCC=30V, RL=10kΩ | 10 |
| Maximum Output Voltage (Low) | VOL | | 5 | 20 | mV | Full range -40 to +105°C; RL=∞, All Op-Amps | 10 |
| Large Signal Voltage Gain | AV | 25 | 100 | | V/mV | 25°C; RL≧2kΩ, VCC=15V, OUT=1.4 to 11.4V | 10 |
| Large Signal Voltage Gain | AV | 88 | 100 | | dB | 25°C; RL≧2kΩ, VCC=15V, OUT=1.4 to 11.4V | 10 |
| Input Common-mode Voltage Range | VICM | 0 | | | V | 25°C; (VCC-VEE)=5V, OUT=VEE+1.4V | 10 |
| Common-mode Rejection Ratio | CMRR | 50 | 80 | | dB | 25°C; OUT=1.4V | 10 |
| Power Supply Rejection Ratio | PSRR | 65 | 100 | | dB | 25°C; VCC=5 to 30V | 10 |
| Output Source Current | ISOURCE | 20 | 30 | | mA | 25°C; VIN+=1V, VIN-=0V, OUT=0V, 1CH is short circuit | 10 |
| Output Source Current (full range) | ISOURCE | 10 | | | mA | Full range -40 to +105°C; VIN+=1V, VIN-=0V, OUT=0V, 1CH is short circuit | 10 |
| Output Sink Current | ISINK | 10 | 20 | | mA | 25°C; VIN+=0V, VIN-=1V | 10 |
| Output Sink Current (full range) | ISINK | 2 | | | mA | Full range -40 to +105°C; OUT=5V, 1CH is short circuit | 10 |
| Output Sink Current (small signal) | ISINK | 12 | 40 | | μA | 25°C; VIN+=0V, VIN-=1V, OUT=200mV | 10 |
| Wide Operating Supply Voltage | Vopr | 3 | | 36 | V | Single supply (VCC-VEE) | 5 |
| Operating Temperature Range | Topr | -40 | | 105 | °C | BA2902S | 5 |
| Supply Voltage | VCC-VEE | | | 36 | V | BA2904S, BA2902S | 5 |
| Differential Input Voltage | VID | | | 36 | V | BA2904S, BA2902S | 5 |
| Input Current | II | -10 | | | mA | Note 17: excessive current flows when input voltage is below VEE-0.6V | 5 |
| Power Dissipation (SOP14) | PD | | | 560 | mW | SOP14; FR4 glass epoxy PCB 70mm×70mm×1.6mm (Note 13, 15) | 5 |
| Storage Temperature Range | Tstg | -55 | | 150 | °C | BA2904S, BA2902S | 5 |
| Maximum Junction Temperature | TJmax | | | 150 | °C | BA2904S, BA2902S | 5 |
| Power Dissipation Derating (SOP14) | | | 4.5 | | mW/°C | Above TA=25°C, subtract per °C (BA2902 SOP14, Note 40) | 40 |
## CAD (KiCad official)
- Symbol: `BA2902SF-E2`
- Footprint: `Package_SO:SOIC-14_3.9x8.7mm_P1.27mm`
- 3D model: SOP-14 (KiCad packages3D, STEP)
- 3D model files: `ba2902sf-e2-etched.step` / `ba2902sf-e2-etched.glb` carry the MPN laser-etched on the die in a toggleable `Adom.LaserEtch` group (Fusion-ready); `ba2902sf-e2.step` / `ba2902sf-e2.glb` are the bare package body.
## Provenance
Data extracted from the manufacturer datasheet, not a distributor listing:
- **Datasheet:** [ROHM Semicon datasheet](docs/ba2902sf-e2-datasheet.pdf) (58 pp, sha256 `dd01c4bb6c49586e`, retrieved 2026-10-28, tier: manufacturer)
- **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/ba2902sf-e2-datasheet.pdf)