# MC33174DTBR2G

**onsemi** · Operational Amplifier · TSSOP-14

MC33174DTBR2G from onsemi, in a TSSOP-14. 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 | Output of amplifier 1. Class-AB NPN output stage; swings to within ~0.8 V of VCC and ~0.05 V of VEE at light load. Short-circuit protected with ~5 mA source / ~27 mA sink typical current limit. |
| 2 | IN1- | input | Inverting input of amplifier 1. High-impedance Darlington PNP input (~300 MΩ typical differential resistance, 20 nA typical bias current). Common-mode range includes VEE. |
| 3 | IN1+ | input | Non-inverting input of amplifier 1. High-impedance Darlington PNP input. Input common-mode range extends from VEE to (VCC - 1.8 V) typical. |
| 4 | VCC | power_in | Positive supply pin. Single-supply operation from 3.0 V to 44 V, or split-supply operation ±1.5 V to ±22 V. Quiescent supply current ~220 µA/amplifier typical at ±15 V (total ~880 µA for quad). |
| 5 | IN2+ | input | Non-inverting input of amplifier 2. High-impedance Darlington PNP input; common-mode range includes VEE. |
| 6 | IN2- | input | Inverting input of amplifier 2. High-impedance Darlington PNP input, 20 nA typical bias current. |
| 7 | OUT2 | output | Output of amplifier 2. Class-AB NPN output stage; short-circuit protected. |
| 8 | OUT3 | output | Output of amplifier 3. Class-AB NPN output stage; short-circuit protected. |
| 9 | IN3- | input | Inverting input of amplifier 3. High-impedance Darlington PNP input. |
| 10 | IN3+ | input | Non-inverting input of amplifier 3. Common-mode range includes VEE. |
| 11 | VEE | power_in | Negative supply pin (or GND for single-supply operation). Combined supply range VCC-VEE from 3.0 V to 44 V. |
| 12 | IN4+ | input | Non-inverting input of amplifier 4. Common-mode range includes VEE. |
| 13 | IN4- | input | Inverting input of amplifier 4. High-impedance Darlington PNP input. |
| 14 | OUT4 | output | Output of amplifier 4. Class-AB NPN output stage; short-circuit protected. |

## Key specifications

| Parameter | Value |
|---|---|
| Manufacturer | onsemi |
| Package | TSSOP-14 |
| Category | Op-amp/Cmp |
| Pins | 14 |

## Ordering variants

Same part, different packaging or reel option.

- `MC33174DTBR2G`
- `MC33174DTBR2GD`
- `MC33174DTBR2GVD`
- `MC33174DTBR2GP`
- `MC33174DTBR2GVP`

## CAD (KiCad official)

- Symbol: `MC33174DTBR2G`
- Footprint: `Package_SO:TSSOP-14_4.4x5mm_P0.65mm`
- 3D model: TSSOP-14 (KiCad packages3D, STEP)
- 3D model files: `mc33174dtbr2g-etched.step` / `mc33174dtbr2g-etched.glb` carry the MPN laser-etched on the die in a toggleable `Adom.LaserEtch` group (Fusion-ready); `mc33174dtbr2g.step` / `mc33174dtbr2g.glb` are the bare package body.

## Provenance

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

- **Datasheet:** [onsemi datasheet](docs/mc33174dtbr2g-datasheet.pdf) (19 pp, sha256 `87e3a21f1c86671d`, 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](docs/mc33174dtbr2g-datasheet.pdf)