# OPA4170AQPWRQ1

**Texas Instruments** · Operational Amplifier · TSSOP-14

OPA4170AQPWRQ1 from Texas Instruments, in a TSSOP-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 | OUT A | output | Output of amplifier channel A. |
| 2 | -IN A | input | Inverting input of amplifier channel A. |
| 3 | +IN A | input | Noninverting input of amplifier channel A. |
| 4 | V+ | power_in | Positive (highest) power supply; the supply range is 2.7 V to 36 V (V+ - V-). |
| 5 | +IN B | input | Noninverting input of amplifier channel B. |
| 6 | -IN B | input | Inverting input of amplifier channel B. |
| 7 | OUT B | output | Output of amplifier channel B. |
| 8 | OUT C | output | Output of amplifier channel C. |
| 9 | -IN C | input | Inverting input of amplifier channel C. |
| 10 | +IN C | input | Noninverting input of amplifier channel C. |
| 11 | V- | power_in | Negative (lowest) power supply; the supply range is 2.7 V to 36 V (V+ - V-). |
| 12 | +IN D | input | Noninverting input of amplifier channel D. |
| 13 | -IN D | input | Inverting input of amplifier channel D. |
| 14 | OUT D | output | Output of amplifier channel D. |

## Key specifications

| Parameter | Value |
|---|---|
| Manufacturer | Texas Instruments |
| Package | TSSOP-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 | VOS | -1.8 | 0.25 | 1.8 | mV | TA = 25°C | 8 |
| Input offset voltage | VOS | -2 |  | 2 | mV | TA = –40°C to 125°C | 8 |
| Input offset voltage drift | dVOS/dT | -2 | 0.3 | 2 | µV/°C | TA = –40°C to 125°C | 8 |
| Input offset voltage vs power supply | PSRR | -5 | 1 | 5 | µV/V | VS = 4 V to 36 V, TA = –40°C to 125°C | 8 |
| Input bias current | IB | -15 | 8 | 15 | pA | TA = 25°C | 8 |
| Input bias current | IB | -16 |  | 16 | nA | TA = –40°C to 125°C (OPA4170-Q1) | 8 |
| Input offset current | IOS | -15 | 4 | 15 | pA | TA = 25°C | 8 |
| Input offset current | IOS | -16 |  | 16 | nA | TA = –40°C to 125°C (OPA4170-Q1) | 8 |
| Common-mode rejection ratio | CMRR | 90 | 104 |  | dB | VS = ±2 V, (V–) – 0.1 V < VCM < (V+) – 2 V, TA = –40°C to 125°C | 8 |
| Common-mode rejection ratio | CMRR | 104 | 120 |  | dB | VS = ±18 V, (V–) – 0.1 V < VCM < (V+) – 2 V, TA = –40°C to 125°C | 8 |
| Open-loop voltage gain | AOL | 110 | 130 |  | dB | VS = 4 V to 36 V, (V–) + 0.35 V < VO < (V+) – 0.35 V, TA = –40°C to 125°C | 8 |
| Voltage output swing from positive rail | VO |  |  | 10 | mV | IL = 0 mA, VS = 4 V to 36 V | 9 |
| Voltage output swing from positive rail | VO |  |  | 115 | mV | IL sourcing 1 mA, VS = 4 V to 36 V | 9 |
| Voltage output swing from negative rail | VO |  |  | 8 | mV | IL = 0 mA, VS = 4 V to 36 V | 9 |
| Voltage output swing from negative rail | VO |  |  | 70 | mV | IL sinking 1 mA, VS = 4 V to 36 V | 9 |
| Short-circuit current | ISC | -20 |  | 17 | mA |  | 9 |
| Quiescent current per amplifier | IQ |  | 110 | 145 | µA | IO = 0 A, TA = 25°C | 9 |
| Quiescent current per amplifier | IQ |  |  | 155 | µA | IO = 0 A, TA = –40°C to 125°C | 9 |
| Supply voltage (V+ – V–) | VS | 2.7 |  | 36 | V | Specified voltage range | 6 |
| Operating temperature | TA | -40 |  | 125 | °C |  | 6 |
| Supply voltage |  | -20 |  | 20 | V | Over operating free-air temperature range | 6 |
| Single supply voltage |  |  |  | 40 | V |  | 6 |
| Signal input pin current |  | -10 |  | 10 | mA |  | 6 |
| Operating ambient temperature | TA | -55 |  | 150 | °C |  | 6 |
| Junction temperature | TJ |  |  | 150 | °C |  | 6 |
| Storage temperature | Tstg | -65 |  | 150 | °C |  | 6 |
| Junction-to-ambient thermal resistance (PW TSSOP-14) | RθJA |  | 106.9 |  | °C/W |  | 7 |
| Junction-to-case (top) thermal resistance (PW TSSOP-14) | RθJC(top) |  | 24.4 |  | °C/W |  | 7 |
| Junction-to-board thermal resistance (PW TSSOP-14) | RθJB |  | 59.3 |  | °C/W |  | 7 |
| Junction-to-top characterization parameter (PW TSSOP-14) | ψJT |  | 0.6 |  | °C/W |  | 7 |
| Junction-to-board characterization parameter (PW TSSOP-14) | ψJB |  | 54.3 |  | °C/W |  | 7 |

## CAD (KiCad official)

- Symbol: `OPA4170AQPWRQ1`
- Footprint: `Package_SO:TSSOP-14_4.4x5mm_P0.65mm`
- 3D model: TSSOP-14 (KiCad packages3D, STEP)
- 3D model files: `opa4170aqpwrq1-etched.step` / `opa4170aqpwrq1-etched.glb` carry the MPN laser-etched on the die in a toggleable `Adom.LaserEtch` group (Fusion-ready); `opa4170aqpwrq1.step` / `opa4170aqpwrq1.glb` are the bare package body.

## Provenance

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

- **Datasheet:** [Texas Instruments datasheet](https://www.ti.com/cn/lit/gpn/opa2170-q1) (44 pp, sha256 `cd18af12e7ffe098`, retrieved 2026-10-11, tier: lcsc)
- **Datasheet language:** Chinese. Pin names, descriptions, and specs on this page were extracted and translated to English by ds2sf; the linked PDF is the manufacturer original.
- **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/opa4170aqpwrq1-datasheet.pdf)