# OPA4316IDR

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

OPA4316IDR from Texas Instruments, in a SOIC-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 A, which swings typically within 30 mV of either supply rail at a 10-kΩ resistive load and is continuous short-circuit protected to ground (one amplifier per package). |
| 2 | -IN A | input | Inverting input of amplifier A, whose common-mode voltage must stay between (V-) - 0.5 V and (V+) + 0.5 V and whose input current must be limited to 10 mA. |
| 3 | +IN A | input | Noninverting input of amplifier A, whose common-mode voltage must stay between (V-) - 0.5 V and (V+) + 0.5 V and whose input current must be limited to 10 mA. |
| 4 | V+ | power_in | Positive supply, specified for 1.8 V to 5.5 V with an absolute maximum of 7 V. |
| 5 | +IN B | input | Noninverting input of amplifier B, whose common-mode voltage must stay between (V-) - 0.5 V and (V+) + 0.5 V and whose input current must be limited to 10 mA. |
| 6 | -IN B | input | Inverting input of amplifier B, whose common-mode voltage must stay between (V-) - 0.5 V and (V+) + 0.5 V and whose input current must be limited to 10 mA. |
| 7 | OUT B | output | Output of amplifier B, which swings typically within 30 mV of either supply rail at a 10-kΩ resistive load and is continuous short-circuit protected to ground (one amplifier per package). |
| 8 | OUT C | output | Output of amplifier C, which swings typically within 30 mV of either supply rail at a 10-kΩ resistive load and is continuous short-circuit protected to ground (one amplifier per package). |
| 9 | -IN C | input | Inverting input of amplifier C, whose common-mode voltage must stay between (V-) - 0.5 V and (V+) + 0.5 V and whose input current must be limited to 10 mA. |
| 10 | +IN C | input | Noninverting input of amplifier C, whose common-mode voltage must stay between (V-) - 0.5 V and (V+) + 0.5 V and whose input current must be limited to 10 mA. |
| 11 | V- | power_in | Negative supply or ground for single-supply operation, the reference for the 1.8 V to 5.5 V supply span. |
| 12 | +IN D | input | Noninverting input of amplifier D, whose common-mode voltage must stay between (V-) - 0.5 V and (V+) + 0.5 V and whose input current must be limited to 10 mA. |
| 13 | -IN D | input | Inverting input of amplifier D, whose common-mode voltage must stay between (V-) - 0.5 V and (V+) + 0.5 V and whose input current must be limited to 10 mA. |
| 14 | OUT D | output | Output of amplifier D, which swings typically within 30 mV of either supply rail at a 10-kΩ resistive load and is continuous short-circuit protected to ground (one amplifier per package). |

## Key specifications

| Parameter | Value |
|---|---|
| Manufacturer | Texas Instruments |
| Package | SOIC-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 |
|---|---|---|---|---|---|---|---|
| Supply voltage |  |  |  | 7 | V |  | 6 |
| Signal input current |  | -10 |  | 10 | mA |  | 6 |
| Operating temperature | TA | -55 |  | 150 | °C |  | 6 |
| Junction temperature | TJ |  |  | 150 | °C |  | 6 |
| Storage temperature | Tstg | -65 |  | 150 | °C |  | 6 |
| Electrostatic discharge, human body model (HBM) | V(ESD) | -4000 |  | 4000 | V | Per ANSI/ESDA/JEDEC JS-001 | 6 |
| Electrostatic discharge, charged device model (CDM) | V(ESD) | -1500 |  | 1500 | V | Per JEDEC JESD22-C101 | 6 |
| Supply voltage | VS | 1.8 |  | 5.5 | V |  | 6 |
| Specified temperature |  | -40 |  | 125 | °C |  | 6 |
| Input offset voltage | VOS | -2.5 | 0.5 | 2.5 | mV | VS = 5 V | 9 |
| Input offset voltage | VOS | -3.5 |  | 3.5 | mV | VS = 5 V, TA = –40°C to 125°C | 9 |
| Offset voltage drift | dVOS/dT | -10 | 2 | 10 | µV/°C | VS = 5 V, TA = –40°C to 125°C | 9 |
| PSRR vs power supply | PSRR | -150 | 30 | 150 | µV/V | VS = 1.8 V – 5.5 V, VCM = (V–) | 9 |
| PSRR vs power supply | PSRR | -250 |  | 250 | µV/V | VS = 1.8 V – 5.5 V, VCM = (V–), TA = –40°C to 125°C | 9 |
| Common-mode rejection ratio | CMRR | 70 | 86 |  | dB | VS = 1.8 V, (V–) – 0.2 V < VCM < (V+) – 1.4 V, TA = –40°C to 125°C | 9 |
| Common-mode rejection ratio | CMRR | 76 | 90 |  | dB | VS = 5.5 V, (V–) – 0.2 V < VCM < (V+) – 1.4 V, TA = –40°C to 125°C | 9 |
| Common-mode rejection ratio | CMRR | 57 | 72 |  | dB | VS = 1.8 V, VCM = –0.2 V to 1.8 V, TA = –40°C to 125°C | 9 |
| Common-mode rejection ratio | CMRR | 65 | 80 |  | dB | VS = 5.5 V, VCM = –0.2 V to 5.7 V, TA = –40°C to 125°C | 9 |
| Input bias current | IB | -15 | 5 | 15 | pA |  | 9 |
| Input bias current | IB | -15 |  | 15 | nA | TA = –40°C to 125°C | 9 |
| Input offset current | IOS | -15 | 2 | 15 | pA |  | 9 |
| Input offset current | IOS | -8 |  | 8 | nA | TA = –40°C to 125°C | 9 |
| Open-loop voltage gain | AOL | 94 | 100 |  | dB | VS = 1.8 V, (V–) + 0.04 V < VO < (V+) – 0.04 V, RL = 10 kΩ | 9 |
| Open-loop voltage gain | AOL | 104 | 110 |  | dB | VS = 5.5 V, (V–) + 0.05 V < VO < (V+) – 0.05 V, RL = 10 kΩ | 9 |
| Open-loop voltage gain | AOL | 90 | 96 |  | dB | VS = 1.8 V, (V–) + 0.1 V < VO < (V+) – 0.1 V, RL = 2 kΩ | 9 |
| Open-loop voltage gain | AOL | 100 | 106 |  | dB | VS = 5.5 V, (V–) + 0.15 V < VO < (V+) – 0.15 V, RL = 2 kΩ | 9 |
| Open-loop voltage gain | AOL | 86 |  |  | dB | VS = 5.5 V, (V–) + 0.05 V < VO < (V+) – 0.05 V, RL = 10 kΩ, TA = –40°C to 125°C | 9 |
| Open-loop voltage gain | AOL | 84 |  |  | dB | VS = 5.5 V, (V–) + 0.15 V < VO < (V+) – 0.15 V, RL = 2 kΩ, TA = –40°C to 125°C | 9 |
| Voltage output swing from supply rails | VO |  |  | 15 | mV | VS = 1.8 V, RL = 10 kΩ, TA = –40°C to 125°C | 10 |
| Voltage output swing from supply rails | VO |  |  | 30 | mV | VS = 5.5 V, RL = 10 kΩ, TA = –40°C to 125°C | 10 |
| Voltage output swing from supply rails | VO |  |  | 60 | mV | VS = 1.8 V, RL = 2 kΩ, TA = –40°C to 125°C | 10 |
| Voltage output swing from supply rails | VO |  |  | 120 | mV | VS = 5.5 V, RL = 2 kΩ, TA = –40°C to 125°C | 10 |
| Short-circuit current | ISC | -50 |  | 50 | mA | VS = 5 V | 10 |
| Quiescent current per amplifier | IQ |  | 400 | 500 | µA | VS = 5 V, IO = 0 mA, TA = –40°C to 125°C | 10 |
| Junction-to-ambient thermal resistance (D, SOIC-14) | RθJA |  | 87 |  | °C/W |  | 8 |
| Junction-to-case (top) thermal resistance (D, SOIC-14) | RθJC(top) |  | 44.4 |  | °C/W |  | 8 |
| Junction-to-board thermal resistance (D, SOIC-14) | RθJB |  | 41.7 |  | °C/W |  | 8 |
| Junction-to-top characterization parameter (D, SOIC-14) | ψJT |  | 11.6 |  | °C/W |  | 8 |
| Junction-to-board characterization parameter (D, SOIC-14) | ψJB |  | 41.4 |  | °C/W |  | 8 |

## CAD (KiCad official)

- Symbol: `OPA4316IDR`
- Footprint: `Package_SO:SOIC-14_3.9x8.7mm_P1.27mm`
- 3D model: SOIC-14 (KiCad packages3D, STEP)
- 3D model files: `opa4316idr-etched.step` / `opa4316idr-etched.glb` carry the MPN laser-etched on the die in a toggleable `Adom.LaserEtch` group (Fusion-ready); `opa4316idr.step` / `opa4316idr.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/lit/ds/symlink/opa4316.pdf) (66 pp, sha256 `8a47545ba80aa690`, retrieved 2026-10-11, 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/opa4316idr-datasheet.pdf)