# OPA2320AIDGKR

**Texas Instruments** · Precision OpAmps · VSSOP-8

OPA2320AIDGKR from Texas Instruments, in a VSSOP-8. 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 channel A. |
| 2 | -IN A | input | Inverting input of channel A. |
| 3 | +IN A | input | Noninverting input of channel A. |
| 4 | V- | power_in | Negative (lowest) power supply; supply range VS is 1.8 V to 5.5 V. |
| 5 | +IN B | input | Noninverting input of channel B. |
| 6 | -IN B | input | Inverting input of channel B. |
| 7 | OUT B | output | Output of channel B. |
| 8 | V+ | power_in | Positive (highest) power supply; supply range VS is 1.8 V to 5.5 V. |

## Key specifications

| Parameter | Value |
|---|---|
| Manufacturer | Texas Instruments |
| Package | VSSOP-8 |
| Category | Amplifiers |
| Pins | 8 |

## 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 |  | 40 | 150 | µV |  | 7 |
| Input offset voltage vs temperature | dVOS/dT |  | 1.5 | 5 | µV/°C | VS = 5.5 V, TA = -40°C to 125°C | 7 |
| Input offset voltage vs power supply | PSR |  | 5 | 20 | µV/V | VS = 1.8 V to 5.5 V, TA = 25°C | 7 |
| Input offset voltage vs power supply | PSR |  |  | 15 | µV/V | VS = 1.8 V to 5.5 V, TA = -40°C to 125°C | 7 |
| Common-mode voltage | VCM | -0.1 |  | 0.1 | V | (V-), 0.1 to (V+) + 0.1 | 7 |
| Common-mode rejection ratio | CMRR | 100 | 114 |  | dB | VS = 5.5 V, (V-), 0.1 V < VCM < (V+) + 0.1 V, TA = 25°C | 7 |
| Common-mode rejection ratio | CMRR | 96 |  |  | dB | VS = 5.5 V, (V-), 0.1 V < VCM < (V+) + 0.1 V, TA = -40°C to 125°C | 7 |
| Input bias current | IB | -0.9 | 0.2 | 0.9 | pA | TA = 25°C | 7 |
| Input bias current | IB | -50 |  | 50 | pA | TA = -40°C to 85°C | 7 |
| Input bias current | IB | -400 |  | 400 | pA | TA = -40°C to 125°C, OPA2320 and OPA2320S | 7 |
| Input offset current | IOS | -0.9 | 0.2 | 0.9 | pA | TA = 25°C | 7 |
| Input offset current | IOS | -50 |  | 50 | pA | TA = -40°C to 85°C | 7 |
| Input offset current | IOS | -400 |  | 400 | pA | TA = -40°C to 125°C | 7 |
| Open-loop voltage gain | AOL | 114 | 132 |  | dB | 0.1 V < VO < (V+), 0.1 V, RL = 10 kΩ, TA = 25°C | 8 |
| Open-loop voltage gain | AOL | 100 | 130 |  | dB | 0.1 V < VO < (V+), 0.1 V, RL = 10 kΩ, TA = -40°C to 125°C | 8 |
| Open-loop voltage gain | AOL | 108 | 123 |  | dB | 0.2 V < VO < (V+), 0.2 V, RL = 2 kΩ, TA = 25°C | 8 |
| Open-loop voltage gain | AOL | 96 | 130 |  | dB | 0.2 V < VO < (V+), 0.2 V, RL = 2 kΩ, TA = -40°C to 125°C | 8 |
| Output swing from both rails | VO |  | 10 | 20 | mV | RL = 10 kΩ, TA = 25°C | 8 |
| Output swing from both rails | VO |  | 25 | 35 | mV | RL = 2 kΩ, TA = 25°C | 8 |
| Output swing from both rails | VO |  |  | 30 | mV | RL = 10 kΩ, TA = -40°C to 125°C | 8 |
| Output swing from both rails | VO |  |  | 45 | mV | RL = 2 kΩ, TA = -40°C to 125°C | 8 |
| Specified voltage | VS | 1.8 |  | 5.5 | V |  | 9 |
| Quiescent current per amplifier, OPA2320 | IQ |  | 1.45 | 1.6 | mA | IO = 0 mA, VS = 5.5 V, TA = 25°C | 9 |
| Quiescent current per amplifier, OPA2320 | IQ |  |  | 1.7 | mA | IO = 0 mA, VS = 5.5 V, TA = -40°C to 125°C | 9 |
| Channel separation |  |  | 130 |  | dB | 1 kHz | 7 |
| Gain bandwidth product | GBP |  | 20 |  | MHz | Unity gain, VS = 5 V, CL = 50 pF | 8 |
| Slew rate | SR |  | 10 |  | V/µs | G = +1 | 8 |
| Short-circuit current | ISC |  | 65 |  | mA | VS = 5.5 V | 8 |
| Supply voltage | VS |  |  | 6 | V | VS = (V+), (V-) | 6 |
| Signal input pin voltage |  | -0.5 |  | 0.5 | V | (V-), 0.5 to (V+) + 0.5 | 6 |
| Signal input pin current |  | -10 |  | 10 | mA |  | 6 |
| Operating temperature range | TA | -40 |  | 150 | °C |  | 6 |
| Junction temperature | TJ |  |  | 150 | °C |  | 6 |
| Storage temperature | Tstg | -65 |  | 150 | °C |  | 6 |
| Specified voltage | VS | 1.8 |  | 5.5 | V |  | 6 |
| Specified temperature | TA | -40 |  | 125 | °C |  | 6 |
| Junction-to-ambient thermal resistance | RθJA |  | 174.8 |  | °C/W | DGK (VSSOP) 8 pins | 7 |
| Junction-to-case (top) thermal resistance | RθJC(top) |  | 43.9 |  | °C/W | DGK (VSSOP) 8 pins | 7 |
| Junction-to-board thermal resistance | RθJB |  | 95 |  | °C/W | DGK (VSSOP) 8 pins | 7 |
| Junction-to-top characterization parameter | ψJT |  | 2 |  | °C/W | DGK (VSSOP) 8 pins | 7 |
| Junction-to-board characterization parameter | ψJB |  | 93.5 |  | °C/W | DGK (VSSOP) 8 pins | 7 |

## CAD (KiCad official)

- Symbol: `OPA2320AIDGKR`
- Footprint: `Package_SO:VSSOP-8_2.3x2mm_P0.5mm`
- 3D model: VSSOP-8 (KiCad packages3D, STEP)
- 3D model files: `opa2320aidgkr-etched.step` / `opa2320aidgkr-etched.glb` carry the MPN laser-etched on the die in a toggleable `Adom.LaserEtch` group (Fusion-ready); `opa2320aidgkr.step` / `opa2320aidgkr.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/opa2320ai.pdf) (54 pp, sha256 `0c0296b93be6905f`, retrieved 2026-10-22, tier: manufacturer)
- **Extractor:** parts-factory `2.0.0` / `extract_pins 0.3`, primary `claude-sonnet-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/opa2320aidgkr-datasheet.pdf)