# OPA2323IDR

**TI(德州仪器)** · IC · SOIC-8

OPA2323IDR from TI(德州仪器), in a SOIC-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 | OUT1 | output | Output of channel 1. |
| 2 | IN1- | input | Inverting input of channel 1. |
| 3 | IN1+ | input | Noninverting input of channel 1. |
| 4 | V- | power_in | Negative (low) supply or ground for single-supply operation; connect to the lowest supply rail. |
| 5 | IN2+ | input | Noninverting input of channel 2. |
| 6 | IN2- | input | Inverting input of channel 2. |
| 7 | OUT2 | output | Output of channel 2. |
| 8 | V+ | power_in | Positive (high) supply; operating supply range is 1.7V to 5.5V across (V+) - (V-). |

## Key specifications

| Parameter | Value |
|---|---|
| Manufacturer | TI(德州仪器) |
| Package | SOIC-8 |
| Category |  |
| 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 |
|---|---|---|---|---|---|---|---|
| Supply voltage, (V+), (V-) | VS | 1.7 |  | 5.5 | V |  | 9 |
| Specified temperature | TA | -40 |  | 125 | °C |  | 9 |
| Supply voltage, VS = (V+), (V-) | VS | 0 |  | 7 | V |  | 9 |
| Common-mode voltage |  | -0.5 |  | 6 | V | Signal input pins | 9 |
| Differential voltage |  | -6 |  | 6 | V | Signal input pins | 9 |
| Current |  | -10 |  | 10 | mA | Signal input pins | 9 |
| Operating ambient temperature | TA | -55 |  | 150 | °C |  | 9 |
| Junction temperature | TJ |  |  | 150 | °C |  | 9 |
| Storage temperature | Tstg | -65 |  | 150 | °C |  | 9 |
| Input offset voltage | VOS | -1.25 | 0.15 | 1.25 | mV | VS = 1.8V to 5.5V | 11 |
| Input offset voltage over temperature | VOS | -1.35 |  | 1.35 | mV | VS = 1.8V to 5.5V, TA = -40°C to 125°C | 11 |
| Input offset voltage drift | dVOS/dT | -1.8 | 0.4 | 1.8 | µV/℃ | VS = 1.8V to 5.5V, TA = -40°C to 125°C | 11 |
| Input offset voltage versus power supply | PSRR | -20 | 5 | 20 | µV/V | VS = 1.8V to 5.5V | 11 |
| Input bias current | IB | -20 | 0.5 | 20 | pA | VS = 1.8V and VS = 5V | 11 |
| Input bias current over temperature | IB | -1600 |  | 1600 | pA | VS = 1.8V and VS = 5V, TA = -40°C to 125°C | 11 |
| Input offset current over temperature | IOS | -120 |  | 120 | pA | VS = 1.8V and VS = 5V, TA = -40°C to 125°C | 11 |
| Common-mode rejection ratio | CMRR | 100 | 114 |  | dB | VS = 5.5V, (V-), 0.2V ≤ VCM ≤ (V+) + 0.10V | 11 |
| Common-mode rejection ratio | CMRR | 90 | 104 |  | dB | VS = 5.5V, (V-), 0.2V ≤ VCM ≤ (V+) + 0.15V | 11 |
| Common-mode rejection ratio over temperature | CMRR | 84 |  |  | dB | VS = 5.5V, (V-), 0.2V ≤ VCM ≤ (V+) + 0.15V, TA = -40°C to 125°C | 11 |
| Common-mode rejection ratio | CMRR | 85 | 103 |  | dB | VS = 1.8V, (V-), 0.1V ≤ VCM ≤ (V+) + 0.05V | 11 |
| Common-mode rejection ratio over temperature | CMRR | 80 |  |  | dB | VS = 1.8V, (V-), 0.1V ≤ VCM ≤ (V+) + 0.05V, TA = -40°C to 125°C | 11 |
| Open-loop voltage gain | AOL | 103 | 120 |  | dB | VS = 1.8V, (V-) + 0.1V < VO < (V+), 0.1V, RL = 10kΩ to VS / 2 | 11 |
| Open-loop voltage gain | AOL | 100 | 115 |  | dB | VS = 1.8V, (V-) + 0.2V < VO < (V+), 0.2V, RL = 2kΩ to VS / 2 | 11 |
| Open-loop voltage gain | AOL | 112 | 125 |  | dB | VS = 5.5V, (V-) + 0.1V < VO < (V+), 0.1V, RL = 10kΩ to VS / 2 | 11 |
| Open-loop voltage gain | AOL | 108 | 120 |  | dB | VS = 5.5V, (V-) + 0.2V < VO < (V+), 0.2V, RL = 2kΩ to VS / 2 | 11 |
| Voltage output swing from rail | Vo |  | 15 | 25 | mV | VS = 1.8V, RL = 10kΩ to VS / 2 | 12 |
| Voltage output swing from rail | Vo |  | 25 | 35 | mV | VS = 5.5V, RL = 10kΩ to VS / 2 | 12 |
| Voltage output swing from rail | Vo |  | 45 | 55 | mV | VS = 5.5V, RL = 2kΩ to VS / 2 | 12 |
| Short-circuit current | ISC | -20 | 40 |  | mA | VS = 1.8V | 12 |
| Short-circuit current | ISC | -80 | 110 |  | mA | VS = 5.5V | 12 |
| Quiescent current per amplifier | IQ |  | 1.6 | 1.9 | mA | VS = 5.5V, IO = 0A | 12 |
| Quiescent current per amplifier over temperature | IQ |  |  | 2 | mA | TA = -40°C to 125°C | 12 |
| Junction-to-ambient thermal resistance (SOIC, D) | RθJA |  | 139 |  | °C/W |  | 10 |
| Junction-to-case (top) thermal resistance (SOIC, D) | RθJC(top) |  | 81.2 |  | °C/W |  | 10 |
| Junction-to-board thermal resistance (SOIC, D) | RθJB |  | 82.4 |  | °C/W |  | 10 |
| Junction-to-top characterization parameter (SOIC, D) | ψJT |  | 31.3 |  | °C/W |  | 10 |
| Junction-to-board characterization parameter (SOIC, D) | ψJB |  | 81.6 |  | °C/W |  | 10 |

## CAD (KiCad official)

- Symbol: `OPA2323IDR`
- Footprint: `Package_SO:SOIC-8_3.9x4.9mm_P1.27mm`
- 3D model: SOIC-8 (KiCad packages3D, STEP)
- 3D model files: `opa2323idr-etched.step` / `opa2323idr-etched.glb` carry the MPN laser-etched on the die in a toggleable `Adom.LaserEtch` group (Fusion-ready); `opa2323idr.step` / `opa2323idr.glb` are the bare package body.

## Provenance

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

- **Datasheet:** [TI(德州仪器) datasheet](https://www.ti.com.cn/cn/lit/ds/symlink/opa2323.pdf?ts=1736920557616&ref_url=https%253A%252F%252Fwww.ti.com.cn%252Fsitesearch%252Fzh-cn%252Fdocs%252Funiversalsearch.tsp%253FlangPref%253Dzh-CN%2526nr%253D10%2526searchTerm%253DOPA2323IDR) (67 pp, sha256 `d8192973eb3a9d91`, retrieved 2026-10-17, tier: lcsc)
- **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/opa2323idr-datasheet.pdf)