# OPA2356AIDGKR

**Texas Instruments** · Operational Amplifier · VSSOP-8

OPA2356AIDGKR 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 amplifier A, which swings within 100mV of the rails with a 2.5V to 5.5V supply. |
| 2 | -In A | input | Inverting input of amplifier A; the common-mode input range extends from (V-) - 0.1V to (V+) - 1.5V. |
| 3 | +IN A | input | Non-inverting input of amplifier A; the common-mode input range extends from (V-) - 0.1V to (V+) - 1.5V. |
| 4 | V- | power_in | Negative supply rail, which is ground in single-supply operation; the supply range is 2.5V to 5.5V and voltages above 7.5V absolute maximum can permanently damage the amplifier. |
| 5 | +IN B | input | Non-inverting input of amplifier B; the common-mode input range extends from (V-) - 0.1V to (V+) - 1.5V. |
| 6 | -In B | input | Inverting input of amplifier B; the common-mode input range extends from (V-) - 0.1V to (V+) - 1.5V. |
| 7 | OUT B | output | Output of amplifier B, which swings within 100mV of the rails with a 2.5V to 5.5V supply. |
| 8 | V+ | power_in | Positive supply rail; the specified single-supply range is 2.7V to 5.5V (operating range 2.5V to 5.5V), and a 10µF ceramic bypass capacitor at this pin is the recommended minimum. |

## Key specifications

| Parameter | Value |
|---|---|
| Manufacturer | Texas Instruments |
| Package | VSSOP-8 |
| Category | Operational Amplifier/Comparator |
| 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 | -9 | 2 | 9 | mV | VS = +5V | 3 |
| Input Offset Voltage over Specified Temperature Range | VOS | -15 |  | 15 | mV | Specified Temperature Range | 3 |
| Input Offset Voltage Drift | dVOS/dT | -7 |  | 7 | µV/°C | Specified Temperature Range | 3 |
| Power Supply Rejection Ratio | PSRR | -350 | 80 | 350 | µV/V | VS = +2.7V to +5.5V, VCM = VS/2, 0.15V | 3 |
| Input Bias Current | IB | -50 | 3 | 50 | pA |  | 3 |
| Input Offset Current | IOS | -50 | 1 | 50 | pA |  | 3 |
| Common-Mode Rejection Ratio | CMRR | 66 | 80 |  | dB | VS = +5.5V, -0.1V < VCM < +4.0V | 3 |
| Common-Mode Rejection Ratio over Specified Temperature Range | CMRR | 66 |  |  | dB | Specified Temperature Range | 3 |
| Open-Loop Voltage Gain | AOL | 84 | 92 |  | dB | VS = +5V, 0.3V < VO < 4.7V | 3 |
| Open-Loop Voltage Gain (OPA2356) | AOL | 80 |  |  | dB | OPA2356, VS = +5V, 0.4V < VO < 4.6V | 3 |
| Voltage Output Swing from Rail | VO |  | 0.2 | 0.3 | V | VS = +5V, RL = 150Ω, AOL > 84dB | 3 |
| Voltage Output Swing from Rail | VO |  | 0.8 | 1 | V | IO = ±100mA | 3 |
| Output Current, Continuous | IO | -60 |  | 60 | mA |  | 3 |
| Maximum Output Current, Peak | IO | -100 |  | 100 | mA | VS = +5V | 3 |
| Maximum Output Current, Peak | IO | -80 |  | 80 | mA | VS = +3V | 3 |
| Short Circuit Current | ISC | -200 |  | 250 | mA |  | 3 |
| Specified Voltage Range | VS | 2.7 |  | 5.5 | V |  | 3 |
| Operating Voltage Range | VS | 2.5 |  | 5.5 | V |  | 3 |
| Quiescent Current (per amplifier) | IQ |  | 8.3 | 11 | mA | VS = +5V, IO = 0 | 3 |
| Quiescent Current over Specified Temperature Range (per amplifier) | IQ |  |  | 14 | mA | Specified Temperature Range | 3 |
| Specified Temperature Range | TA | -40 |  | 125 | °C |  | 4 |
| Operating Temperature Range | TA | -55 |  | 150 | °C |  | 4 |
| Storage Temperature Range | TSTG | -65 |  | 150 | °C |  | 4 |
| Thermal Resistance, Junction-to-Ambient | θJA |  | 150 |  | °C/W | Package: MSOP-8 | 4 |
| Supply Voltage, V+ to V- | VS |  |  | 7.5 | V |  | 2 |
| Signal Input Terminals, Current | II |  |  | 10 | mA | Signal input terminals | 2 |
| Operating Temperature (absolute maximum) | TA | -55 |  | 150 | °C |  | 2 |
| Storage Temperature (absolute maximum) | TSTG | -65 |  | 150 | °C |  | 2 |
| Junction Temperature (absolute maximum) | TJ |  |  | 160 | °C |  | 2 |
| Lead Temperature (soldering) | TLEAD |  |  | 300 | °C | soldering, 10s | 2 |

## Materials and finish

As the datasheet states them (page.json `metadata.appearance`; the 3D model's colours follow it).

| Part | Material | Colour / plating | Datasheet says | Page |
|---|---|---|---|---|
| contacts | copper |  | located at the V+ pin will assure clean, stable operation. Large areas of copper also provide a means of dissipating | 10 |

## CAD (KiCad official)

- Symbol: `OPA2356AIDGKR`
- Footprint: `Package_SO:VSSOP-8_3x3mm_P0.65mm`
- 3D model: VSSOP-8 (KiCad packages3D, STEP)
- 3D model files: `opa2356aidgkr-etched.step` / `opa2356aidgkr-etched.glb` carry the MPN laser-etched on the die in a toggleable `Adom.LaserEtch` group (Fusion-ready); `opa2356aidgkr.step` / `opa2356aidgkr.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/opa2356.pdf) (20 pp, sha256 `6d474fd4f44aabc1`, retrieved 2026-11-05, 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/opa2356aidgkr-datasheet.pdf)