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OPA1678IDGKT
Public Made by Adomby adom
Texas Instruments Precision OpAmps, VSSOP-8. Pinout cross-checked by two models against the datasheet, KiCad symbol/footprint/3D.
3D Model
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Symbol & Footprint
Schematic Symbol
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PCB Footprint
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Datasheet
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README
markdownOPA1678IDGKT
Texas Instruments · Precision OpAmps · VSSOP-8
OPA1678IDGKT 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, channel A. |
| 2 | -IN A | input | Inverting input, channel A. |
| 3 | +IN A | input | Noninverting input, channel A. |
| 4 | V- | power_in | Negative (lowest) power supply; supply range is 4.5 V (±2.25 V) to 36 V (±18 V) total. |
| 5 | +IN B | input | Noninverting input, channel B. |
| 6 | -IN B | input | Inverting input, channel B. |
| 7 | OUT B | output | Output, channel B. |
| 8 | V+ | power_in | Positive (highest) power supply; supply range is 4.5 V (±2.25 V) to 36 V (±18 V) total. |
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 |
|---|---|---|---|---|---|---|---|
| Supply voltage (abs max) | VS | 40 | V | VS = (V+), (V-) | 5 | ||
| Input voltage | -0.5 | 0.5 | V | (V-), 0.5 to (V+) + 0.5 | 5 | ||
| Input current (all pins except power-supply pins) | -10 | 10 | mA | 5 | |||
| Operating temperature (abs max) | TA | -55 | 125 | °C | 5 | ||
| Junction temperature | TJ | 200 | °C | 5 | |||
| Storage temperature | Tstg | -65 | 150 | °C | 5 | ||
| ESD HBM | V(ESD) | -2000 | 2000 | V | ANSI/ESDA/JEDEC JS-001 | 5 | |
| ESD CDM | V(ESD) | -1000 | 1000 | V | JESD22-C101 | 5 | |
| ESD MM | V(ESD) | -200 | 200 | V | Machine model | 5 | |
| Supply voltage | VS | 4.5 | 36 | V | ±2.25 V to ±18 V | 5 | |
| Operating temperature | TA | -40 | 85 | °C | 5 | ||
| Junction-to-ambient thermal resistance | RθJA | 219 | °C/W | DGK (VSSOP) 8 pins | 6 | ||
| Junction-to-case (top) thermal resistance | RθJC(top) | 79 | °C/W | DGK (VSSOP) 8 pins | 6 | ||
| Junction-to-board thermal resistance | RθJB | 104 | °C/W | DGK (VSSOP) 8 pins | 6 | ||
| Junction-to-top characterization parameter | ψJT | 15 | °C/W | DGK (VSSOP) 8 pins | 6 | ||
| Junction-to-board characterization parameter | ψJB | 102 | °C/W | DGK (VSSOP) 8 pins | 6 | ||
| Input offset voltage | VOS | 0.5 | 2 | mV | VS = ±2.25 V to ±18 V | 7 | |
| Power-supply rejection ratio | PSRR | 3 | 8 | µV/V | VS = ±2.25 V to ±18 V | 7 | |
| Common-mode voltage range | VCM | 0.5 | -2 | V | (V-) + 0.5 to (V+), 2 | 7 | |
| Common-mode rejection ratio | CMRR | 100 | 110 | dB | 7 | ||
| Open-loop voltage gain | AOL | 106 | 114 | dB | (V-) + 0.8 V ≤ VO ≤ (V+), 0.8 V, RL = 2 kΩ | 7 | |
| Voltage output swing from rails | VOUT | 0.8 | -0.8 | V | RL = 2 kΩ; (V-) + 0.8 to (V+), 0.8 | 7 | |
| Quiescent current (per channel) | IQ | 2 | 2.5 | mA | IOUT = 0 A | 8 | |
| Quiescent current (per channel), over temperature | IQ | 2.8 | mA | IOUT = 0 A, TA = -40°C to +85°C | 8 | ||
| Specified voltage | VS | -18 | 18 | V | ±2.25 to ±18 | 8 | |
| Specified temperature range | -40 | 85 | °C | 8 | |||
| Operating temperature range | -55 | 125 | °C | 8 | |||
| Total harmonic distortion + noise | THD+N | -120 | dB | G = 1, RL = 600 Ω, f = 1 kHz, VO = 3 VRMS | 7 | ||
| Gain-bandwidth product | GBW | 16 | MHz | G = 1 | 7 | ||
| Slew rate | SR | 9 | V/µs | G = -1 | 7 | ||
| Full power bandwidth | 1.4 | MHz | VO = 1 VP | 7 | |||
| Overload recovery time | 1 | µs | G = -10 | 7 | |||
| Channel separation | -130 | dB | f = 1 kHz | 7 | |||
| Input voltage noise | en | 1.74 | µVPP | f = 0.1 Hz to 10 Hz | 7 | ||
| Input voltage noise density | en | 4.5 | nV/√Hz | f = 1 kHz | 7 | ||
| Input current noise density | In | 3 | fA/√Hz | f = 1 kHz | 7 | ||
| Input offset voltage drift | 2 | µV/°C | VS = ±2.25 V to ±18 V, TA = -40°C to +85°C | 7 | |||
| Input bias current | IB | 10 | pA | VCM = 0 V | 7 | ||
| Input offset current | IOS | 10 | pA | VCM = 0 V | 7 | ||
| Short-circuit current | ISC | -50 | 50 | mA | One channel at a time | 7 | |
| Capacitive load drive | CLOAD | 100 | pF | 7 |
CAD (KiCad official)
- Symbol:
OPA1678IDGKT - Footprint:
Package_SO:VSSOP-8_2.3x2mm_P0.5mm - 3D model: VSSOP-8 (KiCad packages3D, STEP)
- 3D model files:
opa1678idgkt-etched.step/opa1678idgkt-etched.glbcarry the MPN laser-etched on the die in a toggleableAdom.LaserEtchgroup (Fusion-ready);opa1678idgkt.step/opa1678idgkt.glbare the bare package body.
Provenance
Data extracted from the manufacturer datasheet, not a distributor listing:
- Datasheet: Texas Instruments datasheet (41 pp, sha256
19338a4201fc62a8, retrieved 2026-10-23, tier: manufacturer) - 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, primaryclaude-sonnet-5-5(text), consensusclaude-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).