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OPA2684IDCNT
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Texas Instruments Operational Amplifier, SOT-23-8. Pinout cross-checked by two models against the datasheet, KiCad symbol/footprint/3D.
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opa2684idcnt: specified limits as data (metadata.characteristics, 60 rows from the datasheet)
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OPA2684IDCNT
Texas Instruments · Operational Amplifier · SOT-23-8
OPA2684IDCNT from Texas Instruments, in a SOT-23-8. 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 | Channel A amplifier output; the electrical table gives typical sourcing current of 160 mA and sinking current of -120 mA at VO = 0. |
| 2 | -In A | input | Channel A inverting input; differential input voltage is limited to ±1.2 V and input voltage range to ±VS per the absolute maximum ratings. |
| 3 | +In A | input | Channel A noninverting input; differential input voltage is limited to ±1.2 V and input voltage range to ±VS per the absolute maximum ratings. |
| 4 | -VS | power_in | Negative power supply pin; the device operates from ±2.5 V to ±6.0 V dual supplies or +5 V to +12 V single supply, with absolute maximum power supply of ±6.5 VDC. |
| 5 | +In B | input | Channel B noninverting input; differential input voltage is limited to ±1.2 V and input voltage range to ±VS per the absolute maximum ratings. |
| 6 | -In B | input | Channel B inverting input; differential input voltage is limited to ±1.2 V and input voltage range to ±VS per the absolute maximum ratings. |
| 7 | Out B | output | Channel B amplifier output; the electrical table gives typical sourcing current of 160 mA and sinking current of -120 mA at VO = 0. |
| 8 | +VS | power_in | Positive power supply pin; the device operates from ±2.5 V to ±6.0 V dual supplies or +5 V to +12 V single supply, with absolute maximum power supply of ±6.5 VDC. |
Key specifications
| Parameter | Value |
|---|---|
| Manufacturer | Texas Instruments |
| Package | SOT-23-8 |
| Category | Amplifiers/Comparators |
| 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 |
|---|---|---|---|---|---|---|---|
| Small-Signal Bandwidth | 120 | 170 | MHz | VS = ±5V; VO = 0.5Vp-p; G = +2, RF = 800Ω | 3 | ||
| Bandwidth for 0.1dB Gain Flatness | 16 | 19 | MHz | VS = ±5V; G = +2, VO = 0.5Vp-p, RF = 800Ω | 3 | ||
| Peaking at a Gain of +1 | 1.4 | 4.8 | dB | VS = ±5V; RF = 800Ω, VO = 0.5Vp-p | 3 | ||
| Slew Rate | 675 | 780 | V/µs | VS = ±5V; G = –1, VO = 4V Step | 3 | ||
| Slew Rate | 680 | 750 | V/µs | VS = ±5V; G = +2, VO = 4V Step | 3 | ||
| 2nd-Harmonic Distortion (RL = 100Ω) | -67 | -59 | dBc | VS = ±5V; G = +2, f = 5MHz, VO = 2Vp-p, RL = 100Ω | 3 | ||
| 3rd-Harmonic Distortion (RL = 100Ω) | -70 | -66 | dBc | VS = ±5V; G = +2, f = 5MHz, VO = 2Vp-p, RL = 100Ω | 3 | ||
| Input Voltage Noise | 3.7 | 4.1 | nV/√Hz | VS = ±5V; f > 1MHz | 3 | ||
| Noninverting Input Current Noise | 9.4 | 11 | pA/√Hz | VS = ±5V; f > 1MHz | 3 | ||
| Inverting Input Current Noise | 17 | 18 | pA/√Hz | VS = ±5V; f > 1MHz | 3 | ||
| Open-Loop Transimpedance Gain | ZOL | 160 | 355 | kΩ | VS = ±5V; VO = 0V, RL = 1kΩ | 3 | |
| Input Offset Voltage | -3.8 | 1.5 | 3.8 | mV | VS = ±5V; VCM = 0V | 3 | |
| Average Offset Voltage Drift | -12 | 12 | µV/°C | VS = ±5V; VCM = 0V | 3 | ||
| Noninverting Input Bias Current | -11 | 5 | 11 | µA | VS = ±5V; VCM = 0V | 3 | |
| Average Noninverting Input Bias Current Drift | -25 | 25 | nA/°C | VS = ±5V; VCM = 0V | 3 | ||
| Inverting Input Bias Current | -17 | 5 | 17 | µA | VS = ±5V; VCM = 0V | 3 | |
| Average Inverting Input Bias Current Drift | -35 | 35 | nA°/C | VS = ±5V; VCM = 0V | 3 | ||
| Common-Mode Input Range (CMIR) | -3.65 | 3.75 | 3.65 | V | VS = ±5V | 3 | |
| Common-Mode Rejection Ratio (CMRR) | 53 | 60 | dB | VS = ±5V; VCM = 0V | 3 | ||
| Voltage Output Swing | -3.9 | 4.1 | 3.9 | V | VS = ±5V; 1kΩ Load | 3 | |
| Current Output, Sourcing | 130 | 160 | mA | VS = ±5V; VO = 0 | 3 | ||
| Current Output, Sinking | -100 | -120 | mA | VS = ±5V; VO = 0 | 3 | ||
| Maximum Operating Voltage Range | -6 | 6 | V | VS = ±5V | 3 | ||
| Minimum Operating Voltage Range | -1.4 | 1.4 | V | 3 | |||
| Max Quiescent Current | 1.7 | 1.8 | mA | VS = ±5V/per channel | 3 | ||
| Min Quiescent Current | 1.6 | 1.7 | mA | VS = ±5V/per channel | 3 | ||
| Small-Signal Bandwidth | 86 | 110 | MHz | VS = +5V; VO = 0.5Vp-p; G = +2, RF = 1.0kΩ | 4 | ||
| Small-Signal Bandwidth | 100 | MHz | VS = +5V; G = +5, RF = 1.0kΩ | 4 | |||
| Bandwidth for 0.1dB Gain Flatness | 12 | 21 | MHz | VS = +5V; G = +2, VO < 0.5Vp-p, RF = 1.0kΩ | 4 | ||
| Peaking at a Gain of +1 | 0.5 | 2.6 | dB | VS = +5V; RF = 1.0kΩ, VO < 0.5Vp-p | 4 | ||
| Slew Rate | 300 | 380 | V/µs | VS = +5V; G = 2, VO = 2V Step | 4 | ||
| 2nd-Harmonic Distortion (RL = 100Ω to VS/2) | -65 | -60 | dBc | VS = +5V; G = 2, f = 5MHz, VO = 2Vp-p, RL = 100Ω to VS/2 | 4 | ||
| 3rd-Harmonic Distortion (RL = 100Ω to VS/2) | -65 | -64 | dBc | VS = +5V; G = 2, f = 5MHz, VO = 2Vp-p, RL = 100Ω to VS/2 | 4 | ||
| Input Voltage Noise | 3.7 | 4.1 | nV/√Hz | VS = +5V; f > 1MHz | 4 | ||
| Noninverting Input Current Noise | 9.4 | 11 | pA/√Hz | VS = +5V; f > 1MHz | 4 | ||
| Inverting Input Current Noise | 17 | 18 | pA/√Hz | VS = +5V; f > 1MHz | 4 | ||
| Open-Loop Transimpedance Gain | ZOL | 160 | 355 | kΩ | VS = +5V; VO = VS/2, RL = 1kΩ to VS/2 | 4 | |
| Input Offset Voltage | -3.3 | 1 | 3.3 | mV | VS = +5V; VCM = VS/2 | 4 | |
| Average Offset Voltage Drift | -12 | 12 | µV/°C | VS = +5V; VCM = VS/2 | 4 | ||
| Noninverting Input Bias Current | -11 | 5 | 11 | µA | VS = +5V; VCM = VS/2 | 4 | |
| Average Noninverting Input Bias Current Drift | -25 | 25 | nA/°C | VS = +5V; VCM = VS/2 | 4 | ||
| Inverting Input Bias Current | -13 | 5 | 13 | µA | VS = +5V; VCM = VS/2 | 4 | |
| Average Inverting Input Bias Current Drift | -25 | 25 | nA°/C | VS = +5V; VCM = VS/2 | 4 | ||
| Least Positive Input Voltage | 1.25 | 1.32 | V | VS = +5V | 4 | ||
| Most Positive Input Voltage | 3.68 | 3.75 | V | VS = +5V | 4 | ||
| Common-Mode Rejection Ratio (CMRR) | 52 | 58 | dB | VS = +5V; VCM = VS/2 | 4 | ||
| Most Positive Output Voltage | 3.9 | 4.1 | V | VS = +5V; RL = 1kΩ to VS/2 | 4 | ||
| Least Positive Output Voltage | 0.9 | 1.1 | V | VS = +5V; RL = 1kΩ to VS/2 | 4 | ||
| Current Output, Sourcing | 65 | 80 | mA | VS = +5V; VO = VS/2 | 4 | ||
| Current Output, Sinking | 55 | 70 | mA | VS = +5V; VO = VS/2 | 4 | ||
| Max Single-Supply Operating Voltage Range | 12 | V | VS = +5V | 4 | |||
| Min Single-Supply Operating Voltage Range | 2.8 | V | VS = +5V | 4 | |||
| Max Quiescent Current | 1.45 | 1.55 | mA | VS = +5V/per Channel | 4 | ||
| Min Quiescent Current | 1.3 | 1.45 | mA | VS = +5V/per Channel | 4 | ||
| Power Supply | -6.5 | 6.5 | V | 2 | |||
| Differential Input Voltage | -1.2 | 1.2 | V | 2 | |||
| Storage Temperature Range | -65 | 125 | °C | ID, IDBV | 2 | ||
| Junction Temperature | TJ | 175 | °C | 2 | |||
| Specification Temperature Range | -40 | 85 | °C | ID, IDCN | 3 | ||
| Thermal Resistance, Junction-to-Ambient | θJA | 150 | °C/W | DCN SOT23-8 package | 3 |
CAD (KiCad official)
- Symbol:
OPA2684IDCNT - Footprint:
Package_TO_SOT_SMD:SOT-23-8 - 3D model: SOT-23-8 (KiCad packages3D, STEP)
- 3D model files:
opa2684idcnt-etched.step/opa2684idcnt-etched.glbcarry the MPN laser-etched on the die in a toggleableAdom.LaserEtchgroup (Fusion-ready);opa2684idcnt.step/opa2684idcnt.glbare the bare package body.
Provenance
Data extracted from the manufacturer datasheet, not a distributor listing:
- Datasheet: Texas Instruments datasheet (35 pp, sha256
c475d9fcadbe4674, retrieved 2026-10-08, tier: lcsc) - Extractor: parts-factory
2.0.0/extract_pins 0.3, primaryclaude-haiku-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).
# OPA2684IDCNT
**Texas Instruments** · Operational Amplifier · SOT-23-8
OPA2684IDCNT from Texas Instruments, in a SOT-23-8. 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 | Channel A amplifier output; the electrical table gives typical sourcing current of 160 mA and sinking current of -120 mA at VO = 0. |
| 2 | -In A | input | Channel A inverting input; differential input voltage is limited to ±1.2 V and input voltage range to ±VS per the absolute maximum ratings. |
| 3 | +In A | input | Channel A noninverting input; differential input voltage is limited to ±1.2 V and input voltage range to ±VS per the absolute maximum ratings. |
| 4 | -VS | power_in | Negative power supply pin; the device operates from ±2.5 V to ±6.0 V dual supplies or +5 V to +12 V single supply, with absolute maximum power supply of ±6.5 VDC. |
| 5 | +In B | input | Channel B noninverting input; differential input voltage is limited to ±1.2 V and input voltage range to ±VS per the absolute maximum ratings. |
| 6 | -In B | input | Channel B inverting input; differential input voltage is limited to ±1.2 V and input voltage range to ±VS per the absolute maximum ratings. |
| 7 | Out B | output | Channel B amplifier output; the electrical table gives typical sourcing current of 160 mA and sinking current of -120 mA at VO = 0. |
| 8 | +VS | power_in | Positive power supply pin; the device operates from ±2.5 V to ±6.0 V dual supplies or +5 V to +12 V single supply, with absolute maximum power supply of ±6.5 VDC. |
## Key specifications
| Parameter | Value |
|---|---|
| Manufacturer | Texas Instruments |
| Package | SOT-23-8 |
| Category | Amplifiers/Comparators |
| 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 |
|---|---|---|---|---|---|---|---|
| Small-Signal Bandwidth | | 120 | 170 | | MHz | VS = ±5V; VO = 0.5Vp-p; G = +2, RF = 800Ω | 3 |
| Bandwidth for 0.1dB Gain Flatness | | 16 | 19 | | MHz | VS = ±5V; G = +2, VO = 0.5Vp-p, RF = 800Ω | 3 |
| Peaking at a Gain of +1 | | | 1.4 | 4.8 | dB | VS = ±5V; RF = 800Ω, VO = 0.5Vp-p | 3 |
| Slew Rate | | 675 | 780 | | V/µs | VS = ±5V; G = –1, VO = 4V Step | 3 |
| Slew Rate | | 680 | 750 | | V/µs | VS = ±5V; G = +2, VO = 4V Step | 3 |
| 2nd-Harmonic Distortion (RL = 100Ω) | | | -67 | -59 | dBc | VS = ±5V; G = +2, f = 5MHz, VO = 2Vp-p, RL = 100Ω | 3 |
| 3rd-Harmonic Distortion (RL = 100Ω) | | | -70 | -66 | dBc | VS = ±5V; G = +2, f = 5MHz, VO = 2Vp-p, RL = 100Ω | 3 |
| Input Voltage Noise | | | 3.7 | 4.1 | nV/√Hz | VS = ±5V; f > 1MHz | 3 |
| Noninverting Input Current Noise | | | 9.4 | 11 | pA/√Hz | VS = ±5V; f > 1MHz | 3 |
| Inverting Input Current Noise | | | 17 | 18 | pA/√Hz | VS = ±5V; f > 1MHz | 3 |
| Open-Loop Transimpedance Gain | ZOL | 160 | 355 | | kΩ | VS = ±5V; VO = 0V, RL = 1kΩ | 3 |
| Input Offset Voltage | | -3.8 | 1.5 | 3.8 | mV | VS = ±5V; VCM = 0V | 3 |
| Average Offset Voltage Drift | | -12 | | 12 | µV/°C | VS = ±5V; VCM = 0V | 3 |
| Noninverting Input Bias Current | | -11 | 5 | 11 | µA | VS = ±5V; VCM = 0V | 3 |
| Average Noninverting Input Bias Current Drift | | -25 | | 25 | nA/°C | VS = ±5V; VCM = 0V | 3 |
| Inverting Input Bias Current | | -17 | 5 | 17 | µA | VS = ±5V; VCM = 0V | 3 |
| Average Inverting Input Bias Current Drift | | -35 | | 35 | nA°/C | VS = ±5V; VCM = 0V | 3 |
| Common-Mode Input Range (CMIR) | | -3.65 | 3.75 | 3.65 | V | VS = ±5V | 3 |
| Common-Mode Rejection Ratio (CMRR) | | 53 | 60 | | dB | VS = ±5V; VCM = 0V | 3 |
| Voltage Output Swing | | -3.9 | 4.1 | 3.9 | V | VS = ±5V; 1kΩ Load | 3 |
| Current Output, Sourcing | | 130 | 160 | | mA | VS = ±5V; VO = 0 | 3 |
| Current Output, Sinking | | -100 | -120 | | mA | VS = ±5V; VO = 0 | 3 |
| Maximum Operating Voltage Range | | -6 | | 6 | V | VS = ±5V | 3 |
| Minimum Operating Voltage Range | | -1.4 | | 1.4 | V | | 3 |
| Max Quiescent Current | | | 1.7 | 1.8 | mA | VS = ±5V/per channel | 3 |
| Min Quiescent Current | | 1.6 | 1.7 | | mA | VS = ±5V/per channel | 3 |
| Small-Signal Bandwidth | | 86 | 110 | | MHz | VS = +5V; VO = 0.5Vp-p; G = +2, RF = 1.0kΩ | 4 |
| Small-Signal Bandwidth | | 100 | | | MHz | VS = +5V; G = +5, RF = 1.0kΩ | 4 |
| Bandwidth for 0.1dB Gain Flatness | | 12 | 21 | | MHz | VS = +5V; G = +2, VO < 0.5Vp-p, RF = 1.0kΩ | 4 |
| Peaking at a Gain of +1 | | | 0.5 | 2.6 | dB | VS = +5V; RF = 1.0kΩ, VO < 0.5Vp-p | 4 |
| Slew Rate | | 300 | 380 | | V/µs | VS = +5V; G = 2, VO = 2V Step | 4 |
| 2nd-Harmonic Distortion (RL = 100Ω to VS/2) | | | -65 | -60 | dBc | VS = +5V; G = 2, f = 5MHz, VO = 2Vp-p, RL = 100Ω to VS/2 | 4 |
| 3rd-Harmonic Distortion (RL = 100Ω to VS/2) | | | -65 | -64 | dBc | VS = +5V; G = 2, f = 5MHz, VO = 2Vp-p, RL = 100Ω to VS/2 | 4 |
| Input Voltage Noise | | | 3.7 | 4.1 | nV/√Hz | VS = +5V; f > 1MHz | 4 |
| Noninverting Input Current Noise | | | 9.4 | 11 | pA/√Hz | VS = +5V; f > 1MHz | 4 |
| Inverting Input Current Noise | | | 17 | 18 | pA/√Hz | VS = +5V; f > 1MHz | 4 |
| Open-Loop Transimpedance Gain | ZOL | 160 | 355 | | kΩ | VS = +5V; VO = VS/2, RL = 1kΩ to VS/2 | 4 |
| Input Offset Voltage | | -3.3 | 1 | 3.3 | mV | VS = +5V; VCM = VS/2 | 4 |
| Average Offset Voltage Drift | | -12 | | 12 | µV/°C | VS = +5V; VCM = VS/2 | 4 |
| Noninverting Input Bias Current | | -11 | 5 | 11 | µA | VS = +5V; VCM = VS/2 | 4 |
| Average Noninverting Input Bias Current Drift | | -25 | | 25 | nA/°C | VS = +5V; VCM = VS/2 | 4 |
| Inverting Input Bias Current | | -13 | 5 | 13 | µA | VS = +5V; VCM = VS/2 | 4 |
| Average Inverting Input Bias Current Drift | | -25 | | 25 | nA°/C | VS = +5V; VCM = VS/2 | 4 |
| Least Positive Input Voltage | | | 1.25 | 1.32 | V | VS = +5V | 4 |
| Most Positive Input Voltage | | 3.68 | 3.75 | | V | VS = +5V | 4 |
| Common-Mode Rejection Ratio (CMRR) | | 52 | 58 | | dB | VS = +5V; VCM = VS/2 | 4 |
| Most Positive Output Voltage | | 3.9 | 4.1 | | V | VS = +5V; RL = 1kΩ to VS/2 | 4 |
| Least Positive Output Voltage | | | 0.9 | 1.1 | V | VS = +5V; RL = 1kΩ to VS/2 | 4 |
| Current Output, Sourcing | | 65 | 80 | | mA | VS = +5V; VO = VS/2 | 4 |
| Current Output, Sinking | | 55 | 70 | | mA | VS = +5V; VO = VS/2 | 4 |
| Max Single-Supply Operating Voltage Range | | | | 12 | V | VS = +5V | 4 |
| Min Single-Supply Operating Voltage Range | | 2.8 | | | V | VS = +5V | 4 |
| Max Quiescent Current | | | 1.45 | 1.55 | mA | VS = +5V/per Channel | 4 |
| Min Quiescent Current | | 1.3 | 1.45 | | mA | VS = +5V/per Channel | 4 |
| Power Supply | | -6.5 | | 6.5 | V | | 2 |
| Differential Input Voltage | | -1.2 | | 1.2 | V | | 2 |
| Storage Temperature Range | | -65 | | 125 | °C | ID, IDBV | 2 |
| Junction Temperature | TJ | | | 175 | °C | | 2 |
| Specification Temperature Range | | -40 | | 85 | °C | ID, IDCN | 3 |
| Thermal Resistance, Junction-to-Ambient | θJA | | 150 | | °C/W | DCN SOT23-8 package | 3 |
## CAD (KiCad official)
- Symbol: `OPA2684IDCNT`
- Footprint: `Package_TO_SOT_SMD:SOT-23-8`
- 3D model: SOT-23-8 (KiCad packages3D, STEP)
- 3D model files: `opa2684idcnt-etched.step` / `opa2684idcnt-etched.glb` carry the MPN laser-etched on the die in a toggleable `Adom.LaserEtch` group (Fusion-ready); `opa2684idcnt.step` / `opa2684idcnt.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/cn/lit/gpn/opa2684) (35 pp, sha256 `c475d9fcadbe4674`, retrieved 2026-10-08, 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/opa2684idcnt-datasheet.pdf)