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OPA388ID
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Texas Instruments Precision Op Amps, SOIC-8. Pinout cross-checked by two models against the datasheet, KiCad symbol/footprint/3D.
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opa388id: specified limits as data (metadata.characteristics, 45 rows from the datasheet)
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OPA388ID
Texas Instruments · Precision Op Amps · SOIC-8
OPA388ID from Texas Instruments, 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 | NC | unconnected | No internal connection; the pin can be left floating. |
| 2 | -IN | input | Inverting input of the amplifier. |
| 3 | +IN | input | Noninverting input of the amplifier. |
| 4 | V- | power_in | Negative (lowest) power supply; the single-supply operating range is 2.5 V to 5.5 V between V+ and V-. |
| 5 | NC | unconnected | No internal connection; the pin can be left floating. |
| 6 | OUT | output | Amplifier output; rail-to-rail output stage per the datasheet. |
| 7 | V+ | power_in | Positive (highest) power supply; the single-supply operating range is 2.5 V to 5.5 V between V+ and V-. |
| 8 | NC | unconnected | No internal connection; the pin can be left floating. |
Key specifications
| Parameter | Value |
|---|---|
| Manufacturer | Texas Instruments |
| Package | SOIC-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 |
|---|---|---|---|---|---|---|---|
| Supply voltage, single-supply (VS = (V+) – (V–)) | VS | 6 | V | Single-supply | 6 | ||
| Supply voltage, dual-supply (VS = (V+) – (V–)) | VS | 3 | V | Dual-supply | 6 | ||
| Signal input pins current | 10 | mA | Signal input pins | 6 | |||
| Operating free-air temperature, TA | TA | -55 | 150 | °C | 6 | ||
| Junction temperature, TJ | TJ | 150 | °C | 6 | |||
| Storage temperature, Tstg | Tstg | -65 | 150 | °C | 6 | ||
| Supply voltage, single-supply | VS | 2.5 | 5.5 | V | Single-supply | 6 | |
| Supply voltage, dual-supply | VS | 1.25 | 2.75 | V | Dual-supply | 6 | |
| Specified temperature | -40 | 125 | °C | 6 | |||
| Input offset voltage | VOS | -5 | 0.25 | 5 | µV | OPA388, OPA2388 | 7 |
| Input offset voltage over temperature | VOS | -7.5 | 7.5 | µV | TA = –40°C to +125°C; OPA388, OPA2388 | 7 | |
| Input offset voltage drift | dVOS/dT | -0.05 | 0.005 | 0.05 | µV/°C | TA = –40°C to +125°C; OPA388, OPA2388 | 7 |
| Power-supply rejection ratio | PSRR | -1 | 0.1 | 1 | µV/V | TA = –40°C to +125°C; OPA388, OPA2388 | 7 |
| Input bias current | IB | -350 | 30 | 350 | pA | RIN = 100 kΩ; OPA388, OPA2388 | 8 |
| Input bias current, TA = 0°C to +85°C | IB | -400 | 400 | pA | RIN = 100 kΩ, TA = 0°C to +85°C; OPA388, OPA2388 | 8 | |
| Input bias current, TA = –40°C to +125°C | IB | -700 | 700 | pA | RIN = 100 kΩ, TA = –40°C to +125°C; OPA388, OPA2388 | 8 | |
| Input offset current | IOS | -700 | 700 | pA | RIN = 100 kΩ; OPA388, OPA2388 | 8 | |
| Input offset current, TA = 0°C to +85°C | IOS | -800 | 800 | pA | RIN = 100 kΩ, TA = 0°C to +85°C; OPA388, OPA2388 | 8 | |
| Input offset current, TA = –40°C to +125°C | IOS | -800 | 800 | pA | RIN = 100 kΩ, TA = –40°C to +125°C; OPA388, OPA2388 | 8 | |
| Common-mode rejection ratio, VS = ±1.25 V | CMRR | 124 | 138 | dB | (V–) – 0.1 V < VCM < (V+) + 0.1 V; VS = ±1.25 V; OPA388, OPA2388 | 8 | |
| Common-mode rejection ratio, VS = ±2.75 V | CMRR | 124 | 140 | dB | (V–) – 0.1 V < VCM < (V+) + 0.1 V; VS = ±2.75 V | 8 | |
| Common-mode rejection ratio, VS = ±1.25 V, over temperature | CMRR | 114 | 134 | dB | (V–) < VCM < (V+) + 0.1 V; TA = –40°C to +125°C; VS = ±1.25 V; OPA388, OPA2388 | 8 | |
| Common-mode rejection ratio, VS = ±2.75 V, over temperature | CMRR | 124 | 140 | dB | (V–) – 0.05 V < VCM < (V+) + 0.1 V; TA = –40°C to +125°C; VS = ±2.75 V | 8 | |
| Open-loop voltage gain, RLOAD = 10 kΩ | AOL | 126 | 148 | dB | (V–) + 0.15 V < VO < (V+) – 0.15 V; RLOAD = 10 kΩ | 9 | |
| Open-loop voltage gain, RLOAD = 10 kΩ, over temperature | AOL | 120 | 126 | dB | (V–) + 0.15 V < VO < (V+) – 0.15 V; RLOAD = 10 kΩ; TA = –40°C to +125°C; OPA388, OPA2388 | 9 | |
| Open-loop voltage gain, RLOAD = 2 kΩ, 0.25 V margin | AOL | 126 | 148 | dB | (V–) + 0.25 V < VO < (V+) – 0.25 V; RLOAD = 2 kΩ | 9 | |
| Open-loop voltage gain, RLOAD = 2 kΩ, 0.30 V margin | AOL | 120 | 148 | dB | (V–) + 0.30 V < VO < (V+) – 0.30 V; RLOAD = 2 kΩ; OPA388, OPA2388 | 9 | |
| Voltage output swing from positive rail, no load | VO | 1 | 15 | mV | No load | 9 | |
| Voltage output swing from positive rail, RLOAD = 10 kΩ | VO | 5 | 20 | mV | RLOAD = 10 kΩ | 9 | |
| Voltage output swing from positive rail, RLOAD = 2 kΩ | VO | 20 | 50 | mV | RLOAD = 2 kΩ | 9 | |
| Voltage output swing from negative rail, no load | VO | 5 | 15 | mV | No load | 9 | |
| Voltage output swing from negative rail, RLOAD = 10 kΩ | VO | 10 | 20 | mV | RLOAD = 10 kΩ | 9 | |
| Voltage output swing from negative rail, RLOAD = 2 kΩ | VO | 40 | 60 | mV | RLOAD = 2 kΩ | 9 | |
| Voltage output swing from rail, both rails, over temperature | VO | 10 | 25 | mV | TA = –40°C to +125°C, both rails, RLOAD = 10 kΩ | 9 | |
| Short-circuit current, VS = 5.5 V | ISC | -60 | 60 | mA | VS = 5.5 V | 9 | |
| Short-circuit current, VS = 2.5 V | ISC | -30 | 30 | mA | VS = 2.5 V | 9 | |
| Quiescent current per amplifier, VS = 2.5 V | IQ | 1.7 | 2.4 | mA | VS = ±1.25 V (VS = 2.5 V); IO = 0 A | 9 | |
| Quiescent current per amplifier, VS = 2.5 V, over temperature | IQ | 1.7 | 2.4 | mA | VS = ±1.25 V (VS = 2.5 V); TA = –40°C to +125°C, IO = 0 A | 9 | |
| Quiescent current per amplifier, VS = 5.5 V | IQ | 1.9 | 2.6 | mA | VS = ±2.75 V (VS = 5.5 V); IO = 0 A | 9 | |
| Quiescent current per amplifier, VS = 5.5 V, over temperature | IQ | 1.9 | 2.6 | mA | VS = ±2.75 V (VS = 5.5 V); TA = –40°C to +125°C, IO = 0 A | 9 | |
| Junction-to-ambient thermal resistance | RθJA | 116 | °C/W | D (SOIC), 8 pins | 6 | ||
| Junction-to-case (top) thermal resistance | RθJC(top) | 60 | °C/W | D (SOIC), 8 pins | 6 | ||
| Junction-to-board thermal resistance | RθJB | 56 | °C/W | D (SOIC), 8 pins | 6 | ||
| Junction-to-top characterization parameter | ΨJT | 12.8 | °C/W | D (SOIC), 8 pins | 6 | ||
| Junction-to-board characterization parameter | ΨJB | 55.9 | °C/W | D (SOIC), 8 pins | 6 |
CAD (KiCad official)
- Symbol:
OPA388ID - Footprint:
Package_SO:SOIC-8_3.9x4.9mm_P1.27mm - 3D model: SOIC-8 (KiCad packages3D, STEP)
- 3D model files:
opa388id-etched.step/opa388id-etched.glbcarry the MPN laser-etched on the die in a toggleableAdom.LaserEtchgroup (Fusion-ready);opa388id.step/opa388id.glbare the bare package body.
Provenance
Data extracted from the manufacturer datasheet, not a distributor listing:
- Datasheet: Texas Instruments datasheet (50 pp, sha256
bfaa584834295abb, retrieved 2026-10-12, tier: manufacturer) - 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).
# OPA388ID
**Texas Instruments** · Precision Op Amps · SOIC-8
OPA388ID from Texas Instruments, 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 | NC | unconnected | No internal connection; the pin can be left floating. |
| 2 | -IN | input | Inverting input of the amplifier. |
| 3 | +IN | input | Noninverting input of the amplifier. |
| 4 | V- | power_in | Negative (lowest) power supply; the single-supply operating range is 2.5 V to 5.5 V between V+ and V-. |
| 5 | NC | unconnected | No internal connection; the pin can be left floating. |
| 6 | OUT | output | Amplifier output; rail-to-rail output stage per the datasheet. |
| 7 | V+ | power_in | Positive (highest) power supply; the single-supply operating range is 2.5 V to 5.5 V between V+ and V-. |
| 8 | NC | unconnected | No internal connection; the pin can be left floating. |
## Key specifications
| Parameter | Value |
|---|---|
| Manufacturer | Texas Instruments |
| Package | SOIC-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 |
|---|---|---|---|---|---|---|---|
| Supply voltage, single-supply (VS = (V+) – (V–)) | VS | | | 6 | V | Single-supply | 6 |
| Supply voltage, dual-supply (VS = (V+) – (V–)) | VS | | | 3 | V | Dual-supply | 6 |
| Signal input pins current | | | | 10 | mA | Signal input pins | 6 |
| Operating free-air temperature, TA | TA | -55 | | 150 | °C | | 6 |
| Junction temperature, TJ | TJ | | | 150 | °C | | 6 |
| Storage temperature, Tstg | Tstg | -65 | | 150 | °C | | 6 |
| Supply voltage, single-supply | VS | 2.5 | | 5.5 | V | Single-supply | 6 |
| Supply voltage, dual-supply | VS | 1.25 | | 2.75 | V | Dual-supply | 6 |
| Specified temperature | | -40 | | 125 | °C | | 6 |
| Input offset voltage | VOS | -5 | 0.25 | 5 | µV | OPA388, OPA2388 | 7 |
| Input offset voltage over temperature | VOS | -7.5 | | 7.5 | µV | TA = –40°C to +125°C; OPA388, OPA2388 | 7 |
| Input offset voltage drift | dVOS/dT | -0.05 | 0.005 | 0.05 | µV/°C | TA = –40°C to +125°C; OPA388, OPA2388 | 7 |
| Power-supply rejection ratio | PSRR | -1 | 0.1 | 1 | µV/V | TA = –40°C to +125°C; OPA388, OPA2388 | 7 |
| Input bias current | IB | -350 | 30 | 350 | pA | RIN = 100 kΩ; OPA388, OPA2388 | 8 |
| Input bias current, TA = 0°C to +85°C | IB | -400 | | 400 | pA | RIN = 100 kΩ, TA = 0°C to +85°C; OPA388, OPA2388 | 8 |
| Input bias current, TA = –40°C to +125°C | IB | -700 | | 700 | pA | RIN = 100 kΩ, TA = –40°C to +125°C; OPA388, OPA2388 | 8 |
| Input offset current | IOS | -700 | | 700 | pA | RIN = 100 kΩ; OPA388, OPA2388 | 8 |
| Input offset current, TA = 0°C to +85°C | IOS | -800 | | 800 | pA | RIN = 100 kΩ, TA = 0°C to +85°C; OPA388, OPA2388 | 8 |
| Input offset current, TA = –40°C to +125°C | IOS | -800 | | 800 | pA | RIN = 100 kΩ, TA = –40°C to +125°C; OPA388, OPA2388 | 8 |
| Common-mode rejection ratio, VS = ±1.25 V | CMRR | 124 | 138 | | dB | (V–) – 0.1 V < VCM < (V+) + 0.1 V; VS = ±1.25 V; OPA388, OPA2388 | 8 |
| Common-mode rejection ratio, VS = ±2.75 V | CMRR | 124 | 140 | | dB | (V–) – 0.1 V < VCM < (V+) + 0.1 V; VS = ±2.75 V | 8 |
| Common-mode rejection ratio, VS = ±1.25 V, over temperature | CMRR | 114 | 134 | | dB | (V–) < VCM < (V+) + 0.1 V; TA = –40°C to +125°C; VS = ±1.25 V; OPA388, OPA2388 | 8 |
| Common-mode rejection ratio, VS = ±2.75 V, over temperature | CMRR | 124 | 140 | | dB | (V–) – 0.05 V < VCM < (V+) + 0.1 V; TA = –40°C to +125°C; VS = ±2.75 V | 8 |
| Open-loop voltage gain, RLOAD = 10 kΩ | AOL | 126 | 148 | | dB | (V–) + 0.15 V < VO < (V+) – 0.15 V; RLOAD = 10 kΩ | 9 |
| Open-loop voltage gain, RLOAD = 10 kΩ, over temperature | AOL | 120 | 126 | | dB | (V–) + 0.15 V < VO < (V+) – 0.15 V; RLOAD = 10 kΩ; TA = –40°C to +125°C; OPA388, OPA2388 | 9 |
| Open-loop voltage gain, RLOAD = 2 kΩ, 0.25 V margin | AOL | 126 | 148 | | dB | (V–) + 0.25 V < VO < (V+) – 0.25 V; RLOAD = 2 kΩ | 9 |
| Open-loop voltage gain, RLOAD = 2 kΩ, 0.30 V margin | AOL | 120 | 148 | | dB | (V–) + 0.30 V < VO < (V+) – 0.30 V; RLOAD = 2 kΩ; OPA388, OPA2388 | 9 |
| Voltage output swing from positive rail, no load | VO | | 1 | 15 | mV | No load | 9 |
| Voltage output swing from positive rail, RLOAD = 10 kΩ | VO | | 5 | 20 | mV | RLOAD = 10 kΩ | 9 |
| Voltage output swing from positive rail, RLOAD = 2 kΩ | VO | | 20 | 50 | mV | RLOAD = 2 kΩ | 9 |
| Voltage output swing from negative rail, no load | VO | | 5 | 15 | mV | No load | 9 |
| Voltage output swing from negative rail, RLOAD = 10 kΩ | VO | | 10 | 20 | mV | RLOAD = 10 kΩ | 9 |
| Voltage output swing from negative rail, RLOAD = 2 kΩ | VO | | 40 | 60 | mV | RLOAD = 2 kΩ | 9 |
| Voltage output swing from rail, both rails, over temperature | VO | | 10 | 25 | mV | TA = –40°C to +125°C, both rails, RLOAD = 10 kΩ | 9 |
| Short-circuit current, VS = 5.5 V | ISC | -60 | | 60 | mA | VS = 5.5 V | 9 |
| Short-circuit current, VS = 2.5 V | ISC | -30 | | 30 | mA | VS = 2.5 V | 9 |
| Quiescent current per amplifier, VS = 2.5 V | IQ | | 1.7 | 2.4 | mA | VS = ±1.25 V (VS = 2.5 V); IO = 0 A | 9 |
| Quiescent current per amplifier, VS = 2.5 V, over temperature | IQ | | 1.7 | 2.4 | mA | VS = ±1.25 V (VS = 2.5 V); TA = –40°C to +125°C, IO = 0 A | 9 |
| Quiescent current per amplifier, VS = 5.5 V | IQ | | 1.9 | 2.6 | mA | VS = ±2.75 V (VS = 5.5 V); IO = 0 A | 9 |
| Quiescent current per amplifier, VS = 5.5 V, over temperature | IQ | | 1.9 | 2.6 | mA | VS = ±2.75 V (VS = 5.5 V); TA = –40°C to +125°C, IO = 0 A | 9 |
| Junction-to-ambient thermal resistance | RθJA | | 116 | | °C/W | D (SOIC), 8 pins | 6 |
| Junction-to-case (top) thermal resistance | RθJC(top) | | 60 | | °C/W | D (SOIC), 8 pins | 6 |
| Junction-to-board thermal resistance | RθJB | | 56 | | °C/W | D (SOIC), 8 pins | 6 |
| Junction-to-top characterization parameter | ΨJT | | 12.8 | | °C/W | D (SOIC), 8 pins | 6 |
| Junction-to-board characterization parameter | ΨJB | | 55.9 | | °C/W | D (SOIC), 8 pins | 6 |
## CAD (KiCad official)
- Symbol: `OPA388ID`
- Footprint: `Package_SO:SOIC-8_3.9x4.9mm_P1.27mm`
- 3D model: SOIC-8 (KiCad packages3D, STEP)
- 3D model files: `opa388id-etched.step` / `opa388id-etched.glb` carry the MPN laser-etched on the die in a toggleable `Adom.LaserEtch` group (Fusion-ready); `opa388id.step` / `opa388id.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/opa388.pdf) (50 pp, sha256 `bfaa584834295abb`, retrieved 2026-10-12, 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/opa388id-datasheet.pdf)