Specifications
| Type | Description |
|---|---|
| Part Number | OPA2227 |
| Manufacturer | Texas Instruments |
| Product Type | Operational Amplifier |
| Category | Signal Chain |
| Package / Case | D (8-pin SOIC) or P (8-pin PDIP) |
| Device Channels | 2 channels; OPA2227 dual device |
| Amplifier Stability | Unity-gain stable; OPAx227 family |
| Input Voltage Noise Density | 3 nV/√Hz; feature summary |
| Bandwidth | 8 MHz; OPA227 / OPAx227 family |
| Slew Rate | 2.3 V/µs; OPA227 / OPAx227 family |
| Settling Time | 5 µs; feature summary |
| Common-Mode Rejection Ratio | 138 dB; feature summary |
| Open-Loop Gain | 160 dB; feature summary |
| Input Bias Current | 10 nA maximum; feature summary |
| Input Offset Voltage | 75 µV maximum; feature summary |
| Operating Supply Range | ±2.5 V to ±18 V; feature summary |
| Single Supply Voltage | 4.5 V min, 30 V nom, 36 V max; recommended operating conditions over operating free-air temperature range |
| Dual Supply Voltage | ±2.25 V min, ±15 V nom, ±18 V max; recommended operating conditions over operating free-air temperature range |
| Specified Temperature Range | -40°C to 85°C; recommended operating conditions |
| Absolute Maximum Single Supply Voltage | 36 V maximum; VS = (V+) - (V-) |
| Absolute Maximum Dual Supply Voltage | ±18 V maximum; VS = (V+) - (V-) |
| Signal Input Pin Voltage Range | (V-) - 0.7 V to (V+) + 0.7 V; absolute maximum ratings |
| Signal Input Pin Current | 20 mA maximum; absolute maximum ratings |
| Output Short Circuit | Continuous; short-circuit to ground, one amplifier per package |
| Absolute Maximum Operating Temperature | -55°C to 125°C; absolute maximum ratings |
| Junction Temperature | 150°C maximum; absolute maximum ratings |
| Storage Temperature | -65°C to 150°C; absolute maximum ratings |
| ESD Rating HBM | 1000 V; human-body model, per ANSI/ESDA/JEDEC JS-001 |
| ESD Rating CDM | 250 V; charged-device model, per JEDEC JESD22-C101 |
| Junction-to-Ambient Thermal Resistance, P Package | 110.1°C/W; OPA2227P / OPA2227PA, 8-pin PDIP |
| Junction-to-Ambient Thermal Resistance, D Package | 101.9°C/W; OPA2227U / OPA2227UA, 8-pin SOIC |
| Junction-to-Case Top Thermal Resistance, P Package | 52.2°C/W; OPA2227P / OPA2227PA, 8-pin PDIP |
| Junction-to-Case Top Thermal Resistance, D Package | 46.3°C/W; OPA2227U / OPA2227UA, 8-pin SOIC |
| Junction-to-Board Thermal Resistance, P Package | 52.3°C/W; OPA2227P / OPA2227PA, 8-pin PDIP |
| Junction-to-Board Thermal Resistance, D Package | 45.5°C/W; OPA2227U / OPA2227UA, 8-pin SOIC |
| Junction-to-Top Characterization Parameter, P Package | 10.4°C/W; OPA2227P / OPA2227PA, 8-pin PDIP |
| Junction-to-Top Characterization Parameter, D Package | 6.6°C/W; OPA2227U / OPA2227UA, 8-pin SOIC |
| Junction-to-Board Characterization Parameter, P Package | 51.5°C/W; OPA2227P / OPA2227PA, 8-pin PDIP |
| Junction-to-Board Characterization Parameter, D Package | 42.8°C/W; OPA2227U / OPA2227UA, 8-pin SOIC |
| Pin 1 Function | Out A; OPA2227 8-pin SOIC or PDIP package |
| Pin 4 Function | V- negative power supply; OPA2227 8-pin SOIC or PDIP package |
| Pin 8 Function | V+ positive power supply; OPA2227 8-pin SOIC or PDIP package |
| Datasheet Status | request_only |
Product Overview
The OPA2227 is a Texas Instruments dual precision operational amplifier in the Signal_Chain category. As the OPA2227 dual device, it integrates 2 channels and is specified as unity-gain stable within the OPAx227 family. Its signal-chain parameters include 3 nV/√Hz input voltage noise density, 8 MHz bandwidth, 2.3 V/µs slew rate, 5 µs settling time, 138 dB common-mode rejection ratio, and 160 dB open-loop gain.
The device is available in D 8-pin SOIC or P 8-pin PDIP package options. Pin functions identified for these packages include Out A on pin 1, V- negative power supply on pin 4, and V+ positive power supply on pin 8. Recommended operation covers -40°C to 85°C, with single-supply operation from 4.5 V to 36 V and dual-supply operation from ±2.25 V to ±18 V.
Design limits include 36 V maximum absolute single supply, ±18 V maximum absolute dual supply, signal input pin voltage from (V-) - 0.7 V to (V+) + 0.7 V, and 20 mA maximum signal input pin current. The package supports continuous output short circuit to ground for one amplifier per package.
Key Features
- Dual precision operational amplifier with 2 channels
- Unity-gain stable OPAx227-family amplifier architecture
- 3 nV/√Hz input voltage noise density
- 8 MHz bandwidth for precision signal-chain circuits
- 2.3 V/µs slew rate and 5 µs settling time
- 138 dB common-mode rejection ratio
- 160 dB open-loop gain specification
- 75 µV maximum input offset voltage
- 10 nA maximum input bias current
- D 8-pin SOIC or P 8-pin PDIP package
Typical Applications
- Precision signal conditioning
- Dual-channel analog amplification
- Low-noise signal-chain stages
- Unity-gain buffer circuits
- Instrumentation front-end amplification
- Wide dual-supply op amp designs
- SOIC or PDIP analog assemblies
Procurement Notes
When requesting a quote for OPA2227, buyers should confirm the manufacturer, package or case, required quantity, target date code, compliance documents, packing method, destination country and expected delivery schedule.
If alternatives are acceptable, buyers should share the approved vendor list, required electrical or optical limits, package constraints and qualification requirements. Any alternative part should be reviewed by the buyer's engineering team before production use.
For analog and signal-chain sourcing, supply voltage, bandwidth, accuracy, noise level, package, temperature grade, input/output configuration and qualification requirements should be verified before approval.
FAQ
How many amplifier channels does the OPA2227 include?
The OPA2227 is the dual device in the OPAx227 family and includes 2 channels. It is described as a dual precision operational amplifier from Texas Instruments.
What supply ranges are specified for the OPA2227?
The feature summary lists an operating supply range of ±2.5 V to ±18 V. Recommended operating conditions specify 4.5 V to 36 V for single supply and ±2.25 V to ±18 V for dual supply.
What package options are listed for OPA2227?
The listed package options are D 8-pin SOIC and P 8-pin PDIP. For these packages, pin 1 is Out A, pin 4 is V- negative power supply, and pin 8 is V+ positive power supply.
What key precision parameters are specified for OPA2227?
Specified precision parameters include 3 nV/√Hz input voltage noise density, 75 µV maximum input offset voltage, 10 nA maximum input bias current, 138 dB common-mode rejection ratio, and 160 dB open-loop gain.
Technical Review & Sourcing Note
Prepared by LDeepAI Component Sourcing Team. Reviewed for RFQ, documentation and alternative sourcing use. Last updated: June 30, 2026.
This page is based on manufacturer datasheet information and LDeepAI sourcing review. Specifications should be verified against the official manufacturer datasheet before final procurement or design approval. Final electrical, optical and reliability approval should be confirmed by the buyer's engineering team.