THS4281DRG4 Texas Instruments Integrated Circuit (Small Outline Packages) In Stock
Single voltage-feedback rail-to-rail I/O operational amplifier from Texas Instruments with ±8.25V supply, 107 dB typical CMRR, and 3.5 mV maximum input offset voltage. Features frequency compensation and 0.8 µA typical bias current in an 8-pin SOIC package. Available in tape and reel with global stock and worldwide shipping.
- Manufacturer
- Texas Instruments
- Package
- Small Outline Packages
- Pin Count
- 8
- Lifecycle
- OBSOLETE
- Datasheet
- THS4281DRG4 Datasheet PDF
- Category
- Integrated Circuit
- Temp Range
- -40.0°C to 85.0°C
- RoHS
- Compliant
- Lead Time
- 3–7 business days
- Shipping
- DHL Express · Worldwide
Key Features
- Rail-to-rail input and output swing maximizes dynamic range on single or split supplies from ±8.25V (16.5V total), enabling use in space-constrained low-voltage systems
- 107 dB typical common-mode rejection ratio with 85 dB minimum ensures high accuracy signal conditioning even in noisy environments
- Voltage-feedback architecture with internal frequency compensation simplifies stability and noise optimization in precision amplifier circuits
Applications
The THS4281DRG4 is suited for precision analog signal conditioning in data acquisition front ends, sensor amplifier stages, and active filter designs where wide supply range and high CMRR are critical. It is also used in portable instrumentation, medical measurement devices, and industrial control loops requiring low input offset voltage and rail-to-rail output swing to maximize ADC input utilization.
Specifications
| YTEOL | 0 |
| Amplifier Type | OPERATIONAL AMPLIFIER |
| Architecture | VOLTAGE-FEEDBACK |
| Average Bias Current-Max (IIB) | 1 µA |
| Bias Current-Max (IIB) @25C | 0.8 µA |
| Common-mode Reject Ratio-Min | 85dB |
| Common-mode Reject Ratio-Nom | 107dB |
| Frequency Compensation | YES |
| Input Offset Voltage-Max | 3500 µV |
| JESD-30 Code | R-PDSO-G8 |
| JESD-609 Code | e4 |
| Low-Bias | NO |
| Low-Offset | NO |
| Micropower | NO |
| Neg Supply Voltage Limit-Max | -8.25 V |
| Neg Supply Voltage-Nom (Vsup) | -5 V |
| Number of Functions | 1 |
| Package Body Material | PLASTIC/EPOXY |
| Package Shape | RECTANGULAR |
| Package Style | SMALL OUTLINE |
| Packing Method | TR |
| Peak Reflow Temperature (Cel) | 260 |
| Power | NO |
| Programmable Power | NO |
| Qualification Status | Not Qualified |
| Slew Rate-Nom | 35V/us |
| Supply Current-Max | 0.9mA |
| Supply Voltage Limit-Max | 8.25V |
| Supply Voltage-Nom (Vsup) | 5V |
| Surface Mount | YES |
| Technology | BICMOS |
| Temperature Grade | INDUSTRIAL |
| Terminal Finish | NICKEL PALLADIUM GOLD |
| Terminal Form | GULL WING |
| Terminal Pitch | 1.27mm |
| Terminal Position | DUAL |
| Time@Peak Reflow Temperature-Max (s) | 30 |
| Unity Gain BW-Nom | 95000 |
| Voltage Gain-Min | 17782.79 |
| Wideband | NO |
| Package | Small Outline Packages |
Compliance & Regulatory
| RoHS Status | Compliant |
| Lead-Free | Yes (Pb-Free) |
| Moisture Sensitivity Level | MSL 1 |
| ECCN | EAR99 |
| HTS Code | 8542.33.00.01 |
Alternate & Equivalent Parts
Compatible alternatives and drop-in replacements for THS4281DRG4:
Frequently Asked Questions
What is the CMRR of the THS4281DRG4?
The THS4281DRG4 achieves a typical common-mode rejection ratio of 107 dB and a guaranteed minimum of 85 dB, making it well suited for precision differential signal conditioning in sensor interfaces and instrumentation amplifier applications.
What supply voltage does the THS4281DRG4 support?
The device operates on split supplies up to ±8.25V or a single supply up to 16.5V, giving designers flexibility to use it in both 5V single-supply systems and higher-voltage ±5V to ±8V split-supply precision analog designs.
Does the THS4281DRG4 have rail-to-rail capability?
Yes, the THS4281DRG4 features rail-to-rail input and output operation, allowing the input common-mode voltage and output swing to extend to within millivolts of both supply rails, which maximizes usable signal range in low-voltage or battery-powered applications.
What package is the THS4281DRG4 available in?
It comes in an 8-pin SOIC package (JESD-30 code R-PDSO-G8) supplied in tape and reel format (G4 suffix), which is compatible with automated SMT assembly and suitable for high-volume production of precision analog signal chain boards.
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About Texas Instruments
Texas Instruments (TI) is a global semiconductor company headquartered in Dallas, Texas. TI designs and manufactures analog and embedded processing chips used in industrial, automotive, consumer, communications, and enterprise systems.
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