THS4531IRUNR Texas Instruments Integrated Circuit (Quad Flat No-Lead) In Stock
The THS4531IRUNR is an ultra-low power fully differential amplifier with rail-to-rail output from Texas Instruments. It features 2.7MHz bandwidth, 116dB nominal CMRR, and only 0.25mA supply current in a compact QFN package. Available with worldwide shipping at competitive pricing.
- Manufacturer
- Texas Instruments
- Package
- Quad Flat No-Lead
- Pin Count
- 10
- Lifecycle
- ACTIVE
- Datasheet
- THS4531IRUNR Datasheet PDF
- Category
- Integrated Circuit
- Temp Range
- -40.0°C to 125.0°C
- RoHS
- Compliant
- Lead Time
- 3–7 business days
- Shipping
- DHL Express · Worldwide
Key Features
- Ultra-low power consumption of 0.25mA supply current enables battery-powered and energy-harvesting designs without sacrificing differential amplifier performance
- Rail-to-rail output (RRO) swing maximizes dynamic range in low-voltage single-supply systems such as ADC drivers and sensor front-ends
- High CMRR of 116dB nominal with fully differential architecture provides excellent common-mode noise rejection for precision low-power signal chains
Applications
The THS4531IRUNR is ideal for ultra-low power differential signal conditioning in battery-operated instruments, portable medical devices, and IoT sensor nodes requiring precise ADC driving with minimal power consumption. Its fully differential architecture and rail-to-rail output make it well-suited for driving high-resolution ADC inputs in energy-constrained systems such as wearable health monitors and remote sensing modules. It is also used in low-power data acquisition systems, active filters, and balanced audio interfaces where simultaneous low noise and minimal quiescent current are critical design requirements.
Specifications
| Pbfree Code | Yes |
| YTEOL | 15 |
| Amplifier Type | OPERATIONAL AMPLIFIER |
| Architecture | VOLTAGE-FEEDBACK |
| Average Bias Current-Max (IIB) | 0.21 µA |
| Bandwidth (3dB)-Nom | 2.7MHz |
| Bias Current-Max (IIB) @25C | 0.21 µA |
| Common-mode Reject Ratio-Min | 90dB |
| Common-mode Reject Ratio-Nom | 116dB |
| Frequency Compensation | YES |
| Input Offset Current-Max (IIO) | 0.05 µA |
| Input Offset Voltage-Max | 1000 µV |
| JESD-30 Code | S-XQCC-N10 |
| JESD-609 Code | e4 |
| Low-Bias | NO |
| Low-Offset | NO |
| Micropower | NO |
| Number of Functions | 1 |
| Package Body Material | UNSPECIFIED |
| Package Equivalence Code | LCC10,.08SQ,20 |
| Package Shape | SQUARE |
| Package Style | CHIP CARRIER |
| Packing Method | TR |
| Peak Reflow Temperature (Cel) | 260 |
| Power | NO |
| Programmable Power | NO |
| Qualification Status | Not Qualified |
| Slew Rate-Nom | 220V/us |
| Supply Current-Max | 0.25mA |
| Supply Voltage Limit-Max | 5.5V |
| Supply Voltage-Nom (Vsup) | 2.7V |
| Surface Mount | YES |
| Technology | BICMOS |
| Temperature Grade | AUTOMOTIVE |
| Terminal Finish | Nickel/Palladium/Gold (Ni/Pd/Au) |
| Terminal Form | NO LEAD |
| Terminal Pitch | 0.5mm |
| Terminal Position | QUAD |
| Time@Peak Reflow Temperature-Max (s) | 30 |
| Unity Gain BW-Nom | 30000 |
| Voltage Gain-Max | 5.623 |
| Voltage Gain-Min | 100000 |
| Wideband | NO |
| Package | Quad Flat No-Lead |
Compliance & Regulatory
| RoHS Status | Compliant |
| Lead-Free | Yes (Pb-Free) |
| Moisture Sensitivity Level | MSL 2 |
| ECCN | EAR99 |
| HTS Code | 8542.33.00.01 |
| Country of Origin | Malaysia |
Alternate & Equivalent Parts
No known alternates. Submit an RFQ and our team can suggest alternatives.
Frequently Asked Questions
What is the supply current of the THS4531IRUNR?
The THS4531IRUNR consumes only 0.25mA of supply current, making it one of the lowest power fully differential amplifiers available. This ultra-low quiescent current is ideal for battery-powered and energy-harvesting applications.
What is the bandwidth of the THS4531IRUNR?
The THS4531IRUNR has a 3dB bandwidth of 2.7MHz, which is sufficient for audio-frequency signal conditioning, low-frequency data acquisition, sensor signal processing, and driving medium-speed ADCs in power-constrained applications.
What does the RRO designation mean for the THS4531IRUNR?
RRO stands for Rail-to-Rail Output, meaning the THS4531IRUNR's output can swing very close to both the positive and negative supply rails. This maximizes the usable output voltage range in low-voltage single-supply systems, improving dynamic range and ADC input utilization.
What package does the THS4531IRUNR use?
The THS4531IRUNR is housed in a compact QFN (Quad Flat No-Lead) package, providing a small PCB footprint with good thermal performance, which is well-suited for space-constrained portable and wearable designs.
What are typical applications for the THS4531IRUNR?
Typical applications include ADC differential input drivers in low-power data acquisition systems, portable medical instrumentation, IoT sensor front-ends, wearable health monitors, balanced audio interfaces, and active anti-aliasing filters in systems where minimizing power consumption is the primary design constraint.
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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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