THS4531ID Texas Instruments Integrated Circuit (Small Outline Packages) In Stock
THS4531ID is a fully differential amplifier from Texas Instruments with 27MHz bandwidth, rail-to-rail output swing, and 90dB minimum CMRR in an 8-pin SOIC package. Designed to drive ADC differential inputs with low noise in precision data acquisition systems. Available in stock globally with worldwide shipping.
- Manufacturer
- Texas Instruments
- Package
- Small Outline Packages
- Pin Count
- 8
- Lifecycle
- ACTIVE
- Datasheet
- THS4531ID Datasheet PDF
- Category
- Integrated Circuit
- Price
- From $1.6000(MOQ 75)
- Temp Range
- -40.0°C to 125.0°C
- RoHS
- Compliant
- Lead Time
- 3–7 business days
- Shipping
- DHL Express · Worldwide
Key Features
- 27MHz fully differential architecture with rail-to-rail output maximizes dynamic range when driving high-resolution SAR and delta-sigma ADCs
- 90dB minimum CMRR at 116dB typical provides excellent common-mode noise rejection in industrial differential signal chains
- Low 0.21µA input bias current and voltage-feedback architecture ensure accurate signal amplification in low-power 3.3V single-supply designs
Applications
THS4531ID is used as a differential ADC driver in precision data acquisition front-ends, industrial measurement systems, and medical instrumentation where balanced differential signal paths minimize noise and distortion. Its 27MHz bandwidth and rail-to-rail output make it suitable for driving 12-bit to 16-bit SAR converters in battery-powered test and measurement instruments operating from a single 2.7V to 5V supply.
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 | R-PDSO-G8 |
| JESD-609 Code | e4 |
| Low-Bias | NO |
| Low-Offset | NO |
| Micropower | NO |
| Number of Functions | 1 |
| Package Body Material | PLASTIC/EPOXY |
| Package Equivalence Code | SOP8,.25 |
| Package Shape | RECTANGULAR |
| Package Style | SMALL OUTLINE |
| Packing Method | TUBE |
| 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 | GULL WING |
| Terminal Pitch | 1.27mm |
| Terminal Position | DUAL |
| Time@Peak Reflow Temperature-Max (s) | 30 |
| Unity Gain BW-Nom | 30000 |
| Voltage Gain-Max | 5.623 |
| Voltage Gain-Min | 100000 |
| Wideband | NO |
| ## THS4531ID Alternates Showing results | Image |
| Package | Small Outline Packages |
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 | Mexico |
Alternate & Equivalent Parts
Compatible alternatives and drop-in replacements for THS4531ID:
Amplifier, 1 Func, 1000uV Offset-Max, 2.7MHz Band Width, BICMOS, PDSO8
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Frequently Asked Questions
How does THS4531ID perform as an ADC driver for a 16-bit SAR converter at 1MSPS sample rates?
THS4531ID provides a 27MHz small-signal bandwidth with a 90dB minimum CMRR and rail-to-rail output swing, making it suitable for driving 16-bit SAR ADCs at sample rates up to 1MSPS with low distortion. The fully differential output rejects common-mode noise injected on the PCB, preserving the converter's dynamic range in industrial data acquisition applications operating from 3.3V or 5V supplies.
What single-supply voltage range does THS4531ID support, and how does that affect circuit design?
THS4531ID operates from a single supply as low as 2.7V up to 5V, enabling direct integration with 3.3V microcontroller and FPGA signal chains without level-shifting components. Its rail-to-rail output ensures the full input range of the downstream ADC is utilized, while the 8-pin SOIC package simplifies PCB layout for mixed-signal boards in portable medical and industrial instruments.
When should a designer choose THS4531ID over a single-ended op-amp for sensor signal conditioning?
THS4531ID is preferred when the downstream ADC has a differential input, as converting single-ended sensor output to a balanced differential signal at 27MHz bandwidth rejects power-supply noise and reduces harmonic distortion. Compared to using two single-ended op-amps with 90dB CMRR minimum, THS4531ID halves component count in the 8-pin SOIC package and simplifies impedance matching in precision instrumentation circuits.
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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.
| Qty. | Unit Price | Ext. Price |
|---|---|---|
| 75+ | $2.4200 | $181.50 |
| 106+ | $1.9021 | $201.62 |
| 136+ | $1.8387 | $250.06 |
| 182+ | $1.6485 | $300.03 |
| 10000+ | $1.6000 | $16000.00 |
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