THS4131ID Texas Instruments amplifiers (SOIC) In Stock
THS4131ID is a fully differential high-speed op-amp from Texas Instruments with 150MHz GBW, ±15V supply range, and 6.5nV/√Hz input noise. Priced from $6.00, in-stock, 1-piece MOQ, ships worldwide.
- Manufacturer
- Texas Instruments
- Package
- SOIC
- Pin Count
- 8
- Lifecycle
- ACTIVE
- Datasheet
- THS4131ID Datasheet PDF
- Category
- amplifiers
- Price
- From $6.0000(MOQ 1)
- Temp Range
- -40.0°C to 85.0°C
- RoHS
- Compliant
- Lead Time
- 3–7 business days
- Shipping
- DHL Express · Worldwide
Key Features
- 150MHz gain-bandwidth product for high-speed signal processing
- ±15V wide supply range with 35V total supply max
- Ultra-low input voltage noise: 6.5nV/√Hz
- Fully differential architecture for superior common-mode rejection
- Industry-standard SOIC-8 package, industrial -40°C to +85°C
Applications
Ideal for ADC driver circuits, differential signal conditioning, and high-speed data acquisition systems. Widely used in medical imaging, communications infrastructure, and industrial test equipment where low-noise differential amplification is critical.
Specifications
| Gain Bandwidth Product | 150MHz |
| Supply Voltage | ±2.5 to ±15V |
| Input Voltage Noise | 6.5nV/√Hz |
| Slew Rate | 43V/µs |
| Output Current | 85mA |
| Package | SOIC-8 |
| Operating Temperature | -40 to +85°C |
| Package | SOIC |
Compliance & Regulatory
| RoHS Status | Compliant |
| Moisture Sensitivity Level | MSL 1 |
Alternate & Equivalent Parts
Compatible alternatives and drop-in replacements for THS4131ID:
Analog Devices 320MHz fully differential amplifier in SOIC-8, compatible supply range, higher bandwidth alternative.
Frequently Asked Questions
How does THS4131ID perform as an ADC driver?
THS4131ID is optimized for driving high-speed ADCs: its fully differential topology provides up to 80dB CMRR, the 150MHz GBW supports 12–16-bit converters at sample rates up to 50MSPS, and the 6.5nV/√Hz input noise preserves ADC dynamic range. The ±15V supply headroom allows rail-to-rail output swing into standard ADC input ranges.
Which pin-compatible alternatives can replace THS4131ID?
Pin-compatible or functionally equivalent alternatives include the THS4141 (200MHz GBW, same SOIC-8), AD8138 (Analog Devices, 320MHz, SOIC-8), and LTC6404-1 (Linear Technology, 800MHz for higher speed). The THS4141 is the direct TI upgrade while retaining identical footprint and supply requirements.
Does THS4131ID require external feedback resistors for gain setting?
Yes, THS4131ID uses external gain-setting resistors connected between its differential inputs and outputs. TI recommends matched 1kΩ feedback and gain resistors for unity gain (Rf=Rg=1kΩ). Maintaining tight resistor matching (0.1% or better) is critical for CMRR performance; mismatches degrade common-mode rejection by approximately 20dB per 1% imbalance.
What supply decoupling is recommended for THS4131ID?
Place 100nF ceramic capacitors (X5R/X7R, 0402 or 0603) on each supply pin as close as possible to the IC, supplemented by 10µF bulk capacitors. For multi-channel boards, individual decoupling per amplifier prevents supply-coupled crosstalk. A dedicated low-inductance ground plane is essential to achieve the datasheet noise floor at high frequencies.
Is THS4131ID RoHS compliant and what is its MSL rating?
Yes, THS4131ID is fully RoHS compliant and lead-free. The SOIC-8 plastic package is rated MSL Level 1, meaning it requires no special moisture precautions before soldering and can be stored indefinitely at standard ambient conditions (≤30°C/85%RH) without baking.
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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 |
|---|---|---|
| 1+ | $9.2300 | $9.23 |
| 100+ | $6.9200 | $692.00 |
| 1000+ | $6.0000 | $6000.00 |
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