THS4631DGN Texas Instruments Integrated Circuit (Small Outline Packages) In Stock
THS4631DGN is a high-speed FET-input operational amplifier from Texas Instruments, featuring 25 MHz bandwidth, 0.002 µA max bias current, and 86 dB CMRR minimum. Ideal for precision signal conditioning and high-frequency applications. From $5.92, in stock worldwide shipping.
- Manufacturer
- Texas Instruments
- Package
- Small Outline Packages
- Pin Count
- 8
- Lifecycle
- OBSOLETE
- Datasheet
- THS4631DGN Datasheet PDF
- Category
- Integrated Circuit
- Price
- From $5.9171(MOQ 21)
- Temp Range
- -40.0°C to 85.0°C
- RoHS
- Compliant
- Lead Time
- 3–7 business days
- Shipping
- DHL Express · Worldwide
Key Features
- High-speed FET input with 25 MHz 3dB bandwidth for wideband signal processing
- Ultra-low bias current of 0.0001 µA at 25°C, ideal for precision high-impedance applications
- Excellent common-mode rejection ratio of 95 dB (nominal) for superior noise immunity
- Voltage-feedback architecture with built-in frequency compensation for stable operation
- Available in compact Small Outline Package (DGN) for space-constrained designs
Applications
The THS4631DGN is well-suited for precision instrumentation and medical measurement equipment where FET-input amplifiers minimize loading on high-impedance sensors. Its 25 MHz bandwidth and low bias current make it ideal for active filters, data acquisition front ends, and photodiode transimpedance amplifier designs. It is also used in test and measurement systems, communications signal conditioning, and industrial sensor interfaces requiring high accuracy and low noise.
Specifications
| YTEOL | 0 |
| Amplifier Type | OPERATIONAL AMPLIFIER |
| Architecture | VOLTAGE-FEEDBACK |
| Average Bias Current-Max (IIB) | 0.002 µA |
| Bandwidth (3dB)-Nom | 25MHz |
| Bias Current-Max (IIB) @25C | 0.0001 µA |
| Common-mode Reject Ratio-Min | 86dB |
| Common-mode Reject Ratio-Nom | 95dB |
| Frequency Compensation | YES |
| Input Offset Current-Max (IIO) | 0.0001 µA |
| Input Offset Voltage-Max | 500 µV |
| JESD-30 Code | S-PDSO-G8 |
| JESD-609 Code | e4 |
| Low-Bias | YES |
| Low-Offset | NO |
| Micropower | NO |
| Neg Supply Voltage Limit-Max | -16.5 V |
| Neg Supply Voltage-Nom (Vsup) | -15 V |
| Number of Functions | 1 |
| Package Body Material | PLASTIC/EPOXY |
| Package Equivalence Code | TSSOP8,.19 |
| Package Shape | SQUARE |
| Package Style | SMALL OUTLINE, HEAT SINK/SLUG, THIN PROFILE, SHRINK PITCH |
| Packing Method | TUBE |
| Peak Reflow Temperature (Cel) | 260 |
| Power | NO |
| Programmable Power | NO |
| Qualification Status | Not Qualified |
| Slew Rate-Nom | 1000V/us |
| Supply Current-Max | 13mA |
| Supply Voltage Limit-Max | 16.5V |
| Supply Voltage-Nom (Vsup) | 15V |
| Surface Mount | YES |
| Technology | BICMOS |
| Temperature Grade | INDUSTRIAL |
| Terminal Finish | NICKEL PALLADIUM GOLD SILVER |
| Terminal Form | GULL WING |
| Terminal Pitch | 0.65mm |
| Terminal Position | DUAL |
| Time@Peak Reflow Temperature-Max (s) | 30 |
| Unity Gain BW-Nom | 210000 |
| Voltage Gain-Min | 1780 |
| Wideband | YES |
| ## THS4631DGN Alternates Showing results | Image |
| 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 |
| Country of Origin | Mainland China |
Alternate & Equivalent Parts
Compatible alternatives and drop-in replacements for THS4631DGN:
Amplifier, 1 Func, 500uV Offset-Max, 25MHz Band Width, BICMOS, PDSO8
suggested
Frequently Asked Questions
What is the bandwidth of the THS4631DGN?
The THS4631DGN has a 3dB nominal bandwidth of 25 MHz, making it suitable for high-speed signal processing and wideband amplification applications where fast response and accurate signal reproduction are required.
What are the typical applications for the THS4631DGN?
The THS4631DGN is commonly used in precision instrumentation, photodiode transimpedance amplifiers, active filters, data acquisition front ends, medical measurement equipment, and industrial sensor interfaces that demand high-impedance FET input with low bias current.
What is the input bias current of the THS4631DGN?
The THS4631DGN features an extremely low input bias current maximum of 0.0001 µA (0.1 nA) at 25°C, with an average max IIB of 0.002 µA. This makes it ideal for high-impedance source applications where minimizing loading effects is critical.
What package type is the THS4631DGN available in?
The THS4631DGN is available in the DGN Small Outline Package (MSOP-8), which is a compact surface-mount package suitable for space-constrained PCB designs in consumer, industrial, and medical electronics.
What is the common-mode rejection ratio (CMRR) of the THS4631DGN?
The THS4631DGN has a minimum CMRR of 86 dB and a nominal CMRR of 95 dB, providing excellent rejection of common-mode noise and interference, which is essential for precision measurement and differential signal applications.
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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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