THS4121CD Texas Instruments Integrated Circuit (Small Outline Packages) In Stock
THS4121CD is a 3.3V, 100MHz fully differential CMOS operational amplifier with 43V/µs slew rate, 64dB CMRR, and voltage-feedback architecture. From $1.529, in stock worldwide shipping.
- Manufacturer
- Texas Instruments
- Package
- Small Outline Packages
- Pin Count
- 8
- Lifecycle
- ACTIVE
- Datasheet
- THS4121CD Datasheet PDF
- Category
- Integrated Circuit
- Price
- From $1.5290(MOQ 62)
- Temp Range
- ?°C to 70.0°C
- RoHS
- Compliant
- Lead Time
- 3–7 business days
- Shipping
- DHL Express · Worldwide
Key Features
- 100MHz bandwidth with 43V/µs slew rate for high-speed signal processing
- Fully differential architecture with 64dB min / 96dB typical CMRR for superior noise rejection
- 3.3V single-supply operation ideal for low-voltage ADC driver applications
- Voltage-feedback topology with integrated frequency compensation for ease of design
- Available in Small Outline Package (SOIC) for compact PCB layouts
Applications
The THS4121CD is well-suited for driving high-speed analog-to-digital converters (ADCs) in data acquisition systems where differential signaling and low noise are critical. It is commonly used in communications infrastructure, medical imaging equipment, and test and measurement instruments that require wide bandwidth and precise common-mode rejection. Its 3.3V supply compatibility also makes it ideal for portable and battery-powered designs.
Specifications
| Pbfree Code | Yes |
| YTEOL | 15 |
| Amplifier Type | OPERATIONAL AMPLIFIER |
| Architecture | VOLTAGE-FEEDBACK |
| Average Bias Current-Max (IIB) | 0.0000012 µA |
| Bandwidth (3dB)-Nom | 100MHz |
| Bias Current-Max (IIB) @25C | 0.0000012 µA |
| Common-mode Reject Ratio-Min | 64dB |
| Common-mode Reject Ratio-Nom | 96dB |
| Frequency Compensation | YES |
| Input Offset Voltage-Max | 8000 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 | 55V/us |
| Subcategory | Operational Amplifier |
| Supply Current-Max | 13.5mA |
| Supply Voltage Limit-Max | 3.6V |
| Supply Voltage-Nom (Vsup) | 3.3V |
| Surface Mount | YES |
| Technology | CMOS |
| Temperature Grade | COMMERCIAL |
| 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 | 100000 |
| Voltage Gain-Min | 1000 |
| Wideband | YES |
| 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 | Taiwan |
Alternate & Equivalent Parts
Compatible alternatives and drop-in replacements for THS4121CD:
Amplifier, 1 Func, 8000uV Offset-Max, 100MHz Band Width, CMOS, PDSO8
Frequently Asked Questions
What is the bandwidth and slew rate of the THS4121CD?
The THS4121CD offers a 3dB bandwidth of 100MHz and a slew rate of 43V/µs, making it suitable for high-speed signal processing applications such as ADC drivers and wideband amplifiers.
What supply voltage does the THS4121CD support?
The THS4121CD is designed for 3.3V single-supply operation, which makes it ideal for low-voltage systems, portable equipment, and applications powered by modern digital supply rails.
What is the common-mode rejection ratio (CMRR) of the THS4121CD?
The THS4121CD features a minimum CMRR of 64dB and a typical CMRR of 96dB, providing excellent rejection of common-mode noise and interference in differential signal paths.
What are typical applications for the THS4121CD?
Typical applications include ADC input drivers, differential signal amplification in data acquisition systems, communications infrastructure front-ends, medical imaging, and test and measurement equipment requiring high bandwidth and low noise.
What package is the THS4121CD available in?
The THS4121CD is available in a Small Outline Integrated Circuit (SOIC) package, offering a compact footprint suitable for space-constrained PCB designs while maintaining good thermal performance.
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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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| Qty. | Unit Price | Ext. Price |
|---|---|---|
| 62+ | $4.8300 | $299.46 |
| 300+ | $4.2600 | $1278.00 |
| 525+ | $1.5380 | $807.45 |
| 1050+ | $1.5330 | $1609.65 |
| 3000+ | $1.5290 | $4587.00 |
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