THS4121CDGKR Texas Instruments Integrated Circuit (Small Outline Packages) In Stock
THS4121CDGKR is a fully differential voltage-feedback operational amplifier with 100 MHz bandwidth, 64 dB CMRR, and CMOS architecture. Ideal for ADC driving and differential signal processing. From $3.89, in stock worldwide shipping.
- Manufacturer
- Texas Instruments
- Package
- Small Outline Packages
- Pin Count
- 8
- Lifecycle
- ACTIVE
- Datasheet
- THS4121CDGKR Datasheet PDF
- Category
- Integrated Circuit
- Price
- From $3.8900(MOQ 250)
- Temp Range
- ?°C to 70.0°C
- RoHS
- Compliant
- Lead Time
- 3–7 business days
- Shipping
- DHL Express · Worldwide
Key Features
- 100 MHz 3dB bandwidth for high-speed differential signal processing
- Voltage-feedback architecture with 96 dB typical common-mode rejection ratio
- Ultra-low input bias current of 1.2 pA for precision applications
- Fully differential output simplifies ADC driving and balanced signal transmission
- CMOS architecture with rail-to-rail capability for low-power designs
Applications
The THS4121CDGKR is well-suited for driving high-speed analog-to-digital converters (ADCs) in data acquisition systems and communications equipment. Its fully differential topology makes it ideal for balanced audio interfaces, instrumentation amplifiers, and differential signal conditioning in industrial environments. The device also excels in active filter design and line driver applications where high CMRR and wide bandwidth are critical.
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 | S-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 | SQUARE |
| Package Style | SMALL OUTLINE, THIN PROFILE, SHRINK PITCH |
| Packing Method | TR |
| 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 | 0.65mm |
| 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 |
Alternate & Equivalent Parts
Compatible alternatives and drop-in replacements for THS4121CDGKR:
Amplifier, 1 Func, 8000uV Offset-Max, 100MHz Band Width, CMOS, PDSO8
Amplifier, 1 Func, 8000uV Offset-Max, 100MHz Band Width, CMOS, PDSO8
Amplifier, 1 Func, 8000uV Offset-Max, 100MHz Band Width, CMOS, PDSO8
Frequently Asked Questions
What is the bandwidth and input bias current of the THS4121CDGKR?
The THS4121CDGKR provides a 3dB bandwidth of 100 MHz nominal, making it suitable for high-speed signal processing. Its maximum input bias current is 1.2 pA (0.0000012 µA) at 25°C, enabling precision low-leakage applications.
What are the typical applications for the THS4121CDGKR?
This fully differential amplifier is commonly used for driving high-speed ADCs, differential signal conditioning in data acquisition systems, active filter design, balanced audio interfaces, and industrial instrumentation where high common-mode rejection and wide bandwidth are required.
What package type does the THS4121CDGKR use and is it RoHS compliant?
The THS4121CDGKR comes in a Small Outline Package (MSOP/VSSOP style, DGK package). It is Pb-free and RoHS compliant, as indicated by the Pbfree Code: Yes specification, making it suitable for modern lead-free assembly processes.
What is the common-mode rejection ratio (CMRR) of the THS4121CDGKR?
The THS4121CDGKR offers a minimum CMRR of 64 dB and a nominal CMRR of 96 dB. This high rejection ratio ensures excellent suppression of common-mode noise and interference, which is critical in differential signal applications and ADC front-end designs.
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| Qty. | Unit Price | Ext. Price |
|---|---|---|
| 250+ | $4.3100 | $1077.50 |
| 1000+ | $4.0200 | $4020.00 |
| 2500+ | $3.8900 | $9725.00 |
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