LMH6514SQX/NOPB Texas Instruments Integrated Circuit (Quad Flat No-Lead) In Stock
LMH6514SQX/NOPB is a 600 MHz voltage-feedback operational amplifier with digitally controlled variable gain from Texas Instruments. It delivers 81 dB CMRR in a compact 16-pin WQFN package, making it ideal for high-frequency signal chain and AGC applications in communications and test equipment.
- Manufacturer
- Texas Instruments
- Package
- Quad Flat No-Lead
- Pin Count
- 16
- Lifecycle
- OBSOLETE
- Datasheet
- LMH6514SQX/NOPB Datasheet PDF
- Category
- Integrated Circuit
- Temp Range
- -40.0°C to 85.0°C
- RoHS
- Compliant
- Lead Time
- 3–7 business days
- Shipping
- DHL Express · Worldwide
Key Features
- 600 MHz bandwidth voltage-feedback op-amp with variable gain control
- 81 dB common-mode rejection ratio (CMRR) for noise-immune signal paths
- Digitally programmable gain enabling automatic gain control (AGC) loops
- 16-pin WQFN (S-PQCC-N16) package for compact PCB layouts
- RoHS-compliant lead-free construction (Pb-free code: Yes)
- Voltage-feedback architecture for predictable frequency response
Applications
The LMH6514SQX/NOPB is designed for high-speed signal chains in wireless base stations, cable infrastructure, and RF test equipment where programmable gain and wide bandwidth are essential. Its 600 MHz bandwidth and AGC capability make it a strong fit for IF amplifier stages and receive-chain conditioning in communications hardware. Medical imaging and data acquisition systems that require precise gain control over wide frequency ranges also benefit from this device.
Specifications
| Pbfree Code | Yes |
| YTEOL | 0 |
| Amplifier Type | OPERATIONAL AMPLIFIER |
| Architecture | VOLTAGE-FEEDBACK |
| Common-mode Reject Ratio-Nom | 81dB |
| Frequency Compensation | NO |
| JESD-30 Code | S-PQCC-N16 |
| JESD-609 Code | e3 |
| Low-Bias | NO |
| Low-Offset | NO |
| Micropower | NO |
| Number of Functions | 1 |
| Package Body Material | PLASTIC/EPOXY |
| Package Equivalence Code | LCC16,.16SQ,20 |
| Package Shape | SQUARE |
| Package Style | CHIP CARRIER, VERY THIN PROFILE |
| Packing Method | TR |
| Peak Reflow Temperature (Cel) | 260 |
| Power | NO |
| Programmable Power | NO |
| Qualification Status | Not Qualified |
| Supply Current-Max | 134mA |
| Supply Voltage Limit-Max | 5.5V |
| Supply Voltage-Nom (Vsup) | 5V |
| Surface Mount | YES |
| Technology | BICMOS |
| Temperature Grade | INDUSTRIAL |
| Terminal Finish | MATTE TIN |
| Terminal Form | NO LEAD |
| Terminal Pitch | 0.5mm |
| Terminal Position | QUAD |
| Time@Peak Reflow Temperature-Max (s) | 30 |
| Voltage Gain-Min | 0.2512 |
| Wideband | NO |
| Package | Quad Flat No-Lead |
Compliance & Regulatory
| RoHS Status | Compliant |
| Lead-Free | Yes (Pb-Free) |
| Moisture Sensitivity Level | MSL 3 |
| ECCN | EAR99 |
| HTS Code | 8542.33.00.01 |
Alternate & Equivalent Parts
Compatible alternatives and drop-in replacements for LMH6514SQX/NOPB:
Frequently Asked Questions
What bandwidth and CMRR does the LMH6514SQX/NOPB deliver for high-frequency signal conditioning?
The LMH6514SQX/NOPB provides a 600 MHz bandwidth and an 81 dB common-mode rejection ratio, enabling effective suppression of common-mode noise across a broad frequency range suitable for IF amplifier stages and communications front-ends.
How does the digitally controlled gain feature simplify AGC loop design in receiver circuits?
By allowing gain to be set digitally, the LMH6514SQX/NOPB eliminates external discrete attenuators and simplifies the feedback path in automatic gain control loops, reducing component count and enabling tighter gain steps across the 600 MHz operating range without manual trimming.
For a space-constrained RF PCB, what physical footprint does the 16-pin WQFN package offer?
The 16-pin WQFN (S-PQCC-N16) package provides a very small footprint with exposed pad thermal relief, making it suitable for dense RF boards where keeping parasitics low at 600 MHz is critical and PCB real estate is limited to just a few square millimeters.
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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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