Overview
The LMH6882SQ/NOPB is a high-speed, high-performance programmable differential amplifier produced by Texas Instruments. This device boasts a bandwidth of 2.4 GHz and high linearity, making it suitable for a wide variety of signal conditioning applications. The LMH6882 combines the benefits of fully differential amplifiers and variable-gain amplifiers, offering superior noise and distortion performance across its entire gain range without the need for external resistors. It is fabricated in TI's CBiCMOS8 proprietary complementary silicon germanium process and is available in a space-saving, thermally enhanced 36-pin WQFN package.
Key Specifications
| Parameter | Value | Unit |
|---|---|---|
| Small Signal Bandwidth | 2400 | MHz |
| OIP3 @ 100 MHz | 42 | dBm |
| HD3 @ 100 MHz | -100 | dBc |
| Noise Figure | 9.7 | dB |
| Voltage Gain | 6 dB to 26 dB | dB |
| Voltage Gain Step Size | 0.25 | dB |
| Input Impedance | 100 | Ω |
| Operating Temperature Range | -40 to 85 | °C |
| Package Type | WQFN (36 pins) | |
| Package Size | 6.00 mm × 6.00 mm |
Key Features
- High-speed operation with a bandwidth of 2.4 GHz
- High linearity with OIP3 of 42 dBm at 100 MHz
- Low distortion with HD3 of -100 dBc at 100 MHz
- Noise figure of 9.7 dB
- Voltage gain adjustable from 6 dB to 26 dB with 0.25 dB steps
- Input impedance of 100 Ω, supporting both differential and 50-Ω single-ended signal sources
- Parallel and serial gain control options
- Power down capability
- Supports DC- and AC-coupled applications
Applications
- Microwave Backhaul Radio Receiver
- Zero IF Sampling
- In-Phase/Quadrature (I/Q) Sampling
- Medical Imaging
- RF/IF and Baseband Gain Blocks
- Differential Cable Driver
Q & A
- What is the bandwidth of the LMH6882?
The LMH6882 has a small signal bandwidth of 2.4 GHz.
- What is the OIP3 of the LMH6882 at 100 MHz?
The OIP3 at 100 MHz is 42 dBm.
- What is the noise figure of the LMH6882?
The noise figure is 9.7 dB.
- What are the voltage gain settings for the LMH6882?
The voltage gain is adjustable from 6 dB to 26 dB with 0.25 dB steps.
- What is the input impedance of the LMH6882?
The input impedance is 100 Ω.
- Does the LMH6882 support parallel and serial gain control?
Yes, it supports both parallel and serial gain control.
- What package type and size is the LMH6882 available in?
The LMH6882 is available in a 36-pin WQFN package with a size of 6.00 mm × 6.00 mm.
- What are some typical applications of the LMH6882?
Typical applications include microwave backhaul radio receivers, zero IF sampling, I/Q sampling, medical imaging, RF/IF and baseband gain blocks, and differential cable drivers.
- Does the LMH6882 support DC- and AC-coupled applications?
Yes, it supports both DC- and AC-coupled applications.
- What is the operating temperature range of the LMH6882?
The operating temperature range is -40°C to 85°C.
