Products
Low Current LNAs
About low-current LNAs: low-noise amplifiers optimized for minimum supply current — the right pick for battery-powered, energy-harvesting, or thermally-constrained receivers where every milliamp counts. Read more »Read less «
A low-current LNA is a low-noise amplifier engineered to deliver competitive noise figure and gain from a much smaller supply current than a typical front-end LNA — often 5–10 mA versus 30–60 mA for a high-linearity equivalent. The trade-off is a modest reduction in OIP3 (linearity scales with quiescent current), but for battery-powered and IoT designs the DC budget usually wins over the linearity headroom.
Selection priorities flip from a standard LNA: supply current dominates, with noise figure as the constraining sensitivity spec, then gain and IIP3. Most parts run from a single 1.8 V to 3.3 V supply (no separate analog rail needed) and are internally matched to 50 Ω so the only external components are decoupling caps and a bias resistor.
Typical applications include battery-powered IoT and sensor radios, GPS / GNSS receivers in wearables and asset trackers, low-power Bluetooth / Zigbee / LoRa front ends, energy-harvesting designs, and any receiver where the system thermal budget can't tolerate a high-power amplifier. AEC-Q100 grade-2 qualified variants are denoted with a "-W" suffix.
The table below lists the active low-current LNA portfolio sorted by SKU, with frequency range, gain, noise figure, OIP3, supply current, and package. Click any SKU for the full data sheet, S-parameters, and reference designs.
| Product | Min Freq (GHz) | Max Freq (GHz) | Gain(dB) | NF(dB) | OP1dB (dBm) | OIP3 (dBm) | Reference Conditions | Vdd Range (V) | Idd Range (mA) | Features | Package (mm) | Description | Parametric Charts |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| GRF2012 | 0.05 | 6.0 | 15.0 | 2.7 | 22.5 | 40.0 | 5V/90mA/900MHz |
2.7-8.0 | 30-120 | Flat gain; low noise; high linearity; internally matched; flex bias |
1.5 DFN-6 | High Linearity Gain Block |
|
| GRF2012W | 0.05 | 6.0 | 14.6 | 2.7 | 22.7 | 40.0 | 5V/90mA/900MHz |
2.7-8.0 | 15-100 | Flat gain; low noise; high linearity; internally matched; flex bias |
1.5 DFN-6 | Broadband Linear Gain Block |
|
| GRF2013 | 0.01 | 9 | 18.5 | 1.3 | 22.5 | 38.5 | 5V/90mA/1.9GHz |
2.7-8.0 | 15-100 | Flat gain; low noise; high linearity; internally matched; flex bias |
1.5 DFN-6 | Broadband Linear Gain Block |
|
| GRF2013W | 0.01 | 9 | 18.5 | 1.3 | 22.5 | 38.5 | 5V/90mA/1.9GHz |
2.7-8.0 | 15-100 | Flat gain; low noise; high linearity; internally matched; flex bias |
1.5 DFN-6 | Broadband Linear Gain Block |
|
| GRF2042 | 0.15 | 6.0 | 15.5 | 2.1 | 22.0 | 38.0 | 5V/80mA/1700MHz |
2.7-6.0 | 20-100 | Flat gain; low noise; high linearity; internally matched; bypass |
1.5 DFN-6 | Linear Gain Block with Bypass |
|
| GRF2043 | 0.15 | 6.0 | 18.5 | 1.8 | 22.0 | 36.0 | 5V/80mA/1.9GHz |
2.7-6.0 | 20-100 | Bypass; low noise; high linearity; internally matched; flex bias |
1.5 DFN-6 | Linear Gain Block with Bypass |
|
| GRF2100 | 0.08 | 5.3 | 16.5 | 0.8 | 10.0 | 19.0 | 3.3V/15mA/2500MHz |
1.8-5.0 | 6-30 | High gain, low noise; low cost |
1.5 DFN-6 | General Purpose, Low Current LNA |
|
| GRF2100W | 0.08 | 5.3 | 16.5 | 0.8 | 10.0 | 19.0 | 3.3V/15mA/2500MHz |
1.8-5.0 | 8-30 | High gain, low noise; low cost |
1.5 DFN-6 | General Purpose, Low Current LNA |
|
| GRF2101 | 4.0 | 10.0 | 18.0 | 0.9 | 10.0 | 22.0 | 3.3V/18mA/5.5GHz |
2.7-5.0 | 12-28 | High gain, low noise; low cost |
1.5 DFN-6 | 5 GHz, high gain LNA |
|
| GRF2106 | 0.1 | 5 | 21.5 | 0.8 | 11.0 | 21.0 | 3.3V/15mA/2.45GHz |
2.7-5.0 | 10-30 | Flexible bias; standard pinout |
1.5 DFN-6 | High Gain, Low Current LNA |
|
| GRF2106W | 0.1 | 5 | 21.5 | 0.8 | 11.0 | 21.0 | 3.3V/15mA/2.45GHz |
2.7-5.0 | 10-30 | Flexible bias; standard pinout |
1.5 DFN-6 | High Gain, Low Current LNA |
|
| GRF2108 | 0.1 | 3.8 | 17 | 0.9 | 17.5 | 19 | 3.3V/10mA/900MHz |
1.8-5.0 | 4-20 | High gain, low noise; low cost |
1.5 DFN-6 | General Purpose, Low Current LNA |
|
| GRF2113 | 0.03 | 6.0 | 21.8 | 1.6 | 22.1 | 35.7 | 5V/108mA/2.5GHz |
3.0-6.0 | 108 | Positive gain slope; low noise; high linearity; flex bias |
2.0 DFN-8 | Broadband Gain Block |
|
| GRF2140 | 0.085 | 4.2 | 17.8 | 1.1 | 9.3 | 20 | 3.3V/18mA/1950MHz |
2.7-5.0 | 6-30 | High gain, low noise; bypass |
1.5 DFN-6 | Low Current LNA with Bypass |
|
| GRF2201 | 1.2 | 6.1 | 20.0 | 0.75 | 12.0 | 23.0 | 3.3V/15mA/2.45GHz |
2.7-5.0 | 8-30 | High gain; low noise |
1.5 DFN-6 | High Gain, Ultra-LNA |
|
| GRF2243 | 0.4 | 5.0 | 19.7 | 0.75 | 14.0 | 23.0 | 3.3V/15mA/2.5GHz |
2.7-5.0 | 8-25 | High gain; low noise; bypass |
1.5 DFN-6 | Low Noise Amplifier with Bypass |
|
| GRF2373 | 0.09 | 4 | 18 | 1.3 | 13 | 25 | 3.3V/15mA/1.95GHz |
2.7-5.0 | 10-25 | High gain, low noise; good linearity; low cost |
1.5 DFN-6 | Low-Current LNA/Driver |
|
| GRF2374 | 0.1 | 3.8 | 14.3 | 1.4 | 11.0 | 23.5 | 3.3V/15mA/2.4GHz |
2.7-5.5 | 10-25 | High gain, low noise; bypass |
1.5 DFN-6 | Low Current LNA with Bypass |
|
| GRF2501 | 4.3 | 9.0 | 17 | 1 | 9 | 3.3V/18mA/5.5GHz |
2.7-5.0 | 12-28 | Internal match; high gain, low noise |
1.5 DFN-6 | High Gain, Ultra-Low Noise Amplifier |
||
| GRF2501W | 4.3 | 9.0 | 17 | 1 | 9 | 3.3V/18mA/5.5GHz |
2.7-5.0 | 12-28 | Internal match; high gain, low noise |
1.5 DFN-6 | High Gain, Ultra-LNA |
||
| GRF2541 | 4.9 | 6.0 | 16.4 | 1 | 7.0 | 19.0 | 3.3V/18mA/5.5GHz |
2.7-5.0 | 12-28 | Internal match; high gain, low noise; bypass |
1.5 DFN-6 | 5 GHz LNA with bypass |
|
| GRF2543 | 3.75 | 8.5 | 14.5 | 1.0 | 11.5 | 3.3V/15mA/5.5GHz |
2.7-5.0 | 15 | Low noise; bypass |
1.5 DFN-6 | High Gain, Ultra-LNA with Bypass |
* = Product is in Pre-Production. Contact [email protected] for minimum order quantity.