The THS4271 is a low-noise, high slew rate, unity gain stable voltage-feedback amplifier designed to run from supply voltages as low as 5 V. The combination of low-noise, high slew rate, wide bandwidth, low distortion, and unity gain stability make the THS4271 a high performance device across multiple ac specifications.
Designers using the THS4271 are rewarded with higher dynamic range over a wider frequency band without the stability concerns of decompensated amplifiers. The devices are available in SOIC, MSOP with PowerPAD™, and leadless MSOP with PowerPAD™ packages.
The THS4271 may have low-level oscillation when the die temperature (also known as the junction temperature) exceeds +60°C and is not recommended for new designs. For more information, see Maximum Die Temperature to Prevent Oscillation.
(1) Additional temperature ranges are available - contact factory
PowerPAD Is a trademark of Texas Instruments.
All other trademarks are the property of their respective owners
| Architecture | Voltage FB |
| Number of channels | 1 |
| GBW (typ) (MHz) | 40 |
| BW at Acl (MHz) | 1400 |
| Slew rate (typ) (V/µs) | 1000 |
| Vn at flatband (typ) (nV√Hz) | 3 |
| Vn at 1 kHz (typ) (nV√Hz) | 3 |
| Iq per channel (typ) (mA) | 22 |
| Vos (offset voltage at 25°C) (max) (mV) | 14 |
| Rail-to-rail | No |
| Rating | HiRel Enhanced Product |
| Operating temperature range (°C) | -55 to 125 |
| CMRR (typ) (dB) | 72 |
| Input bias current (max) (pA) | 15000000 |
| Offset drift (typ) (µV/°C) | 10 |
| Iout (typ) (mA) | 160 |
| 2nd harmonic (dBc) | 65 |
| 3rd harmonic (dBc) | 80 |
| Frequency of harmonic distortion measurement (MHz) | 30 |
| HVSSOP (DGN) | 8 | 14.7 mm² 3 x 4.9 |
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