The THS3112/5 are low-noise, high-speed current feedback amplifiers, ideal for any application requiring high output current. The low noninverting current noise of 2.9 pA/√Hz and the low inverting current noise of 10.8pA/√Hz increase signal-to-noise ratios for enhanced signal resolution. The THS3112/5 can operate from ±5-V to ±15-V supply voltages, while drawing as little as 4.5 mA of supply current per channel. It offers low –78-dBc total harmonic distortion driving 2 VPP into a 100-
load. The THS3115 features a low-power shutdown mode, consuming only 300-µA shutdown quiescent current per channel. The THS3112/5 are packaged in standard SOIC, SOIC PowerPAD™, and TSSOP PowerPAD packages.
PowerPAD Is a trademark of Texas Instruments.
All other trademarks are the property of their respective owners.
| Architecture | Current FB |
| Number of channels | 2 |
| Total supply voltage (+5 V = 5, ±5 V = 10) (min) (V) | 10 |
| Total supply voltage (+5 V = 5, ±5 V = 10) (max) (V) | 30 |
| GBW (typ) (MHz) | 110 |
| BW at Acl (MHz) | 110 |
| Acl, min spec gain (V/V) | 1 |
| Slew rate (typ) (V/µs) | 1550 |
| Vn at flatband (typ) (nV√Hz) | 2.8 |
| Vn at 1 kHz (typ) (nV√Hz) | 2.2 |
| Iq per channel (typ) (mA) | 4.9 |
| Vos (offset voltage at 25°C) (max) (mV) | 10 |
| Rail-to-rail | No |
| Features | Shutdown |
| Rating | Catalog |
| Operating temperature range (°C) | -40 to 85 |
| CMRR (typ) (dB) | 67 |
| Input bias current (max) (pA) | 2000000 |
| Offset drift (typ) (µV/°C) | 10 |
| Iout (typ) (mA) | 270 |
| 2nd harmonic (dBc) | 78 |
| 3rd harmonic (dBc) | 78 |
| Frequency of harmonic distortion measurement (MHz) | 1 |
| HTSSOP (PWP) | 14 | 32 mm² 5 x 6.4 |
| SOIC (D) | 14 | 51.9 mm² 8.65 x 6 |
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