The LMH6672 is a low cost, dual high speed op amp capable of driving signals to within 1 V of the power supply rails. It features the high output drive with low distortion required for the demanding application of a single supply xDSL line driver.
When connected as a differential output driver, the LMH6672 can drive a 50-Ω load to 16.8 VPP swing with only −98 dBc distortion, fully supporting the peak upstream power levels for upstream full-rate ADSL. The LMH6672 is fully specified for operation with 5-V and 12-V supplies. Ideal for PCI modem cards and xDSL modems.
| Architecture | Voltage FB |
| Number of channels | 2 |
| Total supply voltage (+5 V = 5, ±5 V = 10) (min) (V) | 5 |
| Total supply voltage (+5 V = 5, ±5 V = 10) (max) (V) | 12 |
| GBW (typ) (MHz) | 180 |
| BW at Acl (MHz) | 90 |
| Acl, min spec gain (V/V) | 2 |
| Slew rate (typ) (V/µs) | 170 |
| Vn at flatband (typ) (nV√Hz) | 4.5 |
| Vn at 1 kHz (typ) (nV√Hz) | 4.5 |
| Iq per channel (typ) (mA) | 6.2 |
| Vos (offset voltage at 25°C) (max) (mV) | 5.5 |
| Rail-to-rail | In to V- |
| Features | Decompensated |
| Rating | Catalog |
| Operating temperature range (°C) | -40 to 150 |
| CMRR (typ) (dB) | 110 |
| Input bias current (max) (pA) | 14000000 |
| Offset drift (typ) (µV/°C) | 5 |
| Iout (typ) (mA) | 200 |
| 2nd harmonic (dBc) | 92 |
| 3rd harmonic (dBc) | 95 |
| Frequency of harmonic distortion measurement (MHz) | 1 |
| HSOIC (DDA) | 8 | 29.4 mm² 4.9 x 6 |
| SOIC (D) | 8 | 29.4 mm² 4.9 x 6 |
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