The LM6172 is a dual high speed voltage feedback amplifier. It is unity-gain stable and provides excellent DC and AC performance. With 100MHz unity-gain bandwidth, 3000V/μs slew rate and 50mA of output current per channel, the LM6172 offers high performance in dual amplifiers; yet it only consumes 2.3mA of supply current each channel.
The LM6172 operates on ±15V power supply for systems requiring large voltage swings, such as ADSL, scanners and ultrasound equipment. It is also specified at ±5V power supply for low voltage applications such as portable video systems.
The LM6172 is built with TI's advanced VIP III (Vertically Integrated PNP) complementary bipolar process. See the LM6171 datasheet for a single amplifier with these same features.
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| Architecture | Voltage FB |
| Number of channels | 2 |
| Total supply voltage (+5 V = 5, ±5 V = 10) (min) (V) | 5.5 |
| Total supply voltage (+5 V = 5, ±5 V = 10) (max) (V) | 36 |
| GBW (typ) (MHz) | 100 |
| BW at Acl (MHz) | 160 |
| Acl, min spec gain (V/V) | 1 |
| Slew rate (typ) (V/µs) | 3000 |
| Vn at flatband (typ) (nV√Hz) | 12 |
| Vn at 1 kHz (typ) (nV√Hz) | 12 |
| Iq per channel (typ) (mA) | 2.3 |
| Vos (offset voltage at 25°C) (max) (mV) | 1.5 |
| Rail-to-rail | No |
| Rating | Catalog |
| Operating temperature range (°C) | -40 to 85 |
| CMRR (typ) (dB) | 110 |
| Input bias current (max) (pA) | 1500000 |
| Offset drift (typ) (µV/°C) | 6 |
| Iout (typ) (mA) | 85 |
| 2nd harmonic (dBc) | 50 |
| 3rd harmonic (dBc) | 50 |
| Frequency of harmonic distortion measurement (MHz) | 5 |
| PDIP (P) | 8 | 92.5083 mm² 9.81 x 9.43 |
| SOIC (D) | 8 | 29.4 mm² 4.9 x 6 |
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