The OPA544 is a high-voltage/high-current operational amplifier suitable for driving a wide variety of high power loads. High performance FET op amp circuitry and high power output stage are combined on a single monolithic chip.
The OPA544 is protected by internal current limit and thermal shutdown circuits.
The OPA544 is available in industry-standard 5-lead TO-220 and 5-lead surface-mount power packages. Its copper tab allows easy mounting to a heat sink for excellent thermal performance. It is specified for operation over the extended industrial temperature range, -40°C to +85°C.
| Number of channels | 1 |
| Total supply voltage (+5 V = 5, ±5 V = 10) (min) (V) | 20 |
| Total supply voltage (+5 V = 5, ±5 V = 10) (max) (V) | 70 |
| Iout (typ) (A) | 4 |
| GBW (typ) (MHz) | 1.4 |
| Slew rate (typ) (V/µs) | 8 |
| Vos (offset voltage at 25°C) (max) (mV) | 5 |
| Offset drift (typ) (V/°C) | 0.00001 |
| Iq per channel (typ) (mA) | 12 |
| Rating | Catalog |
| Operating temperature range (°C) | -40 to 85 |
| Input bias current (max) (pA) | 100 |
| CMRR (typ) (dB) | 106 |
| Rail-to-rail | No |
| Architecture | FET |
| TO-220 (KC) | 5 | 45.212 mm² 10.16 x 4.45 |
| TO-263 (KTT) | 5 | 154.8384 mm² 10.16 x 15.24 |
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