OPA1644 Overview
The OPA1641 (single), OPA1642 (dual), and OPA1644 (quad) series are JFET-input, ultralow distortion, low-noise operational amplifiers fully specified for audio applications. The OPA1641, OPA1642, and OPA1644 rail-to-rail output swing allows increased headroom, making these devices ideal for use in any audio circuit.
OPA1644 Key Features
- 1 Superior Sound Quality
- True JFET Input Operational Amplifier
- Low Noise: 5.1 nV/√Hz at 1 kHz
- Ultralow Distortion: 0.00005% at 1 kHz
- High Slew Rate: 20 V/μs
- Unity Gain Stable
- No Phase Reversal
- Low Quiescent Current
- Rail-to-rail Output
- Wide Supply Range: ±2.25 V to ±18 V