Genuine Texas Instruments OPA2891DR Dual Op-Amp - 180MHz Bandwidth, 0.95nV/√Hz Ultra-Low Noise (SOIC-8)
Genuine Texas Instruments OPA2891DR Dual Op-Amp - 180MHz Bandwidth, 0.95nV/√Hz Ultra-Low Noise (SOIC-8)
Dual-channel voltage feedback amplifier featuring:
Ultra-low 0.95nV/√Hz voltage noise
180MHz gain-bandwidth product
140MHz bandwidth @ G=2V/V
105V/µs slew rate
THD as low as -100dBc @ 1MHz
| Parameter | Specification |
|---|---|
| Gain-Bandwidth Product | 180 MHz (Unity Gain) |
| -3dB Bandwidth (G=2) | 140 MHz |
| Slew Rate | 105 V/µs |
| Input Voltage Noise | 0.95 nV/√Hz |
| THD (1MHz, RL=150Ω) | -91 dBc |
| THD (1MHz, RL=1kΩ) | -100 dBc |
| THD+N (1kHz, BW=80kHz) | -137 dBc |
| Supply Voltage Range | ±4.5V to ±18V |
| Settling Time (0.1%) | 70 ns |
Optimized for low-noise/high-speed systems including:
ADC Driver Buffers (for 16-bit+ converters)
Communications IF Stages
Medical Imaging Front-Ends
Test Equipment Signal Paths
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