Nisshinbo Micro Devices NJU77582

The NJU77582 is a dual rail-to-rail input and output single supply OpAmp featuring wide bandwidth and low noise. The combination of very low noise (6 nV/√Hz at 10 kHz), high-gain bandwidth (20 MHz), and fast slew rate (10 V/μs) make the device ideal for a wide variety of applications, including signal conditioning and sensor amplification requiring high gains. Low input bias current, low noise and low offset voltage drift of 0.5 μV/°C performances are also excellent for filters, integrators, photodiode amplifiers, and high impedance sensors. The ability of rail-to-rail input and output enables the designers to buffer ADC, DAC, and other wide output swing devices in single-supply systems. The Enhanced C-Drive the NJU77582 can directly drive a 1000 pF capacitive load, and can output an AC signal with little distortion even with a large capacitive load by suppressing the decrease in GBW. This feature is ideal for high-speed signal cable drivers and high-speed active filter circuits that are sensitive to wiring capacitance. The NJU77582 includes an integrated EMI filter to reduce malfunctions caused by RF noises from mobile phones and other wireless devices.

Key features

• High gain Bandwidth product 20 MHz
• Low noise 6 nV/√Hz (f = 10 kHz)
• Integrated EMI filter EMIRR = 64 dB (f = 1.8 GHz)
• High slew rate 10 V/μs
• Enhanced C-Drive
  • 1000 pF high capacitive load drive
  • Maintains GBW 20 MHz under high capacitive load
• Input offset voltage 2.5 mV max.
• Input offset voltage Drift 0.5 μV/°C
• Rail-to-Rail input and output
• Unity-Gain stable
• Supply voltage 2.7 V to 5.5 V
• Input bias current 1 pA
• Supply current 2.3 mA/channel
• NJU77582R is a dual opamp in a MSOP8 (VSP8)

Applications

• Sensor signal conditioning
• High-speed cable drivers
• Multi-pole active filters
• Security devices
• Scanners
• Photodiode amplifier
• A/D Converter front-end