Low Noise, Rail-To-Rail Output Dual Cmos Operational Amplifier

Manufacturer's part number :


Manufacturer New Japan Radio

New Japan Radio

Description :

The NJU7029 is a dual CMOS operational amplifier with a low noise of VNI=13nV/√Hz (typ. @f=1kHz), Rail-to-Rail output and low operating voltage. It offers a single supply voltage operation from +2.2V to +5.5V, rail-to-rail output swing in both supply rails and input voltage range from ground. Further the NJU7029 has a low bias current of 1pA, which makes it well-suited for current sense amplifiers such as an acceleration sensor, shock sensor and photodiode amplifier. The NJU7029 is available in small surface mount packages of SSOP8, MSOP8 (TVSP8) and an ultra small lead-less package of ESON8 which allows high-density mounting.

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  • Low Noise
  • Voltage Noise (13nV/√Hz (typ.) @f=1kHz
  • 3µVrms (max.) @f=100Hz to 20kHz)
  • Easy to Use
  • Gain Bandwidth (3MHz)
  • Slew Rate (1V/μs (typ.) @RL=50kΩ)
  • Isource / Isink (200μA)
  • Specified for +5V, +3V and +2.2V operation
  • CMOS Process
  • Input Bias Current (1pA (typ.))
  • Rail-to-Rail Output
  • Offset Voltage (5mV (max.))
  • Offset Voltage Drift (2μV/°C (typ.))
  • Supply Range (2.2V to 5.5V)
  • Supply Current (850μA /all ch (typ.) @VDD=+5V)
  • Application (
  • Shock sensors, Accelerometers
  • Charge amplifiers
  • Photodiode amplifiers
  • Low noise signal processing applications
  • Microphone amplifiers
  • )
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Number per Package 2  
GBWP (kHz) 3000  
Operating Voltage Range (V) 2.2 to 5.5  
Input Voltage Noise Density (nV/√Hz) 13 typ  
PSRR Min (dB) 65  
CMRR Min (dB) 65  
Vos/Ta (uV/°C) 2 typ  
Ib (pA) 1 typ  
Rail-to-Rail Output  
Slew Rate V/uS 1 typ  
Operating Temperature (°C) -40 to 85  
Package ESON8