OE4003 Ultra Low Noise Preamplifier
2 nV/√Hz input noise
10,20,50,100x gain
10 kΩ input impedance
Single-ended or differential input
Schematic
Input
Input Impedance 10MΩ//10pF
Voltage Input Mode Single-ended or Differential
Maximum Input Voltage 70mVrms(Overload)
Noise Performance
10Hz 16.96nV/√Hz
1kHz 3.65nV/√Hz
10kHz 2.411nV/√Hz
100kHz 2.2nV/√Hz
Coupling method AC coupling (160Hz)
Input bandwidth 200Hz~300kHz
Common mode rejection ratio 100dB(100Hz)
Gain setting 10, 20, 50, 100
Gain accuracy 2% max
Output
A Single-ended output
B Shielded ground
Maximum output voltage 7Vrms
Power Requirements 12V DC
