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Product Specification Section
Pricing Section

Stock: 2,679

On Order: 0
Factory Stock:Factory Stock: 0
Factory Lead Time: N/A
Minimum Order: 1
Multiple Of: 1
Quantity Web Price
1 $9.62
100 $7.22
250 $6.81
500 $6.53
1,000+ $6.25


Attributes Table
Supply Voltage 4.75V to 5.25V
ESD Voltage-Max ±2kV
Supply Current 76mA
Interface SPI
Storage Temperature Range -40°C to +150°C
Features and Applications

The 0272240104 is a Integrated circuit for continuous lambda regulation with Ri measurement.

The integrated circuit CJ125 is a control and amplifier circuit for a wide range λ-Sensor LSU4.x for the continuous regulation of λ in combination with the sensor in the range of λ = 0.65... • (air).


  • Pump current control
  • Pump current sense amplifier
  • Lambda output amplifier
  • Virtual ground voltage source for sensor and pump current control
  • Nernst cell reference voltage source
  • Oscillator
  • Circuit for Ri or Rical measurement
  • Diagnostic of sensor lines
  • Diagnostic of external heater
  • Serial-Peripheral-Interface
  • Programmable reference pumping currents
  • Suppression of Ri-measurement

View the list of available CJ125 Series of Speciality Interface