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CJ135 | Control and amplifier circuit for wide range oxygen sensors

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CJ135

Increased accuracy
especially in the lean region - the sensor resistance is measured and regulated to keep sensor temperature at a constant level

CJ135 is a control and amplifier circuit for the wide range oxygen sensors by Bosch, NTK or DENSO.

CJ135 supports the continuous regulation of Lambda in the range of ʎ= 0.65 to ∞ (air).

Benefits

Pump current control and measurement

Lambda measurement result via SPI interface

Nernst cell reference voltage source

Technical Features
Type
Oxygen sensor control & evaluation IC
Package
TQFP32ePad
Features
  • Lambda measurement
  • Probe temperature measurement
  • SPI-programmable controls
  • Diagnostic features
Oxgen sensor type
  • Bosch LSU5.2 / 4.9 / ADV
  • NTK ZFAS-U2 / U3
  • Denso Plus 5 / 6
Interface
SPI
Tj min [°C]
-40°C
Tj max [°C]
150°C
  • TQFP_32ePad (7 × 7 mm)
    TQFP_32ePad (7 × 7 mm)

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