CA-IS1300B25G

The CA-IS1300x devices are high-precision isolated amplifiers and optimized for shunt-resistor-based current sensing. Low offset and gain error and drift guarantee that measuring accuracy is maintained over the entire operating temperature range. The CA-IS1300x devices utilize silicon oxide (SiO₂) isolation barriers and support up to 5-kV_RMS galvanic isolation per UL 1577. This technology separates high- and low-voltage domain to protect lower-voltage parts from damage and provides low emissions as well as strong anti-interference capability from magnetic changes. The high common-mode transient immunity (CMTI) means that the CA-IS1300x devices transmit correct signals through isolation barriers and are suitable for industrial motor controls and drives which require high-voltage and high-power switching. The internal input common-mode overvoltage and missing highside supply voltage detection functions contribute to fault diagnostics and system safety. The CA-IS1300x series provide two input voltage range options and the smaller rank (±50 mV) allows significant reduction of the power dissipation through the shunt resistor. The CA-IS1300x devices are packaged in wide body, 8-pin SOIC packages and specified over the extended industrial temperature range of -40°C to 125°C.

Applications

• Industrial Motor Controls and Drives
• Isolated Switch Mode Supplies
• Uninterruptible Power Supplies

Key features

• Differential Input Voltage Range: ±50 mV or ±250 mV
• Low Input Offset and Drift: CA-IS1300G05: ±0.1 mV (max) at 25°C, ±1 μV/°C (max); CA-IS1300G25: ±1 mV (max) at 25°C, ±4 μV/°C (max); CA-IS1300B25: ±0.2 mV (max) at 25°C, ±4 μV/°C (max)
• Low Gain Error and Drift: CA-IS1300G05: ±0.3% (max) at 25°C, ±50 ppm/°C (max); CA-IS1300G25: ±0.5% (max) at 25°C, ±50 ppm/°C (max); CA-IS1300B25: ±0.3% (max) at 25°C, ±50 ppm/°C (max)
• Low Nonlinearity and Drift: 0.01% (typ) for Full Scale, ±1 ppm/°C (typ)
• 3.3-V or 5-V Operation for Both High- and Low-Side
• High CMTI: ±150 kV/μs (typ)
• Wide Operating Temperature Range: -40°C to 125°C
• Safety-Related Certifications (Pending): 7070-V_PK Isolation per DIN V VDE V 0884-11 (VDE V 0884-11): 2017-01; 5-kV_RMS Isolation for 1 Minute per UL 1577; CQC and TUV Certification Approvals
• >40-year Life at Rated Working Voltage