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HCPL-7800 Isolation Amplifier Family
Designed for current sensing in electronic motor drives with high precision and stability.
- Common-Mode Rejection: 15 kV/µs at VCM = 1000 V
- Package: Compact, Auto-Insertable 8-pin DIP
- Gain Drift vs. Temperature: 0.00025 V/V/°C
- Input Offset Voltage: 0.3 mV
Top Features:
- 15 kV/µs CMR at VCM = 1000 V
- Compact 8-pin DIP Package
- 0.00025 V/V/°C Gain Drift
- 100 kHz Bandwidth
The HCPL-7800 isolation amplifier ignores high common-mode transient slew rates found in modern motor drives, ensuring precise monitoring of motor current. It delivers unmatched noise rejection, offset, and gain accuracy, utilizing sigma-delta A/D converter technology and a fully differential circuit.
For general applications, HCPL-7800 (±3% gain tolerance) is recommended, while HCPL-7800 with ±1% gain tolerance suits precision needs. This industry-standard product meets worldwide safety standards, offering stability over time and temperature.
Applications:
- Motor Phase and Rail Current Sensing
- Inverter Current Sensing
- Switched Mode Power Supply Signal Isolation
- General Purpose Current Sensing and Monitoring
Specifications:
- Storage Temperature: -55 to 125 °C
- Operating Temperature: -40 to 100 °C
- Supply Voltage: 0 to 5.5 V
- Steady-State Input Voltage: -2 to VDD1 +0.5 V
- Second Transient Input Voltage: -6 V
- Output Voltage: -0.5 to VDD2 +0.5 V
Related Document: HCPL-7500 SMD Data Sheet
Images are for illustration only; actual product may vary.