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HCPL-7520-060E 数据表(PDF) 1 Page - AVAGO TECHNOLOGIES LIMITED |
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HCPL-7520-060E 数据表(HTML) 1 Page - AVAGO TECHNOLOGIES LIMITED |
1 / 16 page Description The HCPL-7520 isolated linear current sensing IC family is designed for current sensing in low-power electronic motor drives. In a typical implementation, motor current flows through an external resistor and the resulting analog voltage drop is sensed by the HCPL-7520. An output voltage is created on the other side of the HCPL- 7520 optical isolation barrier. This single-ended output voltage is proportional to the motor current. Since common-mode voltage swings of several hundred volts in tens of nanoseconds are common in modern switching inverter motor drives, the HCPL-7520 was designed to ignore very high common-mode transient slew rates (of at least 10 kV/µs). The high CMR capability of the HCPL-7520 isolation amplifier provides the precision and stability needed to accurately monitor motor current in high noise motor control environments, providing for smoother control (less “torque ripple”) in various types of motor control applications. The product can also be used for general analog signal isolation applications. For general applications, we recommend the HCPL-7520 (gain tolerance of ±5%). The HCPL-7520 utilizes sigma-delta ( Σ−∆) analog-to- digital converter technology to delivery offset and gain accuracy and stability over time and temperature. This performance is delivered in a compact, auto-insert, 8- pin DIP package that meets worldwide regulatory safety standards. (A gull-wing surface mount option 300 is also available). Features • 15 kV/µs common-mode rejection at Vcm = 1000 V • Compact, auto-insertable 8-pin DIP package • 60 ppm/°C gain drift vs. temperature • –0.6 mV input offset voltage • 8 µV/°C input offset voltage vs. temperature • 100 kHz bandwidth • 0.06% non-linearity, single-ended amplifier output for low power application. • Worldwide safety approval: UL 1577 (3750 Vrms/1 min.), CSA and IEC/EN/DIN EN 60747-5-2 (Option 060 only) • Advanced sigma-delta ( Σ−∆) A/D converter technology Applications • Low-power inverter current sensing • Motor phase and rail current sensing • Switched mode power supply signal isolation • General purpose low-power current sensing and monitoring • General purpose analog signal isolation Functional Diagram CAUTION: It is advised that normal static precautions be taken in handling and assembly of this component to prevent damage and /or degradation which may be induced by ESD. 1 2 3 4 8 7 6 5 IDD1 VDD1 VIN+ VIN– GND1 IDD2 VDD2 VOUT VREF GND2 + – + – SHIELD HCPL-7520 Isolated Linear Sensing IC Data Sheet A 0.1 µF bypass capacitor must be connected between pins 1 and 4 and between pins 5 and 8. Lead (Pb) Free RoHS 6 fully compliant RoHS 6 fully compliant options available; -xxxE denotes a lead-free product |
类似零件编号 - HCPL-7520-060E |
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类似说明 - HCPL-7520-060E |
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