The HCPL-2731/0731 have a 400% minimum CTR at an input current of only 0.5 mA making it ideal for use in low input current application, such as MOS, CMOS, and low-power logic interfacing or RS232C data transmission systems. In addition, the high CTR and high output current capability make this device extremely useful in applications where a high fanout is required. Compatibility with high-voltage CMOS logic systems is guaranteed by the 18V VCC and VO specifications and by testing output high leakage (IOH) at 18V. The HCPL-2730/0730 are specified at an input current of 1.6 mA and have a 7V VCC and VO rating. The 300% minimum CTR allows TTL to TTL interfacing at this input current. Important specifications, such as CTR, leakage current, and output saturation voltage, are guaranteed over the 0°C to 70°C temperature range to allow trouble-free system operation. Selection for lower input currents down to 250 µA is available upon request.
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