Specifications:
1. Isolation voltage: Greater than 3000 V
2. Input current: 50 mA (MAX)
3. Operating current: Greater than 1 mA
4. Maximum output current: 50 mA (when the input voltage is within the range of 15–20 mA)
5. Operating temperature: –55°C to 110°C
6. Maximum signal frequency: 80 kHz