
22 
Electrical   IS4813  IS4815 
Input Voltage: 3.3VDC ± 0.3VDC  5.0VDC ± 5% 
Power Consumption: 400 mW  350 mW 
Typical Operating Current: < 120 mA @ 3.3VDC  < 70 mA @ 5.0VDC 
Standby Current: < 30 mA @ 3.3VDC  < 15 mA @ 5.0VDC 
IS4823 IS4825
USB  TTL  USB  TTL, RS232 
Peak Operating Current: 170 mA  150 mA  135 mA  135 mA 
Idle Current: 75 mA  50 mA  72 mA  45 mA 
Sleep Current: 65 mA  5.5 mA  53 mA  15 mA 
Suspend Current (USB): 5.5 mA  N/A  0.30 mA  N/A 
Power Down Current 
  (TTL):   5.5 mA    15 mA 
See pages 33 - 36 for regulatory compliance information. 
Environmental  Operating Temperature: -0°C to 40°C (32°F to 104°F) 
Storage Temperature: -40°C to 70°C (-40°F to 158°F) 
Humidity: 5% to 95% relative humidity, non-condensing 
Vibration Protection: 7G over 10 – 500 Hz 
Specifications are subject to change without notice.