
Holtek Semiconductor
General Description
The HT7500 is a CMOS digital clinical thermometer IC for measuring body temperature in Centigrade (°C) or Fahrenheit (°F) mode by its bonding option. It also provides alarm and auto power off functions. The other electronic components are LCD display, thermister, 1.5V battery, ON/OFF switch, buzzer, resistors and capacitors.
FEATUREs
• Single-chip CMOS construction
• Single 1.5V battery operation
• Measurement range: +32.0~+42.0°C (+90.0~+108.0°F)
Measurement accuracy: ±0.1°C (±0.2°F)
Resolution: 0.1°C (0.1°F)
• Bonding option for Centigrade/Fahrenheit measurement
• Alarm warning for fever
• Highest temperature hold
• Auto power off after 8 min 40 sec
• One-key input switch for ON/OFF
• Displays last time measured temperature