Kitchen Scales -- HT67F5640

Kitchen Scales
HT67F5640
Characteristics
 Rated Range : 6000g
 Division Value : 1D = 1g
 Minimum Weight : 2g
 Unit conversion : g/lb
 Low voltage detect : If a low voltage is detected, a low voltage symbol will be
displayed
 Overload indication : When the load exceeds the rated range, display “oL”
 Tare Zero / Tare range : 6000g
 Tare Zero / Tare Beyond Tip : “Err”
 Operating Current : Weighing mode ≤ 2mA (not including sensor)
 Supply Voltage : 3V
 LCD display : 4 COMs, 11 SEGs
 Calibration Mode : Zero, 2000g, 4000g, 6000g calibration points
Application Areas
Block Diagram
Sensor
KEY
CTM*1
PTM*2
Sensor PGA
circuit
Flash
Programming
EEPROM
20-bit ADC
DATA
Processing
Regulator
LCD Driver
VDD
LCD
Application Circuit
I/O