FEATURES: ● with metal shielding, anti-jamming, reserve cpu (STC15F104) position, can upgrade their own secondary development.
● two selectable differential inputs
within ● programmable-chip low noise amplifier, a gain of 32, 64 and the optional 128
● On-chip voltage regulator supplies power directly to the external sensor and on-chip A / D converter
in the chip clock ● without any external oscillator device, if necessary, may also be used an external crystal or clock
● automatic power-on reset circuit
● simple digital control and serial communication: All are controlled by input pins, the chip registers without programming
● selectable 10Hz or 80Hz of the output data rate
● simultaneous rejection of 50Hz and 60Hz power interference
● power consumption (including power supply circuit):
typical operating current: <1.7mA, shutdown current: <1uA
● Operating voltage range: 2.6 ~ 5.5V
● Operating temperature range: -20 ~ + 85 ℃ |
