The special advanced chip with a high set of high- intensity bridge pressure sensors that meet the AEC- Q100 standard, with 24-bit ADC for input voltage detection, high-precision 1x ~ 256x variable gain meter amplification, up to 8 t imes digital gain, low temperature drifting 16-bit DAC, built-in MCU-based universal sensor calibration logic, EEPROM can program many times, cost-effective; multi-pressure scale and electrical output; compact structure , low cost; good electrical performance; excellent waterproof hammer design; with good long-term stability.