High precision ADC, ENOB=19.3 bits@8sps, 4 differential or 8 single- ended inputs

Low noise, high input impedance preamplifier with selectable gain:1, 4, 8, 16, 32, 64, 128, or 256

Internal 8MHz and 32kHz RC oscillator

Two-wire communication interface, maximum speed at 1.1MHz

Built-in LED driver, provide 8 LED drive ports, maximum drive current 14mA, drive up to 56 common cathode LEDs, optional drive waveform duty cycle

Built-in sine wave generator and rectifier circuit, frequency selectable at 5kHz, 50kHz, 100kHz, or 200kHz, support four electrodes body fat measuring function

Built-in 8 bits DAC, supports two outputs

Built-in temperature sensor, support single point calibration

Hardware timing comparison measurement function

Flexible battery voltage detection: 2.0~3.3V

Built-in sensor excitation output, output voltage options: 2.4V, 2.7V, 3.0V and 3.3V

Low voltage detection and power on reset circuit

Operating voltage range: 2.4~3.6V

Operating temperature range: -40~85℃