Description

4-Channel, I2C, Ultralow Power 12-Bit ADC in 20-Lead LFCSP/TSSOP Features: I2C-compatible serial interface supports standard and fast modes Ultralow power: 90 μW typical at 3 V in fast mode Specified for VDD of 2.7 V to 5.25 V On-chip accurate 2.5 V reference, 5 ppm/°C typical drift 4 single-ended analog input channels ALERT function BUSY function Autocycle mode Wide input bandwidth 68 dB signal-to-noise ratio (SNR) typical at input frequency of 1 kHz Flexible power/throughput rate management No pipeline delays Power-down mode 550 nA typical at VDD = 5.25 V 435 nA typical at VDD = 3 V 20-lead LFCSP and TSSOP packages Temperature range: −40°C to +125°C