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LTC2421/LTC2422 1-/2-Channel 20-Bit µPower No Latency ∆ΣTMADCs in MSOP-10
FEATURES
DESCRIPTIO
s 20-Bit ADCs in Tiny MSOP-10 Packages s 1- or 2-Channel Inputs s Single Supply 2.7V to 5.5V Operation s Low Supply Current (200µA) and Auto Shutdown s Automatic Channel Selection (Ping-Pong) (LTC2422) s No Latency: Digital Filter Settles in a
Single Conversion Cycle s 8ppm INL, No Missing Codes s 4ppm Full-Scale Error s 0.5ppm Offset s 1.2ppm Noise s Zero Scale and Full Scale Set for Reference
and Ground Sensing s Internal Oscillator—No External Components Required s 110dB Min, 50Hz/60Hz Notch Filter s Reference Input Voltage: 0.1V to VCC s Live Zero—Extended Input Range Accommodates
12.
LTC2421 Datasheet
