FEATURES
n Up to 2 Differential or 4 Single-Ended Inputs n Easy Drive Technology Enables Rail-to-Rail Inputs with Zero Differential Input Current n Directly Digitizes High Impedance Sensors with Full Accuracy n 600nV RMS Noise (0.02LSB Transition Noise) n GND to VCC Input/Reference Common Mode Range n Simultaneous 50Hz/60Hz Rejection n 2ppm INL, No Missing Codes n 1ppm Offset and 15ppm Full-Scale Error n No Latency: Digital Filter Settles in a Single Cycle, Even After a New Channel is Selected n Single Supply 2.7V to 5.5V Operation (0.8mW) n Internal Oscillator n Tiny 4mm × 3mm DFN Package APPLICATIONS
n Direct Sensor Digitizer n Direct Temperature Measurement n Instrumentation n Industrial Process Control LTC2488 16-Bit 2-/4-Channel ΔS ADC with Easy Drive Input Current Cancellation DESCRIPTION
The LTC®2488 is a 4-channel (2-channel differential), 16‑bit, No Latency DS™ ADC with Easy Drive™ technology. The patented sampling scheme eliminates dynamic input current errors and the shortcomings of on-chip buffering through automatic cancellation of differential input current.