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LTC2486

Linear Integrated Systems
Part Number LTC2486
Manufacturer Linear Integrated Systems
Description No Latency ADC
Published Mar 26, 2007
Detailed Description www.DataSheet4U.com FEATURES ■ ■ ■ ■ ■ ■ ■ ■ ■ ■ ■ ■ ■ ■ ■ LTC2486 16-Bit 2-/4-Channel ΔΣ ADC with PGA and Easy Drive ...
Datasheet PDF File LTC2486 PDF File

LTC2486
LTC2486

Overview
www.
DataSheet4U.
com FEATURES ■ ■ ■ ■ ■ ■ ■ ■ ■ ■ ■ ■ ■ ■ ■ LTC2486 16-Bit 2-/4-Channel ΔΣ ADC with PGA and Easy Drive Input Current Cancellation DESCRIPTION The LTC®2486 is a 4-channel (2-channel differential), 16-bit, No Latency ΔΣ™ 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.
This allows large external source impedances and rail-torail input signals to be directly digitized while maintaining exceptional DC accuracy.
The LTC2486 includes programmable gain, a high accuracy temperature sensor, and an integrated oscillator.
This device can be configured to measure an external signal (from combinations of 4 analog input channels operating in single ended or differential modes) or its internal temperature sensor.
It can be programmed to reject line frequencies of 50Hz, 60Hz, or simultaneous 50Hz/60Hz, provide a programmable gain from 1 to 256 in 8 steps, and configured to double its output rate.
The integrated temperature sensor offers 1/2°C resolution and 2°C absolute accuracy.
The LTC2486 allows a wide common mode input range (0V to VCC), independent of the reference voltage.
Any combination of single-ended or differential inputs can be selected and the first conversion after a new channel selection is valid.
, LT, LTC and LTM are registered trademarks of Linear Technology Corporation.
No Latency ∆Σ and Easy Drive are trademarks of Linear Technology Corporation.
All other trademarks are the property of their respective owners.
Up to 2 Differential or 4 Single-Ended Inputs Easy Drive Technology Enables Rail-to-Rail Inputs with Zero Differential Input Current Directly Digitizes High Impedance Sensors with Full Accuracy 600nV RMS Noise Programmable Gain from 1 to 256 Integrated High Accuracy Temperature Sensor GND to VCC Input/Reference Common Mode Range Programmable 50Hz, 60Hz, or Simultaneous 50Hz/60Hz Rejectio...


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