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ADI LTC2495IUHF#PBF product image
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ADI LTC2495IUHF#PBFRoHS

Manufacturer
ADI
MPN
LTC2495IUHF#PBF
LCSC Part #
C580564
Packaging
QFN-38-EP(5x7)
Customer #
Key Attributes
16-Bit 8/16-Channel ΔΣ ADC with PGA, Easy Drive and I2C Interface
Datasheetpdf iconADI LTC2495IUHF#PBF
In-Stock: 10
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QtyUnit PriceTotal Amount
1+$ 17.5896$ 17.59
10+$ 16.8593$ 168.59
30+$ 15.5956$ 467.87
100+$ 14.4913$ 1449.13
Standard Packaging52/Full Tube
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Products Specifications

All
TypeDescription
CategoryIntegrated Circuits (ICs)/Data Acquisition/Analog to Digital Converters (ADC)
ManufacturerADI
PackagingQFN-38-EP(5x7)
Operating Temperature-40℃~+85℃
Voltage ReferenceExternal
Clock/OscillatorBuilt-in;External
Clock Frequency307.2kHz;10kHz~1MHz
FeaturesBipolar input;Built-in temperature sensor;Multiplexers;Auto calibration;Power-on reset
InterfaceI2C
Quiescent Current (Iq)1uA
Resolution(Bits)16;7.5Hz;15Hz
Voltage - Supply2.7V~5.5V
Number of Channels8
ADC architectureSigma-Delta
Programmable GainSupport
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Introduction

AI Translation

The LTC2495 is a 16-channel (eight differential), 16-bit, No Latency ΔΣTM ADC with Easy Drive technology and a 2-wire, I2C interface. 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-to-rail input signals to be directly digitized while maintaining exceptional DC accuracy. The LTC2495 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 16 analog input channels operating in single-ended or differential modes) or its internal temperature sensor. The integrated temperature sensor offers 1/2℃ resolution and 2℃ absolute accuracy. The LTC2495 can be configured to provide a programmable gain from 1 to 256 in 8 steps. The LTC2495 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 is selected, is valid. Access to the multiplexer output enables optional external amplifiers to be shared between all analog inputs and auto calibration continuously removes their associated offset and drift.

Features

AI Translation
  • Up to Eight Differential or 16 Single-Ended Inputs
  • Easy DriveTM Technology Enables Rail-to-Rail Inputs with Zero Differential Input Current
  • Directly Digitizes High Impedance Sensors with Full Accuracy
  • 2-Wire I2C Interface with 27 Addresses Plus One Global Address for Synchronization
  • 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 Rejection Mode
  • 2ppm INL, No Missing Codes
  • 1ppm Offset and 15ppm Full-Scale Error
  • 2x Speed/Reduced Power Mode (15Hz Using Internal Oscillator and 80µA at 7.5Hz Output)
  • No Latency: Digital Filter Settles in a Single Cycle, Even After a New Channel is Selected
  • Single Supply 2.7V to 5.5V Operation (0.8mW)
  • Internal Oscillator
  • Tiny 5mm x 7mm QFN Package

Applications

AI Translation
  • Direct Sensor Digitizer
  • Direct Temperature Measurement
  • Instrumentation
  • Industrial Process Control