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LTC2439-1

Features: ` 16-Channel Single-Ended or 8-Channel Differential Inputs` Low Supply Current (200A, 4A in Autosleep)` Rail-to-Rail Differential Input/Reference` 16-Bit No Missing Codes` 1V RMS Noise, 16-ENOBS Independent of VREF`Very Low Transition Noise: Less Than 0.02LSB` Operates with a Reference a...

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SeekIC No. : 004402079 Detail

LTC2439-1: Features: ` 16-Channel Single-Ended or 8-Channel Differential Inputs` Low Supply Current (200A, 4A in Autosleep)` Rail-to-Rail Differential Input/Reference` 16-Bit No Missing Codes` 1V RMS Noise, 16...

LTC2439-1 Data Sheet

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Part Number:
LTC2439-1
Supply Ability:
5000

Price Break

  • Qty
  • 1~5000
  • Unit Price
  • Negotiable
  • Processing time
  • 15 Days
Total Cost: $ 0.00

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Product Details

Description



Features:

` 16-Channel Single-Ended or 8-Channel Differential Inputs
` Low Supply Current (200A, 4A in Autosleep)
` Rail-to-Rail Differential Input/Reference
` 16-Bit No Missing Codes
` 1V RMS Noise, 16-ENOBS Independent of VREF
`Very Low Transition Noise: Less Than 0.02LSB
` Operates with a Reference as Low as 100mV with 1.5V LSB Step Size
`Guaranteed Modulator Stability and Lock-Up Immunity for Any Input and Reference Conditions
` Single Supply 2.7V to 5.5V Operation
` Internal Oscillator-No External Components Required
` 87dB Min, 50Hz and 60Hz Simultaneous Notch Filter
` Pin Compatible with the 24-Bit LTC2418
`28-Lead SSOP Package


Application

· Direct Sensor Digitizer
· Weight Scales
· Direct Temperature Measurement
· Gas Analyzers
· Strain Gauge Transducers
· Instrumentation
· Data Acquisition
· Industrial Process Control


Pinout

Connection Diagram


Specifications

Supply Voltage (VCC) to GND .........................0.3V to 7V
Analog Input Voltage to GND ........ 0.3V to (VCC + 0.3V)
Reference Input Voltage to GND .. ..0.3V to (VCC + 0.3V)
Digital Input Voltage to GND ...........0.3V to (VCC + 0.3V)
Digital Output Voltage to GND ........ 0.3V to (VCC + 0.3V)
Operating Temperature Range
    LTC2439-1C ................................................. 0 to 70
    LTC2439-1I ............................................. 40 to 85
Storage Temperature Range ..................... 65 to 150
Lead Temperature (Soldering, 10 sec)...................... 300


Description

The LTC®2439-1 is a 16-channel (8-differential) micropower 16-bit analog-to-digital converter. It operates from 2.7V to 5.5V and includes an integrated oscillator, 0.12LSB INL and 1V RMS noise. It uses deltasigma technology and provides single cycle settling time for multiplexed applications. Through a single pin, the LTC2439-1 can be configured for better than 87dB differential mode rejection at 50Hz and 60Hz ±2%, or it can be driven by an external oscillator for a user-defined rejection frequency. The internal oscillator requires no external frequency setting components.

The LTC2439-1 accepts any external differential reference voltage from 0.1V to VCC for flexible ratiometric and remote
sensing measurement applications. It can be configured to take 8 differential channels or 16 single-ended channels. The full-scale bipolar input range is from 0.5VREF to 0.5VREF. The reference common mode voltage, VREFCM, and the input common mode voltage, VINCM, may be independently set between GND and VCC. The DC common mode input rejection is better than 140dB.

The LTC2439-1 communicates through a flexible 4-wire digital interface that is compatible with SPI and MICROWIRETM protocols.




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