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LTC2424

Features: ` Pin Compatible 4-/8-Channel 20-Bit ADCs` 8ppm INL, No Missing Codes at 20 Bits` 4ppm Full-Scale Error and 0.5ppm Offset` 1.2ppm Noise` Digital Filter Settles in a Single Cycle. Each Conversion is Accurate, Even After Changing Channels` Fast Mode: 16-Bit Noise, 12-Bit TUE at 100sps` Int...

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SeekIC No. : 004402071 Detail

LTC2424: Features: ` Pin Compatible 4-/8-Channel 20-Bit ADCs` 8ppm INL, No Missing Codes at 20 Bits` 4ppm Full-Scale Error and 0.5ppm Offset` 1.2ppm Noise` Digital Filter Settles in a Single Cycle. Each Conv...

LTC2424 Data Sheet

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Part Number:
LTC2424
Supply Ability:
5000

Price Break

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

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Upload time: 2024/11/21

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Product Details

Description



Features:

` Pin Compatible 4-/8-Channel 20-Bit ADCs
` 8ppm INL, No Missing Codes at 20 Bits
` 4ppm Full-Scale Error and 0.5ppm Offset
` 1.2ppm Noise
` Digital Filter Settles in a Single Cycle. Each Conversion is Accurate, Even After Changing Channels
` Fast Mode: 16-Bit Noise, 12-Bit TUE at 100sps
` Internal Oscillator-No External Components Required
` 110dB Min, 50Hz/60Hz Notch Filter
` Reference Input Voltage: 0.1V to VCC
` Live Zero-Extended Input Range Accommodates 12.5% Overrange and Underrange
` Single Supply 2.7V to 5.5V Operation
` Low Supply Current (200A) and Auto Shutdown
` Can Be Interchanged with 24-Bit LTC2404/LTC2408 if ZSSET Pin is Grounded


Application

· Weight Scales
· Direct Temperature Measurement
· Gas Analyzers
· Strain-Gage Transducers
· Instrumentation
· Data Acquisition
· Industrial Process Control
· 4-Digit DVMs


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
    LTC2424C/LTC2428C ................................... 0 to 70
    LTC2424I/LTC2428I ................................ 40 to 85
Storage Temperature Range ..................... 65 to 150
Lead Temperature (Soldering, 10 sec)...................... 300


Description

The LTC®2424/LTC2428 are 4-/8-channel 2.7V to 5.5V micropower 20-bit A/D converters with an integrated oscillator, 8ppm INL and 1.2ppm RMS noise. They use delta-sigma technology and provide single cycle digital filter settling time (no latency delay) for multiplexed applications. The first conversion after the channel is changed is always valid. Through a single pin the LTC2424/ LTC2428 can be configured for better than 110dB rejection at 50Hz or 60Hz ±2%, or can be driven by an external oscillator for a user defined rejection frequency in the range 1Hz to 800Hz. The internal oscillator requires no external frequency setting components.

The converters accept any external reference voltage from 0.1V to VCC. With their extended input conversion range of 12.5% VREF to 112.5% VREF (VREF = FSSET ZSSET) the LTC2424/LTC2428 smoothly resolve the offset and overrange problems of preceding sensors or signal conditioning circuits.

The LTC2424/LTC2428 communicate through a flexible 4-wire digital interface which is compatible with SPI and MICROWIRETM protocols.





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