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The LTC2344IUH-18 is an 18-bit, low noise, 4-channel simultaneous sampling successive approximation register (SAR) ADC with differential, wide common mode range inputs. The SoftSpan™ ADC operates from a 5V power supply and uses an internal reference and buffer, and each channel can be independently configured in a "switch-by-switch" fashion to accept ±4.096V, 0V to 4.096V, ±2.048V, or 0V to 2.048V signals. Additionally, individual channels can be deactivated to increase the throughput of the remaining channels.

The wide input common-mode range and 102dB CMRR of the LTC2344IUH-18 analogue inputs enable the ADC to directly digitise a wide range of signals, simplifying signal link design. This input signal flexibility, combined with ±4LSB INL, lossless code (at 18 bits), and 95dB SNR, makes the LTC2344-18 well suited for many applications requiring wide dynamic range.

The LTC2344IUH-18 supports pin-selectable SPI CMOS (1.8V to 5V) and LVDS serial interfaces. One to four data output channels can be used in CMOS mode, allowing the user to optimise bus width and throughput.

Features

400ksps throughput rate per channel

4 simultaneous sampling channels

±4LSB INL (maximum, ±4.096V range)

Guaranteed 18-bit, lossless code

Differential, wide common-mode range inputs

SoftSpan input range per channel:

±4.096V, 0V to 4.096V, ±2.048V, 0V to 2.048V

±5V, 0V to 5V, ±2.5V, 0V to 2.5V

95dB Single Conversion SNR (typical)

-114dB THD at fIN = 2kHz (typical)

102dB CMRR at fIN = 200Hz (typical)

Rail-to-rail input overdrive tolerance

Guaranteed operation to 125°C

Integrated reference and buffer (4.096V)

SPI CMOS (1.8V to 5V) and LVDS serial I/O

Internal conversion clock with no cycle delay

81mW power dissipation (typical)

32-pin (5mm x 5mm) QFN package

Product Applications

Programmable logic controllers

Industrial process control

Medical imaging

High-speed data acquisition

• 1.Is the inventory and price seen on the platform accurate?

  A: all online goods on the shelves can be ordered online, but considering the large liquidity of spot inventory, it is not possible to achieve 100% accuracy at present. In case of any abnormality, you can contact our company online and give the corresponding solution.

• 2.Are all our products genuine?

  A: our self-supporting products are from cooperative domestic and foreign original factories or authorized agents, and the source can be traced to ensure the original and authentic products.

• 3.Can you provide the qualification certificate of the original factory or agent?

  A: at present, our self-employed brands TI，ST，ADI，NXP，LATTICE，CYPRESS，INFINEON，XILINX and other first-line brands. Other channels are the original factory and agency channels. If necessary, we can communicate and confirm according to the specific brand and model.

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• 5.When can I deliver the goods after placing an order? How long will it take to get there?

  A: the delivery date is marked in most commodity information. You can estimate the delivery time of the commodity according to the delivery date. The specific arrival time depends on the warehouse where the commodity is located and the logistics mode you choose.

• 6.Can the company issue an invoice?

  A: you can issue ordinary invoices for individual users or special VAT invoices for enterprise users.