LTC2335-18
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LTC2335-18

18-Bit, 1Msps 8-Channel Differential ±10.24V Input SoftSpan ADC with Wide Input Common Mode Range

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Part Details
Part Models 3
1ku List Price Starting From $22.31
Features
  • 1Msps Throughput
  • ±3LSB INL (Maximum, ±10.24V Range)
  • Guaranteed 18-Bit, No Missing Codes
  • Differential, Wide Common Mode Range Inputs
  • 8-Channel Multiplexer with SoftSpan Input Ranges:
    • ±10.24V, 0V to 10.24V, ±5.12V, 0V to 5.12V
    • ±12.5V, 0V to 12.5V, ±6.25V, 0V to 6.25V
  • 96.7dB Single-Conversion SNR (Typical)
  • −109dB THD (Typical) at fIN = 2kHz
  • 118dB CMRR, 125dB Active Crosstalk (Typical)
  • Rail-to-Rail Input Overdrive Tolerance
  • Programmable Sequencer with No-Latency Control
  • Guaranteed Operation to 125°C
  • Integrated Reference and Buffer (4.096V)
  • SPI CMOS (1.8V to 5V) and LVDS Serial I/O
  • No Pipeline Delay, No Cycle Latency
  • 180mW Power Dissipation (Typical)
  • 48-Lead (7mm × 7mm) LQFP Package
Additional Details
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The LTC2335-18 is an 18-bit, low noise 8-channel multiplexed successive approximation register (SAR) ADC with differential, wide common mode range inputs. Operating from a 5V low voltage supply, flexible high voltage supplies, and using the internal reference and buffer, this SoftSpan ADC can be configured on a conversion-by-conversion basis to accept ±10.24V, 0V to 10.24V, ±5.12V, or 0V to 5.12V signals on any channel. Alternately, the ADC may be programmed to cycle through a sequence of channels and ranges without further user intervention.

The wide input common mode range and 118dB CMRR of the LTC2335-18 analog inputs allow the ADC to directly digitize a variety of signals, simplifying signal chain design. This input signal flexibility, combined with ±3LSB INL, no missing codes at 18 bits, and 96.7dB SNR, makes the LTC2335-18 an ideal choice for many high voltage applications requiring wide dynamic range.

The LTC2335-18 supports pin-selectable SPI CMOS (1.8V to 5V) and LVDS serial interfaces.

Applications

  • Programmable Logic Controllers
  • Industrial Process Control
  • Power Line Monitoring
  • Test and Measurement
Part Models 3
1ku List Price Starting From $22.31

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Documentation

Documentation

Part Model Pin/Package Drawing Documentation CAD Symbols, Footprints, and 3D Models
LTC2335CLX-18#PBF
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LTC2335HLX-18#PBF
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LTC2335ILX-18#PBF
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Product Lifecycle

PCN

Apr 6, 2021

- 21_0046

Transfer of LQFP and LQFP_EP from AEM to AET

LTC2335CLX-18#PBF

PRODUCTION

LTC2335HLX-18#PBF

PRODUCTION

LTC2335ILX-18#PBF

PRODUCTION

Filter by Model

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Part Models

Product Lifecycle

PCN

Apr 6, 2021

- 21_0046

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Transfer of LQFP and LQFP_EP from AEM to AET

LTC2335CLX-18#PBF

PRODUCTION

LTC2335HLX-18#PBF

PRODUCTION

LTC2335ILX-18#PBF

PRODUCTION

Software & Part Ecosystem

Software & Part Ecosystem

 
LinearLab Tools
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A collection of Matlab and Python programs that provide direct access to Linear Technology’s data converter evaluation boards.

 
DC2412A CPLD Source Code
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Evaluation Kit

Evaluation Kits 1

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DC2412A-A

LTC2335-18 Demo Board | Octal, 18-Bit, 1Msps Multiplexed Input SAR ADC (requires DC590, DC2026 or DC890)

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DC2412A-A

LTC2335-18 Demo Board | Octal, 18-Bit, 1Msps Multiplexed Input SAR ADC (requires DC590, DC2026 or DC890)

LTC2335-18 Demo Board | Octal, 18-Bit, 1Msps Multiplexed Input SAR ADC (requires DC590, DC2026 or DC890)

Product Detail

Demonstration circuit 2412A shows the proper way to drive the LTC2335 ADC. The LTC2335 is a low noise, high speed, 8-channel 16-/18-bit successive approximation register (SAR) ADC. The LTC2335 has a flexible SoftSpan™ interface that allows conversion-by-conversion control of the input voltage span on a per-channel basis. An internal 2.048V reference and 2× buffer simplify basic operation while an external reference can be used to increase the input range and the SNR of the ADC.

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