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DDC118IRTCT AI Analysis:
Datasheet, Specs, Alternatives & ECAD

AI summary

DDC118IRTCT product

DDC118IRTCT

Analog to Digital Converters (ADC)

20-bit ADC8-channelcurrent inputswitched integratorphotodiode interfaceVQFN-48

DDC118IRTCT is a precision 8-channel current-input ADC intended for direct digitization of low-level sensor currents, with programmable charge range and continuous dual-integrator operation.

Best for

  • Multi-channel photodiode measurement
  • Low-level current acquisition
  • Precision sensor data acquisition

Avoid if

  • The application requires voltage-input ADC channels
  • A simple low-resolution ADC is sufficient
  • The PCB cannot control leakage and digital coupling near inputs

Check before use

  • Verify input current and charge range against the selected integration time
  • Provide a stable low-noise external reference
  • Confirm serial readout timing does not overlap CONV transitions

Key specifications

Channels
8 current inputs
Resolution
20-bit selectable output
Charge range
12 pC to 350 pC
Data rate
Up to 3.125 kSPS
Package
48-pin VQFN, 7 mm × 7 mm × 0.9 mm max

Compliance & Environment

RoHS
ROHS3 Compliant
REACH
-
MSL
Level-3-260C-168 HR
ECCN
-
HTSUS
-

Application

Photodiode sensor arraysCT scanner data acquisitionInfrared pyrometers

Datasheet

Texas-Instruments-company-64.pdf

800 KB

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CAD Models

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3D Model
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Where to Buy

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Alternative components

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Design and risk insights

Questions & answers

DDC118IRTCT is a Texas Instruments octal current-input analog-to-digital converter. It combines eight dual switched-integrator front ends with 20-bit conversion and serial data output.