National Semiconductor ADC12DC105CISQE

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Product attributes Property Value
Manufacturer National Semiconductor
Product Series
Packaging Bulk |
Number of Bits 12
Sampling Rate (Per Second) 105M
Number of Inputs 2
Input Type Differential
Data Interface Parallel
Configuration S/H-ADC
Ratio - S/H:ADC 1:1
Number of A/D Converters 2
Architecture Pipelined
Reference Type External, Internal
Voltage - Supply, Analog 2.7V ~ 3.6V
Voltage - Supply, Digital 2.4V ~ 3.6V
Features Simultaneous Sampling
Operating Temperature -45°C ~ 85°C
Mounting Type Surface Mount
Grade -
Qualification -
Package / Case 60-WFQFN Exposed Pad
Supplier Device Package 60-WQFN (9x9)

The ADC12DC105CISQE from National Semiconductor is a high-performance 12-bit, dual-channel analog-to-digital converter engineered for demanding high-speed applications. It features a sampling rate of 105M SPS and a parallel interface, enabling rapid data transfer to FPGAs or DSPs. The S/H-ADC architecture ensures precise sampling of fast signals, while the flexible external or internal reference options provide design versatility. Housed in a compact 60-WFQFN package, it operates over a wide temperature range of -45°C to 85°C. This ADC is ideal for communications, radar, and advanced test equipment where speed and dual-channel capability are essential.

  • Dual-Channel Simultaneous Sampling: Two 12-bit ADCs in one package enable I/Q or stereo signal processing without phase mismatch.
  • Ultra-High Speed: 105M SPS sampling rate captures fast transient signals for high-bandwidth applications.
  • Wide Temperature Range: -45°C to 85°C operation ensures reliability in extreme environments.
  • Compact Package: 60-WFQFN with exposed pad aids thermal dissipation and saves board space.

High-Speed Communications

The 105M SPS sampling rate and dual channels make it ideal for I/Q demodulation in software-defined radios and base stations.

Radar Systems

Simultaneous sampling of I and Q signals enables accurate phase and amplitude detection in phased-array radar.

Medical Imaging

High-speed dual-channel conversion supports ultrasound beamforming and MRI signal processing.

Test and Measurement Equipment

This ADC is perfect for high-bandwidth oscilloscopes and spectrum analyzers requiring fast, accurate digitization.

Military and Aerospace

The wide -45°C to 85°C range and high-speed performance suit defense electronics and avionics.

High-Energy Physics

Dual-channel, 12-bit conversion at 105M SPS is used in particle detectors for precise timing and amplitude measurements.

Q: What is the ADC12DC105CISQE?
A: It is a 12-bit, dual-channel analog-to-digital converter with a parallel interface and S/H-ADC architecture.
Q: What is the resolution?
A: It provides 12-bit resolution, delivering 4096 levels for high-fidelity signal conversion.
Q: What is the maximum sampling rate?
A: The ADC12DC105CISQE supports a high-speed sampling rate of 105M SPS.
Q: How many channels does it have?
A: It has 2 input channels, enabling simultaneous sampling of two signals.
Q: What reference options are available?
A: It supports both external and internal reference voltages for flexible system design.
Q: What is the package type?
A: It comes in a 60-WFQFN Exposed Pad package and operates from -45°C to 85°C.
Base Product Number : ADC12DC105
105M SPS 12-bit ADC ADC12DC105 Analog-to-Digital Converter Dual-Channel High-Speed Parallel WFQFN-60
Q: What is the ADC12DC105CISQE?
A: It is a 12-bit, dual-channel analog-to-digital converter with a parallel interface and S/H-ADC architecture.
Q: What is the resolution?
A: It provides 12-bit resolution, delivering 4096 levels for high-fidelity signal conversion.
Q: What is the maximum sampling rate?
A: The ADC12DC105CISQE supports a high-speed sampling rate of 105M SPS.
Q: How many channels does it have?
A: It has 2 input channels, enabling simultaneous sampling of two signals.
Q: What reference options are available?
A: It supports both external and internal reference voltages for flexible system design.
Q: What is the package type?
A: It comes in a 60-WFQFN Exposed Pad package and operates from -45°C to 85°C.