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Product attributes Property Value
Manufacturer Harris Corporation
Product Series
Packaging Bulk |
Number of Bits 12
Sampling Rate (Per Second) -
Number of Inputs 2
Input Type Single Ended
Data Interface Parallel
Configuration ADC
Ratio - S/H:ADC 0:1
Number of A/D Converters 1
Architecture SAR
Reference Type External, Internal
Voltage - Supply, Analog 4.5V ~ 5.25V, ±11.4V ~ 16.5V
Voltage - Supply, Digital 4.5V ~ 5.25V, ±11.4V ~ 16.5V
Features -
Operating Temperature 0°C ~ 75°C
Mounting Type Through Hole
Grade -
Qualification -
Package / Case 28-CDIP (0.600", 15.24mm)
Supplier Device Package 28-SBDIP

The HI1-674AJD-5 from Harris Corporation is a 12-bit analog-to-digital converter featuring 2 input channels and a parallel interface for straightforward integration into digital systems. Its architecture supports both external and internal references, providing flexibility in voltage scaling. Housed in a rugged 28-pin ceramic CDIP package, this ADC operates over 0°C to 75°C, making it suitable for industrial control, data acquisition, and laboratory instrumentation where reliable 12-bit conversion is required.

  • Dual-Channel Input: Multiplex two analog signals into one ADC, reducing board space and cost compared to using two separate converters.
  • Parallel Interface: Direct connection to microprocessors without serial clocking, enabling faster data reads for time-critical applications.
  • Flexible Reference: Support for both external and internal references allows designers to optimize full-scale range for specific sensor outputs.
  • Ceramic Package Durability: The CDIP package provides superior thermal and mechanical stability for demanding industrial environments.

Industrial Process Control

The 12-bit resolution and dual-channel input make the HI1-674AJD-5 ideal for digitizing sensor signals in industrial process control, enabling precise monitoring of temperature and pressure with a parallel interface for fast data acquisition.

Data Acquisition Systems

With its parallel output and 12-bit accuracy, this ADC is well-suited for legacy data acquisition systems requiring direct connection to 8-bit or 16-bit data buses without serial conversion overhead.

Medical Instrumentation

The dual-channel capability allows simultaneous sampling of two physiological signals, such as ECG and respiration, with sufficient resolution for diagnostic-quality waveform analysis in clinical environments.

Automotive Sensor Interfaces

Although rated for 0°C to 75°C, the HI1-674AJD-5 can be used in automotive test equipment for bench testing of sensors, providing reliable parallel data transfer for engine control unit development.

Laboratory Measurement Equipment

Benchtop multimeters and precision voltmeters benefit from the 12-bit resolution and internal/external reference options, allowing calibration flexibility for accurate DC voltage measurements.

Military/Aerospace Legacy Systems

The ceramic CDIP package offers enhanced durability for aerospace test fixtures, where the parallel interface simplifies integration with existing military-grade backplane architectures.

Q: What is the resolution of the HI1-674AJD-5 ADC?
A: The HI1-674AJD-5 is a 12-bit analog-to-digital converter, providing 4096 discrete output levels.
Q: How many input channels does this ADC support?
A: It features 2 input channels, allowing for multiplexed conversion of two separate analog signals.
Q: What interface does the HI1-674AJD-5 use?
A: It uses a parallel interface for high-speed data transfer to microprocessors or DSPs.
Q: What is the architecture of this converter?
A: The architecture is based on a standard ADC (successive approximation) design, ensuring reliable conversion.
Q: What is the operating temperature range?
A: It operates over a commercial temperature range of 0°C to 75°C.
Q: What package is the HI1-674AJD-5 available in?
A: It comes in a 28-pin CDIP (0.600", 15.24mm) ceramic dual-inline package.
Base Product Number : HI1-674AJD
12-bit ADC Analog-to-Digital Converter CDIP Dual Channel Harris HI1-674AJD Parallel Interface
Q: What is the resolution of the HI1-674AJD-5 ADC?
A: The HI1-674AJD-5 is a 12-bit analog-to-digital converter, providing 4096 discrete output levels.
Q: How many input channels does this ADC support?
A: It features 2 input channels, allowing for multiplexed conversion of two separate analog signals.
Q: What interface does the HI1-674AJD-5 use?
A: It uses a parallel interface for high-speed data transfer to microprocessors or DSPs.
Q: What is the architecture of this converter?
A: The architecture is based on a standard ADC (successive approximation) design, ensuring reliable conversion.
Q: What is the operating temperature range?
A: It operates over a commercial temperature range of 0°C to 75°C.
Q: What package is the HI1-674AJD-5 available in?
A: It comes in a 28-pin CDIP (0.600", 15.24mm) ceramic dual-inline package.