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Product Detailed Parameters
- Description：DUAL COMPARATOR
- Series：*
- Mfr：Renesas Electronics Corporation
- Package：Bulk
- Type：-
- Number of Elements：-
- Output Type：-
- Voltage - Supply, Single/Dual (±)：-
- Voltage - Input Offset (Max)：-
- Current - Input Bias (Max)：-
- Current - Output (Typ)：-
- Current - Quiescent (Max)：-
- CMRR, PSRR (Typ)：-
- Propagation Delay (Max)：-
- Hysteresis：-
- Operating Temperature：-
- Package / Case：-
- Mounting Type：-
- Supplier Device Package：-
- Grade：-
- Qualification：-
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Overview
The HA17903PS-E is a dual comparator manufactured by Renesas Electronics Corporation, originally based on Hitachi Semiconductor designs. It is housed in a PS-14 package and supports a wide supply voltage range of 2V to 36V with a single power source. The device features low supply current, small input bias and offset parameters, and an output saturation voltage compatible with CMOS logic systems.
Feature Summary
- Wide supply voltage operation with minimal supply current variation
- Low input bias and offset characteristics for precision comparison
- Output voltage compatibility with CMOS logic systems
Applications
- Limit comparators
- Simple analog/digital converters
- Pulse, square wave, and time delay generators
- Wide range VCOs
- MOS clock timers
Procurement Notes
Verify the manufacturer origin as Renesas or Hitachi Semiconductor when sourcing. Confirm the specific suffix 'PS-E' corresponds to the required packaging and environmental specifications. Ensure the component meets the intended operating temperature and voltage requirements for the target application design.
Selection Notes
Select this component for applications requiring a wide single-supply voltage range and CMOS-compatible outputs. Consider its low input bias and offset for precision tasks. Evaluate the PS-14 package constraints against board space requirements. Compare performance metrics against other dual comparators if higher speed or different packaging is needed.
Part Context
This part belongs to the HA1790x series of operational amplifiers and comparators. It shares functional similarities with the HA17902 and HA17903 families. The series is known for bipolar technology and general-purpose analog signal processing capabilities across various industrial and consumer electronics applications.
Replacement Considerations
Compatible substitutes include the HA17903AFP and HA17903APS from Renesas Technology Corp. Other equivalents such as the LM319 from Fairchild Semiconductor or MB47393 from Fujitsu Semiconductor may be considered for dual comparator functionality.
