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CAT5251WI-50T-QJ is listed in the Digital Potentiometers range at ChipApex. The manufacturer field lists onsemi. Its product description is DIGITAL POT, 4 FUNC, 5. Review the specifications below when checking this part for your BOM.
Digital Potentiometers specifications for CAT5251WI-50T-QJ
- Description：DIGITAL POT, 4 FUNC, 5
- Series：*
- Mfr：onsemi
- Package：Bulk
- Taper：-
- Configuration：-
- Number of Circuits：-
- Number of Taps：-
- Resistance (Ohms)：-
- Interface：-
- Memory Type：-
- Voltage - Supply：-
- Features：-
- Tolerance：-
- Temperature Coefficient (Typ)：-
- Mounting Type：-
- Supplier Device Package：-
- Package / Case：-
- Operating Temperature：-
- Resistance - Wiper (Ohms) (Typ)：-
- Grade：-
- Qualification：-
Digital Potentiometers datasheet and documents for CAT5251WI-50T-QJ
Digital Potentiometers Overview
The CAT5251WI-50T-QJ is a quad digital potentiometer IC from onsemi, featuring four independent channels with non-volatile memory. It offers 256 taps per channel and a resistance value of 100 kOhms with a linear taper. The device operates within a supply voltage range of 2.5 V to 6 V and draws a typical current of 1 mA. It utilizes an I2C digital interface for control and is housed in a TSSOP-24 package. The component supports an operating temperature range from -40°C to +85°C and has a tolerance of 20%.
Digital Potentiometers Feature Summary
- Quad configuration with four independent digital potentiometer channels
- Non-volatile arc brush memory retains wiper position without power
- I2C serial interface for simplified digital control
- Linear taper characteristic for precise resistance adjustment
Digital Potentiometers Applications
- Industrial process control systems requiring multi-channel calibration
- Consumer electronics needing volume or gain adjustment
- Automotive infotainment and sensor signal conditioning
- Test and measurement equipment for programmable attenuation
Digital Potentiometers Procurement Notes
Verify the automotive-grade suffix (QJ) against specific AEC-Q100 requirements if applicable. Confirm the 100 kOhm resistance value matches circuit design needs. Ensure I2C address compatibility with the host microcontroller. Check RoHS compliance status for regulatory adherence. Validate the TSSOP-24 footprint dimensions during PCB layout finalization.
Digital Potentiometers Selection Notes
Choose this component when multiple isolated potentiometer channels are required in a compact form factor. The non-volatile feature eliminates the need for external storage for wiper positions. The wide supply voltage range allows flexibility in system power architecture. Consider the 256-tap resolution for applications demanding fine-grained control steps.
Digital Potentiometers Part Context
This part belongs to the CAT5251 series of digital potentiometers. It shares architectural similarities with other members like the CAT5259 but differs in resistance value and tap count. The QJ suffix indicates automotive qualification standards. It serves as a solid-state replacement for mechanical potentiometers in space-constrained designs.
Digital Potentiometers Replacement Considerations
Direct substitutes include CAT5251YI-50-T2 for industrial grade applications. For lower resistance needs, consider the CAT5241 series. Verify pinout compatibility before swapping with similar quad digital potentiometers from other manufacturers.
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