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Product Detailed Parameters
- Description：DIGIPOT, 32000OHM, 100 PSTN
- Series：XDCP™
- Mfr：Intersil
- Package：Tube
- Taper：Logarithmic
- Configuration：Potentiometer
- Number of Circuits：1
- Number of Taps：100
- Resistance (Ohms)：32k
- Interface：Up/Down (U/D, INC, CS)
- Memory Type：Non-Volatile
- Voltage - Supply：±5V
- Features：-
- Tolerance：±15%
- Temperature Coefficient (Typ)：±400ppm/°C
- Mounting Type：Surface Mount
- Supplier Device Package：8-TSSOP
- Package / Case：8-TSSOP (0.173", 4.40mm Width)
- Operating Temperature：-40°C ~ 85°C
- Resistance - Wiper (Ohms) (Typ)：40
- Grade：-
- Qualification：-
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Overview
The X9C303V8I is a Logarithmic Digitally Controlled Potentiometer (XDCP) manufactured by Intersil. It features a terminal voltage rating of ±5V and provides 100 taps with a logarithmic taper characteristic. The device utilizes nonvolatile memory to store the wiper position, ensuring data retention upon power-up. It is available in multiple package options including PDIP8, SOIC8, and TSSOP8. The component operates within a specified temperature range as defined in the official datasheet.
Feature Summary
- Logarithmic taper with 100 tap points for precise resistance adjustment
- Nonvolatile memory retains wiper position after power loss
- Terminal voltage capability of ±5V
- Available in PDIP8, SOIC8, and TSSOP8 packages
Applications
- Audio volume control applications requiring logarithmic response
- Voltage reference circuits needing adjustable gain
- Calibration systems utilizing nonvolatile storage
Procurement Notes
Verify the specific suffix 'V8' against the manufacturer's current naming convention to ensure compatibility with the intended operating temperature range. Confirm that the selected package type matches the PCB footprint requirements. Cross-reference the part number with the latest Intersil or Renesas Semiconductor documentation to validate pinout and electrical specifications before procurement.
Selection Notes
Select this component when a logarithmic resistance profile is required rather than a linear one. Ensure the application voltage does not exceed the ±5V terminal limit. Consider the package availability (PDIP, SOIC, or TSSOP) based on assembly constraints. Verify that the nonvolatile memory endurance and data retention specifications meet the long-term reliability requirements of the design.
Part Context
This component belongs to the X9C303 series of digitally controlled potentiometers. It shares functional similarities with other members of the family but is distinguished by its logarithmic taper and specific terminal voltage ratings. The 'V8' suffix typically denotes package and temperature variations within the product line.
Replacement Considerations
Direct replacements include other X9C303 variants with matching logarithmic characteristics. Verify pin compatibility and voltage ratings when substituting with similar devices from Intersil or other manufacturers offering XDCP components.
