Renesas X9511WPIZ

Overview

X9511WPIZ from Intersil is a push-button controlled digital potentiometer (XDCP™) with 32 linear tap positions, 10kΩ end-to-end resistance, ±5V terminal voltage range, nonvolatile wiper position storage, and industrial temperature range (–40°C to +85°C). It replaces mechanical potentiometers in precision analog trimming applications such as sensor calibration and power supply feedback networks.

For engineers reviewing the X9511WPIZ datasheet, X9511WPIZ pinout, X9511WPIZ application, or X9511WPIZ equivalent, this page provides verified functional identity, validated 8-pin PDIP package mapping, confirmed push-button control architecture, AUTOSTORE®/manual store operation modes, and real-world design implications for analog interface stability and long-term calibration retention.

Technical Context

The X9511WPIZ implements a 5-bit up/down counter driving a 32-position decoder that selects one of 31 resistive elements in series. Its resistor array operates ratiometrically with ±300 ppm/°C typical temperature coefficient and ±20% end-to-end resistance tolerance.

Control logic includes debounced PU/PD inputs (40ms typical debounce), ASE-configurable AUTOSTORE® (triggered at VCC < 4V), and manual store via ASE toggle. Wiper position is retained for 100 years in EEPROM and recalled on power-up without sequencing constraints between VCC and VH/VL.

Key Specifications

Pinout & Package

Package: 8-lead PDIP (Plastic Dual-In-Line Package), RoHS-compliant Pb-free finish, MDP0031 drawing, through-hole mounting only.

Key Features

Applications

Equivalent & Alternatives

The following parts are listed as comparable options for similar digital potentiometer applications.

Compared with AD5171BRMZ-10 and MCP41010-I/P, the X9511WPIZ uniquely delivers fully autonomous, push-button–driven analog trimming with guaranteed 100-year EEPROM retention - eliminating MCU dependency, bus overhead, and external backup components in industrial calibration and power-setting applications.

Availability

X9511WPIZ is available at Aetrix Electronics and suitable for industrial sensor calibration, programmable power supply feedback, laser diode bias control, and analog signal conditioning requiring stable component supply, long-life calibration retention, and through-hole manufacturability.

Supply support for X9511WPIZ includes scheduled delivery planning, volume procurement assistance, BOM continuity management, traceable sourcing, and lifecycle availability coordination for OEM customers, industrial embedded developers, connected-device designers, and electronics production programs.

Manufacturer

Intersil Corporation (now part of Renesas Electronics) is a U.S.-based semiconductor company specializing in high-performance analog and mixed-signal ICs for power management, precision analog, and interface applications.

The X9511WPIZ belongs to Intersil's XDCP™ (eXternally Controlled Digital Potentiometer) family, designed specifically for replacing mechanical potentiometers in industrial, instrumentation, and power systems where reliability, nonvolatility, and push-button usability are essential.

FAQ

What is the operating voltage range for the X9511WPIZ terminals VH and VL?

The X9511WPIZ supports a terminal voltage range of –5V to +5V on both VH and VL pins. This bipolar capability allows direct integration into analog circuits handling AC-coupled or dual-supply signals without external level-shifting components. The specification is validated across the full industrial temperature range (–40°C to +85°C) and is independent of VCC, which operates at +5V ±10%.

Does the X9511WPIZ require a microcontroller to function?

No, the X9511WPIZ does not require a microcontroller. It operates autonomously using two momentary push-button switches connected to PU and PD inputs, plus optional ASE for AUTOSTORE® or manual store. All control logic, debounce, counter, decoding, and EEPROM storage are self-contained. The X9511WPIZ is designed for zero-firmware analog trimming in systems lacking digital interfaces.

How is wiper position stored and recalled in the X9511WPIZ?

The X9511WPIZ stores wiper position in on-chip EEPROM memory. When ASE is held LOW, AUTOSTORE® automatically saves the current position during VCC power-down (triggered below 4V threshold). On power-up, the stored value is recalled and applied to the wiper within 500µs. If ASE is HIGH, a manual store is performed by toggling ASE from HIGH to LOW and back - a feature used with a third push button. The X9511WPIZ guarantees 100 years of data retention.

What is the resolution and linearity performance of the X9511WPIZ?

The X9511WPIZ offers 32 tap points across its 10kΩ resistor array, yielding ~323Ω per step and 3% resolution. Linearity is specified as ±1.0 MI absolute (maximum deviation from ideal voltage divider) and ±0.2 MI relative (step-to-step consistency), where 1 MI = RTOT/31. These values are measured and guaranteed over the –40°C to +85°C range and ensure predictable analog adjustment in precision applications like sensor calibration.

Can the X9511WPIZ be used in surface-mount designs?

No, the X9511WPIZ is packaged exclusively in 8-lead PDIP (MDP0031), a through-hole package. While RoHS-compliant Pb-free finish is provided, the datasheet explicitly states that Pb-free PDIP variants are intended for wave soldering only and are not rated for reflow. For surface-mount alternatives, engineers should consider other families (e.g., SOIC-packaged X9511WSIZ), but those are distinct orderable parts - the X9511WPIZ itself is PDIP-only.