Renesas X9313USZT1

Overview

X9313USZT1 from Intersil is a digitally controlled potentiometer (XDCP™) with 32 linear tap positions, 3-wire serial interface (CS/U/D/INC), nonvolatile wiper position storage, ±V_CC terminal voltage tolerance, and 10 kΩ end-to-end resistance in an 8-lead SOIC package. It functions as a solid-state replacement for mechanical potentiometers in precision analog trimming applications requiring power-up recall and low-power operation.

For engineers reviewing the X9313USZT1 datasheet, X9313USZT1 pinout, X9313USZT1 application, or X9313USZT1 equivalent, this device supports stable analog parameter adjustment in industrial control loops, sensor calibration circuits, and programmable gain stages where EEPROM-retained settings and ±5 V terminal swing are required.

Technical Context

The X9313USZT1 implements a 31-element resistor array with make-before-break wiper switching, driven by a 5-bit up/down counter decoded to select one of 32 tap points. Wiper position is stored in nonvolatile memory upon CS↑ while INC = HIGH, enabling automatic restoration at power-up.

It operates with V_CC = 4.5–5.5 V, supports ±4.4 mA wiper current, exhibits ±20% RTOTAL tolerance, and maintains ratiometric temperature coefficient of ±20 ppm/°C - critical for voltage-divider stability across temperature in closed-loop systems.

Key Specifications

Pinout & Package

Package: 8-lead SOIC (Pb-free, RoHS compliant), JEDEC MS-012-AA compliant, body dimensions 4.9 mm × 3.9 mm × 1.75 mm.

Key Features

Applications

Equivalent & Alternatives

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

Compared with AD5241BRMZ10 and MCP41010-I/P, the X9313USZT1 uniquely combines 3-wire simplicity, ±V_CC analog tolerance, and guaranteed nonvolatile recall - making it optimal for industrial analog front-ends where reliability and bipolar signal integrity are mandatory.

Availability

X9313USZT1 is available at Aetrix Electronics and suitable for industrial sensor calibration, programmable gain amplification, and power supply trimming requiring stable component supply, long-term calibration retention, and RoHS-compliant packaging.

Supply support for X9313USZT1 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 is a semiconductor manufacturer specializing in precision analog and power management ICs, with products widely adopted in industrial, infrastructure, and high-end consumer markets.

The X9313USZT1 belongs to Intersil's XDCP™ family of digitally controlled potentiometers, designed specifically for replacing mechanical trimmers in applications demanding EEPROM-based setting retention, low-power operation, and robust analog performance across extended temperature ranges.

FAQ

What is the maximum allowable voltage across RH/VH and RL/VL terminals for X9313USZT1?

The X9313USZT1 supports ΔV = |VH − VL| up to 10 V for the X9313W/U series variants. Since X9313USZT1 is part of the X9313U family (per Ordering Information table), its absolute maximum terminal voltage difference is 10 V. Exceeding this risks permanent damage to the internal resistor array or switching network.

Does X9313USZT1 retain its wiper position after power cycling?

Yes, X9313USZT1 stores the wiper position in nonvolatile memory upon a valid store command (CS rising edge with INC = HIGH). Upon subsequent power-up, the device automatically recalls that stored value and sets the wiper to the same tap position, ensuring consistent analog behavior without host intervention.

Can X9313USZT1 operate with a 3.3 V supply?

No - X9313USZT1 is specified only for V_CC = 4.5 V to 5.5 V (Commercial temperature range, per Ordering Information). For 3 V operation, the X9313USZ-3 variant (V_CC = 3 V to 5.5 V) must be used instead; the "-3" suffix denotes extended voltage range compatibility.

What is the wiper resistance specification for X9313USZT1 at 5 V supply?

The wiper resistance (R_W) for X9313USZT1 is specified as 40 Ω typical and 100 Ω maximum at V_CC = 5 V (Potentiometer Characteristics table, page 5). This low on-resistance minimizes insertion loss and gain error in precision voltage divider and feedback applications.

Is X9313USZT1 RoHS compliant and lead-free?

Yes, X9313USZT1 is Pb-free and RoHS compliant, as confirmed in the Ordering Information table (page 2) and Package Outline Drawing notes (pages 10–11). It uses 100% matte tin (e3) termination finish and meets IPC/JEDEC J-STD-020 reflow requirements for lead-free assembly.