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Renesas X9313ZSZT1
- Part No.:
- X9313ZSZT1
- Manufacturer:
- Renesas
- Category:
- Digital Potentiometers
- Package:
- 8-SOIC (0.154", 3.90mm Width)
- Datasheet:
-
X9313ZSZT1.pdf
- Description:
- IC DGTL POT 1KOHM 32TAP 8SOIC
- Quantity:
- Payment:
- Shipping:
Inventory:2,778
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Product details
Overview
X9313ZSZT1 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, and 1kΩ end-to-end resistance. It operates from 3V to 5.5V, supports terminal voltages from –VCC to +VCC, and delivers ±4.4mA wiper current for precision analog trimming in embedded control systems.
For engineers reviewing the X9313ZSZT1 datasheet, X9313ZSZT1 pinout, X9313ZSZT1 application, or X9313ZSZT1 equivalent, key selection criteria include its 1kΩ RTOTAL tolerance (±20%), 31-element resistor array with temperature-compensated linearity (±1 MI absolute), 5µs INC-to-VW response, and SOIC-8 package compatibility with industrial temperature range (–40°C to +85°C).
Technical Context
The X9313ZSZT1 implements a solid-state 31-resistor array with make-before-break wiper switching, enabling glitch-free tap transitions. Its 5-bit up/down counter drives a decoder that selects one of 32 wiper positions, with wiper resistance typically 40Ω at VCC = 5V.
Nonvolatile memory stores the last wiper position on CS↑ while INC = HIGH, ensuring automatic recall at power-up. The device supports both three-terminal potentiometer and two-terminal variable resistor configurations, with terminal voltage swing limited to ±VCC and ΔVH–VL ≤ 4V per absolute ratings.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| RTOTAL | 1kΩ ±20% - defines full-scale resistance range for analog scaling and bias adjustment |
| Wiper Positions | 32 linear taps - enables 3.125% resolution per step across full resistance range |
| VCC Range | 3V to 5.5V - supports dual-supply systems and legacy 5V logic interfaces |
| Terminal Voltage Range | –VCC to +VCC - allows bidirectional signal handling in AC-coupled or bipolar circuits |
| Wiper Current Rating | ±4.4mA - sets maximum continuous current through wiper without degradation |
| Power-Up Behavior | Recalls stored wiper position - ensures deterministic startup state without host initialization |
| Endurance | 100,000 data changes per bit - guarantees long-term reliability in field-adjustable applications |
Pinout & Package
Package: 8-lead SOIC (Pb-free, RoHS compliant), dimensions per JEDEC MS-012-AA (M8.15), body width 3.80mm, lead pitch 1.27mm.
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| VCC | Supply voltage input | Primary power rail (3V–5.5V); powers internal logic, memory, and resistor array |
| VSS | Ground reference | Return path for all internal currents; must be low-impedance for stable operation |
| CS | Chip select control | Active-low enable; initiates wiper movement when LOW, triggers store on HIGH transition with INC = HIGH |
| U/D | Direction control input | Defines wiper increment/decrement direction; logic level sampled on each INC edge |
| INC | Increment clock input | Negative-edge triggered; advances wiper one position per valid edge under CS = LOW |
| RH/VH | High terminal | Fixed end of resistor array; voltage polarity relative to wiper depends on U/D state |
| RL/VL | Low terminal | Fixed end of resistor array; forms complete resistive path with RH/VH and RW/VW |
| RW/VW | Wiper terminal | Movable contact point; output voltage varies linearly with tap position; series resistance ~40Ω @ 5V |
Key Features
| Feature | Design Value |
|---|---|
| Nonvolatile wiper storage | Retains last position for 100 years; eliminates need for external EEPROM or host reinitialization at power-up |
| 3-wire serial interface | Uses only CS, U/D, and INC signals - reduces MCU GPIO count and simplifies PCB routing vs. SPI/I²C |
| Temperature-compensated array | ±300 ppm/°C RTOTAL drift - maintains stable gain/bias over industrial temperature range (–40°C to +85°C) |
| Make-before-break switching | Prevents open-circuit transients during wiper movement - critical for noise-sensitive audio and sensor signal paths |
| Low standby current | 500µA max - enables battery-powered applications with infrequent adjustment cycles |
Applications
| Laser Diode Bias Control | Audio Volume Trimming |
|---|---|
|
Use Scenario: Precise DC bias current setting for laser diodes in fiber-optic transceivers requiring stable optical output power over temperature. IC Role / Device Role / Timing Role: Two-terminal variable resistor in feedback loop of constant-current source; adjusts reference voltage to op-amp error amplifier. Use Value: 1kΩ RTOTAL and ±20% tolerance enable fine-grained current tuning; nonvolatile storage preserves factory calibration across power cycles. |
Use Scenario: User-adjustable volume control in professional audio mixers where mechanical pot wear and channel matching are critical. IC Role / Device Role / Timing Role: Three-terminal potentiometer configured as voltage divider; wiper feeds high-impedance op-amp input stage. Use Value: 32-tap linear resolution provides smooth, repeatable attenuation; make-before-break switching prevents audible pop during adjustment. |
| Industrial Sensor Calibration | Power Supply Feedback Tuning |
|
Use Scenario: Field calibration of RTD or thermocouple signal conditioning circuits to compensate for sensor offset and gain errors. IC Role / Device Role / Timing Role: Adjustable gain-setting resistor in instrumentation amplifier configuration; modified via microcontroller during calibration mode. Use Value: 100,000-cycle endurance supports repeated recalibration; ±1 MI absolute linearity ensures traceable measurement accuracy. |
Use Scenario: Dynamic adjustment of output voltage setpoint in programmable DC-DC converters used in test equipment and lab supplies. IC Role / Device Role / Timing Role: Variable resistor in voltage-divider network feeding error amplifier feedback pin; wiper position updated via serial interface. Use Value: Terminal voltage range (–VCC to +VCC) accommodates negative reference rails; 5µs INC-to-VW response enables fast closed-loop updates. |
Equivalent & Alternatives
The following parts are listed as comparable options for similar digitally controlled potentiometer applications.
| Alternative Part | Technical Difference | Application Difference | Selection Advice |
|---|---|---|---|
| AD5170BRMZ-10 | I²C interface, 256-tap resolution, 10kΩ RTOTAL, no nonvolatile storage | Requires external EEPROM for power-up recall; higher resolution but lower voltage tolerance (±2.5V max) | Choose for I²C-based systems needing finer granularity; avoid where ±VCC terminal swing or guaranteed power-up state is required. |
| MCP41010-I/P | SPITM interface, 256-tap resolution, 10kΩ RTOTAL, volatile wiper register only | No inherent power-up recall; requires host MCU to reload value after reset | Prefer for cost-sensitive designs with existing SPI infrastructure; not suitable for unattended or safety-critical recalibration. |
Compared with AD5170BRMZ-10 and MCP41010-I/P, the X9313ZSZT1 uniquely combines nonvolatile storage, ±VCC terminal capability, and 1kΩ low-RTOTAL for high-current analog trimming-making it optimal for industrial calibration and laser bias where deterministic startup and bipolar signal handling are mandatory.
Availability
X9313ZSZT1 is available at Aetrix Electronics and suitable for laser diode bias control, audio volume trimming, industrial sensor calibration, and power supply feedback tuning requiring stable component supply across extended temperature ranges and long product lifecycles.
Supply support for X9313ZSZT1 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 precision analog and power management solutions provider, acquired by Renesas Electronics in 2017, with deep expertise in high-reliability industrial and infrastructure ICs.
The X9313 family was designed for solid-state replacement of mechanical potentiometers in embedded systems demanding nonvolatile trim, temperature stability, and minimal board space-targeting instrumentation, telecom, and industrial control.
FAQ
What is the maximum allowable voltage difference between RH/VH and RL/VL terminals for X9313ZSZT1?
The absolute maximum voltage difference (ΔV = |VH – VL|) for X9313ZSZT1 is 4V, as specified in the Absolute Maximum Ratings table on page 5 of the FN8177 datasheet. Exceeding this limit risks permanent damage to the internal resistor array or switching elements, regardless of individual terminal voltages relative to VSS.
Does X9313ZSZT1 retain its wiper position after power cycling?
Yes, X9313ZSZT1 retains its wiper position after power cycling. The device stores the current wiper setting in nonvolatile memory when CS transitions HIGH while INC is held HIGH. Upon subsequent power-up, the stored value is automatically recalled, ensuring deterministic startup behavior without host intervention.
Can X9313ZSZT1 operate with a 3.3V supply voltage?
Yes, X9313ZSZT1 supports VCC from 3V to 5.5V, making it fully compatible with 3.3V systems. The datasheet specifies "X9313-3" variants for 3V–5.5V operation, and X9313ZSZT1 falls within this category per the Ordering Information table (page 2), confirming guaranteed functionality at 3.3V nominal supply.
What is the typical wiper resistance of X9313ZSZT1 at 5V supply?
The typical wiper resistance (RW) of X9313ZSZT1 is 40Ω when VCC = 5V and wiper current is set to (VH – VL)/RTOTAL, as stated in the Potentiometer Characteristics table (page 5). This value represents the on-resistance of the internal electronic switch connecting the wiper to the resistor array tap.
Is X9313ZSZT1 RoHS compliant and Pb-free?
Yes, X9313ZSZT1 is RoHS compliant and Pb-free. The Ordering Information table explicitly lists "8 Ld SOIC (Pb-free)" for part numbers ending in "ZSZ" and "ZSIZ", and the datasheet notes that all Pb-free packages use 100% matte tin plating (e3 termination finish) compatible with both SnPb and Pb-free soldering processes.
X9313ZSZT1 Specifications
- Product attributes
- Attribute value
- Manufacturer:
- Renesas
- Series:
- XDCP™
- Package/Case:
- 8-SOIC (0.154", 3.90mm Width)
- Packaging:
- Tape & Reel (TR)
- Product Status:
- Active
- Programmable:
- Not Verified
- Taper:
- Linear
- Configuration:
- Potentiometer
- Number of Circuits:
- 1
- Number of Taps:
- 32
- Resistance (Ohms):
- 1k
- Interface:
- Up/Down (U/D, INC, CS)
- Memory Type:
- Non-Volatile
- Voltage - Supply:
- 5V
- Features:
- -
- Tolerance:
- ±20%
- Temperature Coefficient (Typ):
- ±300ppm/°C
- Mounting Type:
- Surface Mount
- Grade:
- -
- Qualification:
- -
- Supplier Device Package:
- 8-SOIC
- Operating Temperature:
- 0°C ~ 70°C
- Resistance - Wiper (Ohms) (Typ):
- 40
X9313ZSZT1 FAQ
1.How can I place an order for X9313ZSZT1 through Aetrix?
Please submit a Request for Quotation (RFQ) for X9313ZSZT1 on Aetrix. Our sales agent will provide a competitive quotation and guide you through the order confirmation once you accept the terms.
2.Are the price and stock information for X9313ZSZT1 reliable?
The price and inventory of X9313ZSZT1 are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for X9313ZSZT1 is usually 5 days.
3.What payment methods are accepted for X9313ZSZT1?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for X9313ZSZT1 transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for X9313ZSZT1?
X9313ZSZT1 orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your X9313ZSZT1 order is processed, you will receive an email with the shipment details and tracking number.
Note: Tracking information may take up to 24 hours to appear. Express delivery typically takes 3–5 business days.
5.How can I obtain technical support or documentation for X9313ZSZT1?
For technical support, including X9313ZSZT1 datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your X9313ZSZT1 requirements.
6.How does Aetrix verify that X9313ZSZT1 is sourced from the original manufacturer or authorized distributors?
All X9313ZSZT1 products on Aetrix are procured from qualified distributors and authorized channels. Our dedicated quality assurance team conducts strict verification, including traceability checks and, if necessary, third-party testing. This ensures that X9313ZSZT1 meets industry standards.
7.What is the process for return or replacement of X9313ZSZT1?
All X9313ZSZT1 units undergo pre-shipment inspection (PSI). If there is an issue with X9313ZSZT1, returns or replacements are accepted under the following conditions:
1.Quantity discrepancies, incorrect items, or visible external defects (such as breakage or corrosion), acknowledged by Aetrix.
2.The issue is reported within 90 days of delivery.
3.The X9313ZSZT1 part is unused and in its original packaging.
Return procedure for X9313ZSZT1:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
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