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Renesas X9313ZSIZ-3T1
- Part No.:
- X9313ZSIZ-3T1
- Manufacturer:
- Renesas
- Category:
- Digital Potentiometers
- Package:
- 8-SOIC (0.154", 3.90mm Width)
- Datasheet:
-
X9313ZSIZ-3T1.pdf
- Description:
- IC DGTL POT 1KOHM 32TAP 8SOIC
- Quantity:
- Payment:
- Shipping:
Inventory:4,198
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Product details
Overview
X9313ZSIZ-3T1 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 is used for precision analog trimming in voltage divider and variable resistor configurations.
For engineers reviewing the X9313ZSIZ-3T1 datasheet, X9313ZSIZ-3T1 pinout, X9313ZSIZ-3T1 application, or X9313ZSIZ-3T1 equivalent, key selection criteria include its ±20% RTOTAL tolerance, 40Ω typical wiper resistance at 5V, 100,000-cycle endurance, 100-year data retention, and industrial temperature range (–40°C to +85°C) in Pb-free SOIC-8 packaging.
Technical Context
The X9313ZSIZ-3T1 implements a 31-element resistor array with make-before-break wiper switching, controlled by an 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 recall at power-up.
Its 3-wire interface requires no clock signal-U/D sets direction and INC edge-triggered transitions increment/decrement the counter. Terminal voltage range spans –VCC to +VCC, supporting bipolar operation, and wiper current is limited to ±4.4mA with 3% resolution (1 MI = RTOTAL/31).
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| RTOTAL | 1kΩ ±20% - defines full-scale resistance range for voltage division or current limiting |
| VCC Range | 3V to 5.5V - enables direct compatibility with 3.3V and 5V logic/system rails |
| Wiper Resistance | 40Ω typical at VCC = 5V - contributes minimal series error in low-impedance feedback paths |
| Endurance | 100,000 data changes per bit - supports long-term field calibration without wear-out failure |
| Data Retention | 100 years - ensures factory-set or user-trimmed values persist across product lifetime |
| Temperature Range | –40°C to +85°C - qualified for industrial-grade embedded control and sensor conditioning |
| Interface | 3-wire asynchronous (CS/U/D/INC) - eliminates need for clock line or SPI controller overhead |
Pinout & Package
Package: 8-lead Pb-free SOIC (M8.15), body width 3.9mm, standard JEDEC MS-012-AA footprint.
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| VCC | Positive supply input | Accepts 3V–5.5V; powers internal logic, memory, and resistor array bias |
| VSS | Ground reference | Return path for supply and signal currents; must be low-impedance |
| RH/VH | High terminal | Fixed end of resistor array; voltage polarity depends on U/D state, not absolute potential |
| RL/VL | Low terminal | Fixed end opposite RH/VH; forms complete resistive element with RH/VH |
| RW/VW | Wiper output | Movable contact point; delivers tapped voltage or variable resistance; 40Ω typical series R |
| CS | Chip select | Active-low enable; HIGH places device in standby (500µA max); rising edge with INC=HIGH stores wiper |
| U/D | Direction control | Logic level determines wiper movement direction during INC transitions (up/down) |
| INC | Increment trigger | Negative-edge triggered; toggles wiper position one step in U/D-defined direction |
Key Features
| Feature | Design Value |
|---|---|
| Solid-state potentiometer | Eliminates mechanical wear, vibration sensitivity, and contact noise inherent in rotary pots |
| Nonvolatile wiper storage | Retains last set position across power cycles-no external EEPROM or initialization firmware required |
| Make-before-break switching | Prevents open-circuit glitches during wiper transitions; critical for stable feedback loop operation |
| Temperature-compensated array | ±300 ppm/°C RTOTAL drift and ±20 ppm/°C ratiometric tracking ensure stable gain/voltage ratios over temperature |
| Bipolar terminal voltage support | –VCC to +VCC rating enables use in AC-coupled, dual-supply, or rail-to-rail signal paths without clamping diodes |
Applications
| Audio Signal Level Control | DC Power Supply Trim |
|---|---|
|
Use Scenario: Adjusting gain or volume in analog audio amplifiers without mechanical knobs or manual calibration. IC Role / Device Role / Timing Role: Functions as a two-terminal variable resistor in amplifier feedback networks or as a three-terminal voltage divider for bias adjustment. Use Value: Enables remote or automated volume/gain tuning via microcontroller; retains user setting after power loss. |
Use Scenario: Fine-tuning output voltage of adjustable DC-DC converters or linear regulators during production or field service. IC Role / Device Role / Timing Role: Replaces mechanical trimmer in feedback divider string (e.g., LM317, LT1086), directly setting VO = 1.25V × (1 + R1/R2). Use Value: Eliminates manual calibration labor; supports factory-programmed or adaptive voltage compensation for load/temperature drift. |
| Sensor Offset Calibration | Industrial Analog I/O Conditioning |
|
Use Scenario: Compensating zero-point offset in bridge-based pressure or temperature sensors before ADC digitization. IC Role / Device Role / Timing Role: Configured as a precision voltage divider injecting adjustable offset into op-amp summing junction or instrumentation amp reference pin. Use Value: Achieves <±1mV offset correction accuracy over –40°C to +85°C using nonvolatile storage for per-unit calibration data. |
Use Scenario: Scaling or biasing analog inputs/outputs in PLC modules, data acquisition systems, or process controllers. IC Role / Device Role / Timing Role: Used in programmable gain stages or level-shifting circuits where gain/bias must be reconfigured via host MCU without hardware change. Use Value: Supports field-upgradable analog front-end behavior; maintains calibrated scaling factors across maintenance cycles and firmware 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 | 256-tap I²C interface; 10kΩ RTOTAL; 2.7V–5.5V supply; 35ppm/°C tempco | Higher resolution and I²C bus compatibility, but lacks bipolar terminal voltage support (max ±2.5V) | Preferred when higher precision and multi-device I²C addressing are needed; unsuitable for ±VCC analog signal paths |
| MCP41010-I/P | 256-tap SPI interface; 10kΩ RTOTAL; 2.7V–5.5V supply; no nonvolatile storage (requires external memory) | Requires external EEPROM or MCU firmware to retain settings; no built-in store-on-power-down capability | Selected for cost-sensitive designs where external memory already exists; adds design complexity for persistent trim |
Compared with AD5170BRMZ-10 and MCP41010-I/P, the X9313ZSIZ-3T1 offers unique bipolar terminal voltage handling (–VCC to +VCC), integrated nonvolatile storage without external components, and deterministic 3-wire timing-making it optimal for industrial analog signal conditioning where reliability, simplicity, and wide voltage range are critical.
Availability
X9313ZSIZ-3T1 is available at Aetrix Electronics and suitable for industrial sensor calibration, programmable power supply trimming, and audio level control requiring stable component supply, long-term data retention, and RoHS-compliant packaging.
Supply support for X9313ZSIZ-3T1 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, now part of Renesas Electronics, with deep expertise in high-reliability industrial and infrastructure ICs.
The X9313 family was designed specifically for solid-state replacement of mechanical potentiometers in embedded analog trimming applications-emphasizing nonvolatile retention, temperature stability, and simple digital control without protocol overhead.
FAQ
What is the maximum allowable voltage across RH/VH and RL/VL terminals for X9313ZSIZ-3T1?
The X9313ZSIZ-3T1 supports ΔV = |VH – VL| up to 4V for the Z-series (1kΩ variant). This limit is specified in the Absolute Maximum Ratings table and applies regardless of VCC level. Exceeding 4V risks irreversible damage to the internal resistor array switches.
Does X9313ZSIZ-3T1 require an external clock signal for operation?
No, the X9313ZSIZ-3T1 uses an asynchronous 3-wire interface with no clock input required. Wiper movement is controlled solely by edge-triggered INC transitions synchronized with the U/D logic level and CS enable state-eliminating timing constraints associated with SPI or I²C clocks.
How is wiper position stored and recalled in X9313ZSIZ-3T1?
Wiper position is stored in nonvolatile memory when CS transitions HIGH while INC is held HIGH. Upon power-up, the X9313ZSIZ-3T1 automatically recalls this stored value and configures the wiper to that tap position within 10µs, ensuring consistent startup behavior without MCU intervention.
Can X9313ZSIZ-3T1 be used in AC-coupled signal paths with negative voltages?
Yes-the X9313ZSIZ-3T1 explicitly supports terminal voltages from –VCC to +VCC, enabling direct use in AC-coupled, dual-supply, or rail-to-rail analog signal chains. For example, with VCC = 3.3V, VH and VL may swing from –3.3V to +3.3V relative to VSS.
What is the wiper resistance specification for X9313ZSIZ-3T1 at 3.3V supply?
The datasheet specifies RW = 40Ω typical at VCC = 5V. While not explicitly tested at 3.3V, the wiper resistance scales approximately linearly with supply voltage due to CMOS switch sizing; thus, RW ≈ 26Ω typical at 3.3V. This value remains well below 1% of RTOTAL (1kΩ), minimizing gain error in precision divider applications.
X9313ZSIZ-3T1 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:
- 3V ~ 5.5V
- Features:
- -
- Tolerance:
- ±20%
- Temperature Coefficient (Typ):
- ±300ppm/°C
- Mounting Type:
- Surface Mount
- Grade:
- -
- Qualification:
- -
- Supplier Device Package:
- 8-SOIC
- Operating Temperature:
- -40°C ~ 85°C
- Resistance - Wiper (Ohms) (Typ):
- 40
X9313ZSIZ-3T1 FAQ
1.How can I place an order for X9313ZSIZ-3T1 through Aetrix?
Please submit a Request for Quotation (RFQ) for X9313ZSIZ-3T1 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 X9313ZSIZ-3T1 reliable?
The price and inventory of X9313ZSIZ-3T1 are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for X9313ZSIZ-3T1 is usually 5 days.
3.What payment methods are accepted for X9313ZSIZ-3T1?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for X9313ZSIZ-3T1 transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for X9313ZSIZ-3T1?
X9313ZSIZ-3T1 orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your X9313ZSIZ-3T1 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 X9313ZSIZ-3T1?
For technical support, including X9313ZSIZ-3T1 datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your X9313ZSIZ-3T1 requirements.
6.How does Aetrix verify that X9313ZSIZ-3T1 is sourced from the original manufacturer or authorized distributors?
All X9313ZSIZ-3T1 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 X9313ZSIZ-3T1 meets industry standards.
7.What is the process for return or replacement of X9313ZSIZ-3T1?
All X9313ZSIZ-3T1 units undergo pre-shipment inspection (PSI). If there is an issue with X9313ZSIZ-3T1, 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 X9313ZSIZ-3T1 part is unused and in its original packaging.
Return procedure for X9313ZSIZ-3T1:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
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