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Renesas X9314WSZT1
- Part No.:
- X9314WSZT1
- Manufacturer:
- Renesas
- Category:
- Digital Potentiometers
- Package:
- 8-SOIC (0.154", 3.90mm Width)
- Datasheet:
-
X9314WSZT1.pdf
- Description:
- IC DGTL POT 10KOHM 32TAP 8SOIC
- Quantity:
- Payment:
- Shipping:
Inventory:3,484
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Product details
Overview
X9314WSZT1 from Intersil is a nonvolatile digitally controlled potentiometer (XDCP™) with 32 log-taper taps, 10kΩ end-to-end resistance, and three-wire up/down serial interface; it serves as a solid-state replacement for mechanical potentiometers in precision analog trimming applications such as audio volume control and sensor calibration.
For engineers reviewing the X9314WSZT1 datasheet, X9314WSZT1 pinout, X9314WSZT1 application, or X9314WSZT1 equivalent, this device supports ±5V terminal voltage operation, stores wiper position in nonvolatile memory with 100-year data retention, and operates across 0°C to +70°C in an 8-lead SOIC package with <500µA standby current.
Technical Context
The X9314WSZT1 implements a 5-bit up/down counter driving a 31-element resistor array with make-before-break electronic switches; wiper position is selected via CS, U/D, and edge-triggered INC inputs, enabling discrete tap selection without microcontroller firmware overhead.
Nonvolatile storage occurs only when CS transitions HIGH while INC is HIGH; upon power-up, the last stored wiper position is automatically recalled, ensuring repeatable startup behavior without host initialization-critical for factory-trimmed systems and self-calibrating instrumentation.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| End-to-End Resistance | 10kΩ ±20% - defines full-scale analog range for voltage divider or gain-setting configurations |
| Wiper Resistance | 40Ω typical - limits insertion loss and signal distortion in AC-coupled paths |
| Terminal Voltage Range | ±5V - supports bipolar signal conditioning without external level-shifting circuitry |
| Supply Voltage | 5V ±10% - compatible with standard TTL/CMOS logic rails and eliminates need for LDO regulation |
| Standby Current | <500µA max - enables low-power system sleep modes without sacrificing trim state retention |
| Data Retention | 100 years - ensures permanent calibration storage across product lifecycle without battery backup |
| Tap Resolution | 32 log-taper positions - provides perceptually uniform adjustment for human-interface applications like volume control |
Pinout & Package
Package: 8-lead narrow-body SOIC (JEDEC MS-012-AA, pkg drawing M8.15), RoHS-compliant Pb-free plus anneal finish.
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| VH/RH | High terminal of resistor array | Fixed end of potentiometer; referenced to wiper movement direction, not absolute voltage polarity |
| VL/RL | Low terminal of resistor array | Fixed opposite end; voltage range ±5V relative to VSS, supports bidirectional analog signals |
| VW/RW | Wiper output terminal | Variable tap point with 40Ω typical series resistance; connects to load or feedback node |
| VCC | Positive supply input | 5V ±10% digital and analog supply; powers internal logic and memory |
| VSS | Ground reference | Common return for all analog and digital circuitry; must be low-impedance for noise immunity |
| CS | Chip select input | Active-low enable; initiates wiper movement when LOW; triggers nonvolatile store on HIGH transition with INC HIGH |
| U/D | Direction control input | Logic level determines wiper increment/decrement on each INC edge; may be changed dynamically during CS LOW |
| INC | Increment clock input | Negative-edge triggered; advances wiper one tap per valid edge; timing min. 4µs cycle time |
Key Features
| Feature | Design Value |
|---|---|
| Nonvolatile wiper storage | Eliminates need for external EEPROM or MCU-based calibration storage; retains position across uncontrolled power cycles |
| Logarithmic taper | Matches human perception for audio and display brightness controls-no software mapping required |
| Three-wire serial interface | Requires only CS, U/D, and INC signals-no SPI/I²C controller needed; reduces GPIO count and firmware complexity |
| Make-before-break switching | Prevents open-circuit transients during tap transitions-essential for stable biasing in amplifier feedback networks |
| ±5V analog terminal rating | Directly interfaces with op-amp circuits operating on dual supplies without clamping diodes or level shifters |
Applications
| Audio Volume Control | Sensor Offset Calibration |
|---|---|
Use Scenario: Digital volume adjustment in consumer audio amplifiers with analog signal path. IC Role / Device Role / Timing Role: Three-terminal potentiometer replacing mechanical trimmer in gain-setting feedback loop of op-amp stage. Use Value: Log-taper response matches ear sensitivity; nonvolatile recall ensures consistent startup volume without user re-entry. | Use Scenario: Factory calibration of temperature sensor output offset at production test. IC Role / Device Role / Timing Role: Two-terminal variable resistor in op-amp summing junction to null DC error. Use Value: Wiper position stored once during manufacturing; survives 100-year shelf life and field deployment without drift or recalibration. |
| Laser Diode Bias Trim | Industrial DAC Output Scaling |
Use Scenario: Precision current-set adjustment for laser diode driver ICs in optical transceivers. IC Role / Device Role / Timing Role: Adjustable current-limit resistor in constant-current source configuration. Use Value: ±5V terminal rating accommodates high-side sensing; 40Ω wiper resistance avoids thermal instability in mA-range bias paths. | Use Scenario: Scaling full-scale output of 12-bit DAC to match analog input range of downstream ADC or actuator. IC Role / Device Role / Timing Role: Programmable voltage divider between DAC VOUT and ground to set gain/attenuation ratio. Use Value: 32-tap resolution provides ~3% step size-sufficient for 1% system accuracy; no microcontroller involvement needed. |
Equivalent & Alternatives
The following parts are listed as comparable options for similar digitally controlled potentiometer applications.
| Alternative Part | Technical Difference | Application Difference | Selection Advice |
|---|---|---|---|
| AD5243BRMZ10 | I²C interface, dual-channel, 256-tap linear taper, 10kΩ, 2.7–5.5V supply | Requires I²C master; higher resolution but lacks log taper and ±5V analog tolerance | Select when multi-channel coordination or finer linear adjustment is required; verify external clamping for ±5V signals |
| MCP41010-I/P | SPITM interface, single-channel, 256-tap linear taper, 10kΩ, 2.7–5.5V supply, volatile memory | No nonvolatile storage; requires host MCU to reload wiper position after every power cycle | Choose for cost-sensitive, MCU-managed systems where calibration persistence is handled externally |
Compared with AD5243BRMZ10 and MCP41010-I/P, the X9314WSZT1 uniquely combines log taper, ±5V analog operation, and true nonvolatile storage in a minimal three-wire interface-making it optimal for standalone analog trimming where power-loss resilience and perceptual linearity are mandatory.
Availability
X9314WSZT1 is available at Aetrix Electronics and suitable for audio volume control, sensor calibration, laser diode bias trim, and DAC output scaling requiring stable component supply and guaranteed long-term calibration retention.
Supply support for X9314WSZT1 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, designs high-performance analog and mixed-signal ICs for precision power management, signal conditioning, and interface applications.
The X9314WSZT1 belongs to Intersil's XDCP™ family of nonvolatile digital potentiometers engineered for factory-trimmed analog circuits where mechanical reliability, calibration permanence, and low-pin-count digital control are critical design requirements.
FAQ
What is the maximum allowable voltage across VH/RH and VL/RL terminals for X9314WSZT1?
The X9314WSZT1 supports a maximum differential voltage ΔV = |VH/RH − VL/RL| of 10V, with each terminal rated for −5V to +5V relative to VSS. This allows direct use in ±5V op-amp circuits without external protection components. The 10V limit ensures safe operation of internal resistor elements and transfer gates under worst-case bias conditions.
Does X9314WSZT1 retain its wiper position after power removal?
Yes, X9314WSZT1 stores the wiper position in nonvolatile memory with 100-year data retention. When CS transitions HIGH while INC is HIGH, the current counter value is written to memory. Upon subsequent power-up, the stored value is automatically recalled, restoring the exact wiper position without host intervention-enabling zero-initialization systems.
Can X9314WSZT1 operate with a 3.3V supply?
No, X9314WSZT1 is specified for 5V ±10% operation only (4.5V to 5.5V). It is not rated for 3.3V logic or supply compatibility. For 3V–5.5V operation, consider the X9314WMIZ-3 variant in MSOP package, which shares identical functionality but wider VCC range and industrial temperature grade.
What is the wiper resistance specification for X9314WSZT1 and why does it matter?
X9314WSZT1 has a typical wiper resistance of 40Ω, with a maximum of 100Ω. This low series resistance minimizes insertion loss and signal attenuation in high-impedance feedback paths-critical for maintaining gain accuracy in op-amp circuits and preventing thermal drift in precision bias networks.
Is X9314WSZT1 pin-compatible with other members of the X9314 family?
Yes, X9314WSZT1 shares identical 8-lead SOIC pinout and electrical interface with all X9314 variants including X9314WSZ, X9314WSIZ, and X9314WSZ-3. Differences are limited to temperature grade, VCC range, and packaging-allowing drop-in substitution within same operating conditions and board layout.
X9314WSZT1 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:
- Logarithmic
- Configuration:
- Potentiometer
- Number of Circuits:
- 1
- Number of Taps:
- 32
- Resistance (Ohms):
- 10k
- Interface:
- Up/Down (U/D, INC, CS)
- Memory Type:
- Non-Volatile
- Voltage - Supply:
- 5V
- Features:
- -
- Tolerance:
- ±20%
- Temperature Coefficient (Typ):
- ±600ppm/°C
- Mounting Type:
- Surface Mount
- Grade:
- -
- Qualification:
- -
- Supplier Device Package:
- 8-SOIC
- Operating Temperature:
- 0°C ~ 70°C
- Resistance - Wiper (Ohms) (Typ):
- 40
X9314WSZT1 FAQ
1.How can I place an order for X9314WSZT1 through Aetrix?
Please submit a Request for Quotation (RFQ) for X9314WSZT1 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 X9314WSZT1 reliable?
The price and inventory of X9314WSZT1 are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for X9314WSZT1 is usually 5 days.
3.What payment methods are accepted for X9314WSZT1?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for X9314WSZT1 transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for X9314WSZT1?
X9314WSZT1 orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your X9314WSZT1 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 X9314WSZT1?
For technical support, including X9314WSZT1 datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your X9314WSZT1 requirements.
6.How does Aetrix verify that X9314WSZT1 is sourced from the original manufacturer or authorized distributors?
All X9314WSZT1 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 X9314WSZT1 meets industry standards.
7.What is the process for return or replacement of X9314WSZT1?
All X9314WSZT1 units undergo pre-shipment inspection (PSI). If there is an issue with X9314WSZT1, 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 X9314WSZT1 part is unused and in its original packaging.
Return procedure for X9314WSZT1:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
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