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Renesas X9314WP-3
- Part No.:
- X9314WP-3
- Manufacturer:
- Renesas
- Category:
- Digital Potentiometers
- Package:
- 8-DIP (0.300", 7.62mm)
- Datasheet:
-
X9314WP-3.pdf
- Description:
- IC DGTL POT 10KOHM 32TAP 8DIP
- Quantity:
- Payment:
- Shipping:
Inventory:2,548
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Product details
Overview
X9314WP-3 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 functions as a solid-state trimmer in analog signal conditioning paths, supporting precise resistance adjustment in audio volume control and sensor calibration circuits.
For engineers reviewing the X9314WP-3 datasheet, X9314WP-3 pinout, X9314WP-3 application, or X9314WP-3 equivalent, this device offers verified wiper position retention across power cycles, ±5V terminal voltage tolerance, and 40Ω typical wiper resistance - critical for low-distortion analog trimming where mechanical potentiometers fail.
Technical Context
The X9314WP-3 implements a 5-bit up/down counter driving a 31-element resistor array with make-before-break electronic switches. Wiper position is stored in nonvolatile memory upon CS↑ with INC HIGH, enabling automatic recall at power-up.
It operates from 3V to 5.5V supply, supports ±1mA wiper current, and maintains ratiometric temperature coefficient of ±20 ppm/°C. Terminal voltages range from –5V to +5V relative to VSS, with ΔV between VH/RH and VL/RL limited to 10V.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| End-to-End Resistance | 10kΩ ±20% - sets full-scale gain/attenuation range in voltage divider configurations |
| Taps / Resolution | 32 log-taper positions - provides perceptually linear volume control and exponential sensor response compensation |
| Wiper Resistance | 40Ω typical - minimizes insertion loss and distortion when used as variable gain element |
| Nonvolatile Retention | 100 years - ensures factory-set calibration remains intact over product lifetime without backup power |
| Supply Voltage Range | 3V to 5.5V - compatible with both 3.3V and 5V logic systems without level-shifting |
| Standby Current | <500µA max - enables battery-powered trimming in always-on sensor front-ends |
| Terminal Voltage Range | –5V to +5V - supports bipolar signal paths including AC-coupled audio and op-amp feedback networks |
Pinout & Package
Package: 8-lead MSOP (M8.118), RoHS-compliant, Pb-free plus anneal finish.
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| VH/RH | High terminal of resistor array | Fixed end of potentiometer; voltage reference point for log-taper attenuation; rated ±5V relative to VSS |
| VL/RL | Low terminal of resistor array | Fixed end opposite VH/RH; completes three-terminal potentiometer configuration; same voltage rating as VH/RH |
| VW/RW | Wiper output terminal | Movable contact point; connects to one of 32 tap points; 40Ω series resistance affects signal integrity in high-Z paths |
| VCC | Positive supply input | 3V–5.5V digital core and memory supply; powers counter, decoder, and NV memory circuitry |
| VSS | Ground reference | Common return for all digital and analog functions; must be low-impedance to minimize noise coupling into wiper path |
| U/D | Direction control input | Active-HIGH selects increment mode; active-LOW selects decrement; determines wiper movement direction during INC transitions |
| INC | Edge-triggered increment input | Negative-edge triggered; toggling moves wiper one tap; timing tCYC = 4µs min defines maximum update rate |
| CS | Chip select and store control | Active-LOW enables device; rising edge with INC HIGH stores current wiper position to nonvolatile memory |
Key Features
| Feature | Design Value |
|---|---|
| Log-taper 32-tap resistor array | Enables perceptually uniform audio volume control and matches exponential sensor transfer functions |
| Nonvolatile wiper position storage | Eliminates need for external EEPROM or MCU supervision to retain last-adjusted setting after power loss |
| Three-wire serial interface (U/D, INC, CS) | Reduces GPIO count vs. SPI/I²C; no clock or data lines required - ideal for microcontroller pin-constrained designs |
| ±5V terminal voltage capability | Supports direct integration into bipolar op-amp circuits and AC-coupled signal chains without clamping diodes |
| 40Ω typical wiper resistance | Minimizes loading error in high-impedance feedback networks and preserves SNR in audio signal paths |
Applications
| Audio Volume Control | Sensor Signal Conditioning |
|---|---|
|
Use Scenario: Adjustable gain stage in line-level audio amplifier with user-controlled volume knob replacement. IC Role / Device Role / Timing Role: Digitally programmable attenuator replacing mechanical potentiometer; wiper position updated via push-button UP/DN inputs. Use Value: Log-taper response matches human loudness perception; nonvolatile storage retains last volume setting across power cycles. |
Use Scenario: Calibration trim for thermistor-based temperature sensing circuit in industrial HVAC controller. IC Role / Device Role / Timing Role: Precision offset/gain adjustment element in op-amp instrumentation amplifier front-end. Use Value: ±20 ppm/°C ratiometric tempco ensures calibration stability over –40°C to +85°C operating range. |
| Power Supply Feedback Trim | Factory-Programmed Reference Divider |
|
Use Scenario: Fine-tuning of output voltage in isolated DC-DC converter using optocoupler feedback loop. IC Role / Device Role / Timing Role: Adjustable voltage divider in secondary-side feedback network; wiper set once during production test. Use Value: 100-year data retention guarantees factory calibration remains valid throughout product service life. |
Use Scenario: Fixed-ratio reference divider in precision ADC reference buffer, programmed during manufacturing test. IC Role / Device Role / Timing Role: Nonvolatile resistance ratio generator; wiper position stored once and never modified in field operation. Use Value: Eliminates laser-trimmed thin-film resistors and associated calibration overhead in high-volume analog ICs. |
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 taps, 10kΩ, 2.7–5.5V supply, 65ppm/°C tempco | Requires I²C master; higher resolution but less suitable for simple button-driven UIs | Choose when system already uses I²C and needs finer granularity than 32 steps |
| MCP41010-I/P | SPITM interface, 257 taps, 10kΩ, 2.7–5.5V, volatile wiper position | No nonvolatile storage; requires MCU to reinitialize wiper on every power-up | Choose when cost sensitivity outweighs need for power-loss retention and SPI is available |
Compared with AD5170BRMZ-10 and MCP41010-I/P, the X9314WP-3 uniquely delivers log-taper response, true nonvolatile wiper retention without MCU intervention, and minimal GPIO usage - making it optimal for embedded analog trimming where simplicity, reliability, and perceptual linearity are prioritized over raw resolution.
Availability
X9314WP-3 is available at Aetrix Electronics and suitable for audio volume control, sensor calibration, power supply feedback trim, and factory-programmed reference divider applications requiring stable component supply and long-term calibration integrity.
Supply support for X9314WP-3 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 with emphasis on power management, precision analog, and interface solutions.
The X9314WP-3 belongs to Intersil's XDCP™ family of digitally controlled potentiometers, engineered specifically for replacing mechanical trimmers in industrial, medical, and consumer analog signal paths where reliability and nonvolatility are essential.
FAQ
What is the terminal voltage rating for the X9314WP-3?
The X9314WP-3 supports –5V to +5V on VH/RH and VL/RL terminals relative to VSS, with a maximum differential voltage (ΔV) of 10V between them. This allows direct use in bipolar op-amp circuits and AC-coupled signal chains without external protection components. The specification is confirmed in the Absolute Maximum Ratings table of FN8178 Rev 3.00.
Does the X9314WP-3 retain its wiper position after power removal?
Yes, the X9314WP-3 stores the wiper position in nonvolatile memory and automatically recalls it at power-up. Storage occurs when CS transitions HIGH while INC is HIGH. Data retention is rated for 100 years per the datasheet, eliminating the need for external memory or MCU initialization routines. This behavior is intrinsic to the X9314WP-3's architecture.
What package type is used for the X9314WP-3?
The X9314WP-3 is packaged in an 8-lead MSOP (Mini Small Outline Plastic) per JEDEC MO-187-AA, with package drawing M8.118. Its dimensions are 3.0mm × 3.0mm × 0.85mm, and it features Pb-free plus anneal termination for RoHS compliance and compatibility with both SnPb and lead-free soldering processes.
How does the log-taper characteristic of the X9314WP-3 benefit audio applications?
The X9314WP-3's log-taper resistor array provides stepwise attenuation that approximates human loudness perception (Fletcher-Munson curve), resulting in smooth, perceptually linear volume changes. Unlike linear-taper DCPs, it avoids abrupt gain jumps at low settings - a key requirement in consumer and professional audio equipment where the X9314WP-3 is commonly deployed.
Can the X9314WP-3 be used as a two-terminal variable resistor?
Yes, the X9314WP-3 can operate as a two-terminal variable resistor by connecting either VH/RH or VL/RL to VW/RW and using the remaining fixed terminal with the wiper. In this mode, resistance varies from near-zero (at wiper endpoint) to RTOTAL (10kΩ), maintaining the same log-taper step profile and nonvolatile storage capability as in three-terminal potentiometer mode.
X9314WP-3 Specifications
- Product attributes
- Attribute value
- Manufacturer:
- Renesas
- Series:
- XDCP™
- Package/Case:
- 8-DIP (0.300", 7.62mm)
- Packaging:
- Tube
- Product Status:
- Obsolete
- 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:
- 3V ~ 5.5V
- Features:
- -
- Tolerance:
- ±20%
- Temperature Coefficient (Typ):
- ±600ppm/°C
- Mounting Type:
- Through Hole
- Grade:
- -
- Qualification:
- -
- Supplier Device Package:
- 8-PDIP
- Operating Temperature:
- 0°C ~ 70°C
- Resistance - Wiper (Ohms) (Typ):
- 40
X9314WP-3 FAQ
1.How can I place an order for X9314WP-3 through Aetrix?
Please submit a Request for Quotation (RFQ) for X9314WP-3 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 X9314WP-3 reliable?
The price and inventory of X9314WP-3 are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for X9314WP-3 is usually 5 days.
3.What payment methods are accepted for X9314WP-3?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for X9314WP-3 transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for X9314WP-3?
X9314WP-3 orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your X9314WP-3 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 X9314WP-3?
For technical support, including X9314WP-3 datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your X9314WP-3 requirements.
6.How does Aetrix verify that X9314WP-3 is sourced from the original manufacturer or authorized distributors?
All X9314WP-3 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 X9314WP-3 meets industry standards.
7.What is the process for return or replacement of X9314WP-3?
All X9314WP-3 units undergo pre-shipment inspection (PSI). If there is an issue with X9314WP-3, 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 X9314WP-3 part is unused and in its original packaging.
Return procedure for X9314WP-3:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
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