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Renesas X9116WS8ZT1
- Part No.:
- X9116WS8ZT1
- Manufacturer:
- Renesas
- Category:
- Digital Potentiometers
- Package:
- 8-SOIC (0.154", 3.90mm Width)
- Datasheet:
-
X9116WS8ZT1.pdf
- Description:
- IC DGTL POT 10KOHM 16TAP 8SOIC
- Quantity:
- Payment:
- Shipping:
Inventory:2,337
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Product details
Overview
X9116WS8ZT1 from Intersil is a digitally controlled nonvolatile potentiometer (XDCP™) designed for precision analog trimming in embedded systems. It features 16 wiper taps, 10kΩ end-to-end resistance, 3-wire up/down serial interface, 2.7V–5.5V supply operation, and <1µA standby current. It replaces mechanical trimmers in voltage divider, gain-setting, and DC-DC feedback loop applications.
For engineers reviewing the X9116WS8ZT1 datasheet, X9116WS8ZT1 pinout, X9116WS8ZT1 application, or X9116WS8ZT1 equivalent, this page delivers verified electrical specs, package mapping to 8-lead SOIC, nonvolatile memory behavior, wiper resistance range (200–400Ω), and real-world use cases including power supply output adjustment and sensor calibration circuits.
Technical Context
The X9116WS8ZT1 implements a 15-segment linear resistor array with CMOS "make-before-break" switches connecting taps to the wiper terminal (VW/RW). Wiper position is controlled via edge-triggered INC input and level-sensitive U/D direction control, with CS enabling selection and nonvolatile store on CS↑ while INC is HIGH.
Its nonvolatile EEPROM retains wiper position across power cycles with 100-year data retention and 100,000 write cycles. The device operates over 0°C to +70°C, supports ratiometric voltage division (VL/RL to VH/RH), and maintains ±20% RTOTAL tolerance and ±1 MI absolute linearity per tap.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| RTOTAL | 10kΩ end-to-end resistance; defines full-scale analog range for voltage division or variable resistance use. |
| Wiper Resolution | 16 discrete taps (0–15); provides 6.25% step resolution across total resistance. |
| VCC Range | 2.7V to 5.5V; enables direct compatibility with 3.3V and 5V logic/system rails without level shifting. |
| Standby Current | <1µA max; allows integration into battery-powered or low-power always-on circuits without significant drain. |
| Wiper Resistance | 200Ω to 400Ω (at VCC = 5V); impacts minimum achievable resistance and signal path impedance in two-terminal configurations. |
| Nonvolatile Store Time | 5–10ms; determines minimum CS pulse width required to reliably save wiper position to EEPROM. |
| INC to VW Delay | 1–5µs; defines maximum update latency between command and stable wiper voltage output. |
Pinout & Package
Package: 8-lead SOIC (M8.15), RoHS-compliant Pb-free plus anneal finish, 0°C to +70°C operating range.
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| VH/RH | High terminal | Fixed end of resistor array; connects to highest potential node (e.g., VCC or reference voltage). |
| VSS | Ground | Device substrate reference; must be tied to system ground for proper biasing and EEPROM operation. |
| INC | Increment control input | Negative-edge-triggered; advances or retracts wiper one tap per falling edge depending on U/D state. |
| U/D | Up/down direction control | Static logic level (HIGH = increment, LOW = decrement); sets wiper movement direction during INC transitions. |
| CS | Chip select | Active-low enable; initiates communication and triggers nonvolatile store when raised HIGH with INC HIGH. |
| VL/RL | Low terminal | Fixed end of resistor array; connects to lowest potential node (e.g., ground or negative rail). |
| VW/RW | Wiper terminal | Movable contact point; outputs intermediate voltage or variable resistance between VH/RH and VL/RL. |
| VCC | Supply voltage | Power input (2.7–5.5V); powers internal logic, switches, and EEPROM; must exceed all terminal voltages. |
Key Features
| Feature | Design Value |
|---|---|
| Solid-state nonvolatile storage | Retains last wiper position across power cycles without external backup power or capacitors. |
| Make-before-break switching | Prevents open-circuit transients during wiper movement; avoids signal dropout in sensitive analog paths. |
| Low-power operation | Active current <50µA and standby current <1µA enable use in energy-constrained designs. |
| Ratiometric temperature coefficient | ±20 ppm/°C ensures stable voltage division ratio over temperature-critical for precision references. |
| Linear taper | Equal 15-segment resistor ladder yields predictable, monotonic voltage division across all 16 taps. |
Applications
| Power Supply Output Trimming | Sensor Signal Conditioning |
|---|---|
Use Scenario: Adjusting feedback voltage of a DC-DC converter to fine-tune regulated output within ±1% tolerance. IC Role / Device Role / Timing Role: Digitally programmable resistor in the feedback divider network; replaces manual potentiometer for factory calibration or field updates. Use Value: Enables post-manufacture output correction without hardware change; eliminates drift-related recalibration due to ±20 ppm/°C ratiometric stability. | Use Scenario: Scaling thermistor or bridge sensor output to match ADC input range across temperature extremes. IC Role / Device Role / Timing Role: Adjustable gain-setting element in instrumentation amplifier feedback path; configured once at startup from MCU. Use Value: Compensates for sensor unit-to-unit variation and PCB trace resistance; leverages nonvolatile memory to retain calibrated gain after power loss. |
| Audio Tone Control | Industrial DAC Offset Calibration |
Use Scenario: Implementing digital volume or bass/treble adjustment in embedded audio subsystems using fixed-resistor ladder + op-amp. IC Role / Device Role / Timing Role: Variable resistance element in passive RC filter or active filter feedback; updated via GPIO-driven 3-wire interface. Use Value: Provides 16-step monotonic response with no mechanical wear; <1µA standby current extends battery life in portable audio devices. | Use Scenario: Nulling offset error in a 12-bit DAC output stage by injecting precise counter-voltage into summing node. IC Role / Device Role / Timing Role: Precision trimmer in bipolar offset compensation circuit; wiper position set during system initialization and held indefinitely. Use Value: Achieves sub-LSB offset correction using 10kΩ/16-step resolution; nonvolatile retention prevents calibration loss during maintenance power-down. |
Equivalent & Alternatives
The following parts are listed as comparable options for similar digitally controlled potentiometer applications.
| Alternative Part | Technical Difference | Application Difference | Selection Advice |
|---|---|---|---|
| AD5171BRMZ-10 | I²C interface, 64-tap resolution, 10kΩ, 2.7–5.5V, 5ppm/°C tempco | Requires I²C host; higher resolution but no up/down simplicity; lower tempco improves precision | Choose for systems with existing I²C infrastructure and need for finer adjustment granularity. |
| MCP41010-I/P | SPI interface, 257-tap resolution, 10kΩ, 2.7–5.5V, 100ppm/°C tempco | Needs SPI master; higher resolution but poorer ratiometric stability; through-hole DIP-8 option available | Choose when SPI is preferred and absolute linearity > ratiometric stability for the application. |
Compared with AD5171BRMZ-10 and MCP41010-I/P, the X9116WS8ZT1 offers simpler 3-wire control, superior ratiometric temperature stability (±20 ppm/°C vs. 5–100 ppm/°C), and proven robustness in trimming roles-but trades off resolution (16 vs. 64/257 taps) and interface flexibility.
Availability
X9116WS8ZT1 is available at Aetrix Electronics and suitable for power supply trimming, sensor calibration, audio tone control, and industrial DAC offset adjustment requiring stable component supply and long-term calibration retention.
Supply support for X9116WS8ZT1 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) is a U.S.-based analog and mixed-signal semiconductor company focused on high-performance power management, precision analog, and interface solutions.
The X9116WS8ZT1 belongs to Intersil's XDCP™ (Digitally Controlled Potentiometer) product line, engineered specifically for solid-state replacement of mechanical trimmers in analog signal conditioning, power regulation, and calibration-critical embedded systems.
FAQ
What is the maximum wiper current rating for the X9116WS8ZT1?
The X9116WS8ZT1 specifies a maximum wiper current (IW) of ±5.0mA under all operating conditions. This limit ensures safe operation of the internal CMOS switches and prevents degradation of wiper resistance or EEPROM reliability. Exceeding ±5mA may cause irreversible damage to the wiper path; design must ensure current stays within this bound using series limiting resistors or buffered interfaces when driving low-impedance loads.
Does the X9116WS8ZT1 require an external clock or microcontroller to operate?
No, the X9116WS8ZT1 does not require an external clock. It uses asynchronous edge-triggered control: a falling edge on the INC pin (with U/D held static) moves the wiper one tap. A microcontroller or discrete logic (e.g., debounced pushbutton + flip-flop) can drive the 3-wire interface directly-no clock signal, timing constraints beyond minimum pulse widths (e.g., tIL ≥ 1µs), or firmware stack is needed for basic operation.
How is nonvolatile storage triggered on the X9116WS8ZT1?
Nonvolatile storage on the X9116WS8ZT1 is triggered by a rising edge on the CS pin while the INC pin is held HIGH. This specific condition writes the current wiper position to EEPROM. If CS rises with INC LOW, no store occurs and the device enters standby mode. The store cycle takes 5–10ms; during this time, INC and U/D must remain stable to avoid corruption.
What is the wiper resistance specification of the X9116WS8ZT1 and how does it vary?
The X9116WS8ZT1 wiper resistance (RW) is specified as 200Ω to 400Ω at VCC = 5V, and 400Ω to 1000Ω at VCC = 2.7V. This variation reflects MOSFET channel resistance dependence on gate drive strength. Designers must account for RW in precision voltage divider calculations-especially at low VCC-since it adds directly in series with the selected segment resistance between VW and either terminal.
Can the X9116WS8ZT1 be used in a two-terminal variable resistor configuration?
Yes, the X9116WS8ZT1 supports two-terminal operation: connect VH/RH to the voltage source and VL/RL to ground (or vice versa), then use VW/RW and one fixed terminal (e.g., VL/RL) as the variable resistor terminals. In this mode, RW contributes to total resistance, and maximum usable range is limited by wiper position extremes. Absolute linearity remains ±1 MI, but effective resolution drops slightly due to RW contribution.
X9116WS8ZT1 Specifications
- Product attributes
- Attribute value
- Manufacturer:
- Renesas
- Series:
- XDCP™
- Package/Case:
- 8-SOIC (0.154", 3.90mm Width)
- Packaging:
- Tape & Reel (TR)
- Product Status:
- Obsolete
- Programmable:
- Not Verified
- Taper:
- Linear
- Configuration:
- Potentiometer
- Number of Circuits:
- 1
- Number of Taps:
- 16
- Resistance (Ohms):
- 10k
- 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):
- 200
X9116WS8ZT1 FAQ
1.How can I place an order for X9116WS8ZT1 through Aetrix?
Please submit a Request for Quotation (RFQ) for X9116WS8ZT1 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 X9116WS8ZT1 reliable?
The price and inventory of X9116WS8ZT1 are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for X9116WS8ZT1 is usually 5 days.
3.What payment methods are accepted for X9116WS8ZT1?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for X9116WS8ZT1 transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for X9116WS8ZT1?
X9116WS8ZT1 orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your X9116WS8ZT1 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 X9116WS8ZT1?
For technical support, including X9116WS8ZT1 datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your X9116WS8ZT1 requirements.
6.How does Aetrix verify that X9116WS8ZT1 is sourced from the original manufacturer or authorized distributors?
All X9116WS8ZT1 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 X9116WS8ZT1 meets industry standards.
7.What is the process for return or replacement of X9116WS8ZT1?
All X9116WS8ZT1 units undergo pre-shipment inspection (PSI). If there is an issue with X9116WS8ZT1, 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 X9116WS8ZT1 part is unused and in its original packaging.
Return procedure for X9116WS8ZT1:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
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