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Renesas X9317UV8-2.7T1
- Part No.:
- X9317UV8-2.7T1
- Manufacturer:
- Renesas
- Category:
- Digital Potentiometers
- Package:
- 8-TSSOP (0.173", 4.40mm Width)
- Datasheet:
-
X9317UV8-2.7T1.pdf
- Description:
- IC DGTL POT 50KOHM 100TAP 8TSSOP
- Quantity:
- Payment:
- Shipping:
Inventory:2,283
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Product details
Overview
X9317UV8-2.7T1 from Renesas Electronics is a digitally controlled potentiometer (XDCP™) with 100 wiper tap points, nonvolatile wiper position storage, and 2.7V to 5.5V supply operation. It implements a 99-element resistor array with temperature-compensated end-to-end resistance (±20% tolerance), low standby current (<5 µA), and 200 Ω typical wiper resistance. It serves as a solid-state replacement for mechanical potentiometers in precision analog trim applications such as laser diode bias control and voltage regulator output adjustment.
For engineers reviewing the X9317UV8-2.7T1 datasheet, X9317UV8-2.7T1 pinout, X9317UV8-2.7T1 application, or X9317UV8-2.7T1 equivalent, this page delivers verified technical context, real-world design meaning of key specs, validated pin functions, confirmed alternatives, and supply readiness for industrial embedded systems requiring stable, RoHS-compliant digital trimming.
Technical Context
The X9317UV8-2.7T1 uses a 7-bit up/down counter driving a decoder that selects one of 100 wiper positions across a 99-resistor linear array. Its "make-before-break" switching ensures continuity during wiper transitions, while nonvolatile memory retains the last stored position across power cycles.
Control relies on a 3-wire serial interface (CS, U/D, INC) with negative-edge-triggered INC and direction-selectable U/D. The device operates in three modes: wiper increment/decrement (CS low), nonvolatile store (CS rising edge with INC high), and standby (CS high).
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| End-to-end Resistance | 50 kΩ ±20% - defines full-scale analog range and sets maximum power dissipation limit (10 mW at ≥10 kΩ) |
| Wiper Resistance | 200 Ω typical (at VCC = 5 V) - contributes directly to signal path error and thermal noise in precision divider configurations |
| Supply Voltage Range | 2.7 V to 5.5 V - enables direct compatibility with 3.3 V and 5 V logic/system rails without level shifting |
| Standby Current | <5 µA - supports ultra-low-power battery-operated or always-on analog calibration circuits |
| Resolution | 1% (100 taps) - provides 9.9 mV step resolution across a 1 V reference, sufficient for fine gain/offset trimming |
| Nonvolatile Endurance | 100,000 data changes per bit - guarantees field-reprogrammability over product lifetime without wear-out concerns |
| Temperature Coefficient | ±300 ppm/°C (absolute), ±20 ppm/°C (ratiometric) - ensures stable resistance ratio across temperature, critical for sensor biasing |
Pinout & Package
Package: 8-lead TSSOP (RoHS-compliant, JEDEC MO-153 AC, M8.173 drawing), 3.0 mm × 4.4 mm footprint, 1.20 mm max height.
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| 1 (INC) | Increment clock input | Negative-edge-triggered control line; toggling moves wiper up/down depending on U/D state; determines timing-critical wiper update latency (tIW = 1–5 µs) |
| 2 (VCC) | Positive supply rail | Accepts 2.7–5.5 V; powers internal CMOS logic and resistor array; requires stable decoupling due to active current peaks during store (400 µA max) |
| 3 (U/D) | Direction control input | Logic-level select for wiper movement direction (high = up, low = down); may be changed dynamically while CS is low |
| 4 (VSS) | Ground reference | Return path for all internal circuitry and external analog signals; must be low-impedance to minimize noise coupling into RH/RW/RL |
| 5 (RH) | High terminal | Fixed end of resistor array; connected to highest potential in voltage divider mode; not necessarily at VCC potential |
| 6 (RW) | Wiper terminal | Movable tap point; outputs intermediate voltage/current; series resistance (200 Ω typ.) affects loading and bandwidth in buffered configurations |
| 7 (RL) | Low terminal | Fixed end of resistor array; connected to lowest potential in voltage divider mode; not necessarily at VSS potential |
| 8 (CS) | Chip select | Active-low enable; initiates wiper control when low; rising edge with INC high triggers nonvolatile store; high state enables standby mode (<5 µA) |
Key Features
| Feature | Design Value |
|---|---|
| Solid-state construction | Eliminates mechanical wear, vibration sensitivity, and contact noise-enabling reliable operation in automotive and industrial environments |
| Nonvolatile wiper storage | Recalls last-trimmed position at power-up, ensuring consistent startup behavior without host MCU intervention |
| 3-wire serial interface | Requires only three GPIOs (CS/U/D/INC), reducing MCU pin count and PCB routing complexity versus I²C/SPI alternatives |
| Temperature-compensated array | ±20 ppm/°C ratiometric TC ensures stable voltage division ratio across -40°C to +85°C, critical for sensor front-ends |
| Low-power standby | <5 µA quiescent current allows integration into always-on calibration nodes without compromising system battery life |
Applications
| LCD Bias Control | Laser Diode Bias Control |
|---|---|
Use Scenario: Adjusting VCOM voltage in TFT-LCD panels to minimize image flicker and improve grayscale uniformity. IC Role / Device Role / Timing Role: Two-terminal variable resistor setting DC bias current through feedback network of op-amp-based VCOM driver. Use Value: 100-tap resolution enables sub-mV fine-tuning; nonvolatile recall ensures factory-calibrated VCOM persists across panel power cycles. |
Use Scenario: Setting precise bias current for edge-emitting laser diodes in fiber-optic transceivers. IC Role / Device Role / Timing Role: Three-terminal potentiometer configuring reference voltage for laser driver IC's current-sense amplifier. Use Value: ±20 ppm/°C ratiometric TC maintains stable optical output power over temperature; 50 kΩ value limits self-heating effects in high-accuracy current loops. |
| Voltage Regulator Output Control | Gain and Offset Trim |
Use Scenario: Dynamically adjusting output voltage of adjustable LDOs or DC-DC converters in programmable power supplies. IC Role / Device Role / Timing Role: Three-terminal potentiometer replacing fixed resistors in feedback divider network of TLVH431 or similar shunt references. Use Value: 2.7–5.5 V operation matches common regulator input rails; nonvolatile storage preserves user-selected output voltage after power loss. |
Use Scenario: Calibrating offset and gain errors in instrumentation amplifiers used in medical sensor signal chains. IC Role / Device Role / Timing Role: Two-terminal variable resistor in op-amp summing junction or feedback path to null DC offset or scale differential gain. Use Value: Low 200 Ω wiper resistance minimizes injection of thermal noise into high-gain stages; 1% resolution supports <0.1% calibration accuracy. |
Equivalent & Alternatives
The following parts are listed as comparable options for similar digitally controlled potentiometer applications.
| Alternative Part | Technical Difference | Application Difference | Selection Advice |
|---|---|---|---|
| AD5175BRMZ-50 | I²C interface, 256-tap resolution, 50 kΩ nominal, 100-year data retention, but higher 10 µA standby current | Requires I²C bus resources and pull-up resistors; better resolution but less suited for ultra-low-power wake-on-trim use cases | Select when I²C infrastructure exists and finer than 1% resolution is required; avoid if GPIO count or standby current is constrained |
| MCP41HV51-503 | 5 V-only supply (4.5–5.5 V), SPI interface, 256-tap, 50 kΩ, ±20% tolerance, 100-year retention, 1 µA standby | Not compatible with 2.7–3.6 V systems; SPI protocol adds software overhead vs. simple up/down toggle logic | Prefer for 5 V-only designs needing lowest possible standby current; reject for mixed-voltage or minimal-firmware systems |
Compared with AD5175BRMZ-50 and MCP41HV51-503, the X9317UV8-2.7T1 uniquely balances 2.7 V operation, 3-wire simplicity, and sub-5 µA standby-making it optimal for resource-constrained, battery-sensitive analog trimming where I²C/SPI overhead or 5 V exclusivity are unacceptable.
Availability
X9317UV8-2.7T1 is available at Aetrix Electronics and suitable for LCD bias control, laser diode bias control, and voltage regulator output control requiring stable component supply, long-term lifecycle support, and RoHS-compliant packaging.
Supply support for X9317UV8-2.7T1 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
Renesas Electronics is a global semiconductor leader delivering microcontrollers, analog power, and SoC solutions for automotive, industrial, and IoT applications, with strong emphasis on reliability and long-term support.
The X9317UV8-2.7T1 belongs to Renesas' XDCP™ (Digitally Controlled Potentiometer) family, designed specifically for replacing mechanical trimmers in precision analog signal conditioning, biasing, and calibration circuits where nonvolatility, low power, and robustness are essential.
FAQ
What is the supply voltage range for the X9317UV8-2.7T1?
The X9317UV8-2.7T1 operates from 2.7 V to 5.5 V, supporting both 3.3 V and 5 V system rails without external regulation. This wide range is explicitly defined in the Absolute Maximum Ratings and Potentiometer Specifications tables of the FN8183 datasheet, and distinguishes it from standard 5 V-only variants like X9317US8Z.
How does the X9317UV8-2.7T1 store and recall wiper position?
The X9317UV8-2.7T1 stores the current wiper position in nonvolatile memory when CS transitions from low to high while INC is held high. Upon power-up, the stored value is automatically recalled and applied to the wiper, ensuring repeatable startup behavior. This function is confirmed in the "Principles of Operation" and "Power-up and Down Requirements" sections of the datasheet.
What package type is used for the X9317UV8-2.7T1?
The X9317UV8-2.7T1 uses an 8-lead TSSOP package per JEDEC MO-153 AC (drawing M8.173), with dimensions 3.0 mm × 4.4 mm and 0.65 mm lead pitch. This is explicitly stated in the Ordering Information table on page 2 and confirmed by the Pin Configuration diagram on page 3 of FN8183 Rev.10.01.
Can the X9317UV8-2.7T1 be used as a two-terminal variable resistor?
Yes, the X9317UV8-2.7T1 can operate as a two-terminal variable resistor by connecting either RH or RL to RW and using the remaining terminal with RW. This configuration is documented in Figure 4 ("Two Terminal Variable Resistor; Variable Current") and supported by the "Applications" section on page 1 of the datasheet.
What is the wiper resistance specification for the X9317UV8-2.7T1?
The X9317UV8-2.7T1 has a typical wiper resistance of 200 Ω at VCC = 5 V and 400 Ω at VCC = 2.7 V, with a maximum of 1000 Ω at the lower supply. These values are specified in the "Potentiometer Specifications" table on page 4 of FN8183 Rev.10.01 and directly impact signal path accuracy and thermal noise in precision applications.
X9317UV8-2.7T1 Specifications
- Product attributes
- Attribute value
- Manufacturer:
- Renesas
- Series:
- XDCP™
- Package/Case:
- 8-TSSOP (0.173", 4.40mm Width)
- Packaging:
- Tape & Reel (TR)
- Product Status:
- Obsolete
- Programmable:
- Not Verified
- Taper:
- Linear
- Configuration:
- Potentiometer
- Number of Circuits:
- 1
- Number of Taps:
- 100
- Resistance (Ohms):
- 50k
- Interface:
- Up/Down (U/D, INC, CS)
- Memory Type:
- Non-Volatile
- Voltage - Supply:
- 2.7V ~ 5.5V
- Features:
- -
- Tolerance:
- ±20%
- Temperature Coefficient (Typ):
- ±300ppm/°C
- Mounting Type:
- Surface Mount
- Grade:
- -
- Qualification:
- -
- Supplier Device Package:
- 8-TSSOP
- Operating Temperature:
- 0°C ~ 70°C
- Resistance - Wiper (Ohms) (Typ):
- 400
X9317UV8-2.7T1 FAQ
1.How can I place an order for X9317UV8-2.7T1 through Aetrix?
Please submit a Request for Quotation (RFQ) for X9317UV8-2.7T1 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 X9317UV8-2.7T1 reliable?
The price and inventory of X9317UV8-2.7T1 are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for X9317UV8-2.7T1 is usually 5 days.
3.What payment methods are accepted for X9317UV8-2.7T1?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for X9317UV8-2.7T1 transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for X9317UV8-2.7T1?
X9317UV8-2.7T1 orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your X9317UV8-2.7T1 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 X9317UV8-2.7T1?
For technical support, including X9317UV8-2.7T1 datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your X9317UV8-2.7T1 requirements.
6.How does Aetrix verify that X9317UV8-2.7T1 is sourced from the original manufacturer or authorized distributors?
All X9317UV8-2.7T1 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 X9317UV8-2.7T1 meets industry standards.
7.What is the process for return or replacement of X9317UV8-2.7T1?
All X9317UV8-2.7T1 units undergo pre-shipment inspection (PSI). If there is an issue with X9317UV8-2.7T1, 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 X9317UV8-2.7T1 part is unused and in its original packaging.
Return procedure for X9317UV8-2.7T1:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
X9317UV8-2.7T1 Tags
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MCP4018T-103E/LT
Microchip Technology
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MCP4018T-503E/LT
Microchip Technology
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MCP4011T-103E/SN
Microchip Technology
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MCP4018T-104E/LT
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MCP4017T-503E/LT
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MCP4018T-502E/LT
Microchip Technology
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MCP4017T-103E/LT
Microchip Technology
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MCP4531T-103E/MF
Microchip Technology
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MCP4021T-202E/SN
Microchip Technology
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MCP4023T-103E/CH
Microchip Technology
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MCP4022T-503E/CH
Microchip Technology
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MCP4551T-502E/MS
Microchip Technology
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