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Renesas X9317UV8Z-2.7T1
- Part No.:
- X9317UV8Z-2.7T1
- Manufacturer:
- Renesas
- Category:
- Digital Potentiometers
- Package:
- 8-TSSOP (0.173", 4.40mm Width)
- Datasheet:
-
X9317UV8Z-2.7T1.pdf
- Description:
- IC DGTL POT 50KOHM 100TAP 8TSSOP
- Quantity:
- Payment:
- Shipping:
Inventory:4,792
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Product details
Overview
X9317UV8Z-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 tolerance of ±20%, wiper resistance ≤400Ω at 2.7V, and standby current <5µA. It serves as a three-terminal voltage divider or two-terminal variable resistor in precision analog trimming applications.
For engineers reviewing the X9317UV8Z-2.7T1 datasheet, X9317UV8Z-2.7T1 pinout, X9317UV8Z-2.7T1 application, or X9317UV8Z-2.7T1 equivalent, this device supports low-noise DC bias adjustment, laser diode bias control, and voltage regulator output tuning where stable, power-up-recoverable resistance settings are required.
Technical Context
The X9317UV8Z-2.7T1 integrates a 7-bit up/down counter, decoder, and nonvolatile memory to control wiper position across 100 discrete taps on a 99-resistor ladder. Its 3-wire serial interface (CS, U/D, INC) uses negative-edge-triggered INC with make-before-break switching to prevent open-circuit transients during wiper movement.
It operates over 0°C to +70°C with ±300 ppm/°C total resistance temperature coefficient and ±20 ppm/°C ratiometric coefficient, ensuring stable voltage division under thermal drift. Wiper position is retained for 100 years and withstands 100,000 data changes per bit.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| End-to-end Resistance | 50kΩ ±20% - defines full-scale analog range for voltage divider or current-limiting configurations |
| Supply Voltage Range | 2.7V to 5.5V - enables direct compatibility with 3.3V and 5V systems without level-shifting |
| Wiper Resistance | ≤400Ω at VCC = 2.7V - limits insertion error in precision gain/offset trim circuits |
| Standby Current | <5µA - supports battery-powered or ultra-low-power system sleep modes |
| Resolution | 1% (100 taps) - provides 9.9mV step resolution across 1V span for fine analog calibration |
| Nonvolatile Storage | 100-year data retention - ensures factory-set or user-trimmed values persist across power cycles |
| Temperature Coefficient | ±300 ppm/°C (absolute), ±20 ppm/°C (ratiometric) - maintains linearity in ambient-varying environments |
| Interface Timing | tCYC = 2µs min - supports fast digital trimming via microcontroller GPIO without dedicated SPI hardware |
Pinout & Package
Package: 8-lead TSSOP (RoHS-compliant, JEDEC MO-153 AC, M8.173 drawing), 3.0mm × 4.4mm footprint, 1.2mm max height.
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| 1 (INC) | Increment clock input | Negative-edge-triggered control signal; toggling moves wiper up/down per U/D state |
| 2 (U/D) | Direction control input | Logic level determines wiper increment (HIGH) or decrement (LOW) on each INC edge |
| 3 (RH) | High terminal | Fixed end of resistor array; connects to higher potential in voltage divider configuration |
| 4 (VSS) | Ground reference | Return path for supply and signal currents; must be low-impedance for noise-sensitive analog use |
| 5 (RW) | Wiper output | Movable terminal; delivers tapped voltage/current; series resistance ≤400Ω impacts loading error |
| 6 (RL) | Low terminal | Fixed end of resistor array; connects to lower potential (e.g., ground or negative rail) |
| 7 (CS) | Chip select | Active-low enable; HIGH initiates nonvolatile store when INC is also HIGH |
| 8 (VCC) | Supply voltage | 2.7V–5.5V power input; powers logic and resistor array; decoupling capacitor required |
Key Features
| Feature | Design Value |
|---|---|
| Solid-state potentiometer architecture | Eliminates mechanical wear, contact bounce, and environmental sensitivity of analog pots |
| 3-wire up/down serial interface | Reduces MCU pin count vs. SPI/I²C; requires only three GPIOs with no protocol overhead |
| Nonvolatile wiper position storage | Enables power-on default setting without external EEPROM or initialization firmware |
| Temperature-compensated resistor array | Maintains ±0.2% relative linearity across 0°C to +70°C for stable trim in industrial environments |
| Low-power CMOS design | Supports always-on analog monitoring circuits with <5µA standby draw |
| Make-before-break wiper switching | Prevents momentary open-circuit during tap transitions, avoiding signal glitches in feedback paths |
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: Three-terminal potentiometer configured as voltage divider between VDD and ground, with RW feeding VCOM amplifier. Use Value: Enables factory calibration and field-adjustable contrast optimization without manual potentiometers or rework. |
Use Scenario: Setting precise bias current for edge-emitting laser diodes in optical transceivers. IC Role / Device Role / Timing Role: Two-terminal variable resistor in series with laser cathode to regulate forward current. Use Value: Provides stable, temperature-invariant current setpoint with 100-year nonvolatile retention for lifetime calibration. |
| Voltage Regulator Output Control | Gain and Offset Trim |
Use Scenario: Fine-tuning output voltage of adjustable LDOs or DC-DC converters in power management ICs. IC Role / Device Role / Timing Role: Resistor network element in feedback divider (e.g., replacing R2 in LM317-style topology). Use Value: Allows post-manufacturing calibration and dynamic output adjustment via host MCU without hardware change. |
Use Scenario: Calibrating input offset and closed-loop gain in instrumentation amplifiers or sensor signal chains. IC Role / Device Role / Timing Role: Two-terminal resistor in op-amp feedback path or offset null network. Use Value: Delivers 0.2% relative linearity and low 120dBV noise to preserve SNR in µV-level sensor measurements. |
Equivalent & Alternatives
The following parts are listed as comparable options for similar digitally controlled potentiometer applications.
| Alternative Part | Technical Difference | Application Difference | Selection Advice |
|---|---|---|---|
| AD5241BRMZ50 | I²C interface, 1024-tap resolution, 50kΩ, 2.7–5.5V, but no nonvolatile storage | Requires external memory or host MCU to retain settings across power cycles | Choose when higher resolution is critical and host firmware can manage state persistence |
| MCP41050-I/P | SPITM interface, 257-tap resolution, 50kΩ, 2.7–5.5V, volatile-only wiper register | No automatic power-up recall; wiper resets to mid-scale unless reprogrammed | Prefer when SPI-native systems exist and calibration occurs at startup rather than factory-set retention |
Compared with AD5241BRMZ50 and MCP41050-I/P, the X9317UV8Z-2.7T1 uniquely combines 100-tap precision, true nonvolatile storage, and 3-wire simplicity-enabling zero-firmware calibration recovery and eliminating external memory or boot-time initialization overhead.
Availability
X9317UV8Z-2.7T1 is available at Aetrix Electronics and suitable for LCD bias control, laser diode bias control, and voltage regulator output tuning requiring stable component supply, long-term calibration integrity, and RoHS-compliant packaging.
Supply support for X9317UV8Z-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 high-performance microcontrollers, analog power, and mixed-signal solutions for automotive, industrial, and IoT markets.
The X9317UV8Z-2.7T1 belongs to Renesas' XDCP™ family of digitally controlled potentiometers, engineered for precision analog trimming in space-constrained, low-power, and thermally variable environments.
FAQ
What is the operating temperature range for the X9317UV8Z-2.7T1?
The X9317UV8Z-2.7T1 is rated for 0°C to +70°C commercial operation. Its specifications-including ±20% end-to-end resistance tolerance, ±300 ppm/°C absolute temperature coefficient, and 100-year data retention-are guaranteed across this range. The device uses temperature-compensated resistor elements to maintain linearity and stability without external calibration.
How does the X9317UV8Z-2.7T1 store and recall wiper position?
The X9317UV8Z-2.7T1 stores wiper position in nonvolatile memory by asserting CS HIGH while INC is HIGH. Upon power-up, it automatically recalls the last stored value and sets the wiper to that tap position within 5µs. This eliminates boot-time initialization code and ensures repeatable analog behavior across power cycles without host intervention.
Can the X9317UV8Z-2.7T1 be used in a two-terminal variable resistor configuration?
Yes, the X9317UV8Z-2.7T1 supports two-terminal operation by connecting RH and RW (or RL and RW) externally and using the remaining terminal as the variable node. In this mode, it functions as a digitally adjustable current-limiting or gain-setting resistor with 50kΩ maximum resistance and ≤400Ω wiper resistance at 2.7V-ideal for laser diode bias or op-amp feedback networks.
What is the maximum wiper current rating for the X9317UV8Z-2.7T1?
The X9317UV8Z-2.7T1 specifies ±4.4mA maximum wiper current (IW) under all conditions. This limit applies regardless of tap position or supply voltage and ensures safe operation in voltage divider or current-sensing configurations. Exceeding this current risks irreversible damage to internal switches and resistor elements.
Does the X9317UV8Z-2.7T1 require external decoupling capacitors?
Yes, the X9317UV8Z-2.7T1 requires a 0.1µF ceramic capacitor placed as close as possible to the VCC and VSS pins. This stabilizes the internal CMOS logic and resistor array during wiper transitions, suppresses supply noise coupling into analog outputs, and prevents false INC edge detection due to VCC droop during active current draw.
X9317UV8Z-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:
- Active
- 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
X9317UV8Z-2.7T1 FAQ
1.How can I place an order for X9317UV8Z-2.7T1 through Aetrix?
Please submit a Request for Quotation (RFQ) for X9317UV8Z-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 X9317UV8Z-2.7T1 reliable?
The price and inventory of X9317UV8Z-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 X9317UV8Z-2.7T1 is usually 5 days.
3.What payment methods are accepted for X9317UV8Z-2.7T1?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for X9317UV8Z-2.7T1 transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for X9317UV8Z-2.7T1?
X9317UV8Z-2.7T1 orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your X9317UV8Z-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 X9317UV8Z-2.7T1?
For technical support, including X9317UV8Z-2.7T1 datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your X9317UV8Z-2.7T1 requirements.
6.How does Aetrix verify that X9317UV8Z-2.7T1 is sourced from the original manufacturer or authorized distributors?
All X9317UV8Z-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 X9317UV8Z-2.7T1 meets industry standards.
7.What is the process for return or replacement of X9317UV8Z-2.7T1?
All X9317UV8Z-2.7T1 units undergo pre-shipment inspection (PSI). If there is an issue with X9317UV8Z-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 X9317UV8Z-2.7T1 part is unused and in its original packaging.
Return procedure for X9317UV8Z-2.7T1:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
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