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Renesas X9241AUVIZ
- Part No.:
- X9241AUVIZ
- Manufacturer:
- Renesas
- Category:
- Digital Potentiometers
- Package:
- 20-TSSOP (0.173", 4.40mm Width)
- Datasheet:
-
X9241AUVIZ.pdf
- Description:
- IC DGTL POT 50KOHM 64TAP 20TSSOP
- Quantity:
- Payment:
- Shipping:
Inventory:2,580
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Product details
Overview
X9241AUVIZ from Intersil is a quad digital controlled potentiometer (XDCP™) IC with nonvolatile storage, 2-wire I²C interface, 64-tap resolution per channel, and -40°C to +85°C industrial temperature range. It integrates four independent resistor arrays (2kΩ/10kΩ/50kΩ configurable), each with volatile wiper counter register (WCR) and four nonvolatile data registers (DR0–DR3), enabling precise analog parameter tuning in programmable power supplies and sensor calibration circuits.
For engineers reviewing the X9241AUVIZ datasheet, X9241AUVIZ pinout, X9241AUVIZ application, or X9241AUVIZ equivalent, this device supports cascaded resistor arrays up to 200kΩ, offers 100-year data retention and 100,000-cycle endurance per register, and operates with ±3mA max wiper current at 5V supply-critical for stable biasing in precision instrumentation and industrial control loops.
Technical Context
The X9241AUVIZ implements four monolithic CMOS resistor arrays, each with 63 discrete segments and FET-switched wiper terminals controlled by a 6-bit Wiper Counter Register. Each array supports three end-to-end resistance values (2kΩ, 10kΩ, 50kΩ) and can be cascaded externally via VH/RH–VL/RL interconnection.
It uses a standard 2-wire I²C-compatible interface with slave address formed by fixed 0101b prefix plus A0–A3 inputs, supporting read/write/transfer instructions for WCR and DR registers, plus increment/decrement mode for real-time fine-tuning. Power-up automatically loads DR0 into each WCR.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| Resistor Array Values | 2kΩ, 10kΩ, 50kΩ per pot; cascading enables 4kΩ–200kΩ total |
| Resolution | 64 taps per potentiometer (6-bit WCR); step size = RTOTAL/63 |
| Interface | 2-wire I²C-compatible; 100kHz max clock frequency; open-drain SDA |
| Nonvolatile Memory | 16 bytes (4×4 registers); 100-year data retention; 100,000 write cycles |
| Supply & Voltage Range | VCC = 5V ±10%; terminal voltage: -3.0V to +5V; ΔV ≤ 10V |
| Wiper Current Limit | ±3mA (for 10kΩ/50kΩ arrays); ±4mA (for 2kΩ arrays) |
| Operating Temperature | -40°C to +85°C (industrial grade); Pb-free TSSOP-20 package |
Pinout & Package
Package: 20-lead Thin Shrink Small Outline Package (TSSOP), RoHS-compliant, body dimensions 6.5mm × 4.4mm × 1.2mm (D × E × A), 0.65mm lead pitch.
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| 1, 2, 3, 4 (A0–A3) | Slave Address Inputs | Set LSBs of 8-bit I²C slave address (0101b + A3:A0); determine device select on shared bus |
| 5 (SDA) | Serial Data I/O | Bidirectional open-drain I²C data line; requires external pull-up; supports ACK polling |
| 6 (SCL) | Serial Clock Input | Master-generated I²C clock; controls timing of all register transfers and increment/decrement steps |
| 7–10, 13–16 (VH0–VH3, VL0–VL3) | Potentiometer Terminals | Fixed end terminals per array; VH/RH = high-side, VL/RL = low-side; enable 3-terminal pot or 2-terminal rheostat use |
| 11–12, 17–18 (VW0–VW3) | Wiper Outputs | Switched tap points controlled by WCR; electrically isolated when DW bit = 1; support cascade mode |
| 19 (VSS) | Ground Reference | Primary return path for all analog and digital circuitry; must be low-impedance for noise immunity |
| 20 (VCC) | Power Supply | +5V ±10% supply; powers logic, interface, and resistor array bias; ramp rate ≥0.2 V/ms required |
Key Features
| Feature | Design Value |
|---|---|
| Quad Independent Arrays | Four fully isolated 64-tap potentiometers share one I²C bus but retain independent wiper positions and nonvolatile storage |
| Cascade Mode Support | CM bit in WCR enables inter-array linking; allows single wiper control across multiple arrays for extended resistance ranges |
| Register-Oriented Control | Direct read/write of WCR and DR registers; global transfer commands synchronize all four pots simultaneously |
| Robust Nonvolatile Storage | 100-year data retention and 100,000 write cycles per register ensure long-term calibration stability in unattended systems |
| Low-Power Standby | 200–500µA VCC standby current enables battery-backed operation in portable instrumentation and remote sensors |
Applications
| Programmable Power Supply Calibration | Sensor Signal Conditioning |
|---|---|
|
Use Scenario: Adjusting feedback divider ratios in DC-DC converters to maintain output voltage accuracy across temperature and load variations. IC Role / Device Role / Timing Role: Four-channel digital potentiometer providing precise, software-controlled resistance values for voltage reference and current-sense gain networks. Use Value: Eliminates manual trimmer replacement; enables factory calibration storage in DR0 and field recalibration via I²C without hardware change. |
Use Scenario: Compensating offset and gain errors in analog sensor outputs (e.g., pressure, temperature transducers) before ADC sampling. IC Role / Device Role / Timing Role: Dual-pot configuration (one for offset null, one for gain scaling) with independent nonvolatile registers per channel. Use Value: Achieves <±1% absolute linearity and ±0.2% relative linearity across -40°C to +85°C, meeting industrial sensor accuracy requirements. |
| Industrial Motor Drive Biasing | Automated Test Equipment (ATE) Level Setting |
|
Use Scenario: Setting gate drive thresholds and current limit references in servo motor control modules with thermal derating compensation. IC Role / Device Role / Timing Role: Cascaded resistor arrays (e.g., Pot0+Pot1) delivering 4kΩ–20kΩ programmable resistance for analog comparator hysteresis and current sense scaling. Use Value: Supports ±3mA wiper current at full temperature range while maintaining <130Ω wiper resistance for minimal signal path error. |
Use Scenario: Dynamically configuring stimulus levels and termination impedances across multiple test channels in modular ATE platforms. IC Role / Device Role / Timing Role: Quad-pot used as four independent programmable attenuators or bias sources, controlled synchronously via I²C broadcast commands. Use Value: Enables sub-millisecond wiper repositioning (tSTPWV = 500µs) and supports 100kHz I²C updates for rapid test sequence execution. |
Equivalent & Alternatives
The following parts are listed as comparable options for similar digital potentiometer applications.
| Alternative Part | Technical Difference | Application Difference | Selection Advice |
|---|---|---|---|
| AD5204BRUZ-10 | Quad 10kΩ pot; SPI interface; no cascade mode; 256-tap resolution; 20-lead TSSOP | Lacks I²C compatibility and cascading; higher resolution but no nonvolatile DR0 auto-load on power-up | Choose for SPI-based systems requiring finer granularity; avoid where I²C bus sharing or automatic calibration recall is required. |
| MCP42050-I/SL | Dual 50kΩ pot; SPI interface; volatile-only memory; 256-tap; 14-lead SOIC | No nonvolatile storage; no cascade capability; lower channel count; different package footprint | Select when cost-sensitive dual-channel adjustment suffices and EEPROM persistence is unnecessary; not suitable for unattended recalibration. |
Compared with AD5204BRUZ-10 and MCP42050-I/SL, the X9241AUVIZ uniquely combines I²C compatibility, automatic DR0-to-WCR power-up recall, cascading support, and industrial-grade nonvolatile retention-making it optimal for embedded systems requiring robust, self-initializing analog tuning without firmware overhead.
Availability
X9241AUVIZ is available at Aetrix Electronics and suitable for programmable power supplies, sensor signal conditioning, industrial motor drives, and automated test equipment requiring stable component supply across extended temperature ranges and long product lifecycles.
Supply support for X9241AUVIZ 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 is a leader in precision analog and power management ICs, delivering high-reliability solutions for industrial, infrastructure, and high-end consumer markets.
The X9241A series was designed specifically for digitally programmable analog trimming in harsh environments-emphasizing nonvolatile calibration storage, I²C simplicity, and cascaded resistance scalability for system-level flexibility.
FAQ
What is the operating temperature range for the X9241AUVIZ?
The X9241AUVIZ is rated for industrial operation from -40°C to +85°C. This range is confirmed in the Ordering Information table (Page 2) and Recommended Operating Conditions section (Page 10) of the FN8164 Rev 7.00 datasheet. The "I" suffix in X9241AUVIZ explicitly denotes the industrial temperature grade, distinguishing it from commercial-grade variants like X9241AUVZ (0°C to +70°C).
Does the X9241AUVIZ support cascading of resistor arrays, and how is it enabled?
Yes, the X9241AUVIZ supports cascading up to all four resistor arrays using the Cascade Mode (CM) bit in the Wiper Counter Register. When CM = 1 in a given pot's WCR, that array is linked to the next higher-order pot (e.g., CM set in WCR2 cascades Pot2 to Pot3). External connections require tying VL/RL of the higher-order pot to VH/RH of the lower-order one, with only one wiper enabled (DW = 0) per cascade chain, as detailed in Figure 9 and Page 9 of the datasheet.
How does power-up behavior work in the X9241AUVIZ?
On power-up, the X9241AUVIZ automatically loads the contents of Data Register 0 (DR0) for each potentiometer into its corresponding volatile Wiper Counter Register (WCR), ensuring repeatable startup resistance values. This behavior is guaranteed only if VCC ramps cleanly (≥0.2 V/ms) and reaches 90% of final value before pot pins are energized, per Power-up Requirements on Page 11 of the datasheet.
What are the maximum wiper current ratings for the X9241AUVIZ at different resistance values?
The X9241AUVIZ specifies ±4mA max wiper current for 2kΩ arrays and ±3mA for 10kΩ and 50kΩ arrays, as stated in Absolute Maximum Ratings (Page 10). These limits apply across the full -40°C to +85°C temperature range and are derated per the DCP Wiper Current De-rating Curve on Page 12. Exceeding these currents risks permanent damage to internal switches.
Is the X9241AUVIZ pin-compatible with other packages in the X9241A family?
Yes, the X9241AUVIZ shares identical pinout and electrical functionality with all 20-lead X9241A variants-including X9241AMSIZ, X9241AMVIZ, and X9241AWSIZ-as confirmed in the Pin Descriptions (Page 3) and Pinout diagram (Page 3) of FN8164 Rev 7.00. All use the same 20-lead TSSOP footprint, enabling drop-in replacement across temperature and resistance variants without PCB redesign.
X9241AUVIZ Specifications
- Product attributes
- Attribute value
- Manufacturer:
- Renesas
- Series:
- XDCP™
- Package/Case:
- 20-TSSOP (0.173", 4.40mm Width)
- Packaging:
- Tube
- Product Status:
- Active
- Programmable:
- Not Verified
- Taper:
- Linear
- Configuration:
- Potentiometer
- Number of Circuits:
- 4
- Number of Taps:
- 64
- Resistance (Ohms):
- 50k
- Interface:
- I2C
- Memory Type:
- Non-Volatile
- Voltage - Supply:
- 5V
- Features:
- Selectable Address
- Tolerance:
- ±20%
- Temperature Coefficient (Typ):
- ±300ppm/°C
- Mounting Type:
- Surface Mount
- Grade:
- -
- Qualification:
- -
- Supplier Device Package:
- 20-TSSOP
- Operating Temperature:
- -40°C ~ 85°C
- Resistance - Wiper (Ohms) (Typ):
- 40
X9241AUVIZ FAQ
1.How can I place an order for X9241AUVIZ through Aetrix?
Please submit a Request for Quotation (RFQ) for X9241AUVIZ 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 X9241AUVIZ reliable?
The price and inventory of X9241AUVIZ are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for X9241AUVIZ is usually 5 days.
3.What payment methods are accepted for X9241AUVIZ?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for X9241AUVIZ transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for X9241AUVIZ?
X9241AUVIZ orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your X9241AUVIZ 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 X9241AUVIZ?
For technical support, including X9241AUVIZ datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your X9241AUVIZ requirements.
6.How does Aetrix verify that X9241AUVIZ is sourced from the original manufacturer or authorized distributors?
All X9241AUVIZ 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 X9241AUVIZ meets industry standards.
7.What is the process for return or replacement of X9241AUVIZ?
All X9241AUVIZ units undergo pre-shipment inspection (PSI). If there is an issue with X9241AUVIZ, 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 X9241AUVIZ part is unused and in its original packaging.
Return procedure for X9241AUVIZ:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
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