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Renesas X9258TS24IZ
- Part No.:
- X9258TS24IZ
- Manufacturer:
- Renesas
- Category:
- Digital Potentiometers
- Package:
- 24-SOIC (0.295", 7.50mm Width)
- Datasheet:
-
X9258TS24IZ.pdf
- Description:
- IC DGT POT 100KOHM 256TAP 24SOIC
- Quantity:
- Payment:
- Shipping:
Inventory:2,967
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Product details
Overview
X9258TS24IZ from Intersil is a quad digital potentiometer IC integrating four 256-tap, 100kΩ resistor arrays with volatile wiper counter registers and four non-volatile data registers per channel, operating from dual analog supplies (±2.7V to ±5.5V) and a 2.7V–5.5V system supply, used for precision gain/offset trimming in industrial sensor signal conditioning circuits.
For engineers reviewing the X9258TS24IZ datasheet, X9258TS24IZ pinout, X9258TS24IZ application, or X9258TS24IZ equivalent, key selection criteria include its -40°C to +85°C industrial temperature range, 24-lead SOIC package, 2-wire I²C-compatible interface with hardware write protection, and dual-supply operation enabling bipolar signal handling without level-shifting.
Technical Context
The X9258TS24IZ implements four independent resistor arrays, each with 255 series-connected segments and CMOS-switched wiper taps controlled by an 8-bit Wiper Counter Register (WCR). Each array supports three-terminal potentiometer or two-terminal variable resistor configurations with VH/RH, VL/RL, and VW/RW terminals.
Communication uses a standard 2-wire bus (SCL/SDA) with slave address 0101xxxx2, device addressing via A0–A3, and instruction-based register access-including Read/Write WCR, Read/Write Data Registers (DR0–DR3), and global or per-potentiometer transfers between DRs and WCRs. Hardware write protection (WP) disables nonvolatile writes when asserted low.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| Total resistance | 100kΩ per potentiometer - sets full-scale voltage division ratio and current-handling capability in bias networks. |
| Resolution | 256 taps (0.4% step size) - enables fine-grained adjustment of gain, offset, or threshold levels in closed-loop systems. |
| Supply ranges | VCC = 2.7V–5.5V; V+ = +2.7V–+5.5V; V− = −2.7V–−5.5V - supports true bipolar analog signal routing without external level shifters. |
| Wiper resistance | 40Ω typical at ±5V - minimizes insertion error and loading effects in high-impedance feedback paths. |
| Standby current | <5µA total package - enables low-power operation in battery-backed or energy-constrained instrumentation. |
| Nonvolatile endurance | 100,000 data changes per bit - ensures long-term reliability in field-updatable calibration storage. |
| Data retention | 100 years - guarantees persistent wiper position recall across decades of unpowered storage. |
Pinout & Package
Package: 24-lead SOIC (300 mil), RoHS-compliant, Pb-free, M24.3 footprint.
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| SCL | Serial clock input | Master-generated clock synchronizing all 2-wire bus transactions; requires external pull-up. |
| SDA | Serial data bidirectional I/O | Open-drain interface supporting multi-drop bus configuration; requires external pull-up. |
| A0–A3 | Device address inputs | Set LSBs of 8-bit slave address (0101xxxx2); allow up to 16 devices on same bus. |
| VH0–VH3 / VL0–VL3 | Potentiometer terminal pairs | Fixed end terminals per channel; define voltage rails for each resistor array (e.g., VH0/VL0 = +5V/−5V). |
| VW0–VW3 | Wiper outputs | Analog output nodes whose voltage position is digitally controlled; directly replace mechanical potentiometer wipers. |
| WP | Hardware write protect | Active-low input disabling nonvolatile writes to DR0–DR3; prevents accidental calibration loss. |
| V+, V− | Analog supply rails | Independent dual supplies powering resistor arrays; enable symmetric bipolar operation. |
| VCC, VSS | Digital supply and ground | Power interface logic and registers; isolated from analog section to reduce noise coupling. |
Key Features
| Feature | Design Value |
|---|---|
| Four independent 100kΩ DCPs | Enables simultaneous calibration of multiple signal chains (e.g., four-channel sensor front-end) in single SOIC package. |
| Nonvolatile DR0–DR3 per channel | Stores up to four distinct wiper settings per potentiometer; DR0 auto-loads to WCR at power-up for repeatable startup state. |
| 2-wire interface with ACK polling | Supports reliable firmware updates via I²C; ACK polling confirms completion of 5–10ms nonvolatile writes before next command. |
| Increment/decrement mode | Allows real-time fine-tuning of wiper position via SCL edge-triggered commands-no register address overhead required. |
| ±2.7V to ±5.5V analog supplies | Eliminates need for external charge pumps or rail splitters when interfacing with ±3V or ±5V op-amp stages. |
Applications
| Industrial Sensor Signal Conditioning | Programmable Gain Amplifier Calibration |
|---|---|
Use Scenario: Adjusting zero-offset and span gain in 4-channel RTD or thermocouple measurement modules operating across -40°C to +85°C ambient. IC Role / Device Role / Timing Role: Quad digital potentiometer providing independent DC bias and gain-setting resistors for each channel's instrumentation amplifier stage. Use Value: Enables factory and field calibration without manual trimmers; nonvolatile DRs retain calibrated values through power cycles and thermal stress. | Use Scenario: Setting precise closed-loop gain in programmable-gain instrumentation amplifiers used in portable medical ECG front-ends. IC Role / Device Role / Timing Role: Replacing mechanical gain-setting resistors with digitally controlled equivalents synchronized to microcontroller calibration routines. Use Value: Achieves <0.4% resolution per step and ±20ppm/°C ratiometric tempco-critical for maintaining accuracy over patient body temperature variations. |
| Bipolar Audio Line Driver Trimming | Automated Test Equipment (ATE) Reference Adjustment |
Use Scenario: Calibrating DC offset nulling and output amplitude in ±5V line drivers for professional audio interfaces. IC Role / Device Role / Timing Role: Four-channel DCP configured as two-terminal variable resistors in feedback networks of dual-supply op-amps. Use Value: Dual ±2.7V–±5.5V analog supplies eliminate clipping during bipolar signal swing; 40Ω wiper resistance preserves THD+N performance. | Use Scenario: Maintaining traceable voltage/current reference accuracy across thousands of test cycles in semiconductor ATE pin electronics. IC Role / Device Role / Timing Role: Precision resistor network for calibrating DAC output offsets and scaling factors in multi-site parallel test systems. Use Value: 100-year data retention and 100,000-cycle endurance ensure calibration stability over equipment lifetime without recalibration downtime. |
Equivalent & Alternatives
The following parts are listed as comparable options for similar quad digital potentiometer applications.
| Alternative Part | Technical Difference | Application Difference | Selection Advice |
|---|---|---|---|
| AD5242BRUZ100 | Single-supply only (2.7V–5.5V); no dual analog rails; 100kΩ, 256-tap; I²C interface; 24-TSSOP. | Lacks bipolar support; unsuitable for ±V signal paths without external level shifting. | Select when system uses only unipolar analog supplies and board space favors TSSOP. |
| MCP4651T-103E/ST | Single 100kΩ pot with 256 taps; SPI interface; 14-SOIC; no nonvolatile DRs-wiper resets to mid-scale on power-up. | No persistent calibration storage; requires host MCU to reload settings after every power cycle. | Select for cost-sensitive, single-pot applications where calibration persistence is not required. |
Compared with AD5242BRUZ100 and MCP4651T-103E/ST, the X9258TS24IZ uniquely delivers quad-channel bipolar operation with nonvolatile per-channel storage-enabling self-contained, field-updatable calibration in harsh industrial environments without external support circuitry.
Availability
X9258TS24IZ is available at Aetrix Electronics and suitable for industrial sensor signal conditioning, programmable gain amplifier calibration, and automated test equipment requiring stable component supply across extended temperature and long product lifecycles.
Supply support for X9258TS24IZ 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 (now part of Renesas Electronics) designs high-performance analog and mixed-signal ICs for industrial, communications, and computing markets, emphasizing precision, reliability, and low-power operation.
The X9258 product line delivers digitally controlled potentiometers optimized for calibration-critical applications demanding nonvolatile storage, bipolar analog support, and robust industrial temperature operation.
FAQ
What is the operating temperature range for the X9258TS24IZ?
The X9258TS24IZ is rated for -40°C to +85°C operation, meeting industrial-grade environmental requirements. This range is confirmed in the Ordering Information table (page 2 of FN8168 Rev 6.00), where "X9258TS24IZ" is explicitly listed with "-40 to +85" under Temperature Range. The device maintains full specification compliance-including wiper resistance, linearity, and nonvolatile write timing-across this entire span.
Does the X9258TS24IZ support true bipolar analog operation?
Yes, the X9258TS24IZ supports true bipolar analog operation via dedicated V+ and V− pins, rated from ±2.7V to ±5.5V. This allows direct connection to ±3V or ±5V op-amp stages without level-shifting circuitry. The datasheet specifies "V+ = 2.7V to 5.5V" and "V− = -2.7V to -5.5V" (page 1), and the block diagram shows separate analog supply domains feeding all four resistor arrays.
How many nonvolatile data registers does the X9258TS24IZ provide per potentiometer?
The X9258TS24IZ provides four nonvolatile data registers (DR0–DR3) per potentiometer, totaling 16 registers. As stated on page 1, "Each potentiometer has associated with it a volatile Wiper Counter Register (WCR) and 4 non-volatile Data Registers (DR0:DR3)". DR0 automatically loads into the WCR at power-up, enabling repeatable startup behavior without host intervention.
What package type is used for the X9258TS24IZ?
The X9258TS24IZ uses a 24-lead SOIC (300 mil) package, designated as "24 Ld SOIC (300 mil)" in the Ordering Information table (page 2 of FN8168 Rev 6.00) and assigned package drawing number M24.3. It is RoHS-compliant and Pb-free, with thermal resistance θJA = 46°C/W (page 11).
Can the X9258TS24IZ be used as a two-terminal variable resistor?
Yes, the X9258TS24IZ can be configured as a two-terminal variable resistor by connecting either VH/RH or VL/RL to the desired fixed potential and using VW/RW as the adjustable terminal-effectively creating a digitally controlled rheostat. The datasheet explicitly states on page 1: "The XDCP™ can be used as a three-terminal potentiometer or as a two-terminal variable resistor in a wide variety of applications including control, parameter adjustments, and signal processing."
X9258TS24IZ Specifications
- Product attributes
- Attribute value
- Manufacturer:
- Renesas
- Series:
- XDCP™
- Package/Case:
- 24-SOIC (0.295", 7.50mm Width)
- Packaging:
- Tube
- Product Status:
- Obsolete
- Programmable:
- Not Verified
- Taper:
- Linear
- Configuration:
- Potentiometer
- Number of Circuits:
- 4
- Number of Taps:
- 256
- Resistance (Ohms):
- 100k
- 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:
- 24-SOIC
- Operating Temperature:
- -40°C ~ 85°C
- Resistance - Wiper (Ohms) (Typ):
- 40
X9258TS24IZ FAQ
1.How can I place an order for X9258TS24IZ through Aetrix?
Please submit a Request for Quotation (RFQ) for X9258TS24IZ 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 X9258TS24IZ reliable?
The price and inventory of X9258TS24IZ are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for X9258TS24IZ is usually 5 days.
3.What payment methods are accepted for X9258TS24IZ?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for X9258TS24IZ transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for X9258TS24IZ?
X9258TS24IZ orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your X9258TS24IZ 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 X9258TS24IZ?
For technical support, including X9258TS24IZ datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your X9258TS24IZ requirements.
6.How does Aetrix verify that X9258TS24IZ is sourced from the original manufacturer or authorized distributors?
All X9258TS24IZ 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 X9258TS24IZ meets industry standards.
7.What is the process for return or replacement of X9258TS24IZ?
All X9258TS24IZ units undergo pre-shipment inspection (PSI). If there is an issue with X9258TS24IZ, 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 X9258TS24IZ part is unused and in its original packaging.
Return procedure for X9258TS24IZ:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
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