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Renesas X9250TS24IZ-2.7
- Part No.:
- X9250TS24IZ-2.7
- Manufacturer:
- Renesas
- Category:
- Digital Potentiometers
- Package:
- 24-SOIC (0.295", 7.50mm Width)
- Datasheet:
-
X9250TS24IZ-2.7.pdf
- Description:
- IC DGT POT 100KOHM 256TAP 24SOIC
- Quantity:
- Payment:
- Shipping:
Inventory:435
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Product details
Overview
X9250TS24IZ-2.7 from Intersil is a quad digitally controlled potentiometer (XDCP™) with 256-tap resolution per channel, SPI serial interface, and dual analog supply support (V+ = +2.7V to +5.5V, V– = –5.5V to –2.7V). It integrates four independent 100kΩ resistor arrays, each with nonvolatile wiper position storage, 40Ω typical wiper resistance at 5V, and <5µA total standby current - used for precision voltage divider calibration in industrial sensor signal conditioning.
For engineers reviewing the X9250TS24IZ-2.7 datasheet, X9250TS24IZ-2.7 pinout, X9250TS24IZ-2.7 application, or X9250TS24IZ-2.7 equivalent, key selection criteria include its extended low-voltage VCC range (2.7V–5.5V), guaranteed operation down to –40°C, Pb-free SOIC-24 package, and hardware write-protect (WP) pin for secure nonvolatile register updates.
Technical Context
The X9250TS24IZ-2.7 implements four independent 255-segment resistor arrays with CMOS switch-controlled wipers, each driven by an 8-bit volatile Wiper Counter Register (WCR) and backed by four 8-bit nonvolatile Data Registers (DR0–DR3). Its SPI interface supports full-duplex communication with rising-edge data latching on SI and falling-edge data output on SO, plus HOLD pin for mid-transaction pause.
It operates with asymmetric dual analog supplies (V+/V–) enabling true bipolar signal adjustment, while digital logic runs from a separate VCC (2.7V–5.5V). Power-up automatically loads DR0 into each WCR, and nonvolatile writes require CS high-to-low transition after instruction completion, with internal 5–10ms write cycle time confirmed by WIP bit polling.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| VCC Range | 2.7V to 5.5V - enables direct interfacing with 3.3V and 5V microcontrollers without level-shifting. |
| Analog Supply Range | V+ = +2.7V to +5.5V; V– = –5.5V to –2.7V - supports true bipolar operation for AC-coupled or offset-adjustment circuits. |
| Resolution | 256 taps (0.4% step size) - provides 8-bit granularity for fine gain/offset tuning in closed-loop systems. |
| Wiper Resistance | 40Ω typical at VCC = 5V - minimizes loading error in high-impedance feedback paths (e.g., op-amp gain setting). |
| Standby Current | <5µA total package - suitable for battery-powered instrumentation requiring ultra-low quiescent power. |
| Data Retention | 100 years - ensures factory-calibrated settings persist over product lifetime without refresh. |
| Endurance | 100,000 data changes per bit per register - supports frequent recalibration in test equipment or adaptive systems. |
Pinout & Package
Package: 24-lead SOIC (300 mil), RoHS-compliant Pb-free finish (M24.3 drawing), -40°C to +85°C operating temperature.
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| 1 S0 | Serial Output | Tri-state SPI data output; driven on falling SCK edge during read cycles. |
| 2 A0 | Device Address LSB | Configures 2-bit slave address; allows up to 4 X9250 devices on same SPI bus. |
| 3 VW3/RW3 | Potentiometer 3 Wiper | Output terminal of fourth 100kΩ resistor array; connects to op-amp input or feedback node. |
| 4 V+ | Analog Positive Supply | Provides positive rail for all four potentiometer arrays; must be ≥ |V–| and ≤ +5.5V. |
| 5 VCC | Digital Supply | Power for SPI interface and control logic; independent of V+/V–, supports 2.7V–5.5V. |
| 6 VL0/RL0 | Potentiometer 0 Low Terminal | Fixed end of first resistor array; tied to system ground or negative reference in voltage divider. |
| 7 HOLD | Serial Communication Pause | Halts SPI transaction without resetting state when pulled LOW while SCK is LOW. |
| 8 SCK | Serial Clock | Input clock for SPI; rising edge latches SI data, falling edge clocks SO data. |
| 9 VL2/RL2 | Potentiometer 2 Low Terminal | Fixed end of third resistor array; used for independent biasing in multi-channel sensor interfaces. |
| 10 VH2/RH2 | Potentiometer 2 High Terminal | Fixed end of third array; connects to V+ or positive reference for ratiometric scaling. |
| 11 VW2/RW2 | Potentiometer 2 Wiper | Adjustable tap point for third array; delivers calibrated voltage to ADC reference or DAC feedback. |
| 12 V– | Analog Negative Supply | Provides negative rail for bipolar operation; must be ≤ –2.7V and ≥ –5.5V. |
| 13 VSS | Digital Ground | Reference for VCC, SI, SO, SCK, CS, HOLD, WP, A0, A1 - isolated from analog ground plane. |
| 14 VW1/RW1 | Potentiometer 1 Wiper | Adjustable tap for second array; used in dual-supply op-amp offset nulling circuits. |
| 15 VH1/RH1 | Potentiometer 1 High Terminal | Fixed end of second array; referenced to V+ for symmetric bipolar gain control. |
| 16 VL1/RL1 | Potentiometer 1 Low Terminal | Fixed end of second array; referenced to V– for full-range bipolar adjustment. |
| 17 CS | Chip Select | Active-low enable; must transition HIGH→LOW before any SPI command; places SO in high-Z when HIGH. |
| 18 A1 | Device Address MSB | Second address bit; combined with A0 to select one of four devices on shared SPI bus. |
| 19 SI | Serial Input | SPI data input; latched on rising SCK edge; can be wired to SO for single-wire half-duplex mode. |
| 20 WP | Hardware Write Protect | LOW disables nonvolatile writes to DR0–DR3; prevents accidental calibration loss during field operation. |
| 21 VH3/RH3 | Potentiometer 3 High Terminal | Fixed end of fourth array; used for independent gain scaling in multi-channel audio preamps. |
| 22 VL3/RL3 | Potentiometer 3 Low Terminal | Fixed end of fourth array; referenced to V– for full-scale negative excursion in AC signal paths. |
| 23 VH0/RH0 | Potentiometer 0 High Terminal | Fixed end of first array; connects to V+ for unipolar voltage division in power supply feedback. |
| 24 VW0/RW0 | Potentiometer 0 Wiper | Primary adjustable output; commonly used for DAC-less programmable reference voltage generation. |
Key Features
| Feature | Design Value |
|---|---|
| Quad 256-tap XDCP arrays | Enables simultaneous calibration of four independent signal paths (e.g., multi-sensor front-end) in single IC. |
| Nonvolatile wiper storage (DR0–DR3) | Preserves user-defined trim settings across power cycles - eliminates need for external EEPROM or MCU reinitialization. |
| SPI interface with HOLD pin | Supports interrupt-driven host control and safe mid-transaction suspension - critical for real-time embedded systems. |
| Asymmetric V+/V– analog supplies | Allows true bipolar wiper voltage swing (e.g., ±2.5V) without external level shifters or charge pumps. |
| Hardware write protection (WP pin) | Physically blocks nonvolatile register writes - prevents firmware bugs or ESD events from corrupting factory calibration. |
| 100kΩ end-to-end resistance | Optimized for low-noise, low-power applications where 100kΩ matches standard op-amp feedback networks. |
Applications
| Industrial Sensor Calibration | Programmable Power Supply Feedback |
|---|---|
|
Use Scenario: Calibrating offset/gain of 4-channel RTD or thermocouple amplifier modules in PLC analog input cards. IC Role / Device Role / Timing Role: Each X9250TS24IZ-2.7 potentiometer adjusts DC bias or gain-setting resistors in dedicated instrumentation amplifier channels. Use Value: Eliminates manual trimpots and post-manufacturing calibration labor; enables automated self-test and field recalibration via SPI. |
Use Scenario: Setting precise output voltage of isolated DC-DC converters in telecom power shelves using TL431-based feedback. IC Role / Device Role / Timing Role: X9250TS24IZ-2.7 acts as digitally programmable upper feedback resistor in voltage divider network. Use Value: Supports remote voltage reconfiguration without hardware change; nonvolatile storage retains setpoint after power loss. |
| Bipolar Signal Conditioning | Multi-Channel Audio Level Control |
|
Use Scenario: Adjusting common-mode voltage and gain in ±12V op-amp circuits for vibration sensor signal conditioning. IC Role / Device Role / Timing Role: X9250TS24IZ-2.7 provides bipolar-adjustable reference and feedback resistors for dual-supply amplifiers. Use Value: Enables full-range AC signal trimming (e.g., ±5V input → ±2.5V output) without discrete resistor networks. |
Use Scenario: Independent volume control for four audio channels in professional mixer or broadcast equipment. IC Role / Device Role / Timing Role: Each potentiometer functions as two-terminal variable resistor in op-amp inverting attenuator stage. Use Value: Replaces mechanical pots with software-controlled, noise-immune, and wear-free attenuation. |
Equivalent & Alternatives
The following parts are listed as comparable options for similar digitally controlled potentiometer applications.
| Alternative Part | Technical Difference | Application Difference | Selection Advice |
|---|---|---|---|
| AD5242BRUZ100 | Single 256-tap 100kΩ pot; I²C interface; no V+/V– dual supply; 24-lead TSSOP only. | Lacks quad integration and bipolar analog supply capability - requires four ICs and external level shifting for same functionality. | Select when I²C bus is preferred and bipolar operation is unnecessary; not drop-in compatible due to interface and supply architecture. |
| MCP42050-I/P | Dual 256-tap 50kΩ pot; SPI interface; single VDD (2.7V–5.5V); no nonvolatile storage; 14-lead PDIP/SOIC. | Half the channel count, no nonvolatile memory, and lower resistance - unsuitable for calibration retention or 4-channel systems. | Choose for cost-sensitive dual-channel applications without calibration persistence requirements; pinout and register map differ significantly. |
Compared with AD5242BRUZ100 and MCP42050-I/P, the X9250TS24IZ-2.7 uniquely delivers quad-channel, nonvolatile, bipolar-capable digital potentiometry in a single SOIC-24 package - reducing BOM count, PCB area, and firmware complexity for multi-parameter calibration systems.
Availability
X9250TS24IZ-2.7 is available at Aetrix Electronics and suitable for industrial sensor calibration, programmable power supply feedback, bipolar signal conditioning, and multi-channel audio level control requiring stable component supply across extended temperature and voltage ranges.
Supply support for X9250TS24IZ-2.7 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 reliability and precision.
The X9250 series was engineered specifically for digitally programmable precision resistor replacement in calibration-critical systems - targeting applications where mechanical potentiometers fail due to wear, drift, or manual adjustment limitations.
FAQ
What is the minimum VCC voltage supported by the X9250TS24IZ-2.7?
The X9250TS24IZ-2.7 supports VCC from 2.7V to 5.5V, making it compatible with both 3.3V and 5V logic systems. This extended low-voltage capability is explicitly defined in the "Ordering Information" table and "Recommended Operating Conditions" section of the FN8165 datasheet, distinguishing it from the standard X9250 variant rated for 5V ±10%.
Does the X9250TS24IZ-2.7 support true bipolar analog operation?
Yes, the X9250TS24IZ-2.7 supports true bipolar analog operation via independent V+ (+2.7V to +5.5V) and V– (–5.5V to –2.7V) supplies. This allows wiper voltages to span the full range between V– and V+, enabling applications like AC-coupled signal offset adjustment without external level-shifting circuitry.
How many nonvolatile registers does the X9250TS24IZ-2.7 provide per potentiometer?
The X9250TS24IZ-2.7 provides four 8-bit nonvolatile Data Registers (DR0–DR3) for each of its four potentiometers. These registers store wiper positions or system parameters and retain data for 100 years, with endurance rated at 100,000 write cycles per bit - confirmed in the "Endurance and Data Retention" section of the datasheet.
Can the X9250TS24IZ-2.7 be used with a single 3.3V supply?
Yes, the X9250TS24IZ-2.7 operates with VCC = 3.3V (within 2.7V–5.5V), but analog operation requires separate V+ and V– supplies. For unipolar use, V– can be tied to ground and V+ to 3.3V; for bipolar use, V+ and V– must be set to complementary rails (e.g., +2.7V/–2.7V), independent of VCC.
What is the function of the WP pin on the X9250TS24IZ-2.7?
The WP (Write Protect) pin on the X9250TS24IZ-2.7 disables all nonvolatile writes to the Data Registers when held LOW. This hardware-level protection prevents accidental overwriting of factory-calibrated values during system operation or firmware updates - a critical feature for field-deployed instrumentation.
X9250TS24IZ-2.7 Specifications
- Product attributes
- Attribute value
- Manufacturer:
- Renesas
- Series:
- XDCP™
- Package/Case:
- 24-SOIC (0.295", 7.50mm Width)
- Packaging:
- Tube
- Product Status:
- Active
- Programmable:
- Not Verified
- Taper:
- Linear
- Configuration:
- Potentiometer
- Number of Circuits:
- 4
- Number of Taps:
- 256
- Resistance (Ohms):
- 100k
- Interface:
- SPI
- Memory Type:
- Non-Volatile
- Voltage - Supply:
- ±2.7V ~ 5.5V
- 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):
- 150
X9250TS24IZ-2.7 FAQ
1.How can I place an order for X9250TS24IZ-2.7 through Aetrix?
Please submit a Request for Quotation (RFQ) for X9250TS24IZ-2.7 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 X9250TS24IZ-2.7 reliable?
The price and inventory of X9250TS24IZ-2.7 are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for X9250TS24IZ-2.7 is usually 5 days.
3.What payment methods are accepted for X9250TS24IZ-2.7?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for X9250TS24IZ-2.7 transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for X9250TS24IZ-2.7?
X9250TS24IZ-2.7 orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your X9250TS24IZ-2.7 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 X9250TS24IZ-2.7?
For technical support, including X9250TS24IZ-2.7 datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your X9250TS24IZ-2.7 requirements.
6.How does Aetrix verify that X9250TS24IZ-2.7 is sourced from the original manufacturer or authorized distributors?
All X9250TS24IZ-2.7 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 X9250TS24IZ-2.7 meets industry standards.
7.What is the process for return or replacement of X9250TS24IZ-2.7?
All X9250TS24IZ-2.7 units undergo pre-shipment inspection (PSI). If there is an issue with X9250TS24IZ-2.7, 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 X9250TS24IZ-2.7 part is unused and in its original packaging.
Return procedure for X9250TS24IZ-2.7:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
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