My Inquiry
My Account
Renesas X9259US24IZ-2.7
- Part No.:
- X9259US24IZ-2.7
- Manufacturer:
- Renesas
- Category:
- Digital Potentiometers
- Package:
- 24-SOIC (0.295", 7.50mm Width)
- Datasheet:
-
X9259US24IZ-2.7.pdf
- Description:
- IC DGTL POT 50KOHM 256TAP 24SOIC
- Quantity:
- Payment:
- Shipping:
Inventory:3,650
Please send an inquiry. Send us your inquiry, and we will respond immediately.
Product details
Overview
X9259US24IZ-2.7 from Renesas (formerly Intersil) is a quad digitally controlled potentiometer (XDCP™) IC integrating four independent 256-tap, 50kΩ end-to-end resistance DCPs with nonvolatile data registers and 2-wire serial interface. It operates from 2.7V to 5.5V, delivers <5µA standby current, and supports industrial temperature range (–40°C to +85°C) in 24-lead SOIC packaging. It replaces mechanical potentiometers in precision analog trimming applications such as gain control, DC bias setting, and sensor signal conditioning.
For engineers reviewing the X9259US24IZ-2.7 datasheet, X9259US24IZ-2.7 pinout, X9259US24IZ-2.7 application, or X9259US24IZ-2.7 equivalent, key selection criteria include its quad-channel architecture, 2.7V minimum supply, –40°C to +85°C rating, 50kΩ total resistance, and hardware write-protect (WP) functionality - all critical for robust embedded analog control designs.
Technical Context
The X9259US24IZ-2.7 implements four independent digital potentiometers using resistor arrays and CMOS switches, each with an 8-bit volatile Wiper Counter Register (WCR) and four 8-bit nonvolatile Data Registers (DR00–DR33). Wiper position is set via 2-wire bus (SDA/SCL) using instructions including Write/Read WCR, XFR between DR and WCR, and Increment/Decrement mode.
Power-up loads DR#0 into each WCR; WP pin disables nonvolatile writes when asserted low. The device supports up to 16 devices on one 2-wire bus via A0–A3 address pins, and features ratiometric temperature coefficient of ±20 ppm/°C and wiper resistance of 300Ω at 3V (typical).
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| Total Resistance (RTOTAL) | 50kΩ - defines full-scale analog adjustment range for voltage divider or variable resistor configurations |
| Resolution | 256 taps (0.4% per step) - enables fine-grained analog tuning with 8-bit digital control |
| Supply Voltage Range | 2.7V to 5.5V - supports single-supply operation across battery-powered and industrial rails |
| Temperature Range | –40°C to +85°C - qualified for industrial-grade reliability without derating |
| Standby Current | <5µA max - minimizes quiescent power in always-on or low-power systems |
| Nonvolatile Endurance | 100,000 data changes per bit - ensures long-term register update reliability over product lifetime |
| Data Retention | 100 years - guarantees persistent wiper settings across decades of storage or field use |
Pinout & Package
Package: 24-lead SOIC (RoHS-compliant, M24.3 package drawing), surface-mount, industrial temperature grade.
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| A0–A3 | 2-wire slave address inputs | Set LSBs of 8-bit I²C address (0101xxxx); enable up to 16 devices on same bus |
| SDA | 2-wire bidirectional data line | Open-drain I/O requiring external pull-up; carries instruction/data during read/write/XFR operations |
| SCL | 2-wire clock input | Master-provided clock synchronizing all serial transfers; supports up to 400kHz |
| WP | Hardware write-protect input | Active-low pin disabling nonvolatile writes to Data Registers - prevents accidental configuration loss |
| RH0–RH3 / RL0–RL3 | Fixed terminals per DCP | Equivalent to mechanical pot ends; define resistor array endpoints for each of four channels |
| RW0–RW3 | Wiper terminals per DCP | Digitally steerable tap points; output voltage scales linearly between RHx and RLx based on WCR value |
| VCC / VSS | Power supply and ground | Single 2.7–5.5V supply; VCC must remain ≥ all RH/RL/RW voltages during operation |
Key Features
| Feature | Design Value |
|---|---|
| Quad independent DCPs | Four fully isolated 50kΩ, 256-tap potentiometers in one SOIC - eliminates board space and BOM count vs. discrete solutions |
| Nonvolatile data storage | Four 8-bit DRs per channel retain wiper positions through power cycles - enables true "set-and-forget" calibration |
| Hardware write protection | WP pin blocks nonvolatile writes independently of software - prevents field corruption during firmware updates or resets |
| Low-power standby mode | <5µA ICC2 standby current - suitable for battery-backed or energy-harvesting systems requiring extended sleep |
| Industrial temperature rating | –40°C to +85°C operation with ±20 ppm/°C ratiometric tempco - ensures stable analog performance across harsh environments |
Applications
| Audio Gain Control | Sensor Signal Conditioning |
|---|---|
Use Scenario: Adjusting volume or gain in analog audio paths of home entertainment or communication systems. IC Role / Device Role / Timing Role: Acts as digitally programmable two-terminal variable resistor in amplifier feedback loop or attenuator stage. Use Value: Enables remote, repeatable, and drift-free gain adjustment without mechanical wear or manual recalibration. |
Use Scenario: Trimming offset and scaling output of temperature, pressure, or current sensors in industrial monitoring systems. IC Role / Device Role / Timing Role: Functions as precision three-terminal potentiometer to set zero-point and scale factor in analog front-end circuitry. Use Value: Delivers factory- or field-programmable calibration with 0.4% resolution and 100-year nonvolatile retention. |
| DC Bias Adjustment | LED Power Regulation |
Use Scenario: Setting DC operating points for RF power amplifiers or op-amp bias networks in wireless infrastructure. IC Role / Device Role / Timing Role: Serves as programmable voltage divider to generate stable reference bias voltages from system supply rails. Use Value: Provides immunity to thermal drift (±20 ppm/°C ratiometric) and eliminates manual trimmer replacement during production test. |
Use Scenario: Controlling forward current in high-brightness LED transmitters used in optical communication or lighting systems. IC Role / Device Role / Timing Role: Configured as two-terminal variable resistor in LED current-limiting path to regulate optical output power. Use Value: Allows closed-loop brightness control via microcontroller without analog DAC or external current-sense components. |
Equivalent & Alternatives
The following parts are listed as comparable options for similar digitally controlled potentiometer applications.
| Alternative Part | Technical Difference | Application Difference | Selection Advice |
|---|---|---|---|
| AD5242BRUZ10 | Single 10kΩ dual-channel DCP; I²C interface; 24-lead TSSOP; no hardware WP pin | Lacks quad-channel integration and industrial temp grade; lower RTOTAL limits max voltage drop capability | Choose when dual-channel suffices and cost sensitivity outweighs channel count and ruggedness requirements |
| MCP42050-I/P | Dual 50kΩ DCP in 14-pin PDIP; SPI interface; no nonvolatile DRs - wiper defaults to mid-scale on power-up | No persistent storage; requires host MCU to reinitialize settings; incompatible pinout and protocol | Select only for legacy SPI-based designs where nonvolatility and quad-channel density are not required |
Compared with AD5242BRUZ10 and MCP42050-I/P, the X9259US24IZ-2.7 uniquely combines quad-channel 50kΩ DCPs, hardware write protection, industrial temperature rating, and 100-year nonvolatile data retention - making it optimal for high-reliability, multi-parameter analog calibration in embedded industrial systems.
Availability
X9259US24IZ-2.7 is available at Aetrix Electronics and suitable for industrial sensor calibration, LED driver biasing, audio gain control, and RF amplifier DC biasing requiring stable component supply across extended temperature ranges and long product lifecycles.
Supply support for X9259US24IZ-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
Renesas Electronics Corporation (formerly Intersil) is a global semiconductor leader specializing in analog, mixed-signal, and power management ICs for industrial, automotive, and communications markets.
The X9259 series was designed as a drop-in digital replacement for mechanical potentiometers in precision analog trimming applications - emphasizing nonvolatile configuration, industrial reliability, and seamless 2-wire integration into embedded control systems.
FAQ
What is the supply voltage range for the X9259US24IZ-2.7?
The X9259US24IZ-2.7 operates from 2.7V to 5.5V, as specified in the ordering information and Absolute Maximum Ratings table. This extended low-voltage capability enables compatibility with modern low-power microcontrollers and battery-operated systems, while maintaining full functionality across the entire range - unlike standard 5V-only variants such as X9259US24IZ.
How many independent potentiometers does the X9259US24IZ-2.7 contain?
The X9259US24IZ-2.7 integrates four completely independent digitally controlled potentiometers (DCPs), each with its own RH, RL, and RW terminals, dedicated Wiper Counter Register (WCR), and four nonvolatile Data Registers (DR00–DR33). This quad architecture allows simultaneous, isolated analog adjustments in multi-channel systems without crosstalk.
Does the X9259US24IZ-2.7 retain wiper settings after power loss?
Yes - the X9259US24IZ-2.7 retains wiper positions via nonvolatile Data Registers. On power-up, it automatically loads DR#0 values into each WCR. Each DR supports 100,000 write cycles and 100-year data retention, ensuring reliable configuration persistence across decades of field operation without external EEPROM.
What interface protocol does the X9259US24IZ-2.7 use?
The X9259US24IZ-2.7 uses a standard 2-wire (I²C-compatible) serial interface with SDA and SCL pins. It supports up to 400kHz clock frequency, accepts 8-bit slave addresses formed by A0–A3 pins, and implements nine distinct instructions including Read/Write WCR, XFR between registers, and Increment/Decrement mode for real-time tuning.
Is there hardware write protection on the X9259US24IZ-2.7?
Yes - the X9259US24IZ-2.7 includes a dedicated active-low WP (Write Protect) pin. When pulled low, it disables all nonvolatile writes to the Data Registers, preventing accidental overwrites during firmware updates, brown-out conditions, or debug sessions - a critical safeguard for field-deployed calibration data.
X9259US24IZ-2.7 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):
- 50k
- Interface:
- I2C
- 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):
- 300 (Max)
X9259US24IZ-2.7 FAQ
1.How can I place an order for X9259US24IZ-2.7 through Aetrix?
Please submit a Request for Quotation (RFQ) for X9259US24IZ-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 X9259US24IZ-2.7 reliable?
The price and inventory of X9259US24IZ-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 X9259US24IZ-2.7 is usually 5 days.
3.What payment methods are accepted for X9259US24IZ-2.7?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for X9259US24IZ-2.7 transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for X9259US24IZ-2.7?
X9259US24IZ-2.7 orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your X9259US24IZ-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 X9259US24IZ-2.7?
For technical support, including X9259US24IZ-2.7 datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your X9259US24IZ-2.7 requirements.
6.How does Aetrix verify that X9259US24IZ-2.7 is sourced from the original manufacturer or authorized distributors?
All X9259US24IZ-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 X9259US24IZ-2.7 meets industry standards.
7.What is the process for return or replacement of X9259US24IZ-2.7?
All X9259US24IZ-2.7 units undergo pre-shipment inspection (PSI). If there is an issue with X9259US24IZ-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 X9259US24IZ-2.7 part is unused and in its original packaging.
Return procedure for X9259US24IZ-2.7:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
X9259US24IZ-2.7 Tags
-
MCP4018T-103E/LT
Microchip Technology
-
MCP4018T-503E/LT
Microchip Technology
-
MCP4011T-103E/SN
Microchip Technology
-
MCP4018T-104E/LT
Microchip Technology
-
MCP4017T-503E/LT
Microchip Technology
-
MCP4018T-502E/LT
Microchip Technology
-
MCP4017T-103E/LT
Microchip Technology
-
MCP4531T-103E/MF
Microchip Technology
-
MCP4021T-202E/SN
Microchip Technology
-
MCP4023T-103E/CH
Microchip Technology
-
MCP4022T-503E/CH
Microchip Technology
-
MCP4551T-502E/MS
Microchip Technology
Tech Hub
TTL and CMOS logic families differ in thresholds, loading, output drive, power and timing. This engineering guide compares 74HC and 74HCT, calculates noise margins and checks 3.3 V/5 V compatibility.
A practical engineering guide to 3.3V and 5V logic compatibility, input thresholds, resistor dividers, translator ICs, MOSFET level shifting, I2C pull-ups, timing limits and power-sequencing risks.
The 74HC595 uses push-pull logic outputs, while the TPIC6B595 uses 50 V open-drain DMOS sinks for higher-power loads. This guide compares timing, current limits, 3.3 V interfacing, load wiring, thermal…
The 74HC595 converts serial data into eight stable parallel outputs. This guide covers pin functions, shift and storage timing, OE and MR behavior, drive-current limits, cascading, voltage compatibilit…
A technical comparison of level-sensitive latches and edge-triggered flip-flops, covering timing windows, setup and hold limits, master–slave operation, time borrowing, race-through, HDL inference and…
A D latch stores one bit while Enable controls when data can pass. This reference covers gate-level operation, truth tables, transparency, setup and hold timing, LE versus OE, common ICs and practical …
An SR latch stores one bit through cross-coupled feedback. This engineering reference covers NOR and NAND implementations, truth tables, forbidden-state recovery, gated operation, switch debouncing, fa…
Latch circuits retain one bit through feedback. This technical reference covers SR and D latches, truth tables, transparency, timing limits, latch-versus-flip-flop behavior, applications and common log…
An engineering guide to LED driver operation, constant-current and constant-voltage outputs, linear and switching topologies, dimming, IC selection, calculations, replacement compatibility, and fault c…
Operational amplifier guide covering op amp basics, feedback, ideal vs real op amps, common configurations, buffer circuits, offset, bias current, gain-bandwidth, slew rate, rail-to-rail limits and sel…
