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Renesas X9313USIZT1
- Part No.:
- X9313USIZT1
- Manufacturer:
- Renesas
- Category:
- Digital Potentiometers
- Package:
- 8-SOIC (0.154", 3.90mm Width)
- Datasheet:
-
X9313USIZT1.pdf
- Description:
- IC DGTL POT 50KOHM 32TAP 8SOIC
- Quantity:
- Payment:
- Shipping:
Inventory:4,813
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Product details
Overview
X9313USIZT1 from Intersil is a digitally controlled potentiometer (XDCP™) with 32 linear tap positions, 3-wire serial interface (CS/U/D/INC), nonvolatile wiper position storage, and ±VCC terminal voltage capability. It implements a 31-element resistor array with make-before-break switching, operates at 3V–5.5V supply, and delivers 10kΩ end-to-end resistance for precision analog trimming in industrial control systems.
For engineers reviewing the X9313USIZT1 datasheet, X9313USIZT1 pinout, X9313USIZT1 application, or X9313USIZT1 equivalent, key selection criteria include its industrial temperature range (−40°C to +85°C), SOIC-8 Pb-free RoHS-compliant package, nonvolatile recall on power-up, and compatibility with low-power embedded systems requiring stable analog adjustment without microcontroller GPIO overhead.
Technical Context
The X9313USIZT1 integrates a 5-bit up/down counter, nonvolatile memory for wiper position retention, and a resistor array with 31 matched elements. Its control logic responds to CS-select, U/D direction, and negative-edge-triggered INC signals to move the wiper across 32 discrete taps.
Wiper movement follows make-before-break switching to prevent open-circuit transients; terminal voltages support rail-to-rail operation from −VCC to +VCC, and the device enters standby mode (≤500µA) when deselected-enabling low-power system-level trimming.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| End-to-end resistance | 10kΩ ±20% - defines full-scale analog range and current-handling capability in voltage divider or variable resistor configurations |
| Wiper resolution | 32 taps (31 segments) - enables 3.125% step resolution for fine-grained analog parameter tuning |
| Supply voltage range | 3V to 5.5V - supports dual-voltage systems and battery-backed operation without level-shifting |
| Terminal voltage range | −VCC to +VCC - allows bipolar signal conditioning and AC-coupled applications without external biasing |
| Nonvolatile endurance | 100,000 wiper position changes - ensures long-term reliability in field-adjustable calibration loops |
| Power-up behavior | Recalls last stored wiper position - eliminates startup drift and guarantees repeatable initial analog state |
| Standby current | ≤500µA - minimizes quiescent power in always-on sensor front-ends and IoT edge nodes |
Pinout & Package
Package: 8-lead SOIC (Pb-free, RoHS-compliant), 3.9mm × 4.9mm body, 1.27mm pitch, M8.15 outline.
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| VCC | Positive supply input | Provides power for internal logic and resistor array; accepts 3V–5.5V with ±10% tolerance |
| VSS | Ground reference | Return path for supply and signal currents; must be low-impedance for noise immunity |
| RH/VH | High terminal | Fixed end of resistor array; functions as VH in voltage divider or RH in variable resistor mode |
| RL/VL | Low terminal | Fixed end opposite RH/VH; referenced to VSS or negative rail per application configuration |
| RW/VW | Wiper output | Movable tap point; series resistance ≤100Ω at 5V enables direct connection to op-amp inputs or ADC references |
| CS | Chip select | Active-low enable; stores wiper position when rising edge occurs while INC = HIGH |
| U/D | Direction control | Sets wiper increment/decrement direction during INC transitions; latched while CS = LOW |
| INC | Increment clock | Negative-edge-triggered; moves wiper one tap per pulse; timing min. high/low period = 1µs |
Key Features
| Feature | Design Value |
|---|---|
| Nonvolatile wiper storage | Retains last position for ≥100 years; eliminates need for external EEPROM or host re-initialization on power cycle |
| Make-before-break switching | Prevents momentary open-circuit at wiper during tap transitions-critical for stable feedback in closed-loop amplifiers |
| Temperature-compensated array | ±300 ppm/°C end-to-end TC and ±20 ppm/°C ratiometric TC ensure stable gain/offset over industrial temperature range |
| Rail-to-rail terminal voltage | Supports −VCC to +VCC operation-enables AC signal attenuation, bipolar offset adjustment, and true differential trimming |
| Low-power standby mode | 500µA max. current when CS = HIGH-reduces system power budget in battery-powered instrumentation |
Applications
| Industrial Sensor Calibration | Programmable Gain Amplifier |
|---|---|
Use Scenario: Adjusting zero and span offsets in 4–20mA transmitter front-ends under varying ambient temperatures. IC Role / Device Role / Timing Role: Two-terminal variable resistor configured between op-amp feedback and reference paths to set precise loop gain and DC bias. Use Value: Nonvolatile recall ensures factory calibration persists across power cycles; ±300 ppm/°C TC maintains accuracy over −40°C to +85°C operating range. | Use Scenario: Dynamically scaling analog sensor outputs (e.g., thermocouple, strain gauge) before ADC sampling in data acquisition modules. IC Role / Device Role / Timing Role: Three-terminal potentiometer used as programmable voltage divider feeding noninverting amplifier input to adjust system gain in 32 discrete steps. Use Value: 32-tap resolution provides ≤3.125% gain granularity; rail-to-rail terminal voltage accommodates bipolar sensor signals without external level shifters. |
| Audio Volume Control | Power Supply Trim |
Use Scenario: Replacing mechanical pots in professional audio mixers for channel-level attenuation with remote digital control. IC Role / Device Role / Timing Role: Three-terminal potentiometer wired as voltage divider between audio source and amplifier input to attenuate signal amplitude. Use Value: Make-before-break switching prevents audible click/pop artifacts during volume changes; low wiper resistance (<100Ω) avoids signal loading in high-impedance audio paths. | Use Scenario: Fine-tuning output voltage of adjustable DC-DC converters (e.g., LM317-based supplies) in test equipment and lab power supplies. IC Role / Device Role / Timing Role: Two-terminal variable resistor replacing fixed feedback resistor in voltage regulator feedback network to set precise output voltage. Use Value: 10kΩ RTOTAL matches standard regulator design values; nonvolatile storage retains user-set voltage after power-down and cold restart. |
Equivalent & Alternatives
The following parts are listed as comparable options for similar digitally controlled potentiometer applications.
| Alternative Part | Technical Difference | Application Difference | Selection Advice |
|---|---|---|---|
| AD5243BRMZ10 | I²C interface, dual-channel, 256-tap resolution, 10kΩ RTOTAL, 2.7–5.5V supply | Requires I²C bus resources and supports dual independent pots; higher resolution but no ±VCC terminal voltage support | Choose for multi-pot systems needing I²C simplicity and finer resolution; avoid where bipolar signal handling or minimal GPIO count is critical |
| MCP41010-I/P | SPI interface, single-channel, 257-tap resolution, 10kΩ RTOTAL, 2.7–5.5V supply, volatile wiper register | Lacks nonvolatile storage-requires host MCU to reload wiper position on every power-up; no −VCC capability | Choose for cost-sensitive designs with guaranteed MCU presence and no requirement for power-loss retention |
Compared with AD5243BRMZ10 and MCP41010-I/P, the X9313USIZT1 uniquely combines 3-wire minimal GPIO usage, nonvolatile recall, and ±VCC terminal voltage-making it optimal for standalone industrial trim applications where reliability, bipolar signal support, and zero-host-initialization are mandatory.
Availability
X9313USIZT1 is available at Aetrix Electronics and suitable for industrial sensor calibration, programmable gain amplification, audio volume control, and power supply trimming requiring stable component supply across extended temperature ranges and long product lifecycles.
Supply support for X9313USIZT1 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 precision analog and power management semiconductor provider, now part of Renesas Electronics, with deep expertise in high-reliability industrial and infrastructure solutions.
The X9313USIZT1 belongs to Intersil's XDCP™ family of digitally controlled potentiometers, engineered for robust analog trimming in harsh environments where mechanical potentiometers fail due to wear, contamination, or vibration.
FAQ
What is the operating temperature range for the X9313USIZT1?
The X9313USIZT1 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 (Page 5) of the FN8177 datasheet. The device maintains specified performance-including ±20% end-to-end resistance tolerance and ±300 ppm/°C temperature coefficient-across this full range, making it suitable for deployment in outdoor instrumentation, factory automation, and automotive under-hood subsystems.
Does the X9313USIZT1 retain its wiper position after power loss?
Yes, the X9313USIZT1 stores the wiper position in nonvolatile memory and automatically recalls it on power-up. As stated in the Features section (Page 1) and Principles of Operation (Page 3), the wiper value is retained for ≥100 years and restored within 10µs after VCC stabilizes. This behavior is intrinsic to the X9313USIZT1's architecture and requires no external components or host intervention-ensuring consistent analog settings across uncontrolled power cycles.
Can the X9313USIZT1 be used with negative voltages on its terminals?
Yes, the X9313USIZT1 supports terminal voltages from −VCC to +VCC, enabling true bipolar operation. Per the Absolute Maximum Ratings (Page 5) and Potentiometer Characteristics table (Page 5), VH and VL may swing symmetrically around VSS-for example, −5V to +5V when VCC = 5V. This capability allows the X9313USIZT1 to function in AC-coupled signal paths, offset adjustment circuits, and differential amplifiers without external level-shifting circuitry.
What package type does the X9313USIZT1 use?
The X9313USIZT1 uses an 8-lead narrow-body SOIC package (Pb-free, RoHS-compliant), designated as M8.15 in Intersil's packaging documentation. This is explicitly listed in the Ordering Information table (Page 2) under "X9313USIZ*" with "8 Ld SOIC (Pb-free)" and "PKG. DWG. # M8.15". The package measures 3.9mm × 4.9mm with 1.27mm lead pitch and is compatible with standard surface-mount reflow processes.
How many wiper positions does the X9313USIZT1 provide?
The X9313USIZT1 provides 32 discrete wiper tap positions, corresponding to 31 resistive elements in its linear array. This is stated in the title block ("32 Taps"), Features list ("32 wiper tap points"), and Block Diagram (Page 1). Each tap represents one minimum increment (MI = RTOTAL/31), delivering 3.125% resolution for precise analog adjustment-ideal for calibration tasks demanding repeatability and stability over time and temperature.
X9313USIZT1 Specifications
- Product attributes
- Attribute value
- Manufacturer:
- Renesas
- Series:
- XDCP™
- Package/Case:
- 8-SOIC (0.154", 3.90mm Width)
- Packaging:
- Tape & Reel (TR)
- Product Status:
- Active
- Programmable:
- Not Verified
- Taper:
- Linear
- Configuration:
- Potentiometer
- Number of Circuits:
- 1
- Number of Taps:
- 32
- Resistance (Ohms):
- 50k
- Interface:
- Up/Down (U/D, INC, CS)
- Memory Type:
- Non-Volatile
- Voltage - Supply:
- 5V
- Features:
- -
- Tolerance:
- ±20%
- Temperature Coefficient (Typ):
- ±300ppm/°C
- Mounting Type:
- Surface Mount
- Grade:
- -
- Qualification:
- -
- Supplier Device Package:
- 8-SOIC
- Operating Temperature:
- -40°C ~ 85°C
- Resistance - Wiper (Ohms) (Typ):
- 40
X9313USIZT1 FAQ
1.How can I place an order for X9313USIZT1 through Aetrix?
Please submit a Request for Quotation (RFQ) for X9313USIZT1 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 X9313USIZT1 reliable?
The price and inventory of X9313USIZT1 are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for X9313USIZT1 is usually 5 days.
3.What payment methods are accepted for X9313USIZT1?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for X9313USIZT1 transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for X9313USIZT1?
X9313USIZT1 orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your X9313USIZT1 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 X9313USIZT1?
For technical support, including X9313USIZT1 datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your X9313USIZT1 requirements.
6.How does Aetrix verify that X9313USIZT1 is sourced from the original manufacturer or authorized distributors?
All X9313USIZT1 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 X9313USIZT1 meets industry standards.
7.What is the process for return or replacement of X9313USIZT1?
All X9313USIZT1 units undergo pre-shipment inspection (PSI). If there is an issue with X9313USIZT1, 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 X9313USIZT1 part is unused and in its original packaging.
Return procedure for X9313USIZT1:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
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