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Renesas X9C103SIZ
- Part No.:
- X9C103SIZ
- Manufacturer:
- Renesas
- Category:
- Digital Potentiometers
- Package:
- 8-SOIC (0.154", 3.90mm Width)
- Datasheet:
-
X9C103SIZ.pdf
- Description:
- IC DGTL POT 10KOHM 100TAP 8SOIC
- Quantity:
- Payment:
- Shipping:
Inventory:3,313
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Product details
Overview
X9C103SIZ from Renesas Electronics is a digitally controlled potentiometer (XDCP™) with 10 kΩ end-to-end resistance, 100 wiper tap points, non-volatile memory for power-up recall, ±5 V terminal voltage rating, and 8-lead SOIC package rated for -40°C to +85°C operation. It functions as a solid-state three-terminal potentiometer or two-terminal variable resistor in analog signal conditioning and parameter trimming circuits.
For engineers reviewing the X9C103SIZ datasheet, X9C103SIZ pinout, X9C103SIZ application, or X9C103SIZ equivalent, this device offers precise digital control of resistance with zero external components, guaranteed wiper position retention across power cycles, and compatibility with standard 5 V CMOS logic interfaces - critical for embedded calibration, sensor offset adjustment, and programmable gain stages.
Technical Context
The X9C103SIZ implements a 99-element resistor array with make-before-break wiper switching, controlled via a three-wire serial interface (CS, U/D, INC) using negative-edge-triggered increment logic. Its 7-bit up/down counter drives a decoder selecting one of 100 wiper positions, with storage into non-volatile memory triggered by CS↑ while INC = HIGH.
Internal charge pump enables full ±5 V analog terminal swing with single 5 V supply; wiper resistance is typ. 40 Ω, and absolute linearity is ±1 MI (±1% of RTOTAL). Temperature coefficient is ±300 ppm/°C over -40°C to +85°C, and ratiometric TC is ±20 ppm/°C - ensuring stable voltage-divider behavior under thermal variation.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| End-to-End Resistance | 10 kΩ ±20% - defines maximum adjustable resistance range and sets current limits in series applications. |
| Wiper Tap Points | 100 positions - provides 1% resolution per step (RTOTAL/99), enabling fine-grained analog tuning. |
| Terminal Voltage Range | ±5 V referenced to VSS - supports bipolar signal handling without dual supplies. |
| Non-Volatile Storage | 100-year data retention, 100,000 write cycles - ensures factory-set or user-trimmed values persist across decades and repeated recalibrations. |
| Supply Voltage | 5 V ±10% - compatible with standard TTL/CMOS logic rails and eliminates need for auxiliary regulators. |
| Operating Temperature | -40°C to +85°C - qualified for industrial-grade environments including motor controls and instrumentation. |
| Package | 8-lead SOIC (M8.15 footprint) - surface-mount compatible with automated assembly and IPC-compliant land patterns. |
Pinout & Package
8-lead narrow-body SOIC (M8.15), RoHS-compliant, with 1.27 mm lead pitch and JEDEC MS-012-AA compliance. Pin 1 marked by index notch or mold feature.
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| 1 INC | Increment clock input | Negative-edge-triggered control signal; toggling moves wiper one position in direction set by U/D. |
| 2 U/D | Direction control | Logic level determines wiper movement direction: HIGH = increment, LOW = decrement. |
| 3 VH/RH | High-side fixed terminal | Analog terminal at upper end of resistor array; accepts -5 V to +5 V; polarity label indicates relative position, not voltage sign. |
| 4 VSS | Ground reference | Primary return path for supply and analog signals; must be low-impedance for noise immunity. |
| 5 VW/RW | Wiper output terminal | Movable analog node; series resistance typ. 40 Ω; settles within 100 µs after INC edge. |
| 6 VL/RL | Low-side fixed terminal | Analog terminal at lower end of resistor array; accepts -5 V to +5 V; polarity label indicates relative position, not voltage sign. |
| 7 CS | Chip select | Active-low enable; HIGH while INC = HIGH stores wiper position to non-volatile memory. |
| 8 VCC | Positive supply | 5 V ±10% input powering logic, charge pump, and internal circuitry; ramp rate must be 0.2–50 V/ms. |
Key Features
| Feature | Design Value |
|---|---|
| Solid-state construction | No mechanical wear, 100,000 wiper adjustments per bit - eliminates drift and failure modes of electro-mechanical pots. |
| Three-wire serial interface | CS/U/D/INC logic-level compatible with microcontrollers and FPGAs - no protocol overhead or address decoding required. |
| Power-up wiper recall | Automatically restores last stored position at VCC ≥ 4.5 V - ensures repeatable startup behavior without host initialization. |
| Temperature-compensated array | ±300 ppm/°C end-to-end TC and ±20 ppm/°C ratiometric TC - maintains voltage-divider accuracy across industrial temperature range. |
| Charge pump support | Enables ±5 V analog swing on VH/RH and VL/RL with single 5 V supply - simplifies system power architecture. |
Applications
| Audio Signal Level Control | Sensor Offset Calibration |
|---|---|
Use Scenario: Adjusting volume or gain in analog audio paths without mechanical knobs or manual trimmers. IC Role / Device Role / Timing Role: Three-terminal potentiometer configured as voltage divider between audio source and amplifier input. Use Value: Digital control enables remote or automatic gain setting; non-volatile storage preserves user preferences across power cycles. |
Use Scenario: Compensating for initial offset voltage in precision temperature or pressure sensor front-ends. IC Role / Device Role / Timing Role: Two-terminal variable resistor in op-amp feedback or bias network to null DC error. Use Value: Factory-programmed trim value retained for life; eliminates manual calibration labor and improves production yield. |
| Programmable Power Supply Feedback | Industrial DAC Output Scaling |
Use Scenario: Dynamically adjusting output voltage of adjustable LDOs or switching regulators via feedback divider. IC Role / Device Role / Timing Role: Upper leg of resistive divider connected to regulator feedback pin; wiper sets division ratio. Use Value: Enables firmware-controlled output voltage changes without hardware modification; ±1% linearity ensures accurate regulation. |
Use Scenario: Scaling full-scale output of 12-bit DACs to match varying sensor input ranges in data acquisition systems. IC Role / Device Role / Timing Role: Two-terminal variable resistor in gain-setting network of op-amp buffer stage following DAC. Use Value: 100-step resolution matches typical DAC granularity; ±5 V terminal rating accommodates common unipolar/bipolar DAC outputs. |
Equivalent & Alternatives
The following parts are listed as comparable options for similar digitally controlled potentiometer applications.
| Alternative Part | Technical Difference | Application Difference | Selection Advice |
|---|---|---|---|
| AD5204BRZ10 | Quad-channel, 10 kΩ, I²C interface, 256-tap resolution, ±30% RTOL tolerance. | Supports multi-pot configurations and higher resolution but requires I²C bus and external pull-ups. | Select when multiple independent pots or finer resolution is needed; avoid if board space or interface simplicity is prioritized. |
| MCP41010-I/P | Single-channel, 10 kΩ, SPI interface, 257-tap resolution, volatile memory only (no auto-recall). | Requires host MCU to reinitialize wiper position at power-up; lacks non-volatile storage. | Select for cost-sensitive designs where power-cycle persistence is unnecessary and SPI is already used elsewhere. |
Compared with AD5204BRZ10 and MCP41010-I/P, the X9C103SIZ delivers guaranteed power-up repeatability with minimal interface overhead - ideal for single-pot, self-contained trimming where reliability and zero-host-initialization are design requirements.
Availability
X9C103SIZ is available at Aetrix Electronics and suitable for industrial instrumentation, sensor calibration, and programmable power supply applications requiring stable component supply, long-term obsolescence management, and RoHS-compliant sourcing.
Supply support for X9C103SIZ 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 is a global semiconductor leader delivering high-performance microcontrollers, analog, and power solutions for industrial, automotive, and infrastructure markets.
The X9C103SIZ belongs to Renesas' XDCP™ family of digitally controlled potentiometers, designed specifically for replacing mechanical trimmers in precision analog systems where long-term stability, digital configurability, and power-cycle repeatability are essential.
FAQ
What is the wiper resistance specification for the X9C103SIZ?
The X9C103SIZ has a typical wiper resistance of 40 Ω, with a maximum of 100 Ω under ±1 mA test conditions. This low on-resistance ensures minimal insertion loss when used in signal-path applications such as gain control or offset adjustment, and directly impacts total harmonic distortion in audio circuits when placed in sensitive analog nodes.
Does the X9C103SIZ require an external power-down command to enter standby mode?
No - the X9C103SIZ automatically enters low-power standby mode (ISB ≤ 750 µA) after a store operation completes (CS↑ with INC = HIGH) or when deselected (CS = HIGH with INC = LOW). No additional command or timing sequence is needed; standby state persists until CS is pulled LOW again.
Can the X9C103SIZ operate with analog voltages beyond the 5 V supply rail?
Yes - the internal charge pump allows VH/RH and VL/RL terminals to handle ±5 V independently of VCC, enabling true bipolar operation. However, the absolute voltage difference |VH − VL| must not exceed 10 V for the X9C103SIZ, and all terminal voltages must remain within -8 V to +8 V relative to VSS.
How many times can the wiper position be stored to non-volatile memory in the X9C103SIZ?
The X9C103SIZ supports at least 100,000 store operations per bit in its non-volatile memory. This endurance rating applies to individual wiper position writes and is specified under recommended operating conditions; it ensures reliable recalibration throughout the product's service life in field-deployed equipment.
Is the X9C103SIZ pin-compatible with other members of the X9C102/X9C103/X9C104/X9C503 family?
Yes - all devices in the X9C102, X9C103, X9C104, and X9C503 family share identical pinouts, timing, and interface logic across SOIC and PDIP packages. The only differences are end-to-end resistance (1k/10k/100k/50k Ω) and temperature coefficient; substituting X9C103SIZ for X9C102SIZ or X9C104SIZ requires no PCB changes but affects total resistance range and resolution step size.
X9C103SIZ Specifications
- Product attributes
- Attribute value
- Manufacturer:
- Renesas
- Series:
- XDCP™
- Package/Case:
- 8-SOIC (0.154", 3.90mm Width)
- Packaging:
- Tube
- Product Status:
- Active
- Programmable:
- Not Verified
- Taper:
- Linear
- Configuration:
- Potentiometer
- Number of Circuits:
- 1
- Number of Taps:
- 100
- Resistance (Ohms):
- 10k
- 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
X9C103SIZ FAQ
1.How can I place an order for X9C103SIZ through Aetrix?
Please submit a Request for Quotation (RFQ) for X9C103SIZ 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 X9C103SIZ reliable?
The price and inventory of X9C103SIZ are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for X9C103SIZ is usually 5 days.
3.What payment methods are accepted for X9C103SIZ?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for X9C103SIZ transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for X9C103SIZ?
X9C103SIZ orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your X9C103SIZ 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 X9C103SIZ?
For technical support, including X9C103SIZ datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your X9C103SIZ requirements.
6.How does Aetrix verify that X9C103SIZ is sourced from the original manufacturer or authorized distributors?
All X9C103SIZ 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 X9C103SIZ meets industry standards.
7.What is the process for return or replacement of X9C103SIZ?
All X9C103SIZ units undergo pre-shipment inspection (PSI). If there is an issue with X9C103SIZ, 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 X9C103SIZ part is unused and in its original packaging.
Return procedure for X9C103SIZ:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
X9C103SIZ Tags
-
MCP4018T-103E/LT
Microchip Technology
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MCP4018T-503E/LT
Microchip Technology
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MCP4011T-103E/SN
Microchip Technology
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MCP4018T-104E/LT
Microchip Technology
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MCP4017T-503E/LT
Microchip Technology
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MCP4018T-502E/LT
Microchip Technology
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MCP4017T-103E/LT
Microchip Technology
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MCP4531T-103E/MF
Microchip Technology
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MCP4021T-202E/SN
Microchip Technology
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MCP4023T-103E/CH
Microchip Technology
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MCP4022T-503E/CH
Microchip Technology
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MCP4551T-502E/MS
Microchip Technology
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