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Renesas ISL95710WIU10Z-T
- Part No.:
- ISL95710WIU10Z-T
- Manufacturer:
- Renesas
- Category:
- Digital Potentiometers
- Package:
- 10-TFSOP, 10-MSOP (0.118", 3.00mm Width)
- Datasheet:
-
ISL95710WIU10Z-T.pdf
- Description:
- IC DGTL POT 10KOHM 128TAP 10MSOP
- Quantity:
- Payment:
- Shipping:
Inventory:2,483
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Product details
Overview
ISL95710WIU10Z-T from Renesas (formerly Intersil) is a digitally controlled potentiometer (XDCP™) with 128-tap resolution, ±2.7V to ±5.5V terminal voltage range, nonvolatile wiper position storage, and Up/Down serial interface. It functions as a three-terminal potentiometer or two-terminal rheostat in precision biasing and trimming circuits for industrial instrumentation and power supply feedback loops.
For engineers reviewing the ISL95710WIU10Z-T datasheet, ISL95710WIU10Z-T pinout, ISL95710WIU10Z-T application, or ISL95710WIU10Z-T equivalent, key selection criteria include its 10kΩ end-to-end resistance, ±50ppm/°C tempco, 1µA standby current, MSOP-10 package, and nonvolatile store-on-CS-high-with-INC-high behavior.
Technical Context
The ISL95710WIU10Z-T implements a 127-element resistor array with make-before-break wiper switching, driven by a 7-bit up/down counter and decoded to select one of 128 tap points. Wiper position is retained in nonvolatile memory and recalled at power-up, enabling preset initialization without external configuration.
Its Up/Down interface uses asynchronous negative-edge-triggered INC, level-sensitive U/D, and CS-controlled volatile operation and nonvolatile store. The device supports dual-supply operation (VCC = +2.7V to +5.5V, V− = −2.7V to −5.5V), enabling bipolar voltage divider configurations with ratiometric tracking (±4ppm/°C TCV).
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| End-to-end resistance | 10kΩ ±20% - defines full-scale adjustment range and load interaction in voltage divider or rheostat mode |
| Wiper tap count | 128 positions - provides 7.87mV/LSB resolution in 10V span applications |
| Terminal voltage range | ±2.7V to ±5.5V - enables direct use in bipolar op-amp bias networks and dual-rail power control |
| Resistance tempco | ±50ppm/°C - ensures stable gain/bias over −40°C to +85°C industrial temperature range |
| Standby current | 1µA at VCC = 5.5V - minimizes quiescent power in battery-backed or always-on calibration systems |
| Nonvolatile endurance | 200,000 write cycles - supports field recalibration and lifetime parameter tuning without wear-out concern |
| Ratiometric tempco (TCV) | ±4ppm/°C - maintains precise voltage division ratio across temperature in feedback paths |
Pinout & Package
ISL95710WIU10Z-T is housed in a RoHS-compliant 10-lead MSOP package (JEDEC MO-187BA, pkg drawing M10.118), measuring 3.0mm × 4.9mm × 1.0mm with 0.5mm lead pitch. Thermal resistance θJA = 170°C/W supports operation up to +85°C ambient without forced airflow.
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| 1 U/D | Direction control input | Logic level selects wiper increment (U/D = LOW) or decrement (U/D = HIGH); no internal pull-up/pull-down |
| 2 V− | Negative analog supply | Bipolar reference rail; must be stable before CS/INC activation to prevent unintended store or wiper shift |
| 3 GND | Digital ground reference | Common return for logic inputs; separate from analog RH/RL/RW current paths |
| 4 CS | Chip select / store trigger | LOW enables interface; transition HIGH with INC = HIGH initiates nonvolatile store (tCPHS = 20ms) |
| 5 NC | No-connect terminal | Must remain unconnected; not internally bonded or electrically active |
| 6 RH | High-end fixed terminal | One end of resistor array; voltage polarity relative to RL depends on external circuit, not internal labeling |
| 7 RW | Wiper output terminal | Movable contact point; wiper resistance ≤200Ω ensures low insertion error in signal path |
| 8 RL | Low-end fixed terminal | Other end of resistor array; used with RH to define total resistance and with RW for rheostat mode |
| 9 VCC | Positive logic supply | +2.7V to +5.5V digital supply; powers control logic and memory; POR threshold = 2.5V |
| 10 INC | Increment clock input | Negative-edge triggered; minimum pulse width = 1µs; hysteresis = 0.15×VCC improves noise immunity |
Key Features
| Feature | Design Value |
|---|---|
| Nonvolatile wiper storage | Retains last position for 50 years at ≤+75°C; eliminates boot-time reconfiguration in embedded systems |
| Make-before-break wiper switching | Prevents open-circuit transients during tap changes; avoids signal dropout in active filter or gain-control paths |
| Bipolar terminal voltage support | ±2.7V to ±5.5V operation enables direct integration into dual-supply op-amp bias and DAC offset trim circuits |
| Low-power standby mode | 1µA VCC current and −5µA V− current allow continuous presence in energy-sensitive monitoring nodes |
| Industrial temperature range | −40°C to +85°C operation with guaranteed INL/DNL ≤±1 LSB supports deployment in motor drives and PLC modules |
Applications
| Power Supply Feedback Trimming | Op-Amp Bias Adjustment |
|---|---|
|
Use Scenario: Fine-tuning output voltage of isolated DC-DC converters using optocoupler feedback loop. IC Role / Device Role / Timing Role: Two-terminal rheostat between TL431 cathode and optocoupler LED anode to adjust reference voltage division ratio. Use Value: Enables factory calibration and field recalibration without soldering; 10kΩ value matches TL431 design guidelines while ±50ppm/°C tempco maintains regulation accuracy over temperature. |
Use Scenario: Setting precise input offset null for instrumentation amplifiers in sensor front-ends. IC Role / Device Role / Timing Role: Three-terminal potentiometer bridging amplifier input pins to inject compensating bias current. Use Value: Replaces mechanical trimpots subject to vibration drift; nonvolatile recall ensures consistent zero-point after power cycling in portable test equipment. |
| Motor Drive Current Sensing Offset | Programmable Gain Amplifier Calibration |
|
Use Scenario: Compensating shunt resistor thermal drift in three-phase inverter current sensing. IC Role / Device Role / Timing Role: Rheostat in differential amplifier offset null network, referenced to V− = −5V rail. Use Value: Bipolar ±5.5V terminal rating allows direct connection to isolated current-sense amplifier rails; 128-tap resolution achieves <1mA offset correction granularity. |
Use Scenario: Calibrating gain-setting resistors in programmable-gain instrumentation amplifiers. IC Role / Device Role / Timing Role: Voltage divider (RH–RW–RL) setting reference voltage for PGA's internal DAC or comparator threshold. Use Value: Ratiometric tempco (±4ppm/°C) ensures gain stability matches sensor output drift; MSOP-10 footprint fits high-density analog signal chains. |
Equivalent & Alternatives
The following parts are listed as comparable options for similar digitally controlled potentiometer applications.
| Alternative Part | Technical Difference | Application Difference | Selection Advice |
|---|---|---|---|
| ISL95310 | Same Up/Down interface, 256-tap resolution, 50kΩ only, lower standby current (0.5µA), but no 10kΩ option | Higher resolution suits fine-grained DAC-like applications; lacks 10kΩ variant required for TL431 feedback compliance | Select ISL95310 only when 256-tap resolution and 50kΩ are acceptable; verify V− compatibility as absolute max rating differs |
| AD5170BRMZ-10 | I²C interface (not Up/Down), 256-tap, 10kΩ, ±20% tolerance, 50ppm/°C tempco, but volatile-only memory (no nonvolatile store) | Requires microcontroller I²C master; unsuitable for standalone recalibration or power-loss recovery scenarios | Choose AD5170BRMZ-10 only if system already uses I²C infrastructure and nonvolatile recall is handled externally |
Compared with ISL95710WIU10Z-T, ISL95310 offers higher resolution but omits the required 10kΩ option and has different V− rating, while AD5170BRMZ-10 replaces the simple Up/Down interface with I²C and removes nonvolatile storage-making ISL95710WIU10Z-T uniquely suited for standalone, low-pin-count, power-cycle-resilient trimming.
Availability
ISL95710WIU10Z-T is available at Aetrix Electronics and suitable for industrial control systems, automotive body electronics, and medical instrumentation requiring stable component supply, long-term calibration retention, and RoHS-compliant packaging.
Supply support for ISL95710WIU10Z-T 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 microcontrollers, analog power devices, and timing solutions for industrial, automotive, and communications markets.
The ISL95710WIU10Z-T belongs to Renesas' XDCP™ (eXternally Digitally Controlled Potentiometer) product line, designed specifically for replacing mechanical potentiometers in high-reliability, maintenance-free trimming applications where nonvolatile recall and bipolar operation are essential.
FAQ
What is the maximum allowable voltage difference between RH and RL terminals for ISL95710WIU10Z-T?
The absolute maximum voltage difference ΔV = |V(RH) − V(RL)| is 12V per the datasheet Absolute Maximum Ratings table. This limit applies regardless of individual terminal voltages, so RH = +5.5V and RL = −5.5V (11V differential) is within specification, but RH = +6V and RL = −6V would exceed the 12V ceiling and risk permanent damage to the ISL95710WIU10Z-T.
Does ISL95710WIU10Z-T support true bipolar operation with independent positive and negative supplies?
Yes. ISL95710WIU10Z-T explicitly supports dual-rail analog operation: VCC = +2.7V to +5.5V (logic supply) and V− = −2.7V to −5.5V (negative analog rail), with GND as the reference. This enables symmetric ±5V voltage divider configurations and direct interfacing with bipolar op-amps-confirmed by the Analog Specifications table and Figure 12 (frequency response under ±5.5V conditions) in the ISL95710WIU10Z-T datasheet.
How is nonvolatile storage triggered on ISL95710WIU10Z-T, and what timing must be observed?
Nonvolatile storage is triggered by a rising edge on CS while INC is held HIGH. The datasheet specifies tCPHS = 20ms as the minimum time required for the internal self-timed write cycle to complete. During this period, no further CS or INC transitions are allowed. After 20ms, the ISL95710WIU10Z-T enters standby mode and retains the stored wiper position across power cycles.
What is the wiper resistance specification for ISL95710WIU10Z-T, and how does it affect circuit accuracy?
The ISL95710WIU10Z-T wiper resistance (RW) is specified as 70Ω to 200Ω typical under V− = −5.5V and VCC = +5.5V with wiper current = (VCC − V−)/RTOTAL. This low on-resistance minimizes insertion error in rheostat mode and ensures <2% added series resistance in 10kΩ divider applications-critical for maintaining gain accuracy in precision amplifier bias networks using the ISL95710WIU10Z-T.
Is ISL95710WIU10Z-T pin-compatible with other members of the ISL957xx family, such as ISL95710UIU10Z?
Yes. ISL95710WIU10Z-T and ISL95710UIU10Z share identical MSOP-10 pinout, interface timing, and functional architecture-the only difference is end-to-end resistance (10kΩ vs. 50kΩ). Both use the same package drawing (M10.118), pin assignments, and Up/Down control protocol, making them drop-in replacements where resistance value permits; the ISL95710WIU10Z-T datasheet confirms this in the Ordering Information table.
ISL95710WIU10Z-T Specifications
- Product attributes
- Attribute value
- Manufacturer:
- Renesas
- Series:
- XDCP™
- Package/Case:
- 10-TFSOP, 10-MSOP (0.118", 3.00mm Width)
- Packaging:
- Tape & Reel (TR)
- Product Status:
- Obsolete
- Programmable:
- Not Verified
- Taper:
- Linear
- Configuration:
- Potentiometer
- Number of Circuits:
- 1
- Number of Taps:
- 128
- Resistance (Ohms):
- 10k
- Interface:
- Up/Down (U/D, INC, CS)
- Memory Type:
- Non-Volatile
- Voltage - Supply:
- ±2.7V ~ 5.5V
- Features:
- -
- Tolerance:
- ±20%
- Temperature Coefficient (Typ):
- ±50ppm/°C
- Mounting Type:
- Surface Mount
- Grade:
- -
- Qualification:
- -
- Supplier Device Package:
- 10-MSOP
- Operating Temperature:
- -40°C ~ 85°C
- Resistance - Wiper (Ohms) (Typ):
- 70
ISL95710WIU10Z-T FAQ
1.How can I place an order for ISL95710WIU10Z-T through Aetrix?
Please submit a Request for Quotation (RFQ) for ISL95710WIU10Z-T 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 ISL95710WIU10Z-T reliable?
The price and inventory of ISL95710WIU10Z-T are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for ISL95710WIU10Z-T is usually 5 days.
3.What payment methods are accepted for ISL95710WIU10Z-T?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for ISL95710WIU10Z-T transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for ISL95710WIU10Z-T?
ISL95710WIU10Z-T orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your ISL95710WIU10Z-T 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 ISL95710WIU10Z-T?
For technical support, including ISL95710WIU10Z-T datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your ISL95710WIU10Z-T requirements.
6.How does Aetrix verify that ISL95710WIU10Z-T is sourced from the original manufacturer or authorized distributors?
All ISL95710WIU10Z-T 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 ISL95710WIU10Z-T meets industry standards.
7.What is the process for return or replacement of ISL95710WIU10Z-T?
All ISL95710WIU10Z-T units undergo pre-shipment inspection (PSI). If there is an issue with ISL95710WIU10Z-T, 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 ISL95710WIU10Z-T part is unused and in its original packaging.
Return procedure for ISL95710WIU10Z-T:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
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