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Product Detailed Parameters
- Description：IC VREF SERIES 0.2% SOT23-3
- Series：-
- Mfr：Renesas Electronics Corporation
- Package：Tape & Reel (TR),Cut Tape (CT)
- Output Type：Fixed
- Voltage - Output (Min/Fixed)：2.5V
- Voltage - Output (Max)：-
- Current - Output：10 mA
- Operating Temperature：-40°C ~ 85°C (TA)
- Mounting Type：Surface Mount
- Package / Case：TO-236-3, SC-59, SOT-23-3
- Supplier Device Package：SOT-23-3
- Grade：-
- Qualification：-
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Overview
The ISL21070CIH325Z-TK is a micropower series voltage reference manufactured by Renesas Electronics Corporation. It features an input voltage range of 2.7 V to 5.5 V and provides a fixed output voltage of 2.048 V. The device operates with a maximum supply current of 25 µA, ensuring ultra-low power consumption. It offers 2% accuracy and is housed in a standard 3-lead SOT-23 package with a maximum seated height of 1.12 mm. The component supports a maximum operating temperature of 85°C.
Feature Summary
- Ultra-low power operation with a maximum supply current of 25 µA
- Fixed precision output voltage of 2.048 V with 2% accuracy
- Compatible with low supply voltages ranging from 2.7 V to 5.5 V
Applications
- Precision voltage sources for control loops
- Standby voltages for DSP and FPGA low power states
- Data converter biasing applications
Procurement Notes
Verify the obsolete status of this specific part number before procurement planning. Confirm availability of direct substitutes such as the REF3125AIDBZT if production continuity is required. Ensure the replacement component matches the original electrical specifications and pinout compatibility for seamless integration into existing designs without circuit modification.
Selection Notes
Select this component for applications requiring precise voltage regulation with minimal power draw. The fixed 2.048 V output suits systems needing stable references for analog-to-digital conversion or sensor biasing. Consider the SOT-23 package size for space-constrained PCB layouts. Verify that the 2% accuracy meets the system tolerance requirements for critical signal processing paths.
Part Context
This component belongs to the ISL21070 family of micropower voltage references designed for battery-operated and portable electronics. The series emphasizes low quiescent current to extend battery life while maintaining high precision. It serves as a foundational reference element in mixed-signal circuits where stability and power efficiency are prioritized over high-speed transient response.
Replacement Considerations
The REF3125AIDBZT is listed as a direct substitute. Verify pinout compatibility and thermal characteristics when transitioning to this alternative to ensure equivalent performance in the target application environment.
