MCP1501-25E/SN Microchip Integrated Circuit (Small Outline Packages) In Stock
Microchip MCP1501-25E/SN is a precision 2.5V series voltage reference with 0.08% initial accuracy, 25ppm/°C temperature coefficient, 30mA output current, and 5.5V maximum supply in a standard 8-pin SOIC package for industrial and instrumentation applications.
- Manufacturer
- Microchip
- Package
- Small Outline Packages
- Pin Count
- 8
- Lifecycle
- ACTIVE
- Datasheet
- MCP1501-25E/SN Datasheet PDF
- Category
- Integrated Circuit
- Price
- From $0.1832(MOQ 1)
- Temp Range
- -40.0°C to 125.0°C
- RoHS
- Compliant
- Lead Time
- 3–7 business days
- Shipping
- DHL Express · Worldwide
What are the key features of MCP1501-25E/SN?
- 0.08% initial accuracy at 2.5V output with 25ppm/°C temperature drift for high-precision ADC and DAC references
- 30mA output current capability enabling direct buffering of precision ADC reference inputs without external op-amp buffer
- Wide input supply range up to 5.5V compatible with both 3.3V and 5V system rails in a single design
- Low noise output and high PSRR ensuring clean reference voltage even in switching power supply environments
What is MCP1501-25E/SN used for?
The MCP1501-25E/SN is designed for precision data acquisition systems, 16-bit and 18-bit ADC references, and calibrated sensor interfaces in industrial instrumentation where initial error and temperature drift must be minimized. Its 30mA output capability allows it to directly drive multiple ADC reference inputs on a shared bus without performance degradation from loading effects. The 8-pin SOIC package and 5.5V supply compatibility make it straightforward to design into both legacy 5V and modern 3.3V systems requiring a stable 2.5V reference.
What are the specifications of MCP1501-25E/SN?
| Manufacturer Package Code | SOIC-8 |
| Factory Lead Time | 16Weeks |
| Date Of Intro | 2016-05-26 |
| YTEOL | 14 |
| Analog IC - Other Type | THREE TERMINAL VOLTAGE REFERENCE |
| JESD-30 Code | R-PDSO-G8 |
| JESD-609 Code | e3 |
| Number of Functions | 1 |
| Number of Outputs | 1 |
| Output Current-Max | 0.03A |
| Output Voltage-Max | 2.5025V |
| Output Voltage-Min | 2.4975V |
| Output Voltage-Nom | 2.5V |
| Package Body Material | PLASTIC/EPOXY |
| Package Equivalence Code | SOP8,.25 |
| Package Shape | RECTANGULAR |
| Package Style | SMALL OUTLINE |
| Peak Reflow Temperature (Cel) | 260 |
| Supply Current-Max (Isup) | 0.55mA |
| Supply Voltage-Max (Vsup) | 5.5V |
| Supply Voltage-Min (Vsup) | 2.7V |
| Surface Mount | YES |
| Temp Coef of Voltage-Max | 50ppm/°C |
| Temperature Grade | AUTOMOTIVE |
| Terminal Finish | Matte Tin (Sn) |
| Terminal Form | GULL WING |
| Terminal Pitch | 1.27mm |
| Terminal Position | DUAL |
| Trim/Adjustable Output | NO |
| Voltage Tolerance-Max | 0.1% |
| Package | Small Outline Packages |
Compliance & Regulatory
| RoHS Status | Compliant |
| Lead-Free | Yes (Pb-Free) |
| Moisture Sensitivity Level | MSL 1 |
| ECCN | EAR99 |
| HTS Code | 8542.39.00.01 |
| Country of Origin | Thailand |
Where can I find the MCP1501-25E/SN datasheet?
MCP1501-25E/SN Datasheet DownloadOfficial datasheet from Microchip
What are equivalent replacements for MCP1501-25E/SN?
Compatible alternatives and drop-in replacements for MCP1501-25E/SN:
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Frequently Asked Questions
How does the MCP1501-25E/SN's 0.08% accuracy compare to standard voltage references for 16-bit ADC applications?
The MCP1501-25E/SN provides 0.08% initial accuracy at 2.5V, corresponding to a worst-case error of ±2mV. For a 16-bit ADC with a 2.5V full-scale range, 1 LSB equals approximately 38µV, meaning the reference error contributes about 53 LSBs of offset. This level of accuracy is adequate for most 16-bit applications and eliminates the need for factory calibration when combined with the device's 25ppm/°C drift.
Can the MCP1501-25E/SN supply reference current to multiple ADC channels simultaneously without external buffering?
Yes, the MCP1501-25E/SN sources up to 30mA from its reference output, which is more than sufficient to simultaneously supply the reference pins of multiple precision ADC devices. Most 16-bit to 24-bit SAR ADCs draw under 1mA from the reference, so the MCP1501 can drive 10 or more ADC reference inputs in a multichannel data acquisition front-end without a dedicated buffer amplifier, reducing BOM cost and PCB area.
How does the MCP1501-25E/SN's temperature coefficient affect measurement error across an industrial -40°C to +85°C range?
With a 25ppm/°C temperature coefficient, the MCP1501-25E/SN output shifts by at most 3.125mV over the full -40°C to +85°C industrial range (125°C span). Combined with the 2mV initial accuracy, the worst-case total reference error at temperature is under 5.2mV, which translates to less than 0.21% total error at 2.5V — meeting the requirements of most 14-bit and 16-bit industrial measurement systems without trimming.
What input supply voltage does the MCP1501-25E/SN require and can it run from a 3.3V regulated rail?
The MCP1501-25E/SN requires a minimum input voltage of approximately 2.7V above the 2.5V output, meaning a supply of at least 2.7V is needed. However, for a 2.5V output reference the device requires VIN minus VOUT to exceed its specified dropout voltage, typically 0.4V, so a 3.0V to 3.3V supply provides adequate headroom. A 5V supply is common in industrial systems and keeps the device well within its 5.5V maximum rating.
For a precision 4–20mA loop transmitter design, why choose the MCP1501-25E/SN over a simple zener diode reference?
A zener diode reference has typical initial accuracy of ±5% and temperature drift of 200ppm/°C to 500ppm/°C, while the MCP1501-25E/SN delivers 0.08% accuracy and 25ppm/°C drift. In a 4–20mA loop with 16-bit resolution, this 20x improvement in drift directly reduces span error over temperature from approximately 625mV to under 31mV across the operating range, eliminating costly factory calibration and enabling field-calibration intervals to be extended from annual to once every several years.
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| Qty. | Unit Price | Ext. Price |
|---|---|---|
| 1+ | $0.1832 | $0.18 |
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