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Product Detailed Parameters
- Description：IC VREF SERIES 3.3V SOT23-6
- Series：-
- Mfr：Microchip Technology
- Package：Tape & Reel (TR),Cut Tape (CT)
- Output Type：Fixed
- Voltage - Output (Min/Fixed)：3.3V
- Voltage - Output (Max)：-
- Current - Output：20 mA
- Operating Temperature：-40°C ~ 125°C (TA)
- Mounting Type：Surface Mount
- Package / Case：SOT-23-6
- Supplier Device Package：SOT-23-6
- Grade：-
- Qualification：-
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Overview
The MCP1501T-33E/CHY is a buffered voltage reference from Microchip Technology providing a fixed 3.3V output. It operates within an input voltage range of 3.5V to 5.5V and maintains an initial accuracy of ±0.1%. The device features a maximum temperature coefficient of 50 ppm/°C across the -40°C to +125°C operating range. Typical supply current is 140 μA, with a maximum of 550 μA. It supports sourcing and sinking up to 20 mA of load current.
Feature Summary
- Utilizes a chopper-based amplifier architecture to minimize drift and offset errors.
- Includes a digital shutdown pin for low-power control.
- Features internal curvature compensation for high precision.
- Capable of driving capacitive loads without external series resistance.
Applications
- Precision data acquisition systems
- High-resolution data converters
- Medical equipment applications
- Industrial controls
- Battery-powered devices
Procurement Notes
Verify the specific suffix CHY corresponds to the SOT-23-6 package configuration. Confirm that the E designation indicates the industrial temperature grade (-40°C to +125°C). Ensure the T suffix matches the required reel packaging format for surface-mount assembly processes.
Selection Notes
Select this component when a stable 3.3V reference is required with ±0.1% initial accuracy. It is suitable for designs needing low quiescent current and high noise rejection. Consider the SOT-23-6 package constraints regarding thermal dissipation and board space requirements compared to larger packages.
Part Context
This part belongs to the MCP1501 family of high-precision buffered voltage references. The family offers various fixed output voltages including 1.024V, 2.5V, and 4.096V. The MCP1501T-33E/CHY specifically provides the 3.3V option in a compact surface-mount package.
Replacement Considerations
MCP1501T-33E/RW (8-Lead WDFN Package)
FAQ
How does the device handle capacitive loads?
The MCP1501 can drive capacitive loads up to 10nF without requiring a series resistor. Larger capacitors may be used if a series resistor is implemented.
What is the function of the SHDN pin?
The SHDN pin is a digital input that places the device into a low-current shutdown mode when driven low. The device must be powered up before using this feature.
