MCP1502T-18E/CHYVAO Product Information

Product Name

MCP1502T-18E/CHYVAO High-Precision Buffered Voltage Reference

Package Type

6-Lead SOT-23

Key Features

• High Precision: Maximum temperature coefficient of 7ppm/°C from -40°C to +125°C
• Initial Accuracy: 0.1%
• Wide Operating Temperature Range: -40°C to +125°C
• Low Operating Current: 140μA typical
• Line Regulation: 50ppm/V maximum
• Load Regulation: 40ppm/V maximum
• Output Noise: 30μVRMS (0.1Hz to 10kHz) for 1.024V variant
• AEC-Q100 Qualified: Suitable for automotive applications (Grade 1)
• Multiple Voltage Options: 1.024V, 1.250V, 1.800V, 2.048V, 2.500V, 3.000V, 3.300V, 4.096V, 4.500V, 5.000V

Applications

• Precision Data Acquisition Systems
• Electric Vehicle Battery Management Systems
• High-Resolution Data Converters
• Medical Equipment Applications
• Industrial Controls
• Battery-Powered Devices

Pin Descriptions

TableCopy

Absolute Maximum Ratings

• VDD: 5.5V maximum
• Maximum Current into VDD Pin: 30mA
• Clamp Current (VPIN < 0 or VPIN > VDD): ±20mA
• Maximum Output Current Sunk by OUT Pin: 30mA
• Maximum Output Current Sourced by OUT Pin: 30mA
• ESD Rating (HBM:CDM:MM): 2kV:±1.5kV:200V

Electrical Characteristics

• Supply Voltage (VDD): 1.65V to 5.5V
• Power-on Reset Release Voltage (VPOR): 1.45V typical
• Power-on Reset Rearm Voltage: 0.8V maximum
• Output Voltage (VOUT): 1.800V ±0.1% (MCP1502-18)
• Temperature Coefficient (TC): 7ppm/°C maximum
• Line Regulation: 50ppm/V maximum
• Load Regulation: 40ppm/V maximum
• Dropout Voltage (VDO): 200mV maximum
• Power Supply Rejection Ratio (PSRR): 94dB at 60Hz, 100mVP-P
• Shutdown Voltage (VIL/VIH): 1.35V to 3.80V
• Output Voltage Hysteresis (ΔVOUT_HYST): 300μV maximum
• Output Noise (eN): 18μVPP (0.1Hz to 10Hz), 30μVRMS (10Hz to 10kHz)
• Maximum Load Current (ILOAD): ±20mA
• Supply Current (IDD): 140μA to 550μA (no load)
• Shutdown Current (ISHDN): 205nA maximum

Temperature Specifications

• Operating Temperature Range (TA): -40°C to +125°C
• Storage Temperature Range (TA): -65°C to +150°C
• Thermal Resistance (θJA): 190.5°C/W for 6-Lead SOT-23 package

Package Markings

• Device Code: MCP1502T-18E/CHYVAO
• Package: 6-Lead SOT-23
• Year Code: Last digit of calendar year
• Week Code: Week of January 1 is week '01'
• Traceability Code: Alphanumeric code

Ordering Information

• Part Number: MCP1502T-18E/CHYVAO
• Package: 6-Lead SOT-23
• Output Voltage: 1.800V
• Tape and Reel Option: Available (indicated by 'T' in part number)

Notes

1. Power-Up Sequence: Ensure the device is fully powered up before using the Shutdown pin.
2. Input Capacitor: It is recommended to connect a 0.1μF capacitor very close to the VDD pin.
3. Output Capacitor: An output capacitor is optional but can be used for noise filtering or as a charge reservoir.
4. PCB Layout: Mount the reference on low stress areas of the PCB to reduce stress-related output voltage shifts.