MCP45HV51T-503E/ST Microchip Integrated Circuit (Small Outline Packages) In Stock
Microchip MCP45HV51T-503E/ST is an 8-bit volatile digital potentiometer with a 50 kΩ resistance and 2-wire serial (I2C) control interface. It supports resistor array values of 5 kΩ, 10 kΩ, and 50 kΩ in a 14-pin TSSOP package, suitable for programmable gain and calibration applications.
- Manufacturer
- Microchip
- Package
- Small Outline Packages
- Pin Count
- 14
- Lifecycle
- ACTIVE
- Datasheet
- MCP45HV51T-503E/ST Datasheet PDF
- Category
- Integrated Circuit
- Price
- From $1.3400(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 MCP45HV51T-503E/ST?
- 8-bit digital potentiometer with 256 wiper positions
- 50 kΩ end-to-end resistance (also available in 5 kΩ and 10 kΩ variants)
- 2-wire serial (I2C) control interface for easy microcontroller integration
- Volatile wiper setting resets to midscale on power-up
- 14-pin TSSOP-14 package for compact SMT PCB layouts
- RoHS-compliant lead-free construction (JESD-609 e3)
What is MCP45HV51T-503E/ST used for?
The MCP45HV51T-503E/ST is used in programmable gain amplifier stages, automatic calibration circuits, and voltage divider networks in industrial instrumentation and consumer electronics. Its I2C interface and 8-bit resolution make it suitable for digitally controlled audio volume adjustment, sensor offset trimming, and adaptive bias circuits in embedded systems.
What are the specifications of MCP45HV51T-503E/ST?
| Manufacturer Package Code | TSSOP-14 |
| Factory Lead Time | 7Weeks |
| YTEOL | 13 |
| Additional Feature | THE RESISTOR ARRAY VALUES ARE 5000 OHM,10000 OHM, 50000 OHM |
| Bandwidth-Nom | 0.024kHz |
| Control Interface | 2-WIRE SERIAL |
| Converter Type | DIGITAL POTENTIOMETER |
| JESD-30 Code | R-PDSO-G14 |
| JESD-609 Code | e3 |
| Number of Functions | 1 |
| Number of Positions | 256 |
| Package Body Material | PLASTIC/EPOXY |
| Package Equivalence Code | TSSOP14,.25 |
| Package Shape | RECTANGULAR |
| Package Style | SMALL OUTLINE, THIN PROFILE, SHRINK PITCH |
| Peak Reflow Temperature (Cel) | 260 |
| Resistance Law | LINEAR |
| Resistance Tolerance-Max | 20% |
| Resistor Terminal Voltage-Max | 18V |
| Resistor Terminal Voltage-Min | -18 V |
| Screening Level | AEC-Q100; TS 16949 |
| Supply Current-Max | 0.65mA |
| Supply Voltage-Nom | 3.5V |
| Surface Mount | YES |
| Temperature Coefficient-Nom | 100ppm/°C |
| Temperature Grade | AUTOMOTIVE |
| Terminal Finish | Matte Tin (Sn) |
| Terminal Form | GULL WING |
| Terminal Pitch | 0.65mm |
| Terminal Position | DUAL |
| Time@Peak Reflow Temperature-Max (s) | 40 |
| Total Resistance-Nom | 100000Ω |
| 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 MCP45HV51T-503E/ST datasheet?
MCP45HV51T-503E/ST Datasheet DownloadOfficial datasheet from Microchip
What are equivalent replacements for MCP45HV51T-503E/ST?
No known alternates. Submit an RFQ and our team can suggest alternatives.
Frequently Asked Questions
How many wiper positions does the MCP45HV51T-503E/ST provide and how does 8-bit resolution affect precision tuning?
The MCP45HV51T-503E/ST provides 256 wiper positions across its 50 kΩ resistance, giving approximately 195 Ω per step. This 8-bit resolution is sufficient for voltage divider calibration, programmable gain stages, and audio level control where fine-grained but not ultra-precise adjustment is required in embedded control systems.
In a programmable gain amplifier design, what are the available resistance values for the MCP45HV51T family?
The MCP45HV51T family offers end-to-end resistance values of 5 kΩ, 10 kΩ, and 50 kΩ. The 503E suffix denotes the 50 kΩ variant. Selecting the right resistance value lets designers optimize the gain range and noise performance of op-amp-based programmable gain amplifiers for sensor signal conditioning applications.
Does the MCP45HV51T-503E/ST retain its wiper position after power cycling?
No, the MCP45HV51T-503E/ST is a volatile digital potentiometer, meaning its wiper position resets to the midscale default (128 out of 256 steps) on every power cycle. Systems requiring non-volatile wiper retention should consider the MCP44HV or MCP46HV series, which include EEPROM-backed wiper memory for 50 kΩ and other resistance values.
What is the lead time and package format for the MCP45HV51T-503E/ST in production quantities?
The MCP45HV51T-503E/ST comes in a 14-pin TSSOP-14 package with a factory lead time of approximately 7 weeks from Microchip authorized distributors. The tape-and-reel suffix T in the MPN indicates it is packaged for automated SMT pick-and-place assembly, making it straightforward to integrate into high-volume production lines.
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| Qty. | Unit Price | Ext. Price |
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| 1+ | $2.0000 | $2.00 |
| 100+ | $1.5100 | $151.00 |
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