MCP4023T-103E/CH Microchip Integrated Circuit (SOT23 (6-Pin)) In Stock
Microchip MCP4023T-103E/CH is a single-channel 10 kΩ non-volatile digital potentiometer with 64 wiper positions controlled via a 2-wire increment/decrement serial interface in a 6-pin SOT-23 package. Its non-volatile memory retains the wiper position after power cycling, eliminating re-calibration on startup. The device suits compact LCD bias, audio volume, and sensor calibration circuits needing persistent analog adjustment.
- Manufacturer
- Microchip
- Package
- SOT23 (6-Pin)
- Pin Count
- 6
- Lifecycle
- ACTIVE
- Datasheet
- MCP4023T-103E/CH Datasheet PDF
- Category
- Integrated Circuit
- Price
- From $0.5640(MOQ 1)
- Temp Range
- -40.0°C to 125.0°C
- RoHS
- Compliant
- Lead Time
- 3–7 business days
- Shipping
- DHL Express · Worldwide
Key Features
- Single-channel 10 kΩ digital potentiometer with 64 linear wiper positions for precise analog trimming
- Non-volatile wiper position memory retains last setting through power cycling without re-calibration
- 2-wire increment/decrement serial interface compatible with simple microcontroller GPIO control
- 1 kHz bandwidth nominal suitable for audio, bias, and low-frequency control applications
- Ultra-compact 6-pin SOT-23 package minimizing board space in space-constrained portable designs
- RoHS-compliant Pb-free construction (JESD-609 e3) for long-lifecycle production
Applications
The MCP4023T-103E/CH is used in portable audio devices and consumer electronics for digitally controlled volume and tone adjustments via a simple 2-wire interface from a microcontroller GPIO. Sensor calibration circuits in handheld instruments and medical monitors use its non-volatile memory to store factory calibration offsets that survive battery replacement. LCD contrast and backlight control in small display modules also benefit from its compact SOT-23 footprint and persistent wiper position.
Specifications
| Pbfree Code | Yes |
| Manufacturer Package Code | SOT-23-6 |
| Factory Lead Time | 7Weeks |
| YTEOL | 8 |
| Additional Feature | NONVOLATILE MEMORY |
| Bandwidth-Nom | 1kHz |
| Control Interface | INCREMENT/DECREMENT |
| Converter Type | DIGITAL POTENTIOMETER |
| JESD-30 Code | R-PDSO-G6 |
| JESD-609 Code | e3 |
| Number of Functions | 1 |
| Number of Positions | 64 |
| Package Body Material | PLASTIC/EPOXY |
| Package Equivalence Code | TSOP6,.11,37 |
| Package Shape | RECTANGULAR |
| Package Style | SMALL OUTLINE, LOW PROFILE, SHRINK PITCH |
| Peak Reflow Temperature (Cel) | 260 |
| Qualification Status | Not Qualified |
| Resistance Law | LINEAR |
| Resistance Tolerance-Max | 20% |
| Resistor Terminal Voltage-Max | 5V |
| Screening Level | TS 16949 |
| Supply Current-Max | 0.45mA |
| Supply Voltage-Nom | 5V |
| Surface Mount | YES |
| Technology | CMOS |
| Temperature Coefficient-Nom | 150ppm/°C |
| Temperature Grade | AUTOMOTIVE |
| Terminal Finish | Matte Tin (Sn) |
| Terminal Form | GULL WING |
| Terminal Pitch | 0.95mm |
| Terminal Position | DUAL |
| Time@Peak Reflow Temperature-Max (s) | 40 |
| Total Resistance-Nom | 10000Ω |
| Package | SOT23 (6-Pin) |
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 |
Alternate & Equivalent Parts
No known alternates. Submit an RFQ and our team can suggest alternatives.
Frequently Asked Questions
How does the non-volatile memory in the MCP4023T-103E/CH benefit battery-operated equipment calibration?
The MCP4023T-103E/CH stores its wiper position in non-volatile memory, so the last programmed resistance setting is retained when power is removed. In battery-operated instruments, this eliminates the factory calibration routine on every power-up cycle and ensures consistent analog offset trimming across 64 resistance steps even after battery replacement.
What resistance value and resolution does the MCP4023T-103E/CH provide for precision analog adjustment?
The MCP4023T-103E/CH provides a 10 kΩ end-to-end resistance with 64 linear wiper positions, giving approximately 156 Ω per step. This resolution is suitable for LCD contrast adjustment, audio volume control, and op-amp gain trimming where sub-200 Ω step accuracy meets system requirements.
How does the 2-wire increment/decrement interface of the MCP4023T-103E/CH simplify integration compared to full SPI digital potentiometers?
The 2-wire interface uses only an increment pin and a chip-select pin rather than a full 4-wire SPI bus, reducing firmware complexity and GPIO usage on the host microcontroller. For designs using small 8-pin or 14-pin MCUs with limited pin budgets, 2 GPIO lines are often far easier to spare than 4, making this interface ideal for low-resource designs.
Is the MCP4023T-103E/CH suitable for high-volume SMT assembly and what package footprint does it use?
Yes. The MCP4023T-103E/CH is packaged in a 6-pin SOT-23 with a body measuring approximately 2.9 mm × 1.6 mm and 0.95 mm pin pitch, compatible with standard pick-and-place SMT equipment and lead-free reflow profiles. Its small footprint and Pb-free designation make it a cost-effective choice for high-volume consumer product assembly.
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| Qty. | Unit Price | Ext. Price |
|---|---|---|
| 1+ | $1.0400 | $1.04 |
| 25+ | $0.9500 | $23.75 |
| 100+ | $0.5674 | $56.74 |
| 250+ | $0.5657 | $141.42 |
| 500+ | $0.5640 | $282.00 |
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