MCP4532-104E/MS Microchip Integrated Circuit (Small Outline Packages) In Stock
Microchip MCP4532-104E/MS is a single-channel 100 kΩ digital potentiometer with 128 steps, controlled via 2-wire I2C interface. The MSOP-8 package and 2 kHz bandwidth make it ideal for programmable gain, bias, and audio calibration applications in compact designs.
- Manufacturer
- Microchip
- Package
- Small Outline Packages
- Pin Count
- 8
- Lifecycle
- ACTIVE
- Datasheet
- MCP4532-104E/MS Datasheet PDF
- Category
- Integrated Circuit
- Price
- From $0.5660(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
- 128-step 100 kΩ digital potentiometer with 2-wire I2C serial interface for easy microcontroller integration with minimal pin count
- Available resistor array values of 5 kΩ, 10 kΩ, and 50 kΩ options within the product family enabling design flexibility across gain and filter applications
- Compact MSOP-8 surface-mount package with 2 kHz nominal bandwidth suitable for audio-frequency calibration and bias adjustment in space-constrained PCBs
Applications
The MCP4532-104E/MS serves programmable gain amplifier networks, audio volume controls, and sensor calibration circuits requiring 128-step 100 kΩ resistance adjustment via I2C. Its 2-wire serial interface reduces GPIO pin usage on microcontrollers managing multiple peripherals on the same I2C bus. The MSOP-8 package suits portable medical devices, industrial instrumentation, and consumer electronics where board space is at a premium.
Specifications
| Manufacturer Package Code | MSOP-8 |
| Factory Lead Time | 11Weeks |
| YTEOL | 9 |
| Additional Feature | THE RESISTOR ARRAY VALUES ARE 5000 OHM,10000 OHM, 50000 OHM |
| Bandwidth-Nom | 2kHz |
| Control Interface | 2-WIRE SERIAL |
| Converter Type | DIGITAL POTENTIOMETER |
| JESD-30 Code | S-PDSO-G8 |
| JESD-609 Code | e3 |
| Number of Functions | 1 |
| Number of Positions | 257 |
| Package Body Material | PLASTIC/EPOXY |
| Package Equivalence Code | SOP8,.19 |
| Package Shape | SQUARE |
| Package Style | SMALL OUTLINE |
| Peak Reflow Temperature (Cel) | 260 |
| Qualification Status | Not Qualified |
| Resistance Law | LINEAR |
| Resistance Tolerance-Max | 20% |
| Resistor Terminal Voltage-Max | 5.5V |
| Screening Level | TS 16949 |
| Supply Current-Max | 0.6mA |
| Supply Voltage-Nom | 3V |
| Surface Mount | YES |
| Technology | CMOS |
| Temperature Coefficient-Nom | 150ppm/°C |
| Temperature Grade | AUTOMOTIVE |
| Terminal Finish | Matte Tin (Sn) |
| Terminal Form | GULL WING |
| Terminal Pitch | 0.65mm |
| 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 |
Alternate & Equivalent Parts
No known alternates. Submit an RFQ and our team can suggest alternatives.
Frequently Asked Questions
How does the 128-step resolution of the MCP4532-104E/MS improve calibration accuracy compared to a 64-step device in a sensor trim circuit?
With 100 kΩ total resistance divided over 128 steps, each step represents approximately 781 Ω of adjustment, compared to 1562 Ω per step for a 64-step device at the same resistance value. This finer 781 Ω granularity reduces trimming error in sensor offset calibration circuits, allowing tighter output accuracy when fine-tuning bias voltages in bridge sensor or thermocouple conditioning designs.
For an I2C-controlled programmable gain amplifier, how does the MCP4532-104E/MS 2-wire interface integrate with a shared bus carrying other peripherals?
The MCP4532-104E/MS uses a standard 2-wire I2C serial interface that shares SDA and SCL lines with other peripherals at speeds up to 400 kHz, allowing a single microcontroller bus to control the potentiometer alongside EEPROMs, temperature sensors, and DACs. Its 7-bit addressable I2C interface means multiple MCP4532 devices can coexist on the same bus using address pin configurations, supporting multi-channel gain control without additional signal wires.
When is the 100 kΩ MCP4532-104E/MS a better choice than the 10 kΩ or 50 kΩ variants in the same product family?
The 100 kΩ variant is preferable when the design uses high-impedance op-amp feedback networks where wiper contact resistance has a smaller percentage impact on overall accuracy, or when power dissipation must be minimized by using higher-value resistors. At 100 kΩ the current through the resistor divider is 10 times lower than with 10 kΩ for the same supply voltage, directly reducing quiescent power in always-on sensor interface circuits.
How does the MSOP-8 package of the MCP4532-104E/MS affect PCB layout compared to an SOIC-8 digital potentiometer?
The MSOP-8 (JESD-30 code S-PDSO-G8) package occupies a footprint roughly 60% smaller in area than a standard SOIC-8, with 0.65 mm pitch versus 1.27 mm pitch, enabling tighter component placement in space-constrained portable and wearable designs. Designers should account for the 11-week factory lead time when planning procurement for production volumes, and ensure PCB land patterns comply with IPC-7351 MSOP-8 standards for reliable reflow soldering.
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| Qty. | Unit Price | Ext. Price |
|---|---|---|
| 1+ | $0.8400 | $0.84 |
| 25+ | $0.7000 | $17.50 |
| 100+ | $0.6400 | $64.00 |
| 1000+ | $0.6100 | $610.00 |
| 7500+ | $0.5680 | $4260.00 |
| 10000+ | $0.5660 | $5660.00 |
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