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Description
MICROCHIP MCP42100-I/SL Volatile Digital Potentiometer, 100 kohm, Dual, Serial, SPI, Linear, 2.7 VThe MCP42100 I SL is a Digital Potentiometer with SPI interface. The wiper position of the potentiometer varies linearly and is controlled via an industry standard SPI interface. It consumes <1A during static operation. A software shutdown feature is provided that disconnects the A terminal from the resistor stack and simultaneously connects the wiper to the B terminal. In addition, the dual MCP42XXX has a SHDN pin that performs the same function in
The MCP42100-I/SL is a Digital Potentiometer with SPI� interface. The wiper position of the potentiometer varies linearly and is controlled via an industry-standard SPI interface. It consumes <1�A during static operation. A software shutdown feature is provided that disconnects the A terminal from the resistor stack and simultaneously connects the wiper to the B terminal. In addition, the dual MCP42XXX has a SHDN pin that performs the same function in hardware. During shutdown mode, the contents of the wiper register can be changed and the potentiometer returns from shutdown to the new value. The wiper is reset to the mid-scale position (80h) upon power-up. The RS (reset) pin implements a hardware reset and also returns the wiper to mid-scale. Its SPI interface includes both the SI and SO pins, allowing daisy-chaining of multiple devices. Channel-to-channel resistance matching on the potentiometer varies by less than 1%.
- Low power CMOS technology
- Shutdown feature open circuits of all resistors for maximum power savings
- �1 LSB Maximum INL and DNL
- 1�A Maximum supply current in static operation
Applications
Signal Processing
Product details
| Operating Temperature Min | -40�C |
| No. of Steps | 256 |
| Operating Temperature Max | 85�C |
| Control Interface | Serial, SPI |
| No. of Pins | 14Pins |
| Resistance Tolerance | - |
| No. of Pots | Dual |
| Product Range | Single 256-Tap Volatile Digital Pots |
| Automotive Qualification Standard | - |
| Track Taper | Linear |
| End To End Resistance | 100kohm |
| Temperature Coefficient | � 800ppm/�C |
| Supply Voltage Min | 2.7V |
| Packaging | Each |
| Supply Voltage Max | 5.5V |
| Potentiometer IC Case Style | SOIC |
| MSL | MSL 1 - Unlimited |
Other details
| Brand | MICROCHIP |
| Part Number | MCP42100-I/SL |
| Quantity | Each |
| Technical Data Sheet EN | |
| Product Change Notice EN |
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4.3 ★★★★★
Based on 11 reviews
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Product Reviews
★★★★★ 5
My 2 German shepherds love these good quality last a good bit
Size: Large (Pack of 1)
I buy these for my 2 German shepherds. My male is a heavy chewer and he will spend time with this everyday until he starts to wear it down or makes it into a makeshift shank and I replace it
Last about 3-4 months for aggressive chewers. Highly recommend (keeps them from chewing my stuff)
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Reviewed in the United States on May 1, 2026
★★★★★ 5
The best bone you can get for pitbulls!
Size: Large (Pack of 1)
Can I give these more than five stars? Please?? They truly deserve more than that! I have bought these bones for the last 2 years for my pitbull mix, who is a very aggressive chewer. Her favorite thing to do is just lay and chew. These bones last FOREVER! She can lay there and chew all day long and they will last her MONTHS! It’s honestly amazing! These are the best bones we’ve ever given her and they are the only ones we’ll buy her! Not only do they last forever, they’re safe and natural too! Best product ever!
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Reviewed in the United States on January 10, 2026
★★★★★ 4
Great for aggressive chewers, but small mess
Size: Large (Pack of 1), Size: Large (Pack of 1)
He took it right away! It’s a great size. We’ll see how it holds up
ONE MONTH UPDATE: (photo included)
He loves it still! Still a bit messy but holding up great and he’s a aggressive chewer
1 WEEK UPDATE (photo update included)
The bone is great. He loves it and it’s been holding up great. Our 8 month puppy is a super chewer and 60 lbs. the bone has signs of wear but nothing crazy. I went from 5 stars to 4 stars because whenever he chews the bone, the small tiny pieces of bone/wood go everywhere and they’re sticky/hard and make kind of a mess. But still would get this bone again and highly recommend
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Reviewed in the United States on December 16, 2025
★★★★★ 5
Dog loves these
Size: X-Small (Pack of 1)
These are the best chew toys. They are reasonably priced and last a long while. Fast shipping.
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Reviewed in the United States on March 8, 2026
★★★★★ 5
Made for aggressive chewers
Size: Small (Pack of 1)
My aggressive chewers are obsessed. This is one of the only chew toys that actually lasts for them. Always have to buy 2 so they each have their own
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Reviewed in the United States on February 28, 2026