MCP3301-CI/SN Microchip Integrated Circuit (Small Outline Packages) In Stock
MCP3301-CI/SN is a 13-bit successive approximation ADC from Microchip with a single differential input channel, ±5 V analog input range, and SPI interface in an 8-pin SOIC package for precision measurement.
- Manufacturer
- Microchip
- Package
- Small Outline Packages
- Pin Count
- 8
- Lifecycle
- ACTIVE
- Datasheet
- MCP3301-CI/SN Datasheet PDF
- Category
- Integrated Circuit
- Price
- From $2.3500(MOQ 1)
- Temp Range
- -40.0°C to 85.0°C
- RoHS
- Compliant
- Lead Time
- 3–7 business days
- Shipping
- DHL Express · Worldwide
Key Features
- 13-bit resolution with true differential input supporting ±5 V analog range, enabling direct measurement of bridge sensors and bipolar signals without level shifting
- SPI-compatible serial interface for easy connection to any microcontroller with hardware SPI, minimizing GPIO usage in data acquisition designs
- Successive approximation (SAR) architecture delivering low power consumption and fast conversion times suitable for battery-powered portable instruments
Applications
MCP3301-CI/SN is designed for precision analog-to-digital conversion in industrial sensor interfaces, portable data loggers, and weigh scale front-ends where a single differential channel with 13-bit resolution is needed. Its ±5 V differential input range accommodates Wheatstone bridge outputs and other bipolar signal sources directly. The compact 8-pin SOIC package simplifies integration alongside microcontrollers on space-constrained PCBs.
Specifications
| Pbfree Code | Yes |
| Manufacturer Package Code | SOIC-8 |
| Reach Compliance Code | Compliant |
| Factory Lead Time | 6Weeks |
| YTEOL | 8 |
| Analog Input Voltage-Max | 5V |
| Analog Input Voltage-Min | -5 V |
| Converter Type | ADC, SUCCESSIVE APPROXIMATION |
| JESD-30 Code | R-PDSO-G8 |
| JESD-609 Code | e3 |
| Linearity Error-Max (EL) | 0.02441% |
| Number of Analog In Channels | 2 |
| Number of Bits | 13 |
| Number of Functions | 1 |
| Output Bit Code | 2'S COMPLEMENT BINARY |
| Output Format | SERIAL |
| Package Body Material | PLASTIC/EPOXY |
| Package Equivalence Code | SOP8,.23 |
| Package Shape | RECTANGULAR |
| Package Style | SMALL OUTLINE |
| Peak Reflow Temperature (Cel) | 260 |
| Qualification Status | Not Qualified |
| Sample Rate | 0.1MHz |
| Sample and Hold / Track and Hold | SAMPLE |
| Screening Level | TS 16949 |
| Supply Current-Max | 0.45mA |
| Supply Voltage-Nom | 5V |
| Surface Mount | YES |
| Temperature Grade | INDUSTRIAL |
| Terminal Finish | Matte Tin (Sn) |
| Terminal Form | GULL WING |
| Terminal Pitch | 1.27mm |
| Terminal Position | DUAL |
| 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 MCP3301-CI/SN's 13-bit differential input architecture benefit Wheatstone bridge measurement designs?
MCP3301-CI/SN accepts a true differential input with a ±5 V analog range, meaning both the positive and negative inputs can swing between -5 V and +5 V. A Wheatstone bridge excited from a 5 V supply produces a differential output of only a few millivolts to tens of millivolts at full scale. The 13-bit resolution provides 8192 counts over the full range, giving approximately 1.2 mV per LSB, which is adequate for many strain gauge and load cell applications without an external instrumentation amplifier.
What SPI interface does MCP3301-CI/SN use and how should it be connected to a microcontroller?
MCP3301-CI/SN uses a standard 4-wire SPI interface (CS, SCK, SDI, SDO) compatible with all common microcontroller SPI peripherals running at 3.3 V or 5 V logic. No special framing is needed — a single 16-bit SPI transaction retrieves the 13-bit conversion result. The device operates with SPI mode 0,0 or 1,1. Connection requires only 4 GPIO or hardware SPI pins, plus VDD and GND, making integration straightforward.
When would MCP3301-CI/SN be preferred over a 12-bit ADC such as MCP3201 in a precision measurement application?
MCP3301-CI/SN provides 13-bit resolution (8192 counts) versus 12-bit (4096 counts), effectively halving the LSB size for the same voltage reference. This extra bit reduces quantization noise and improves measurement precision by approximately 50%. In applications such as industrial pressure sensors or precision temperature measurement using a Pt100 resistor, the additional resolution can eliminate the need for a front-end amplifier that would otherwise scale up the small sensor signal to fill a 12-bit ADC's range.
What lead time and compliance details are relevant for procuring MCP3301-CI/SN in volume?
MCP3301-CI/SN carries a 6-week factory lead time from Microchip Technology and is REACH-compliant with a RoHS lead-free finish (JESD-609 e3). It comes in an 8-pin SOIC (SOIC-8) package on tape and reel for automated assembly. With a YTEOL of 8 years, it has a long projected product life, making it appropriate for industrial designs requiring component availability over a multi-year production horizon.
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| Qty. | Unit Price | Ext. Price |
|---|---|---|
| 1+ | $3.2200 | $3.22 |
| 5+ | $2.9600 | $14.80 |
| 10+ | $2.8300 | $28.30 |
| 25+ | $2.6600 | $66.50 |
| 100+ | $2.4200 | $242.00 |
| 1000+ | $2.3500 | $2350.00 |
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