MCP3301-BI/P Equivalent & Substitute Parts

Part Overview

The MCP3301-BI/P is a 13-bit Analog to Digital Converter (ADC) manufactured by Microchip Technology, designed for single-channel differential input applications. This SAR (Successive Approximation Register) architecture device operates at a 100 kHz sampling rate with SPI digital interface and external voltage reference configuration. The part is actively produced and ROHS3 compliant, making it suitable for industrial and commercial data acquisition applications requiring precision analog signal conversion.

Substitute parts are identified when equivalent electrical specifications and mechanical compatibility are maintained across the allowed parameter set for this product category.

Substiute Parts

MCP3301-BI/P
Microchip TechnologyIn Stock: 1000401MCP3301-BI/P Datasheet
MCP3301-BI/P
Current Part
MCP3301-CI/P
Microchip TechnologyIn Stock: 2643MCP3301-CI/P Datasheet
MCP3301-CI/P
Parametric Equivalent

Key Parameters

Parameter Value
Number of Bits 13
Sampling Rate (Per Second) 100k
Number of Inputs 1
Input Type Differential
Data Interface SPI
Architecture SAR
Reference Type External
Voltage - Supply, Analog 5V
Voltage - Supply, Digital 5V
Operating Temperature -40°C ~ 85°C
Package / Case 8-DIP (0.300", 7.62mm)
Mounting Type Through Hole

Substitute Part Grouping Explanation

Substitution eligibility for the MCP3301-BI/P is determined by strict equivalence across the following critical parameters:

  • Resolution: 13-bit conversion capability
  • Sampling Rate: 100 kHz per second
  • Input Configuration: Single differential input channel
  • Interface Protocol: SPI digital communication
  • Converter Architecture: SAR topology
  • Reference Configuration: External voltage reference
  • Supply Voltages: 5V analog and 5V digital
  • Operating Temperature Range: -40°C to 85°C
  • Physical Package: 8-DIP form factor with 0.300" (7.62mm) pitch
  • Mounting Technology: Through-hole assembly

The MCP3301-CI/P meets all these criteria and qualifies as a parametric equivalent substitute.

Parameter Comparison

Parameter MCP3301-BI/P MCP3301-CI/P
Manufacturer Microchip Technology Microchip Technology
Number of Bits 13 13
Sampling Rate (Per Second) 100k 100k
Number of Inputs 1 1
Input Type Differential Differential
Data Interface SPI SPI
Architecture SAR SAR
Reference Type External External
Voltage - Supply, Analog 5V 5V
Voltage - Supply, Digital 5V 5V
Operating Temperature -40°C ~ 85°C -40°C ~ 85°C
Package / Case 8-DIP (0.300", 7.62mm) 8-DIP (0.300", 7.62mm)
Mounting Type Through Hole Through Hole
RoHS Status ROHS3 Compliant ROHS3 Compliant
Moisture Sensitivity Level (MSL) 1 (Unlimited) 1 (Unlimited)
REACH Status REACH Unaffected REACH Unaffected

Engineering Selection Recommendations

Both the MCP3301-BI/P and MCP3301-CI/P are active products from Microchip Technology with identical electrical and mechanical specifications. Selection between these parts is based on availability and inventory status. The MCP3301-BI/P carries 1,000,299 pieces in stock, while the MCP3301-CI/P has 2,540 pieces available. Both parts maintain ROHS3 compliance and REACH unaffected status, ensuring regulatory compatibility for industrial and commercial applications. The identical parameter set guarantees direct functional interchangeability in circuit designs.

Frequently Asked Questions (FAQ)

Q: Can the MCP3301-CI/P replace the MCP3301-BI/P in existing designs?

A: Yes. Both parts are identical across all electrical parameters, including resolution, sampling rate, input configuration, interface protocol, supply voltages, and operating temperature range. They share the same 8-DIP package and through-hole mounting technology, enabling direct substitution without circuit modification.

Q: What determines substitution eligibility for the MCP3301-BI/P?

A: Substitutes must match the 13-bit resolution, 100 kHz sampling rate, single differential input, SPI interface, SAR architecture, external reference configuration, 5V dual supply voltages, -40°C to 85°C operating range, and 8-DIP through-hole package. The MCP3301-CI/P meets all these criteria.

Q: Are there any compliance differences between these parts?

A: No. Both the MCP3301-BI/P and MCP3301-CI/P carry identical ROHS3 compliance and REACH unaffected status, with MSL rating of 1 (Unlimited). They are functionally and regulatorily equivalent.

Q: What is the significance of the different part number suffixes (BI vs. CI)?

A: The suffix designates the temperature grade classification. Both parts operate across the -40°C to 85°C range, which is the industrial temperature specification. The different suffixes reflect Microchip's internal product line organization but do not indicate functional differences in this case.

Q: Can these parts be used interchangeably on the same PCB?

A: Yes. Identical package specifications (8-DIP, 0.300" pitch) and through-hole mounting technology ensure mechanical and electrical interchangeability. No PCB redesign or rework is required.

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