MAX1245BCPP Equivalent & Substitute Parts

Part Overview

The MAX1245BCPP is a 12-bit Analog to Digital Converter (ADC) manufactured by Analog Devices Inc./Maxim Integrated, designed for data acquisition applications requiring serial interface communication. This SAR (Successive Approximation Register) architecture device supports 4 or 8 differential and single-ended inputs with a 100 kSPS sampling rate. The part is classified as obsolete, making identification of functionally equivalent alternatives essential for ongoing system support and new design implementations.

Substiute Parts

MAX1245BCPP

Analog Devices Inc./Maxim IntegratedIn Stock: 1237MAX1245BCPP Datasheet

Current PartRFQ

MAX1245BCPP+

Analog Devices Inc./Maxim IntegratedIn Stock: 1034MAX1245BCPP+ Datasheet

DirectRFQ

Key Parameters

Substitute Part Grouping Explanation

Substitution eligibility for the MAX1245BCPP is determined by strict equivalence across the following critical parameters:

• Resolution: 12-bit ADC architecture
• Sampling Rate: 100 kSPS minimum performance
• Input Configuration: Support for 4 or 8 channels with differential and single-ended capability
• Data Interface: SPI serial communication protocol
• Converter Architecture: SAR topology with external reference
• Supply Voltage Ranges: Analog and digital supplies within 2.375V ~ 3.3V specification
• Operating Temperature: 0°C ~ 70°C range
• Package Type: 20-DIP through-hole form factor with 0.300" (7.62mm) pitch

Parts meeting all these parameters are classified as direct functional equivalents. Packaging variations (such as bulk versus tape-and-reel) do not affect electrical substitutability.

Parameter Comparison

Engineering Selection Recommendations

The MAX1245BCPP+ serves as a direct functional equivalent to the MAX1245BCPP across all electrical and mechanical specifications. Both devices are classified as obsolete products, indicating end-of-life status from the manufacturer.

The primary distinction between these parts is regulatory compliance: the MAX1245BCPP+ achieves ROHS3 compliance, whereas the original MAX1245BCPP is RoHS non-compliant. For applications subject to RoHS directives or environmental regulations requiring lead-free component certification, the MAX1245BCPP+ is the appropriate selection. For legacy systems or applications without RoHS requirements, either part provides equivalent functionality.

Both parts maintain identical electrical performance, pinout, and package specifications, ensuring direct socket compatibility in existing PCB designs.

Frequently Asked Questions (FAQ)

Q: Can MAX1245BCPP+ replace MAX1245BCPP in existing designs?

A: Yes. The MAX1245BCPP+ is electrically and mechanically equivalent to the MAX1245BCPP. Both devices feature identical 12-bit resolution, 100 kSPS sampling rate, SPI interface, and 20-DIP through-hole packaging. Direct substitution is supported without PCB modifications.

Q: What is the difference between MAX1245BCPP and MAX1245BCPP+?

A: The primary difference is RoHS compliance status. The MAX1245BCPP+ is ROHS3 compliant, while the MAX1245BCPP is RoHS non-compliant. All electrical specifications, performance characteristics, and package dimensions are identical.

Q: Are there packaging differences between these parts?

A: Both parts use the same 20-DIP (0.300", 7.62mm) through-hole package. Packaging format (bulk versus tape-and-reel) does not affect electrical substitutability or PCB compatibility.

Q: Why is the MAX1245BCPP marked as obsolete?

A: Obsolete status indicates the manufacturer has discontinued production and support. For ongoing system maintenance or new designs, the MAX1245BCPP+ provides continued availability with equivalent functionality and improved regulatory compliance.

Q: What supply voltages are required for operation?

A: Both analog and digital supplies operate within the 2.375V ~ 3.3V range. External reference voltage must be provided separately, as these devices do not include integrated reference sources.

Q: Is the SPI interface compatible with standard microcontroller implementations?

A: Yes. Both devices implement standard SPI serial communication protocol, compatible with SPI-capable microcontrollers and digital signal processors operating within the specified supply voltage range.