MAX1202AEPP Equivalent & Substitute Parts

Part Overview

The MAX1202AEPP is a 12-bit Analog to Digital Converter (ADC) manufactured by Analog Devices Inc./Maxim Integrated, designed for data acquisition applications requiring SAR (Successive Approximation Register) architecture. This component features 4 or 8 input channels with both differential and single-ended input types, operating at a sampling rate of 133 kSPS. The part is currently classified as obsolete, making identification of functionally equivalent alternatives essential for ongoing system support and new design implementations.

Substiute Parts

MAX1202AEPP

Analog Devices Inc./Maxim IntegratedIn Stock: 1173MAX1202AEPP Datasheet

Current PartRFQ

MAX1202AEPP+

Analog Devices Inc./Maxim IntegratedIn Stock: 860MAX1202AEPP+ Datasheet

DirectRFQ

Key Parameters

Substitute Part Grouping Explanation

Substitution eligibility for the MAX1202AEPP is determined by strict equivalence across the following critical parameters:

• Resolution: 12-bit ADC architecture
• Sampling Rate: 133 kSPS minimum performance
• Input Configuration: 4 or 8 multiplexed channels with differential and single-ended capability
• Data Interface: SPI serial communication protocol
• Architecture: SAR-based conversion
• Reference Options: Both external and internal reference support
• Supply Voltage Compatibility: Analog supply (±5V, 5V) and digital supply (2.7V ~ 5.25V)
• Operating Temperature: -40°C to 85°C range
• Package: 20-DIP form factor with through-hole mounting

Substitute parts must maintain identical electrical specifications and physical packaging to ensure direct replacement capability without circuit redesign.

Parameter Comparison

Engineering Selection Recommendations

The MAX1202AEPP+ serves as the direct functional equivalent to the MAX1202AEPP, with identical electrical and mechanical specifications. The primary distinction lies in product lifecycle status and regulatory compliance:

MAX1202AEPP+ is the recommended selection for new designs and ongoing production requirements. This variant maintains active product status with Analog Devices Inc./Maxim Integrated, ensuring continued availability and technical support. The MAX1202AEPP+ achieves ROHS3 compliance, meeting current environmental and regulatory standards, whereas the original MAX1202AEPP is classified as non-compliant.

For legacy system maintenance where the original MAX1202AEPP is specified, the MAX1202AEPP+ provides pin-for-pin and functional compatibility without requiring circuit modifications. Both parts share identical package geometry (20-DIP), pinout configuration, and electrical performance characteristics.

Frequently Asked Questions (FAQ)

Q: Can MAX1202AEPP+ directly replace MAX1202AEPP in existing circuits?

A: Yes. The MAX1202AEPP+ is a direct substitute with identical pinout, package dimensions (20-DIP, 0.300" spacing), and electrical specifications. No circuit modifications are required for substitution.

Q: What is the primary reason to transition from MAX1202AEPP to MAX1202AEPP+?

A: The MAX1202AEPP is classified as obsolete, while MAX1202AEPP+ maintains active product status. Additionally, MAX1202AEPP+ achieves ROHS3 compliance, meeting current environmental regulations. For new designs and long-term production, MAX1202AEPP+ ensures component availability and regulatory alignment.

Q: Are the electrical performance characteristics identical between these parts?

A: Yes. Both parts provide 12-bit resolution at 133 kSPS sampling rate, support 4 or 8 input channels with differential and single-ended configurations, operate across -40°C to 85°C, and feature identical supply voltage requirements (analog: ±5V, 5V; digital: 2.7V ~ 5.25V).

Q: What data interface protocol does this ADC family use?

A: Both MAX1202AEPP and MAX1202AEPP+ utilize SPI (Serial Peripheral Interface) for digital communication, enabling straightforward integration with microcontroller and FPGA platforms supporting standard SPI protocols.

Q: Are there packaging differences between MAX1202AEPP and MAX1202AEPP+?

A: Both parts use identical 20-DIP (0.300", 7.62mm) through-hole packaging. The primary packaging difference is that MAX1202AEPP+ is supplied in tube packaging, while MAX1202AEPP packaging specification is not detailed. This does not affect electrical or mechanical compatibility.

Q: What reference voltage options are available?

A: Both parts support external and internal reference configurations, providing design flexibility for applications requiring either precision external references or integrated reference functionality.