MAX1204AEAP Equivalent & Substitute Parts

Part Overview

The MAX1204AEAP is a 10-bit Analog-to-Digital Converter (ADC) manufactured by Analog Devices Inc./Maxim Integrated, designed for data acquisition applications. This SAR (Successive Approximation Register) architecture device features 4 or 8 configurable input channels with both differential and single-ended input support, operating at a sampling rate of 133 kSPS. The device is classified as obsolete, making identification of functionally equivalent alternatives necessary for ongoing system support and new design implementations.

Substiute Parts

MAX1204AEAP
Analog Devices Inc./Maxim IntegratedIn Stock: 687MAX1204AEAP Datasheet
MAX1204AEAP
Current Part
MAX1204AEAP+
Analog Devices Inc./Maxim IntegratedIn Stock: 751MAX1204AEAP+ Datasheet
MAX1204AEAP+
Direct
MAX1204BEAP+
Analog Devices Inc./Maxim IntegratedIn Stock: 2389MAX1204BEAP+ Datasheet
MAX1204BEAP+
Parametric Equivalent

Key Parameters

Parameter Value
Resolution 10 Bits
Sampling Rate 133 kSPS
Input Channels 4, 8
Input Configuration Differential, Single Ended
Architecture SAR
Data Interface SPI
Analog Supply Voltage ±5V, 5V
Digital Supply Voltage ±5V, 5V
Reference Type External, Internal
Operating Temperature Range -40°C to 85°C
Package 20-SSOP (0.209", 5.30mm Width)
Mounting Type Surface Mount

Substitute Part Grouping Explanation

Substitution eligibility for the MAX1204AEAP is determined by strict parameter matching across the following critical specifications:

  • Resolution & Sampling Rate: 10-bit resolution at 133 kSPS
  • Input Architecture: 4 or 8 configurable channels with differential and single-ended support
  • Interface Protocol: SPI data interface
  • Supply Voltage Compatibility: ±5V and 5V analog and digital supplies
  • Reference Configuration: External and internal reference support
  • Package & Pinout: 20-SSOP surface mount package
  • Temperature Range: -40°C to 85°C operating specification

All identified substitutes maintain identical electrical and mechanical parameters, ensuring direct functional equivalence without circuit redesign.

Parameter Comparison

Parameter MAX1204AEAP MAX1204AEAP+ MAX1204BEAP+
Resolution 10 Bits 10 Bits 10 Bits
Sampling Rate 133 kSPS 133 kSPS 133 kSPS
Input Channels 4, 8 4, 8 4, 8
Input Type Differential, Single Ended Differential, Single Ended Differential, Single Ended
Data Interface SPI SPI SPI
Architecture SAR SAR SAR
Reference Type External, Internal External, Internal External, Internal
Analog Supply Voltage ±5V, 5V ±5V, 5V ±5V, 5V
Digital Supply Voltage ±5V, 5V ±5V, 5V ±5V, 5V
Operating Temperature -40°C to 85°C -40°C to 85°C -40°C to 85°C
Package / Case 20-SSOP (0.209", 5.30mm Width) 20-SSOP (0.209", 5.30mm Width) 20-SSOP (0.209", 5.30mm Width)
Mounting Type Surface Mount Surface Mount Surface Mount
Product Status Obsolete Active Active
RoHS Status RoHS Non-Compliant ROHS3 Compliant ROHS3 Compliant
Packaging Type Bulk Tube Tube

Engineering Selection Recommendations

MAX1204AEAP+ (Direct Manufacturer Equivalent)

The MAX1204AEAP+ is the primary substitute for the obsolete MAX1204AEAP. This variant maintains identical electrical specifications and pinout while offering active product status and ROHS3 compliance. The device is supplied in tube packaging and represents the direct continuation of the MAX1204AEAP product line.

MAX1204BEAP+ (Parametric Equivalent)

The MAX1204BEAP+ provides parametric equivalence with all electrical and mechanical specifications matching the original device. This variant is actively manufactured, ROHS3 compliant, and available in higher inventory quantities (2340 pcs). Selection of this part is appropriate where the B-grade specification meets application requirements.

Both substitutes are suitable for direct replacement in existing designs without circuit modification, provided that the application requirements align with the specified electrical parameters and operating conditions.

Frequently Asked Questions (FAQ)

Q: Can MAX1204AEAP+ be used as a direct replacement for MAX1204AEAP?

A: Yes. The MAX1204AEAP+ maintains identical electrical specifications, pinout, and package configuration. The primary differences are active product status and ROHS3 compliance certification.

Q: What is the difference between MAX1204AEAP+ and MAX1204BEAP+?

A: Both devices are parametrically equivalent with identical resolution, sampling rate, input configuration, supply voltages, and package specifications. The designation difference (A vs. B grade) reflects manufacturing specifications. Selection between them depends on application-specific requirements and availability.

Q: Are these substitutes pin-compatible?

A: Yes. All three variants use the 20-SSOP package with identical pinout and electrical interface specifications, enabling direct PCB-level substitution.

Q: What packaging options are available?

A: The MAX1204AEAP is supplied in bulk packaging. Both substitute parts (MAX1204AEAP+ and MAX1204BEAP+) are supplied in tube packaging, which may affect handling and storage procedures.

Q: Are the substitute parts RoHS compliant?

A: The original MAX1204AEAP is RoHS non-compliant. Both substitute parts (MAX1204AEAP+ and MAX1204BEAP+) are ROHS3 compliant, meeting current environmental and regulatory requirements.

Q: Can these devices operate with both ±5V and single 5V supplies?

A: Yes. All variants support both dual supply (±5V) and single supply (5V) configurations for both analog and digital power rails, providing flexibility in power distribution design.

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