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MAX186ACAP Equivalent & Substitute Parts
Part Overview
The MAX186ACAP is a 12-bit Data Acquisition System (DAS) integrated circuit manufactured by Analog Devices Inc./Maxim Integrated. This device features 8 channels, a 133 kHz sampling rate, and serial data interface capability in a 20-SSOP surface mount package. The MAX186ACAP is classified as obsolete, making identification of functionally equivalent alternatives necessary for ongoing system support and new design implementations.
Substiute Parts
Key Parameters
| Parameter | Value |
|---|---|
| Manufacturer | Analog Devices Inc./Maxim Integrated |
| Base Product Number | MAX186 |
| Number of Channels | 8 |
| Resolution | 12 bits |
| Sampling Rate | 133 kHz |
| Data Interface | Serial |
| Voltage Supply | Dual ± |
| Package Type | 20-SSOP (0.209", 5.30mm Width) |
| Mounting Type | Surface Mount |
| Operating Temperature Range | 0°C ~ 70°C |
| Product Status | Obsolete |
| RoHS Status | RoHS non-compliant |
Substitute Part Grouping Explanation
Substitution eligibility for the MAX186ACAP is determined by the following critical parameters:
- Channel Count: 8 channels (fixed requirement)
- Resolution: 12 bits (fixed requirement)
- Sampling Rate: 133 kHz (fixed requirement)
- Package: 20-SSOP with identical physical dimensions (fixed requirement)
- Mounting Type: Surface Mount (fixed requirement)
- Data Interface: Serial protocol compatibility (primary criterion)
- Voltage Supply: Dual ± supply architecture (fixed requirement)
The substitute parts identified maintain identical electrical and mechanical specifications across all core parameters. Variations in product status, operating temperature range, and regulatory compliance are secondary considerations that do not affect functional substitution capability.
Parameter Comparison
| Parameter | MAX186ACAP | MAX186ACAP+ | MAX186DEAP+ |
|---|---|---|---|
| Manufacturer | Analog Devices Inc./Maxim Integrated | Analog Devices Inc./Maxim Integrated | Analog Devices Inc./Maxim Integrated |
| Number of Channels | 8 | 8 | 8 |
| Resolution (Bits) | 12 | 12 | 12 |
| Sampling Rate (Per Second) | 133k | 133k | 133k |
| Data Interface | Serial | MICROWIRE™, QSPI™, Serial, SPI™ | MICROWIRE™, QSPI™, Serial, SPI™ |
| Voltage Supply Source | Dual ± | Dual ± | Dual ± |
| Voltage - Supply | Not specified | ±5V | ±5V |
| Operating Temperature | 0°C ~ 70°C | 0°C ~ 70°C | -40°C ~ 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 |
| Moisture Sensitivity Level (MSL) | 1 (Unlimited) | 1 (Unlimited) | 1 (Unlimited) |
Engineering Selection Recommendations
MAX186ACAP+ serves as the direct functional equivalent to the obsolete MAX186ACAP. This part maintains identical electrical specifications and package configuration while offering active product status and ROHS3 compliance. The extended data interface support (MICROWIRE™, QSPI™, SPI™ in addition to Serial) provides enhanced protocol flexibility without affecting core 12-bit, 8-channel, 133 kHz performance. Operating temperature range remains 0°C ~ 70°C.
MAX186DEAP+ is the manufacturer-recommended alternative, offering the same core functionality as MAX186ACAP+ with an extended operating temperature range of -40°C ~ 85°C. This extended temperature specification accommodates industrial and automotive applications requiring operation beyond standard commercial temperature limits. ROHS3 compliance and active product status are maintained.
Selection between MAX186ACAP+ and MAX186DEAP+ depends on application temperature requirements. For standard commercial environments (0°C ~ 70°C), MAX186ACAP+ is appropriate. For extended temperature applications, MAX186DEAP+ is required.
Frequently Asked Questions (FAQ)
Q: Can MAX186ACAP+ directly replace MAX186ACAP in existing designs?
A: Yes. MAX186ACAP+ maintains identical channel count (8), resolution (12 bits), sampling rate (133 kHz), package type (20-SSOP), and mounting configuration. The part is pin-compatible and functionally equivalent for applications operating within the 0°C ~ 70°C temperature range.
Q: What is the difference between MAX186ACAP+ and MAX186DEAP+?
A: Both parts are functionally identical in core specifications. The primary difference is operating temperature range: MAX186ACAP+ operates 0°C ~ 70°C, while MAX186DEAP+ operates -40°C ~ 85°C. MAX186DEAP+ is the manufacturer-recommended choice for extended temperature applications.
Q: Are the substitute parts RoHS compliant?
A: Yes. Both MAX186ACAP+ and MAX186DEAP+ are ROHS3 compliant, whereas the original MAX186ACAP is RoHS non-compliant. This compliance improvement may be relevant for applications subject to RoHS regulatory requirements.
Q: Do the substitute parts support additional data interfaces?
A: Yes. MAX186ACAP+ and MAX186DEAP+ support MICROWIRE™, QSPI™, Serial, and SPI™ protocols, compared to Serial-only support in the original MAX186ACAP. Existing designs using Serial interface remain fully compatible.
Q: Is the 20-SSOP package identical across all three parts?
A: Yes. All three parts use the identical 20-SSOP package with 0.209" width and 5.30mm physical dimensions, ensuring PCB layout compatibility without modification.
Q: What is the moisture sensitivity level for these parts?
A: All three parts have MSL 1 (Unlimited), indicating no moisture sensitivity restrictions for storage or handling.
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