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MAX901BESE Equivalent & Substitute Parts
Part Overview
The MAX901BESE is a general-purpose comparator IC manufactured by Analog Devices Inc./Maxim Integrated, featuring four independent comparator elements in a 16-SOIC surface-mount package. This device is designed for TTL-compatible output applications with dual supply voltage operation. The MAX901BESE is currently classified as obsolete, making identification of functionally equivalent active alternatives essential for ongoing design support and production continuity.
Substiute Parts
Key Parameters
| Parameter | Value |
|---|---|
| Manufacturer | Analog Devices Inc./Maxim Integrated |
| Category | Linear - Comparator |
| Type | General Purpose |
| Number of Elements | 4 |
| Output Type | TTL |
| Voltage - Supply, Single/Dual (±) | 5V ~ 10V, ±2.5V ~ 5V |
| Voltage - Input Offset (Max) | 4mV @ ±5V |
| Current - Input Bias (Max) | 10µA @ ±5V |
| Current - Quiescent (Max) | 15mA, 12mA, 6mA |
| CMRR, PSRR (Typ) | 82.5dB CMRR, 80dB PSRR |
| Operating Temperature | -40°C ~ 85°C |
| Package / Case | 16-SOIC (0.154", 3.90mm Width) |
| Mounting Type | Surface Mount |
| RoHS Status | RoHS non-compliant |
| Moisture Sensitivity Level (MSL) | 1 (Unlimited) |
Substitute Part Grouping Explanation
Substitution of the MAX901BESE is determined by strict equivalence across the following critical parameters:
- Number of comparator elements: 4
- Output type: TTL
- Supply voltage range: 5V ~ 10V, ±2.5V ~ 5V
- Input offset voltage: 4mV @ ±5V
- Input bias current: 10µA @ ±5V
- Quiescent current specifications: 15mA, 12mA, 6mA
- Common-mode rejection ratio: 82.5dB CMRR
- Power supply rejection ratio: 80dB PSRR
- Operating temperature range: -40°C ~ 85°C
- Package: 16-SOIC surface-mount form factor
The MAX901BESE+ meets all electrical and mechanical substitution criteria while offering improved product status and compliance characteristics.
Parameter Comparison
| Parameter | MAX901BESE (Main Part) | MAX901BESE+ (Substitute) |
|---|---|---|
| Manufacturer | Analog Devices Inc./Maxim Integrated | Analog Devices Inc./Maxim Integrated |
| Product Status | Obsolete | Active |
| Number of Elements | 4 | 4 |
| Output Type | TTL | TTL |
| Voltage - Supply, Single/Dual (±) | 5V ~ 10V, ±2.5V ~ 5V | 5V ~ 10V, ±2.5V ~ 5V |
| Voltage - Input Offset (Max) | 4mV @ ±5V | 4mV @ ±5V |
| Current - Input Bias (Max) | 10µA @ ±5V | 10µA @ ±5V |
| Current - Quiescent (Max) | 15mA, 12mA, 6mA | 15mA, 12mA, 6mA |
| CMRR, PSRR (Typ) | 82.5dB CMRR, 80dB PSRR | 82.5dB CMRR, 80dB PSRR |
| Operating Temperature | -40°C ~ 85°C | -40°C ~ 85°C |
| Package / Case | 16-SOIC (0.154", 3.90mm Width) | 16-SOIC (0.154", 3.90mm Width) |
| Mounting Type | Surface Mount | Surface Mount |
| RoHS Status | RoHS non-compliant | ROHS3 Compliant |
| Moisture Sensitivity Level (MSL) | 1 (Unlimited) | 1 (Unlimited) |
| REACH Status | REACH Unaffected | REACH Unaffected |
Engineering Selection Recommendations
The MAX901BESE+ is the direct functional equivalent of the MAX901BESE, with identical electrical specifications and package form factor. The primary distinction is product status: the MAX901BESE is obsolete, while the MAX901BESE+ maintains active production status. Additionally, the MAX901BESE+ achieves ROHS3 compliance, whereas the original MAX901BESE is RoHS non-compliant. Both devices share identical moisture sensitivity classification and REACH status. For new designs or production continuity where the MAX901BESE is no longer available, the MAX901BESE+ provides full electrical and mechanical compatibility without design modification.
Frequently Asked Questions (FAQ)
Q: Are the MAX901BESE and MAX901BESE+ pin-compatible?
A: Yes. Both devices use the 16-SOIC surface-mount package with identical pinout and electrical characteristics. No PCB layout modifications are required for substitution.
Q: What is the primary reason to substitute the MAX901BESE?
A: The MAX901BESE is classified as obsolete. The MAX901BESE+ is the active equivalent, ensuring continued component availability and supply chain reliability.
Q: Does the MAX901BESE+ meet RoHS requirements?
A: Yes. The MAX901BESE+ is ROHS3 compliant, whereas the original MAX901BESE is RoHS non-compliant. This distinction is relevant for applications subject to RoHS regulatory requirements.
Q: Are the electrical specifications identical between these parts?
A: Yes. Input offset voltage, input bias current, quiescent current, CMRR, PSRR, and operating temperature range are identical across both devices.
Q: Can the MAX901BESE+ be used in existing designs without circuit modification?
A: Yes. The MAX901BESE+ is a direct substitute with no circuit design changes required. Existing PCB layouts and schematics remain valid.
Q: What is the moisture sensitivity classification for both devices?
A: Both the MAX901BESE and MAX901BESE+ carry MSL 1 (Unlimited) classification, indicating no moisture sensitivity constraints during storage or handling.
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