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MAX378EPE+ Equivalent & Substitute Parts
Part Overview
The MAX378EPE+ is an 8:1 multiplexer/demultiplexer integrated circuit manufactured by Analog Devices Inc./Maxim Integrated. This interface component features a single circuit configuration with 4.6kOhm on-state resistance and operates across a dual supply voltage range of ±4.5V to ±18V. The device is housed in a 16-pin DIP package and is classified as Active product status with full RoHS3 compliance. Equivalent and substitute parts are identified when design requirements necessitate alternative sourcing, inventory availability, or performance optimization within the specified electrical and mechanical parameters.
Substiute Parts
Key Parameters
| Parameter | Value |
|---|---|
| Multiplexer/Demultiplexer Circuit | 8:1 |
| Number of Circuits | 1 |
| On-State Resistance (Max) | 4.6kOhm |
| Voltage - Supply, Dual (V±) | ±4.5V ~ 18V |
| Switch Time (Ton, Toff) (Max) | 400ns, 300ns (Typ) |
| Channel Capacitance (CS(off), CD(off)) | 5pF, 25pF |
| Current - Leakage (IS(off)) (Max) | 1nA |
| Operating Temperature | -40°C ~ 85°C (TA) |
| Package / Case | 16-DIP (0.300", 7.62mm) |
| RoHS Status | ROHS3 Compliant |
| Moisture Sensitivity Level (MSL) | 1 (Unlimited) |
Substitute Part Grouping Explanation
Substitution eligibility for the MAX378EPE+ is determined by the following critical parameters:
- Multiplexer Configuration: 8:1 topology (mandatory match)
- Number of Circuits: Single circuit (mandatory match)
- Package Type: 16-DIP through-hole mounting (mandatory match)
- On-State Resistance: Maximum 4.6kOhm (substitute must not exceed this value)
- Dual Supply Voltage Range: ±4.5V ~ 18V minimum (substitute must support this range or broader)
- Operating Temperature: -40°C ~ 85°C (substitute must cover this range or broader)
- RoHS3 Compliance: Required for regulatory alignment
Substitute parts are grouped into two categories based on on-state resistance performance: lower resistance alternatives (300Ohm to 1.8kOhm) that provide improved switching characteristics, and equivalent resistance alternatives (4.6kOhm) that maintain identical electrical performance.
Parameter Comparison
| Parameter | MAX378EPE+ | HI3-0508A-5Z | MPC508AP | MUX08EPZ | MUX08FPZ |
|---|---|---|---|---|---|
| Manufacturer | Analog Devices Inc./Maxim Integrated | Renesas Electronics Corporation | Texas Instruments | Analog Devices Inc. | Analog Devices Inc. |
| Multiplexer/Demultiplexer Circuit | 8:1 | 8:1 | 8:1 | 8:1 | 8:1 |
| Number of Circuits | 1 | 1 | 1 | 1 | 1 |
| On-State Resistance (Max) | 4.6kOhm | 1.8kOhm | 1.5kOhm | 300Ohm | 300Ohm |
| Voltage - Supply, Dual (V±) | ±4.5V ~ 18V | ±15V | ±5V ~ 22V | Not specified | Not specified |
| Switch Time (Ton, Toff) (Max) | 400ns, 300ns (Typ) | 300ns, 300ns (Typ) | 200ns, 250ns (Typ) | 2µs, 400ns | 2µs, 400ns |
| Channel Capacitance (CS(off), CD(off)) | 5pF, 25pF | 10pF, 25pF | 5pF, 25pF | 2.5pF, 7pF | 2.5pF, 7pF |
| Current - Leakage (IS(off)) (Max) | 1nA | 30pA (Typ) | 500pA (Typ) | 1nA | 1nA |
| Operating Temperature | -40°C ~ 85°C (TA) | 0°C ~ 75°C (TA) | -40°C ~ 85°C (TA) | 0°C ~ 70°C (TA) | -40°C ~ 85°C (TA) |
| Package / Case | 16-DIP (0.300", 7.62mm) | 16-DIP (0.300", 7.62mm) | 16-DIP (0.300", 7.62mm) | 16-DIP (0.300", 7.62mm) | 16-DIP (0.300", 7.62mm) |
| RoHS Status | ROHS3 Compliant | ROHS3 Compliant | ROHS3 Compliant | ROHS3 Compliant | ROHS3 Compliant |
| Moisture Sensitivity Level (MSL) | 1 (Unlimited) | 1 (Unlimited) | Not Applicable | 1 (Unlimited) | 1 (Unlimited) |
Engineering Selection Recommendations
Direct Equivalent (Identical Specifications)
MAX378EPE+ serves as the direct equivalent to itself with 861 pieces in stock inventory. This part maintains full compatibility across all electrical and mechanical parameters.
Lower Resistance Alternatives
HI3-0508A-5Z (Renesas Electronics Corporation) provides 1.8kOhm on-state resistance with improved switching performance. This substitute is suitable for applications where lower on-state resistance is beneficial. However, the operating temperature range is limited to 0°C ~ 75°C, which is narrower than the MAX378EPE+ specification of -40°C ~ 85°C. The dual supply voltage specification is fixed at ±15V, which is within the MAX378EPE+ range but does not extend to the full ±4.5V minimum. Inventory availability is 2100 pieces.
MPC508AP (Texas Instruments) offers 1.5kOhm on-state resistance with the fastest switching times (200ns, 250ns). This part maintains the full operating temperature range of -40°C ~ 85°C and supports dual supply voltage from ±5V ~ 22V, which exceeds the MAX378EPE+ specification. Inventory availability is 4272 pieces.
MUX08EPZ (Analog Devices Inc.) and MUX08FPZ (Analog Devices Inc.) both feature 300Ohm on-state resistance with superior switching characteristics and lower channel capacitance. MUX08FPZ maintains the full -40°C ~ 85°C operating temperature range, while MUX08EPZ is limited to 0°C ~ 70°C. Both parts exhibit -70dB crosstalk at 500kHz. Inventory availability is 2400 pieces for MUX08EPZ and 1161 pieces for MUX08FPZ.
All substitute parts maintain RoHS3 compliance and 16-DIP package compatibility with the MAX378EPE+.
Frequently Asked Questions (FAQ)
Q: Can HI3-0508A-5Z replace MAX378EPE+ in all applications?
A: HI3-0508A-5Z is electrically compatible for the 8:1 multiplexer function and shares the 16-DIP package. However, the operating temperature range is restricted to 0°C ~ 75°C compared to MAX378EPE+ at -40°C ~ 85°C. Applications requiring full temperature range operation must use MPC508AP, MUX08FPZ, or the original MAX378EPE+.
Q: What is the advantage of MPC508AP over MAX378EPE+?
A: MPC508AP provides lower on-state resistance (1.5kOhm versus 4.6kOhm) and faster switching times (200ns/250ns versus 400ns/300ns). The dual supply voltage range extends to ±22V maximum, exceeding the MAX378EPE+ specification. The operating temperature range matches at -40°C ~ 85°C.
Q: Are MUX08EPZ and MUX08FPZ suitable for high-frequency applications?
A: Both MUX08EPZ and MUX08FPZ feature significantly lower on-state resistance (300Ohm) and reduced channel capacitance (2.5pF/7pF versus 5pF/25pF). MUX08FPZ maintains the full -40°C ~ 85°C operating temperature range. However, MUX08EPZ is limited to 0°C ~ 70°C. Both parts exhibit -70dB crosstalk at 500kHz, suitable for precision signal switching applications.
Q: Is the 16-DIP package identical across all substitute parts?
A: All substitute parts use the 16-DIP (0.300", 7.62mm) through-hole package, ensuring mechanical compatibility with MAX378EPE+ in PCB layouts and socket configurations.
Q: Do all substitute parts meet RoHS3 compliance?
A: All listed substitute parts are RoHS3 compliant, maintaining regulatory alignment with MAX378EPE+ for environmental and hazardous substance restrictions.
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