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MAX334CPE Equivalent & Substitute Parts
Part Overview
The MAX334CPE is a 4-circuit analog switch IC manufactured by Analog Devices Inc./Maxim Integrated, configured as SPST-NC (Single Pole Single Throw - Normally Closed) with 50Ohm on-state resistance. This component is classified as obsolete, making identification of suitable substitutes essential for ongoing system support and new design implementations. The part operates across a wide supply voltage range (5V to 30V single supply, or ±5V to ±15V dual supply) and is packaged in a 16-DIP through-hole format.
Substiute Parts
Key Parameters
| Parameter | Value |
|---|---|
| Manufacturer Part Number | MAX334CPE |
| Manufacturer | Analog Devices Inc./Maxim Integrated |
| Category | Interface |
| Description | IC SWITCH SPST-NCX4 50OHM 16DIP |
| Switch Circuit Type | SPST - NC |
| Number of Circuits | 4 |
| On-State Resistance (Max) | 50Ohm |
| Channel-to-Channel Matching (ΔRon) | 1.5Ohm |
| Voltage - Supply, Single (V+) | 5V ~ 30V |
| Voltage - Supply, Dual (V±) | ±5V ~ 15V |
| Switch Time (Ton, Toff) (Max) | 120ns, 75ns |
| Charge Injection | 10pC |
| Channel Capacitance (CS(off), CD(off)) | 10pF, 10pF |
| Current - Leakage (IS(off)) (Max) | 1nA |
| Crosstalk | -86dB @ 1MHz |
| Operating Temperature | 0°C ~ 70°C (TA) |
| Package / Case | 16-DIP (0.300", 7.62mm) |
| Product Status | Obsolete |
| RoHS Status | RoHS non-compliant |
| Moisture Sensitivity Level (MSL) | 1 (Unlimited) |
Substitute Part Grouping Explanation
Substitution of the MAX334CPE is determined by strict equivalence across the following critical parameters:
- Switch circuit configuration: SPST - NC topology with 4 independent circuits
- On-state resistance: 50Ohm maximum specification
- Channel-to-channel matching: 1.5Ohm maximum variation
- Supply voltage range: 5V to 30V single supply or ±5V to ±15V dual supply capability
- Switching performance: Maximum switching times of 120ns (Ton) and 75ns (Toff)
- Charge injection and capacitance specifications: 10pC and 10pF respectively
- Leakage current: 1nA maximum
- Package format: 16-DIP through-hole configuration
- Crosstalk performance: -86dB @ 1MHz minimum
The MAX334CPE+ qualifies as a direct substitute based on identical electrical specifications and compatible packaging, with the distinction of active product status and improved RoHS compliance.
Parameter Comparison
| Parameter | MAX334CPE (Main Part) | MAX334CPE+ (Substitute) |
|---|---|---|
| Manufacturer | Analog Devices Inc./Maxim Integrated | Analog Devices Inc./Maxim Integrated |
| Base Product Number | MAX334 | MAX334 |
| Switch Circuit Type | SPST - NC | SPST - NC |
| Number of Circuits | 4 | 4 |
| Package / Case | 16-DIP (0.300", 7.62mm) | 16-DIP (0.300", 7.62mm) |
| Product Status | Obsolete | Active |
| RoHS Status | RoHS non-compliant | ROHS3 Compliant |
| Moisture Sensitivity Level (MSL) | 1 (Unlimited) | 1 (Unlimited) |
| REACH Status | REACH Unaffected | REACH Unaffected |
| ECCN | EAR99 | EAR99 |
| HTSUS | 8542.39.0001 | 8542.39.0001 |
Engineering Selection Recommendations
The MAX334CPE+ is the appropriate substitute for the obsolete MAX334CPE. Both parts share identical electrical specifications and 16-DIP packaging, ensuring direct functional compatibility in existing circuit designs. The MAX334CPE+ offers the advantage of active product status, ensuring continued availability and supply chain stability. Additionally, the MAX334CPE+ achieves ROHS3 compliance, addressing regulatory requirements for new designs and manufacturing environments where RoHS compliance is mandated. Both parts maintain equivalent moisture sensitivity levels and export classifications, with no restrictions on REACH compliance.
Frequently Asked Questions (FAQ)
Q: Can MAX334CPE+ be used as a direct replacement for MAX334CPE in existing designs?
A: Yes. The MAX334CPE+ provides electrical and functional equivalence with identical on-state resistance (50Ohm), switching times, charge injection, and channel capacitance specifications. The 16-DIP package format is identical, enabling direct pin-compatible substitution.
Q: What is the primary advantage of selecting MAX334CPE+ over MAX334CPE?
A: The MAX334CPE+ maintains active product status with confirmed current inventory availability, whereas the MAX334CPE is obsolete. The MAX334CPE+ also achieves ROHS3 compliance, meeting modern regulatory and manufacturing standards.
Q: Are there any supply voltage or operating temperature differences between these parts?
A: No. Both parts operate across identical supply voltage ranges (5V to 30V single supply or ±5V to ±15V dual supply) and the same operating temperature range (0°C to 70°C).
Q: Does packaging differ between MAX334CPE and MAX334CPE+?
A: Both parts use 16-DIP through-hole packaging with identical 0.300" (7.62mm) pitch specifications. The primary packaging distinction is that MAX334CPE+ is supplied in tube format, whereas MAX334CPE packaging details were not specified.
Q: Are there any crosstalk or leakage current differences?
A: No. Both parts maintain identical crosstalk performance (-86dB @ 1MHz) and maximum leakage current specifications (1nA).
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