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MAX336EUI Equivalent & Substitute Parts
Part Overview
The MAX336EUI is a 16:1 analog multiplexer/demultiplexer IC manufactured by Analog Devices Inc./Maxim Integrated. This single-circuit switch device features 400Ohm on-state resistance and operates across a wide supply voltage range. The part is classified as obsolete, which necessitates identification of functionally equivalent alternatives for new designs and ongoing production requirements. The MAX336EUI is packaged in a 28-TSSOP surface mount configuration suitable for high-density applications.
Substiute Parts
Key Parameters
| Parameter | Value |
|---|---|
| Multiplexer/Demultiplexer Circuit | 16:1 |
| Number of Circuits | 1 |
| On-State Resistance (Max) | 400Ohm |
| Channel-to-Channel Matching (ΔRon) | 5Ohm |
| Voltage - Supply, Single (V+) | 4.5V ~ 20V |
| Voltage - Supply, Dual (V±) | ±4.5V ~ 20V |
| Switch Time (Ton, Toff) (Max) | 500ns, 500ns |
| Charge Injection | 4.6pC |
| Channel Capacitance (CS(off), CD(off)) | 2pF, 20pF |
| Current - Leakage (IS(off)) (Max) | 20pA |
| Crosstalk | -86dB @ 100kHz |
| Operating Temperature | -40°C ~ 85°C (TA) |
| Package / Case | 28-TSSOP (0.173", 4.40mm Width) |
| Mounting Type | Surface Mount |
Substitute Part Grouping Explanation
Substitution of the MAX336EUI is determined by strict equivalence across the following critical parameters:
- Multiplexer configuration: 16:1 topology with single circuit
- On-state resistance: 400Ohm maximum
- Channel-to-channel matching: 5Ohm tolerance
- Supply voltage compatibility: Single supply 4.5V ~ 20V and dual supply ±4.5V ~ 20V
- Switching performance: 500ns maximum for both Ton and Toff
- Electrical characteristics: Charge injection, channel capacitance, leakage current, and crosstalk specifications
- Physical form factor: 28-TSSOP surface mount package
The MAX336EUI+ meets all these criteria and qualifies as a direct substitute. The primary distinction is product status and compliance certification.
Parameter Comparison
| Parameter | MAX336EUI | MAX336EUI+ |
|---|---|---|
| Multiplexer/Demultiplexer Circuit | 16:1 | 16:1 |
| Number of Circuits | 1 | 1 |
| On-State Resistance (Max) | 400Ohm | 400Ohm |
| Channel-to-Channel Matching (ΔRon) | 5Ohm | 5Ohm |
| Voltage - Supply, Single (V+) | 4.5V ~ 20V | 4.5V ~ 30V |
| Voltage - Supply, Dual (V±) | ±4.5V ~ 20V | ±4.5V ~ 20V |
| Switch Time (Ton, Toff) (Max) | 500ns, 500ns | 500ns, 500ns |
| Charge Injection | 4.6pC | 4.6pC |
| Channel Capacitance (CS(off), CD(off)) | 2pF, 20pF | 2pF, 20pF |
| Current - Leakage (IS(off)) (Max) | 20pA | 20pA |
| Crosstalk | -86dB @ 100kHz | -86dB @ 100kHz |
| Operating Temperature | -40°C ~ 85°C (TA) | -40°C ~ 85°C (TA) |
| Package / Case | 28-TSSOP (0.173", 4.40mm Width) | 28-TSSOP (0.173", 4.40mm Width) |
| Mounting Type | Surface Mount | Surface Mount |
| Product Status | Obsolete | Active |
| RoHS Status | RoHS non-compliant | ROHS3 Compliant |
| Packaging | Not specified | Tube |
Engineering Selection Recommendations
The MAX336EUI+ is the direct functional equivalent of the MAX336EUI. Selection between these parts is determined by application requirements and regulatory compliance:
For new designs and production environments where RoHS3 compliance is required, the MAX336EUI+ is the appropriate selection. This part maintains identical electrical performance across all critical parameters while offering extended single-supply voltage range (4.5V ~ 30V versus 4.5V ~ 20V) and active product status with ongoing manufacturer support.
For legacy systems or applications where RoHS compliance is not a constraint, the MAX336EUI remains functionally equivalent. However, availability of the obsolete MAX336EUI may be limited compared to the active MAX336EUI+.
Both parts are supplied in 28-TSSOP surface mount packages and are pin-compatible, requiring no circuit modifications for substitution.
Frequently Asked Questions (FAQ)
Q: Can MAX336EUI+ replace MAX336EUI in existing designs?
A: Yes. The MAX336EUI+ is electrically and mechanically equivalent to the MAX336EUI. Both parts feature identical 16:1 multiplexer configuration, 400Ohm on-state resistance, switching performance, and 28-TSSOP package. No circuit modifications are required.
Q: What is the primary difference between MAX336EUI and MAX336EUI+?
A: The MAX336EUI+ offers extended single-supply voltage range (4.5V ~ 30V versus 4.5V ~ 20V), RoHS3 compliance, and active product status. The MAX336EUI is classified as obsolete.
Q: Are there package compatibility concerns?
A: No. Both parts use identical 28-TSSOP (0.173", 4.40mm Width) surface mount packages. PCB layouts and footprints are interchangeable.
Q: Which part should be selected for new production?
A: The MAX336EUI+ is recommended for new designs due to active product status, RoHS3 compliance, and extended voltage range capability.
Q: Is the MAX336EUI still available?
A: The MAX336EUI is classified as obsolete. Availability is limited to existing inventory. The MAX336EUI+ is the active equivalent with ongoing manufacturer support.
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