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MAX4588CWI Equivalent & Substitute Parts
Part Overview
The MAX4588CWI is a dual-channel RF/video multiplexer IC manufactured by Analog Devices Inc./Maxim Integrated, designed for video switching applications. This component features a 4:1 multiplexer configuration with break-before-make switching and SPI control in a 28-SOIC surface mount package. The MAX4588CWI is classified as obsolete, making identification of compatible substitute parts essential for ongoing system support and new design implementations where this component is specified.
Substiute Parts
Key Parameters
| Parameter | Value |
|---|---|
| Manufacturer Part Number | MAX4588CWI |
| Manufacturer | Analog Devices Inc./Maxim Integrated |
| Category | Interface |
| Description | IC MUX DUAL RF VIDEO 4CH 28-SOIC |
| Multiplexer Configuration | 4:1 |
| Number of Channels | 2 |
| On-State Resistance (Max) | 60 Ohm |
| Voltage - Supply, Single (V+) | 2.7V ~ 12V |
| Voltage - Supply, Dual (V±) | ±2.7V ~ 6V |
| -3dB Bandwidth | 180 MHz |
| Features | Break-Before-Make, SPI, T-Switch Configuration |
| Operating Temperature | 0°C ~ 70°C (TA) |
| Package / Case | 28-SOIC (0.295", 7.50mm Width) |
| Mounting Type | Surface Mount |
| Product Status | Obsolete |
Substitute Part Grouping Explanation
Substitution eligibility for the MAX4588CWI is determined by strict equivalence across the following critical parameters:
- Multiplexer configuration (4:1)
- Number of channels (2)
- On-state resistance maximum (60 Ohm)
- Supply voltage ranges (Single: 2.7V ~ 12V; Dual: ±2.7V ~ 6V)
- Bandwidth specification (-3dB: 180 MHz)
- Control interface (SPI)
- Switching characteristics (Break-Before-Make, T-Switch Configuration)
- Package type (28-SOIC)
- Mounting type (Surface Mount)
The MAX4588CWI+ meets all substitution criteria as a direct equivalent from the same manufacturer, with identical electrical and mechanical specifications. The primary distinction is product status and compliance certification.
Parameter Comparison
| Parameter | MAX4588CWI | MAX4588CWI+ |
|---|---|---|
| Manufacturer | Analog Devices Inc./Maxim Integrated | Analog Devices Inc./Maxim Integrated |
| Multiplexer Configuration | 4:1 | 4:1 |
| Number of Channels | 2 | 2 |
| On-State Resistance (Max) | 60 Ohm | 60 Ohm |
| Voltage - Supply, Single (V+) | 2.7V ~ 12V | 2.7V ~ 12V |
| Voltage - Supply, Dual (V±) | ±2.7V ~ 6V | ±2.7V ~ 6V |
| -3dB Bandwidth | 180 MHz | 180 MHz |
| Features | Break-Before-Make, SPI, T-Switch Configuration | Break-Before-Make, SPI, T-Switch Configuration |
| Operating Temperature | 0°C ~ 70°C (TA) | 0°C ~ 70°C (TA) |
| Package / Case | 28-SOIC (0.295", 7.50mm Width) | 28-SOIC (0.295", 7.50mm 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 MAX4588CWI+ is the direct substitute for the MAX4588CWI. Both components are electrically and mechanically identical across all functional parameters. Selection between these parts should be based on the following criteria:
For new designs and systems requiring regulatory compliance, the MAX4588CWI+ is the appropriate choice due to its active product status and ROHS3 compliance certification. This part is currently in production and available through standard distribution channels.
For legacy system maintenance where the original MAX4588CWI is specified, the MAX4588CWI+ provides pin-for-pin and functional compatibility without circuit redesign. The identical electrical specifications ensure drop-in replacement capability.
The RoHS3 compliance of the MAX4588CWI+ addresses environmental and regulatory requirements applicable to modern manufacturing and distribution. The non-compliant status of the MAX4588CWI reflects its obsolete classification and historical production timeline.
Frequently Asked Questions (FAQ)
Q: Can the MAX4588CWI+ be used as a direct replacement for the MAX4588CWI?
A: Yes. The MAX4588CWI+ is electrically and mechanically equivalent to the MAX4588CWI. All functional parameters, including multiplexer configuration, channel count, on-state resistance, supply voltage ranges, bandwidth, and package specifications are identical. No circuit modifications are required.
Q: What is the primary difference between these two parts?
A: The MAX4588CWI is obsolete, while the MAX4588CWI+ is active and in current production. The MAX4588CWI+ also carries ROHS3 compliance certification, whereas the MAX4588CWI is RoHS non-compliant. Electrical and mechanical specifications are identical.
Q: Are there any package or pinout differences?
A: No. Both parts use the 28-SOIC surface mount package with identical pinout and mechanical dimensions (0.295", 7.50mm Width). The MAX4588CWI+ is supplied in tube packaging, while the original MAX4588CWI packaging is not specified.
Q: What applications are these components suitable for?
A: Both parts are designed for video switching applications requiring RF/video multiplexing with 4:1 channel selection, SPI control interface, and break-before-make switching characteristics.
Q: Are the supply voltage specifications identical?
A: Yes. Both parts support single supply operation from 2.7V to 12V and dual supply operation from ±2.7V to ±6V, with identical on-state resistance and bandwidth performance across the specified voltage ranges.
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