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HI9P0508-5 Equivalent & Substitute Parts
Part Overview
The HI9P0508-5 is an 8:1 analog multiplexer IC manufactured by Renesas Electronics Corporation, housed in a 16-SOIC surface mount package. This device functions as a single-circuit switch with 400Ohm on-state resistance, designed for signal routing applications requiring dual supply operation (±15V). The HI9P0508-5 carries an obsolete product status, making equivalent and substitute parts necessary for ongoing design support and production continuity. Direct replacements and functionally similar alternatives are available from both Renesas and Analog Devices, with varying electrical characteristics and compliance certifications.
Substiute Parts
Key Parameters
| Parameter | HI9P0508-5 Value |
|---|---|
| Multiplexer Configuration | 8:1 |
| Number of Circuits | 1 |
| On-State Resistance (Max) | 400Ohm |
| Channel-to-Channel Matching (ΔRon) | 20Ohm |
| Voltage - Supply, Dual (V±) | ±15V |
| Switch Time (Ton, Toff) (Max) | 250ns, 250ns (Typ) |
| Channel Capacitance (CS(off), CD(off)) | 10pF, 17pF |
| Current - Leakage (IS(off)) (Max) | 30pA (Typ) |
| Operating Temperature | 0°C ~ 75°C |
| Package / Case | 16-SOIC (0.154", 3.90mm Width) |
| Mounting Type | Surface Mount |
| Product Status | Obsolete |
| RoHS Status | RoHS non-compliant |
Substitute Part Grouping Explanation
Substitution eligibility for the HI9P0508-5 is determined by the following critical parameters: 8:1 multiplexer configuration, single-circuit topology, 16-SOIC package form factor, and dual supply voltage operation. Substitute parts are grouped into two categories:
Direct Manufacturer Equivalent: HI9P0508-5Z maintains identical electrical specifications (400Ohm on-state resistance, 20Ohm channel matching, ±15V dual supply, 250ns switching time) and package dimensions. This part differs only in product status (Active vs. Obsolete) and RoHS compliance level.
Functionally Similar Alternatives: Analog Devices ADG series multiplexers (ADG1208, ADG1308, ADG508) provide 8:1 switching functionality in the same 16-SOIC package. These alternatives vary in on-state resistance (200Ohm to 300Ohm), supply voltage ranges, switching speed, and operating temperature specifications. Substitution feasibility depends on circuit tolerance for these parameter variations.
Parameter Comparison
| Parameter | HI9P0508-5 | HI9P0508-5Z | ADG1208YRZ | ADG1308BRZ-REEL7 | ADG508AKRZ-REEL7 | ADG508FBRNZ-REEL7 |
|---|---|---|---|---|---|---|
| Manufacturer | Renesas | Renesas | Analog Devices | Analog Devices | Analog Devices | Analog Devices |
| Multiplexer Configuration | 8:1 | 8:1 | 8:1 | 8:1 | 8:1 | 8:1 |
| On-State Resistance (Max) | 400Ohm | 400Ohm | 200Ohm | 210Ohm | 300Ohm | 270Ohm (Typ) |
| Channel-to-Channel Matching (ΔRon) | 20Ohm | 20Ohm | 4.6Ohm | 5Ohm | 15Ohm | 8.1Ohm |
| Voltage - Supply, Dual (V±) | ±15V | ±15V | ±5V ~ ±16.5V | ±5V ~ ±16.5V | ±10.8V ~ ±16.5V | ±15V |
| Switch Time (Ton, Toff) (Max) | 250ns, 250ns | 250ns, 250ns | 95ns, 100ns | 100ns, 100ns | 300ns, 300ns | 230ns, 130ns |
| Channel Capacitance (CS(off), CD(off)) | 10pF, 17pF | 10pF, 17pF | 1.5pF, 7pF | 15pF, 20pF | 5pF, 22pF | 3pF, 22pF |
| Current - Leakage (IS(off)) (Max) | 30pA (Typ) | 30pA (Typ) | 100pA | 1nA | 1nA | 1nA |
| Operating Temperature | 0°C ~ 75°C | 0°C ~ 75°C | -40°C ~ 125°C | -40°C ~ 105°C | -40°C ~ 85°C | -40°C ~ 85°C |
| Package / Case | 16-SOIC (0.154", 3.90mm) | 16-SOIC (0.154", 3.90mm) | 16-SOIC (0.154", 3.90mm) | 16-SOIC (0.154", 3.90mm) | 16-SOIC (0.154", 3.90mm) | 16-SOIC (0.154", 3.90mm) |
| Product Status | Obsolete | Active | Active | Active | Active | Active |
| RoHS Status | RoHS non-compliant | ROHS3 Compliant | ROHS3 Compliant | ROHS3 Compliant | ROHS3 Compliant | ROHS3 Compliant |
Engineering Selection Recommendations
Direct Replacement (Recommended for Legacy Support): HI9P0508-5Z is the primary equivalent, offering identical electrical performance and package compatibility. This part maintains Active product status and achieves ROHS3 compliance, addressing the obsolescence and regulatory limitations of the original HI9P0508-5. Selection of HI9P0508-5Z requires no circuit redesign.
Lower On-State Resistance Alternatives: ADG1208YRZ and ADG1308BRZ-REEL7 provide 200Ohm and 210Ohm on-state resistance respectively, representing 50% reduction compared to the HI9P0508-5. These parts offer improved signal integrity and reduced power dissipation in applications tolerant of lower impedance. Both maintain ROHS3 compliance and extended operating temperature ranges (-40°C to 125°C and -40°C to 105°C respectively).
Mid-Range Resistance Alternatives: ADG508AKRZ-REEL7 and ADG508FBRNZ-REEL7 provide 300Ohm and 270Ohm on-state resistance, closer to the original 400Ohm specification. ADG508FBRNZ-REEL7 offers the fastest switching time (230ns/130ns) among mid-range options. Both achieve ROHS3 compliance and support ±15V dual supply operation.
Compliance Consideration: All substitute parts listed carry ROHS3 compliance certification, addressing regulatory requirements absent in the obsolete HI9P0508-5. Selection should prioritize Active product status parts to ensure long-term availability and manufacturing support.
Frequently Asked Questions (FAQ)
Q: Can ADG1208YRZ directly replace HI9P0508-5 in existing designs?
A: ADG1208YRZ is electrically compatible in 16-SOIC package form factor and 8:1 multiplexer configuration. However, the 200Ohm on-state resistance differs significantly from the original 400Ohm specification. Circuit redesign validation is required to confirm tolerance for this parameter change. The part supports ±5V to ±16.5V dual supply, encompassing the original ±15V requirement.
Q: What is the primary advantage of HI9P0508-5Z over other substitutes?
A: HI9P0508-5Z maintains identical electrical specifications (400Ohm on-state resistance, 20Ohm channel matching, 250ns switching time) and package dimensions as the original HI9P0508-5. This part requires no circuit modification and provides the most direct path for design continuity. Active product status ensures ongoing availability and manufacturing support.
Q: Are all substitute parts available in the same package dimensions?
A: All listed substitutes use 16-SOIC surface mount packaging. ADG508FBRWZ differs in physical width (0.295" vs. 0.154"), which may affect PCB layout compatibility. Verify package dimensions against PCB footprint specifications before final selection.
Q: Which substitute offers the best switching performance?
A: ADG1208YRZ provides the fastest switching time at 95ns (Ton) and 100ns (Toff), compared to the original 250ns specification. ADG508FBRNZ-REEL7 offers 230ns (Ton) and 130ns (Toff), providing moderate speed improvement. Selection depends on circuit timing requirements and acceptable on-state resistance variation.
Q: Do all substitutes meet RoHS compliance requirements?
A: All listed substitute parts carry ROHS3 compliance certification. The original HI9P0508-5 is RoHS non-compliant. Selection of any substitute addresses regulatory compliance gaps in legacy designs requiring RoHS certification.
Q: What is the impact of channel-to-channel matching variation on circuit performance?
A: The original HI9P0508-5 specifies 20Ohm channel matching. ADG1208YRZ provides superior matching at 4.6Ohm, while ADG508AKRZ-REEL7 specifies 15Ohm. Tighter matching reduces crosstalk and improves signal fidelity in precision analog applications. Applications with relaxed matching tolerances can accept any listed substitute.
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