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PS398CSEEX Equivalent & Substitute Parts
Part Overview
The PS398CSEEX is an 8:1 analog multiplexer IC manufactured by Diodes Incorporated, housed in a 16-SOIC package with 100Ohm on-state resistance. This part is classified as obsolete, making equivalent and substitute parts necessary for ongoing design support and procurement. The PS398CSEEX operates across single supply (3V to 15V) and dual supply (±3V to ±8V) configurations, serving as a precision analog switch for signal routing applications in industrial and consumer electronics.
Substiute Parts
Key Parameters
| Parameter | PS398CSEEX Value |
|---|---|
| Multiplexer Configuration | 8:1 |
| On-State Resistance (Max) | 100Ohm |
| Channel-to-Channel Matching (ΔRon) | 6Ohm (Max) |
| Voltage - Supply, Single (V+) | 3V ~ 15V |
| Voltage - Supply, Dual (V±) | ±3V ~ 8V |
| Switch Time (Ton, Toff) (Max) | 150ns, 150ns |
| Charge Injection | 2.8pC |
| Channel Capacitance (CS(off), CD(off)) | 3.6pF, 31pF |
| Current - Leakage (IS(off)) (Max) | 50nA |
| Crosstalk | -92dB @ 100kHz |
| Package / Case | 16-SOIC (0.295", 7.50mm Width) |
| Mounting Type | Surface Mount |
| RoHS Status | ROHS3 Compliant |
| Moisture Sensitivity Level (MSL) | 1 (Unlimited) |
Substitute Part Grouping Explanation
Substitution for the PS398CSEEX is determined by the following critical parameters:
Primary Substitution Criteria:
- Multiplexer configuration: 8:1 topology
- On-state resistance compatibility: Parts with 100Ohm to 380Ohm maximum resistance
- Package type: 16-SOIC surface mount
- Supply voltage overlap: Minimum overlap with 3V to 15V single supply or ±3V to ±8V dual supply range
- RoHS3 compliance and MSL rating
Substitution Groups:
Group 1 - Direct Electrical Match (100Ohm On-State Resistance): MAX398CSE+, MAX398CSE+T, and MAX398ESE+ provide identical on-state resistance and channel matching specifications. These parts maintain the same electrical performance envelope as the PS398CSEEX with active product status.
Group 2 - Higher On-State Resistance (200Ohm to 210Ohm): ADG1208YRZ, ADG1208YRZ-REEL7, and ADG1308BRZ-REEL7 operate with increased on-state resistance but maintain 8:1 multiplexer configuration and 16-SOIC packaging. These parts offer improved bandwidth and reduced charge injection at the cost of higher resistance.
Group 3 - Moderate On-State Resistance (350Ohm to 380Ohm): MAX354EWE+ and DG508BEY-T1-E3 provide higher on-state resistance with extended supply voltage ranges. These parts are suitable for applications where resistance tolerance is less critical.
Group 4 - High On-State Resistance (1.8kOhm): HI9P0548-5Z and HI9P0548-5Z96 operate with significantly higher on-state resistance and are limited to dual supply operation (±15V). These parts are suitable only for applications with relaxed resistance requirements and dual supply availability.
Parameter Comparison
| Part Number | Manufacturer | On-State Resistance (Max) | ΔRon (Max) | V+ Supply | V± Supply | Ton/Toff (Max) | Charge Injection | IS(off) (Max) | Crosstalk | Package | Product Status |
|---|---|---|---|---|---|---|---|---|---|---|---|
| PS398CSEEX | Diodes Incorporated | 100Ohm | 6Ohm | 3V ~ 15V | ±3V ~ 8V | 150ns, 150ns | 2.8pC | 50nA | -92dB @ 100kHz | 16-SOIC (0.295") | Obsolete |
| MAX398CSE+ | Analog Devices Inc./Maxim | 100Ohm | 6Ohm | 3V ~ 15V | ±3V ~ 8V | 150ns, 150ns | 2pC | 100pA | -92dB @ 100kHz | 16-SOIC (0.154") | Active |
| MAX398CSE+T | Analog Devices Inc./Maxim | 100Ohm | 6Ohm | 3V ~ 15V | ±3V ~ 8V | 150ns, 150ns | 2pC | 100pA | -92dB @ 100kHz | 16-SOIC (0.154") | Active |
| MAX398ESE+ | Analog Devices Inc./Maxim | 100Ohm | 6Ohm | 3V ~ 15V | ±3V ~ 8V | 150ns, 150ns | 2pC | 100pA | -92dB @ 100kHz | 16-SOIC (0.154") | Active |
| ADG1208YRZ | Analog Devices Inc. | 200Ohm | 4.6Ohm | 5V ~ 16.5V | ±5V ~ 16.5V | 95ns, 100ns | 0.4pC | 100pA | -85dB @ 1MHz | 16-SOIC (0.154") | Active |
| ADG1208YRZ-REEL7 | Analog Devices Inc. | 200Ohm | 4.6Ohm | 5V ~ 16.5V | ±5V ~ 16.5V | 95ns, 100ns | 0.4pC | 100pA | -85dB @ 1MHz | 16-SOIC (0.154") | Active |
| ADG1308BRZ-REEL7 | Analog Devices Inc. | 210Ohm | 5Ohm | 5V ~ 16.5V | ±5V ~ 16.5V | 100ns, 100ns | 2pC | 1nA | -80dB @ 1MHz | 16-SOIC (0.154") | Active |
| MAX354EWE+ | Analog Devices Inc./Maxim | 350Ohm | 7Ohm | 4.5V ~ 36V | ±4.5V ~ 18V | 250ns, 200ns | 80pC | 500pA | -92dB @ 100kHz | 16-SOIC (0.295") | Active |
| DG508BEY-T1-E3 | Vishay Siliconix | 380Ohm | 10Ohm | 12V ~ 44V | ±5V ~ 20V | 250ns, 240ns | 2pC | 1nA | -88dB @ 1MHz | 16-SOIC (0.154") | Active |
| HI9P0548-5Z | Renesas Electronics | 1.8kOhm | 126Ohm | — | ±15V | 300ns, 300ns (Typ) | — | 30pA (Typ) | — | 16-SOIC (0.154") | Active |
| HI9P0548-5Z96 | Renesas Electronics | 1.8kOhm | 126Ohm | — | ±15V | 300ns, 300ns (Typ) | — | 30pA (Typ) | — | 16-SOIC (0.154") | Active |
Engineering Selection Recommendations
For Direct Replacement (Identical Electrical Performance): MAX398CSE+, MAX398CSE+T, and MAX398ESE+ are active products with identical on-state resistance (100Ohm), channel matching (6Ohm max), and supply voltage specifications. All three maintain ROHS3 compliance and MSL-1 rating. Selection between these three depends on packaging preference (tube vs. tape & reel) and operating temperature range requirements. MAX398ESE+ supports -40°C to 85°C, while MAX398CSE+ is rated 0°C to 70°C.
For Applications Tolerating Higher On-State Resistance: ADG1208YRZ and ADG1208YRZ-REEL7 provide 200Ohm on-state resistance with superior charge injection (0.4pC vs. 2.8pC) and faster switching times (95ns/100ns vs. 150ns/150ns). These parts require minimum 5V single supply and are suitable for applications where lower resistance is not critical. ADG1308BRZ-REEL7 offers similar performance with 210Ohm resistance and extended temperature range to 105°C.
For Extended Supply Voltage Range Applications: MAX354EWE+ supports 4.5V to 36V single supply and ±4.5V to ±18V dual supply, accommodating wider input voltage variations. On-state resistance increases to 350Ohm. DG508BEY-T1-E3 extends to 12V to 44V single supply and ±5V to ±20V dual supply with 380Ohm on-state resistance, suitable for industrial applications with higher voltage requirements.
For Dual Supply Only Applications: HI9P0548-5Z and HI9P0548-5Z96 operate exclusively on ±15V dual supply with 1.8kOhm on-state resistance. These parts are suitable only for applications where single supply operation is not required and higher resistance is acceptable. Operating temperature is limited to 0°C to 75°C.
All substitute parts maintain ROHS3 compliance and MSL-1 rating, ensuring environmental and moisture handling compatibility with the original PS398CSEEX.
Frequently Asked Questions (FAQ)
Q: Can MAX398CSE+ directly replace PS398CSEEX in all applications? A: MAX398CSE+ provides identical electrical specifications (100Ohm on-state resistance, 6Ohm channel matching, 3V to 15V single supply, ±3V to ±8V dual supply). The primary difference is package size: PS398CSEEX uses 0.295" width 16-SOIC, while MAX398CSE+ uses 0.154" width 16-SOIC. PCB layout modifications are required. Operating temperature range differs: MAX398CSE+ is rated 0°C to 70°C versus PS398CSEEX specifications.
Q: What is the minimum on-state resistance acceptable for substitution? A: Substitution depends on circuit requirements. Direct electrical equivalents maintain 100Ohm on-state resistance. Applications tolerating higher resistance can use 200Ohm (ADG1208 series), 210Ohm (ADG1308), 350Ohm (MAX354), or 380Ohm (DG508) alternatives. Higher resistance increases signal attenuation and may affect bandwidth.
Q: Are all substitute parts RoHS3 compliant? A: All listed substitute parts are ROHS3 compliant. Moisture sensitivity levels are MSL-1 (unlimited) for most parts, except HI9P0548-5Z and HI9P0548-5Z96, which are MSL-3 (168 hours). MSL-3 parts require controlled storage and handling procedures.
Q: Which substitute part offers the fastest switching performance? A: ADG1208YRZ and ADG1208YRZ-REEL7 provide the fastest switching times at 95ns (Ton) and 100ns (Toff), compared to PS398CSEEX at 150ns for both parameters. This improvement comes with doubled on-state resistance (200Ohm).
Q: Can HI9P0548-5Z operate on single supply voltage? A: No. HI9P0548-5Z and HI9P0548-5Z96 are designed exclusively for dual supply operation (±15V). Single supply operation is not supported. These parts are suitable only for applications with dual supply availability.
Q: What is the difference between ADG1208YRZ and ADG1208YRZ-REEL7? A: Both parts are electrically identical with 200Ohm on-state resistance and identical performance specifications. The difference is packaging: ADG1208YRZ is supplied in tube packaging, while ADG1208YRZ-REEL7 is supplied in cut tape and digi-reel format. Selection depends on procurement and assembly requirements.
Q: Does package size affect electrical performance? A: Package size (0.154" vs. 0.295" width 16-SOIC) does not affect electrical performance. The difference is physical footprint on the PCB. Smaller packages (0.154") reduce board space but require PCB layout redesign. Larger packages (0.295") maintain original footprint compatibility.
Q: Which substitute part has the lowest charge injection? A: ADG1208YRZ and ADG1208YRZ-REEL7 provide the lowest charge injection at 0.4pC, compared to PS398CSEEX at 2.8pC. Lower charge injection reduces signal distortion in precision analog applications.
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