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PS398CSEE Equivalent & Substitute Parts
Part Overview
The PS398CSEE 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 PS398CSEE operates across single supply voltages of 3V to 15V or dual supplies of ±3V to ±8V, with switching times of 150ns and low charge injection of 2.8pC, making it suitable for precision analog signal routing applications.
Substiute Parts
Key Parameters
| Parameter | PS398CSEE 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) |
| RoHS Status | ROHS3 Compliant |
| Moisture Sensitivity Level (MSL) | 1 (Unlimited) |
Substitute Part Grouping Explanation
Substitution for the PS398CSEE is determined by the following critical parameters:
Primary Compatibility Criteria:
- Multiplexer configuration: 8:1 topology
- Package type: 16-SOIC form factor
- On-state resistance range: Parts with 100Ohm to 380Ohm maximum resistance
- Supply voltage compatibility: Single supply 3V–15V or dual supply ±3V–±8V operation
- Surface mount technology: All substitutes must be surface-mount compatible
Secondary Compatibility Factors:
- Switch time performance: Maximum 250ns acceptable for most applications
- Charge injection: Lower values preferred but not mandatory
- Leakage current: Maximum 1nA acceptable
- Operating temperature range: Must support application requirements
- RoHS3 compliance and MSL rating
Substitutes are grouped into three categories based on on-state resistance characteristics: low-resistance (100Ohm), mid-resistance (200–380Ohm), and high-resistance (1.8kOhm) variants. Selection depends on application impedance requirements and signal integrity constraints.
Parameter Comparison
| Parameter | PS398CSEE | MAX398CSE+ | MAX398CSE+T | MAX398ESE+ | MAX354EWE+ | ADG1208YRZ | ADG1208YRZ-REEL7 | ADG1308BRZ-REEL7 | DG508BEY-T1-E3 | HI9P0548-5Z | HI9P0548-5Z96 |
|---|---|---|---|---|---|---|---|---|---|---|---|
| Manufacturer | Diodes Inc. | Analog Devices/Maxim | Analog Devices/Maxim | Analog Devices/Maxim | Analog Devices/Maxim | Analog Devices | Analog Devices | Analog Devices | Vishay Siliconix | Renesas | Renesas |
| Multiplexer Config | 8:1 | 8:1 | 8:1 | 8:1 | 8:1 | 8:1 | 8:1 | 8:1 | 8:1 | 8:1 | 8:1 |
| On-State Resistance (Max) | 100Ohm | 100Ohm | 100Ohm | 100Ohm | 350Ohm | 200Ohm | 200Ohm | 210Ohm | 380Ohm | 1.8kOhm | 1.8kOhm |
| Channel-to-Channel Matching (ΔRon) | 6Ohm (Max) | 6Ohm (Max) | 6Ohm (Max) | 6Ohm (Max) | 7Ohm | 4.6Ohm | 4.6Ohm | 5Ohm | 10Ohm | 126Ohm | 126Ohm |
| Voltage - Supply, Single (V+) | 3V ~ 15V | 3V ~ 15V | 3V ~ 15V | 3V ~ 15V | 4.5V ~ 36V | 5V ~ 16.5V | 5V ~ 16.5V | 5V ~ 16.5V | 12V ~ 44V | — | — |
| Voltage - Supply, Dual (V±) | ±3V ~ 8V | ±3V ~ 8V | ±3V ~ 8V | ±3V ~ 8V | ±4.5V ~ 18V | ±5V ~ 16.5V | ±5V ~ 16.5V | ±5V ~ 16.5V | ±5V ~ 20V | ±15V | ±15V |
| Switch Time (Ton, Toff) (Max) | 150ns, 150ns | 150ns, 150ns | 150ns, 150ns | 150ns, 150ns | 250ns, 200ns | 95ns, 100ns | 95ns, 100ns | 100ns, 100ns | 250ns, 240ns | 300ns, 300ns (Typ) | 300ns, 300ns (Typ) |
| Charge Injection | 2.8pC | 2pC | 2pC | 2pC | 80pC | 0.4pC | 0.4pC | 2pC | 2pC | — | — |
| Channel Capacitance (CS(off), CD(off)) | 3.6pF, 31pF | 11pF, 40pF | 11pF, 40pF | 11pF, 40pF | 1.6pF, 11pF | 1.5pF, 7pF | 1.5pF, 7pF | 15pF, 20pF | 3pF, 13pF | 10pF, 25pF | 10pF, 25pF |
| Current - Leakage (IS(off)) (Max) | 50nA | 100pA | 100pA | 100pA | 500pA | 100pA | 100pA | 1nA | 1nA | 30pA (Typ) | 30pA (Typ) |
| Crosstalk | -92dB @ 100kHz | -92dB @ 100kHz | -92dB @ 100kHz | -92dB @ 100kHz | -92dB @ 100kHz | -85dB @ 1MHz | -85dB @ 1MHz | -80dB @ 1MHz | -88dB @ 1MHz | — | — |
| Operating Temperature | — | 0°C ~ 70°C | 0°C ~ 70°C | -40°C ~ 85°C | -40°C ~ 85°C | -40°C ~ 125°C | -40°C ~ 125°C | -40°C ~ 105°C | -40°C ~ 125°C | 0°C ~ 75°C | 0°C ~ 75°C |
| Package / Case | 16-SOIC (0.295", 7.50mm) | 16-SOIC (0.154", 3.90mm) | 16-SOIC (0.154", 3.90mm) | 16-SOIC (0.154", 3.90mm) | 16-SOIC (0.295", 7.50mm) | 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) |
| RoHS Status | ROHS3 Compliant | ROHS3 Compliant | ROHS3 Compliant | ROHS3 Compliant | ROHS3 Compliant | ROHS3 Compliant | ROHS3 Compliant | ROHS3 Compliant | ROHS3 Compliant | ROHS3 Compliant | ROHS3 Compliant |
| MSL Rating | 1 (Unlimited) | 1 (Unlimited) | 1 (Unlimited) | 1 (Unlimited) | 1 (Unlimited) | 1 (Unlimited) | 1 (Unlimited) | 1 (Unlimited) | 1 (Unlimited) | 3 (168 Hours) | 3 (168 Hours) |
| Product Status | Obsolete | Active | Active | Active | Active | Active | Active | Active | Active | Active | Active |
Engineering Selection Recommendations
Direct Equivalents (100Ohm On-State Resistance):
MAX398CSE+, MAX398CSE+T, and MAX398ESE+ are direct functional equivalents to the PS398CSEE with identical 100Ohm on-state resistance and matching specifications. All three are active products with ROHS3 compliance and MSL 1 rating. MAX398ESE+ offers the widest operating temperature range (-40°C to 85°C) compared to MAX398CSE+ variants (0°C to 70°C), making it suitable for extended temperature applications. Package width differs: MAX398 variants use 0.154" (3.90mm) width versus PS398CSEE's 0.295" (7.50mm) width, requiring PCB layout verification.
Mid-Resistance Alternatives (200–380Ohm On-State Resistance):
ADG1208YRZ, ADG1208YRZ-REEL7, ADG1308BRZ-REEL7, and DG508BEY-T1-E3 provide higher on-state resistance with improved switching performance and lower charge injection. ADG1208 variants deliver 95–100ns switching times and 0.4pC charge injection, supporting higher frequency applications. DG508BEY-T1-E3 operates at higher supply voltages (12V–44V single supply) with 250MHz bandwidth. These parts are suitable when impedance matching allows higher resistance values.
High-Resistance Alternative (1.8kOhm On-State Resistance):
HI9P0548-5Z and HI9P0548-5Z96 (Renesas) operate exclusively on ±15V dual supplies with 1.8kOhm on-state resistance. These parts are applicable only to dual-supply designs and are not compatible with single-supply applications. MSL 3 rating requires controlled moisture exposure during storage and assembly.
Compliance and Availability:
All substitute parts maintain ROHS3 compliance and EAR99 export classification. Active product status ensures long-term availability and manufacturing support. Inventory levels vary; MAX398 variants and ADG1208 series show higher stock availability.
Frequently Asked Questions (FAQ)
Q: Can MAX398CSE+ directly replace PS398CSEE in existing designs?
A: MAX398CSE+ provides electrical equivalence with identical 100Ohm on-state resistance, matching specifications, and ROHS3 compliance. However, package width differs (0.154" versus 0.295"), requiring PCB footprint verification. Pinout compatibility must be confirmed before substitution.
Q: What is the difference between ADG1208YRZ and ADG1208YRZ-REEL7?
A: Both parts are electrically identical 8:1 multiplexers with 200Ohm on-state resistance. The difference is packaging: ADG1208YRZ ships in tube packaging, while ADG1208YRZ-REEL7 is supplied on cut tape and Digi-Reel. Selection depends on assembly process requirements and volume.
Q: Are HI9P0548-5Z and HI9P0548-5Z96 suitable for single-supply applications?
A: No. Both Renesas parts operate exclusively on ±15V dual supplies and do not support single-supply operation. They are not compatible with PS398CSEE applications requiring 3V–15V single supply or ±3V–±8V dual supply.
Q: How does on-state resistance affect circuit performance?
A: On-state resistance determines signal attenuation and impedance matching. Lower resistance (100Ohm) minimizes signal loss and is preferred for precision analog applications. Higher resistance (200–380Ohm) increases signal attenuation but may be acceptable in high-impedance circuits. Selection depends on application signal levels and bandwidth requirements.
Q: What is the significance of MSL 3 rating for HI9P0548 parts?
A: MSL 3 requires moisture bake-out within 168 hours of package opening. Parts must be stored in dry conditions and processed within specified timeframes. MSL 1 parts (all others) have unlimited shelf life and are preferred for standard manufacturing environments.
Q: Can ADG1308BRZ-REEL7 substitute for PS398CSEE?
A: ADG1308BRZ-REEL7 is functionally compatible as an 8:1 multiplexer with 210Ohm on-state resistance and active product status. It operates across 5V–16.5V single supply and ±5V–±16.5V dual supply, overlapping PS398CSEE voltage ranges. Higher on-state resistance and different package width require application verification.
Q: What is the operating temperature range for PS398CSEE?
A: Operating temperature range is not specified in the provided data. When selecting substitutes, verify that the chosen part's temperature range meets application requirements. MAX398ESE+ (-40°C to 85°C) and ADG1208 variants (-40°C to 125°C) offer extended temperature coverage.
Q: Are all substitute parts available in both tube and tape-and-reel packaging?
A: No. Packaging availability varies by manufacturer and part number. MAX398 variants are available in tube (CSE+, ESE+) and tape-and-reel (CSE+T). ADG1208 offers both tube (YRZ) and tape-and-reel (YRZ-REEL7) options. DG508BEY-T1-E3 and HI9P0548 variants are tape-and-reel only. Verify packaging availability with suppliers before design finalization.
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