PS398ESEE Equivalent & Substitute Parts

Part Overview

The PS398ESEE 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 PS398ESEE 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.

Key Parameters

Parameter	PS398ESEE 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)
Product Status	Obsolete
RoHS Status	ROHS3 Compliant
Moisture Sensitivity Level (MSL)	1 (Unlimited)

Substitute Part Grouping Explanation

Substitution for the PS398ESEE is determined by the following critical parameters:

Primary Substitution Criteria:

Multiplexer configuration: 8:1 topology
Package type: 16-SOIC form factor
On-state resistance compatibility: Parts with 100Ohm to 210Ohm maximum resistance maintain functional equivalence for most analog routing applications
Supply voltage compatibility: Single supply 3V to 15V or dual supply ±3V to ±8V operation
Switch time performance: Maximum 150ns to 250ns acceptable for standard signal routing

Secondary Compatibility Factors:

Channel-to-channel matching (ΔRon): 6Ohm to 10Ohm range
Charge injection: 0.4pC to 2.8pC
Leakage current: 50nA to 100pA
Crosstalk performance: -80dB to -92dB @ 1MHz

Substitute parts are grouped into three categories based on on-state resistance: low-resistance equivalents (100Ohm), mid-range alternatives (200Ohm to 210Ohm), and higher-resistance options (380Ohm to 1.8kOhm) for applications where resistance tolerance permits.

Parameter Comparison

Part Number	Manufacturer	On-State Resistance (Max)	ΔRon (Max)	V+ Supply	V± Supply	Ton/Toff (Max)	Charge Injection	IS(off) (Max)	Crosstalk	Operating Temp	Product Status	Package
PS398ESEE	Diodes Inc.	100Ohm	6Ohm	3V ~ 15V	±3V ~ 8V	150ns, 150ns	2.8pC	50nA	-92dB @ 100kHz	-	Obsolete	16-SOIC
MAX398ESE+T	Analog Devices/Maxim	100Ohm	6Ohm	3V ~ 15V	±3V ~ 8V	150ns, 150ns	2pC	100pA	-92dB @ 100kHz	-40°C ~ 85°C	Active	16-SOIC
MAX398ESE+	Analog Devices/Maxim	100Ohm	6Ohm	3V ~ 15V	±3V ~ 8V	150ns, 150ns	2pC	100pA	-92dB @ 100kHz	-40°C ~ 85°C	Active	16-SOIC
MAX398CSE+T	Analog Devices/Maxim	100Ohm	6Ohm	3V ~ 15V	±3V ~ 8V	150ns, 150ns	2pC	100pA	-92dB @ 100kHz	0°C ~ 70°C	Active	16-SOIC
MAX398CSE+	Analog Devices/Maxim	100Ohm	6Ohm	3V ~ 15V	±3V ~ 8V	150ns, 150ns	2pC	100pA	-92dB @ 100kHz	0°C ~ 70°C	Active	16-SOIC
ADG1208YRZ	Analog Devices	200Ohm	4.6Ohm	5V ~ 16.5V	±5V ~ 16.5V	95ns, 100ns	0.4pC	100pA	-85dB @ 1MHz	-40°C ~ 125°C	Active	16-SOIC
ADG1208YRZ-REEL7	Analog Devices	200Ohm	4.6Ohm	5V ~ 16.5V	±5V ~ 16.5V	95ns, 100ns	0.4pC	100pA	-85dB @ 1MHz	-40°C ~ 125°C	Active	16-SOIC
ADG1308BRZ-REEL7	Analog Devices	210Ohm	5Ohm	5V ~ 16.5V	±5V ~ 16.5V	100ns, 100ns	2pC	1nA	-80dB @ 1MHz	-40°C ~ 105°C	Active	16-SOIC
DG508BEY-T1-E3	Vishay Siliconix	380Ohm	10Ohm	12V ~ 44V	±5V ~ 20V	250ns, 240ns	2pC	1nA	-88dB @ 1MHz	-40°C ~ 125°C	Active	16-SOIC
HI9P0548-5Z	Renesas Electronics	1.8kOhm	126Ohm	-	±15V	300ns, 300ns (Typ)	-	30pA (Typ)	-	0°C ~ 75°C	Active	16-SOIC
HI9P0548-5Z96	Renesas Electronics	1.8kOhm	126Ohm	-	±15V	300ns, 300ns (Typ)	-	30pA (Typ)	-	0°C ~ 75°C	Active	16-SOIC

Engineering Selection Recommendations

Direct Equivalents (100Ohm On-State Resistance): MAX398ESE+T, MAX398ESE+, MAX398CSE+T, and MAX398CSE+ are pin-compatible direct replacements with identical electrical characteristics to the PS398ESEE. All are ROHS3 compliant and MSL 1 rated. MAX398ESE variants support extended operating temperature range (-40°C to 85°C) compared to MAX398CSE variants (0°C to 70°C). Both packaging options (tube and tape & reel) are available with active product status and substantial inventory.

Mid-Range Alternatives (200Ohm to 210Ohm On-State Resistance): ADG1208YRZ, ADG1208YRZ-REEL7, and ADG1308BRZ-REEL7 offer improved switching performance (95ns to 100ns) and extended temperature ranges (-40°C to 125°C for ADG1208 series, -40°C to 105°C for ADG1308). These parts accept higher supply voltages (5V to 16.5V single supply, ±5V to ±16.5V dual supply) and feature lower charge injection. On-state resistance increase from 100Ohm to 200Ohm or 210Ohm is acceptable for applications where signal attenuation and impedance matching permit higher resistance values.

Higher-Resistance Alternatives (380Ohm to 1.8kOhm): DG508BEY-T1-E3 and HI9P0548-5Z series are suitable only for applications where on-state resistance tolerance is significantly relaxed. DG508BEY-T1-E3 operates at 12V to 44V single supply with extended temperature support. HI9P0548-5Z operates exclusively on ±15V dual supply with narrower temperature range (0°C to 75°C) and MSL 3 rating. These options are not recommended as primary substitutes due to substantial resistance increase and supply voltage incompatibility with the original PS398ESEE specification.

Frequently Asked Questions (FAQ)

Q: Can MAX398ESE+T directly replace PS398ESEE? A: Yes. MAX398ESE+T is a direct functional equivalent with identical on-state resistance (100Ohm), channel matching (6Ohm), supply voltage range (3V to 15V single, ±3V to ±8V dual), and switching times (150ns). Both are 16-SOIC packages. The primary difference is extended operating temperature (-40°C to 85°C versus unspecified for PS398ESEE) and active product status.

Q: What is the impact of using ADG1208YRZ instead of PS398ESEE? A: ADG1208YRZ doubles on-state resistance from 100Ohm to 200Ohm, which increases signal attenuation and output impedance. Supply voltage requirements shift to 5V minimum (versus 3V for PS398ESEE). Switching performance improves (95ns versus 150ns). This substitution is valid only if circuit design tolerates higher impedance and minimum 5V supply operation.

Q: Are packaging variants (tube versus tape & reel) electrically equivalent? A: Yes. Packaging differences (tube, cut tape, or tape & reel) do not affect electrical performance. Selection depends on procurement volume and assembly line requirements. MAX398ESE+ (tube) and MAX398ESE+T (tape & reel) are electrically identical.

Q: Why is HI9P0548-5Z not recommended as a primary substitute? A: HI9P0548-5Z operates exclusively on ±15V dual supply with no single supply option, incompatible with PS398ESEE's 3V to 15V single supply specification. On-state resistance of 1.8kOhm is 18 times higher than the original part, introducing significant signal attenuation. Operating temperature range (0°C to 75°C) is narrower, and MSL 3 rating requires controlled moisture handling.

Q: What compliance certifications apply to substitute parts? A: All substitute parts listed are ROHS3 compliant and REACH unaffected. Moisture sensitivity levels range from MSL 1 (unlimited shelf life) for MAX398 and ADG1208 series to MSL 3 (168 hours) for HI9P0548 series. EAR99 export classification applies uniformly across all parts.

Q: Can I use DG508BEY-T1-E3 in a 3V to 15V single supply circuit? A: No. DG508BEY-T1-E3 requires minimum 12V single supply operation, exceeding the PS398ESEE's 3V minimum. Dual supply operation (±5V to ±20V) is available but incompatible with single supply designs. This part is not suitable for low-voltage applications.

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