PS399CSEE Equivalent & Substitute Parts

Part Overview

The PS399CSEE is a 2-circuit SP4T analog switch IC manufactured by Diodes Incorporated, featuring 100Ohm on-state resistance and dual supply voltage capability (±3V to ±8V). This component is classified as obsolete, making equivalent substitutes necessary for new designs and ongoing production requirements. The 16-SOIC surface mount package and interface switching functionality define its application scope in signal routing and multiplexing circuits.

Key Parameters

Parameter	PS399CSEE Value
Switch Circuit Configuration	SP4T (Single Pole, 4-Throw)
Number of Circuits	2
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 PS399CSEE is determined by strict electrical and mechanical compatibility criteria:

Primary Substitution Criteria:

Switch circuit configuration: SP4T with 2 circuits
On-state resistance: 100Ohm maximum (allows tolerance variation within specification)
Channel-to-channel matching: 6Ohm maximum
Supply voltage range: 3V ~ 15V (single) and ±3V ~ 8V (dual)
Package type: 16-SOIC surface mount
Crosstalk performance: -92dB @ 100kHz or better

Substitute Categories:

Category A - Direct Electrical Equivalents (100Ohm, 2-Circuit SP4T): MAX399CSE+, MAX399CSE+T, MAX399ESE+, MAX399ESE+T are direct functional equivalents with identical on-state resistance, circuit configuration, and supply voltage specifications. These parts maintain the same electrical performance envelope as the PS399CSEE.

Category B - Higher Resistance Alternatives (200Ohm, 2-Circuit SP4T): ADG1209YRZ and ADG1209YRZ-REEL7 feature doubled on-state resistance (200Ohm) with improved channel-to-channel matching (4.6Ohm). These are suitable for applications where higher resistance is acceptable and improved matching is beneficial. Supply voltage range is expanded to 5V ~ 16.5V.

Category C - Intermediate Resistance Alternative (210Ohm, 2-Circuit SP4T): ADG1309BRZ-REEL7 provides 210Ohm on-state resistance with 5Ohm matching tolerance. This part bridges the resistance gap between 100Ohm and 200Ohm options with expanded supply voltage capability (5V ~ 16.5V).

Category D - Single-Circuit Alternative (400Ohm, 1-Circuit 4:1 Mux): MAX4709ESE+ is a single-circuit 4:1 multiplexer with 400Ohm on-state resistance. This part is not a direct substitute due to reduced circuit count (1 vs. 2) and significantly higher resistance, but may serve applications requiring only one switching channel.

Parameter Comparison

Parameter	PS399CSEE	MAX399CSE+	MAX399ESE+	ADG1209YRZ	ADG1209YRZ-REEL7	ADG1309BRZ-REEL7	MAX4709ESE+
Switch Circuit	SP4T	SP4T	SP4T	SP4T	SP4T	SP4T	4:1 Mux
Number of Circuits	2	2	2	2	2	2	1
On-State Resistance (Max)	100Ohm	100Ohm	100Ohm	200Ohm	200Ohm	210Ohm	400Ohm
Channel-to-Channel Matching (ΔRon)	6Ohm (Max)	6Ohm (Max)	6Ohm (Max)	4.6Ohm	4.6Ohm	5Ohm	15Ohm (Max)
Voltage - Supply, Single (V+)	3V ~ 15V	3V ~ 15V	3V ~ 15V	5V ~ 16.5V	5V ~ 16.5V	5V ~ 16.5V	9V ~ 36V
Voltage - Supply, Dual (V±)	±3V ~ 8V	±3V ~ 8V	±3V ~ 8V	±5V ~ 16.5V	±5V ~ 16.5V	±5V ~ 16.5V	±4.5V ~ 20V
Switch Time (Ton, Toff) (Max)	150ns, 150ns	150ns, 150ns	150ns, 150ns	95ns, 100ns	95ns, 100ns	100ns, 100ns	275ns, 200ns
Charge Injection	2.8pC	2pC	2pC	0.4pC	0.4pC	2pC	—
Crosstalk	-92dB @ 100kHz	-92dB @ 100kHz	-92dB @ 100kHz	-85dB @ 1MHz	-85dB @ 1MHz	-80dB @ 1MHz	-62dB @ 1MHz
Operating Temperature	—	0°C ~ 70°C	-40°C ~ 85°C	-40°C ~ 125°C	-40°C ~ 125°C	-40°C ~ 105°C	-40°C ~ 85°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 (0.154", 3.90mm)	16-SOIC (0.154", 3.90mm)	16-SOIC (0.154", 3.90mm)
Product Status	Obsolete	Active	Active	Active	Active	Active	Active
RoHS Status	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)

Engineering Selection Recommendations

For Direct Replacement (100Ohm, 2-Circuit SP4T):

MAX399ESE+ and MAX399ESE+T are the preferred direct substitutes for PS399CSEE. Both parts maintain identical on-state resistance (100Ohm), circuit configuration (2-circuit SP4T), and supply voltage specifications (3V ~ 15V single, ±3V ~ 8V dual). All parts are ROHS3 compliant with MSL 1 rating. MAX399ESE+ supports extended operating temperature range (-40°C ~ 85°C) compared to MAX399CSE+ (0°C ~ 70°C), providing broader thermal coverage for industrial applications.

MAX399CSE+ and MAX399CSE+T are functionally equivalent alternatives with identical electrical specifications but narrower operating temperature range (0°C ~ 70°C).

For Applications Tolerating Higher Resistance:

ADG1209YRZ and ADG1209YRZ-REEL7 (200Ohm) offer improved channel-to-channel matching (4.6Ohm vs. 6Ohm), faster switching times (95ns/100ns vs. 150ns), and lower charge injection (0.4pC vs. 2.8pC). These parts support expanded supply voltage range (5V ~ 16.5V single, ±5V ~ 16.5V dual) and extended operating temperature (-40°C ~ 125°C). Selection is appropriate when circuit impedance tolerance permits doubled on-state resistance.

ADG1309BRZ-REEL7 (210Ohm) provides intermediate resistance with 5Ohm matching tolerance and similar performance benefits to the ADG1209 series, with operating temperature range of -40°C ~ 105°C.

For Single-Channel Applications:

MAX4709ESE+ is a single-circuit 4:1 multiplexer with 400Ohm on-state resistance. This part is not suitable as a direct PS399CSEE replacement due to reduced circuit count and significantly higher resistance, but may serve applications requiring only one switching channel with higher supply voltage capability (9V ~ 36V single, ±4.5V ~ 20V dual).

All substitute parts maintain ROHS3 compliance and MSL 1 rating, ensuring compatibility with standard manufacturing and storage requirements.

Frequently Asked Questions (FAQ)

Q: Can MAX399ESE+ directly replace PS399CSEE in existing designs?

A: Yes. MAX399ESE+ provides identical on-state resistance (100Ohm), circuit configuration (2-circuit SP4T), and supply voltage specifications (3V ~ 15V single, ±3V ~ 8V dual). Both parts are 16-SOIC surface mount packages with ROHS3 compliance. The primary difference is package width (0.154" vs. 0.295"), which may require PCB layout verification for footprint compatibility. Operating temperature range is -40°C ~ 85°C for MAX399ESE+ versus unspecified for PS399CSEE.

Q: What is the difference between ADG1209YRZ and ADG1209YRZ-REEL7?

A: Both parts are electrically identical with 200Ohm on-state resistance and 2-circuit SP4T configuration. The difference is packaging format: ADG1209YRZ is supplied in Tube packaging, while ADG1209YRZ-REEL7 is supplied in Cut Tape (CT) & Digi-Reel format. Inventory availability differs (6113 pcs vs. 42165 pcs), with ADG1209YRZ-REEL7 offering significantly higher stock levels.

Q: Can I use ADG1209YRZ as a substitute if my circuit requires 100Ohm resistance?

A: ADG1209YRZ features 200Ohm on-state resistance, which is double the PS399CSEE specification. Substitution is only appropriate if circuit design permits this resistance increase. Higher on-state resistance will increase signal attenuation and power dissipation in switching applications. Verify circuit performance with the doubled resistance value before implementation.

Q: What are the package dimension differences between PS399CSEE and substitute parts?

A: PS399CSEE uses 16-SOIC with 0.295" (7.50mm) width. All substitute parts (MAX399 series, ADG1209, ADG1309, MAX4709) use 16-SOIC with 0.154" (3.90mm) width. This represents a narrower package footprint. PCB layout and footprint compatibility must be verified, as the reduced width may affect pad spacing and trace routing.

Q: Are all substitute parts ROHS3 compliant?

A: Yes. All listed substitute parts (MAX399CSE+, MAX399CSE+T, MAX399ESE+, MAX399ESE+T, ADG1209YRZ, ADG1209YRZ-REEL7, ADG1309BRZ-REEL7, MAX4709ESE+) are ROHS3 compliant with MSL 1 (Unlimited) moisture sensitivity rating, matching the PS399CSEE compliance profile.

Q: Why does MAX4709ESE+ have different electrical specifications?

A: MAX4709ESE+ is a single-circuit 4:1 multiplexer, not a 2-circuit SP4T switch. It features 400Ohm on-state resistance and supports higher supply voltages (9V ~ 36V single, ±4.5V ~ 20V dual). This part is not a direct substitute but may serve applications requiring only one switching channel with different voltage and resistance requirements.

Q: What is the significance of charge injection specifications?

A: Charge injection represents the amount of charge transferred to the signal path during switching transitions. Lower values indicate cleaner switching with less signal distortion. PS399CSEE specifies 2.8pC, while MAX399 series specifies 2pC, and ADG1209 series specifies 0.4pC. For precision analog switching applications, lower charge injection improves signal integrity.

Q: Can I mix packaging formats (Tube vs. Tape & Reel) in production?

A: Packaging format selection depends on manufacturing process requirements. Tube packaging (MAX399CSE+, MAX399ESE+) is suitable for manual or semi-automated assembly. Tape & Reel format (MAX399CSE+T, MAX399ESE+T, ADG1209YRZ-REEL7, ADG1309BRZ-REEL7) is optimized for high-speed automated pick-and-place equipment. Mixing formats within a single production run may require process adjustments and is not recommended without manufacturing process validation.

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