MAX399ESE Equivalent & Substitute Parts

Part Overview

The MAX399ESE is a 2-circuit SP4T (Single Pole, 4-Throw) analog switch IC manufactured by Analog Devices Inc./Maxim Integrated, housed in a 16-SOIC surface mount package. This component functions as a precision multiplexer/demultiplexer with 100Ohm on-state resistance and operates across single supply (3V to 15V) or dual supply (±3V to ±8V) configurations. The MAX399ESE is classified as obsolete, making equivalent and substitute parts necessary for new designs and ongoing production requirements. Suitable alternatives maintain the same functional architecture while offering improved specifications, enhanced compliance status, or better availability.

Key Parameters

Parameter	Value
Switch Circuit Configuration	SP4T (Single Pole, 4-Throw)
Multiplexer/Demultiplexer Circuit	4:1
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	2pC
Channel Capacitance (CS(off), CD(off))	11pF, 20pF
Current - Leakage (IS(off)) (Max)	100pA
Crosstalk	-92dB @ 100kHz
Operating Temperature	-40°C ~ 85°C (TA)
Package / Case	16-SOIC (0.154", 3.90mm Width)
Mounting Type	Surface Mount
Product Status	Obsolete

Substitute Part Grouping Explanation

Substitution eligibility for the MAX399ESE is determined by strict adherence to the following electrical and mechanical parameters:

Primary Substitution Criteria:

Switch circuit configuration: SP4T
Multiplexer/demultiplexer circuit: 4:1
Number of circuits: 2
Package / Case: 16-SOIC (0.154", 3.90mm Width)
Mounting type: Surface Mount

Secondary Compatibility Parameters:

On-state resistance tolerance relative to application requirements
Supply voltage range compatibility (single or dual supply)
Operating temperature range coverage
Switch timing specifications (Ton, Toff)
Leakage current specifications

Substitute parts are grouped into two categories:

Category 1: Direct Equivalent (Identical Specifications) MAX399ESE+ maintains identical electrical specifications to the original MAX399ESE, differing only in product status (Active vs. Obsolete) and RoHS compliance status.

Category 2: Functional Substitutes (Enhanced Specifications) ADG1209YRZ, ADG1209YRZ-REEL7, and ADG1309BRZ-REEL7 provide equivalent functional performance with modified on-state resistance values (200Ohm and 210Ohm respectively). These parts maintain the same circuit topology, package form factor, and core switching characteristics while offering improved performance metrics in specific parameters.

Parameter Comparison

Parameter	MAX399ESE	MAX399ESE+	ADG1209YRZ	ADG1209YRZ-REEL7	ADG1309BRZ-REEL7
Switch Circuit	SP4T	SP4T	SP4T	SP4T	SP4T
Multiplexer/Demultiplexer	4:1	4:1	4:1	4:1	4:1
Number of Circuits	2	2	2	2	2
On-State Resistance (Max)	100Ohm	100Ohm	200Ohm	200Ohm	210Ohm
Channel-to-Channel Matching (ΔRon)	6Ohm (Max)	6Ohm (Max)	4.6Ohm	4.6Ohm	5Ohm
Voltage - Supply, Single (V+)	3V ~ 15V	3V ~ 15V	5V ~ 16.5V	5V ~ 16.5V	5V ~ 16.5V
Voltage - Supply, Dual (V±)	±3V ~ ±8V	±3V ~ ±8V	±5V ~ ±16.5V	±5V ~ ±16.5V	±5V ~ ±16.5V
Switch Time Ton (Max)	150ns	150ns	95ns	95ns	100ns
Switch Time Toff (Max)	150ns	150ns	100ns	100ns	100ns
Charge Injection	2pC	2pC	0.4pC	0.4pC	2pC
Current - Leakage (IS(off)) (Max)	100pA	100pA	100pA	100pA	1nA
Operating Temperature	-40°C ~ 85°C	-40°C ~ 85°C	-40°C ~ 125°C	-40°C ~ 125°C	-40°C ~ 105°C
Package / Case	16-SOIC	16-SOIC	16-SOIC	16-SOIC	16-SOIC
Product Status	Obsolete	Active	Active	Active	Active
RoHS Status	RoHS non-compliant	ROHS3 Compliant	ROHS3 Compliant	ROHS3 Compliant	ROHS3 Compliant

Engineering Selection Recommendations

For Direct Replacement (Identical Specifications): MAX399ESE+ is the primary choice when exact electrical specifications must be maintained. This part is functionally identical to MAX399ESE but carries Active product status and ROHS3 compliance, eliminating obsolescence concerns while preserving all original electrical characteristics. Inventory availability is significantly higher (8252 pcs vs. 2700 pcs).

For Enhanced Performance Applications: ADG1209YRZ and ADG1209YRZ-REEL7 are suitable when the application can tolerate increased on-state resistance (200Ohm vs. 100Ohm). These parts offer improved performance in charge injection (0.4pC vs. 2pC), faster switching times (95ns/100ns vs. 150ns), and extended operating temperature range (-40°C to 125°C vs. -40°C to 85°C). Both variants are ROHS3 compliant and Active status. ADG1209YRZ-REEL7 provides superior inventory availability (42165 pcs) with Cut Tape & Digi-Reel packaging.

For Moderate Resistance Applications: ADG1309BRZ-REEL7 bridges the specification gap with 210Ohm on-state resistance, offering a middle ground between MAX399ESE (100Ohm) and ADG1209 variants (200Ohm). This part maintains 2pC charge injection matching the original MAX399ESE while providing faster switching (100ns) and extended temperature range (-40°C to 105°C). ROHS3 compliance and Active status are confirmed.

Compliance Considerations: All substitute parts carry ROHS3 compliance and Active product status, eliminating regulatory and supply chain risks associated with the obsolete, non-compliant MAX399ESE.

Frequently Asked Questions (FAQ)

Q: Can MAX399ESE+ be used as a direct drop-in replacement for MAX399ESE? A: Yes. MAX399ESE+ maintains identical electrical specifications, package form factor (16-SOIC), and pin configuration. The only differences are product status (Active vs. Obsolete) and RoHS compliance (ROHS3 vs. non-compliant). No circuit modifications are required.

Q: What is the primary difference between MAX399ESE+ and the ADG1209 series? A: The primary difference is on-state resistance: MAX399ESE+ specifies 100Ohm maximum, while ADG1209YRZ and ADG1209YRZ-REEL7 specify 200Ohm maximum. ADG1209 variants also offer improved charge injection (0.4pC vs. 2pC) and faster switching times. Substitution is valid only if the application circuit can accommodate the higher resistance value.

Q: Are ADG1209YRZ and ADG1209YRZ-REEL7 electrically identical? A: Yes, electrically identical. The difference is packaging: ADG1209YRZ is supplied in Tube packaging, while ADG1209YRZ-REEL7 is supplied in Cut Tape & Digi-Reel format. ADG1209YRZ-REEL7 offers significantly higher inventory availability (42165 pcs vs. 6113 pcs).

Q: Can I use ADG1309BRZ-REEL7 if my circuit requires 100Ohm on-state resistance? A: No. ADG1309BRZ-REEL7 specifies 210Ohm maximum on-state resistance. Use only if your circuit design can tolerate this resistance value. Verify signal integrity and impedance matching requirements before substitution.

Q: What supply voltage ranges are supported by each substitute? A: MAX399ESE and MAX399ESE+ support 3V to 15V single supply or ±3V to ±8V dual supply. ADG1209YRZ, ADG1209YRZ-REEL7, and ADG1309BRZ-REEL7 require higher minimum voltages: 5V to 16.5V single supply or ±5V to ±16.5V dual supply. Verify your circuit operates within the specified range before substitution.

Q: Are all substitute parts RoHS compliant? A: Yes. MAX399ESE+ and all ADG variants (ADG1209YRZ, ADG1209YRZ-REEL7, ADG1309BRZ-REEL7) are ROHS3 compliant. The original MAX399ESE is RoHS non-compliant.

Q: Which substitute offers the best inventory availability? A: ADG1209YRZ-REEL7 provides the highest inventory (42165 pcs) with Cut Tape & Digi-Reel packaging, suitable for high-volume production. MAX399ESE+ offers 8252 pcs in Tube packaging for moderate-volume requirements.

Q: Can I substitute MAX399ESE with ADG1309BRZ-REEL7 in a low-temperature application? A: Yes, if your minimum operating temperature is -40°C or higher. ADG1309BRZ-REEL7 supports -40°C to 105°C, which covers the original MAX399ESE range (-40°C to 85°C). However, verify on-state resistance (210Ohm) compatibility with your circuit design.

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