MAX393CPE+ Equivalent & Substitute Parts

Part Overview

The MAX393CPE+ is a 4-circuit IC switch manufactured by Analog Devices Inc./Maxim Integrated, designed for SPST (Single Pole Single Throw) NO/NC switching applications. This active product operates across single supply voltages of 3V to 15V or dual supply voltages of ±3V to ±8V, with a maximum on-state resistance of 35Ohm and fast switching times of 130ns (Ton) and 75ns (Toff). The component is packaged in a 16-DIP through-hole configuration and is ROHS3 compliant with MSL 1 rating. Equivalent and substitute parts are identified based on matching circuit topology, package type, and electrical performance parameters within acceptable tolerance ranges.

Key Parameters

Parameter	Value
Switch Circuit Type	SPST - NO/NC
Number of Circuits	4
Multiplexer/Demultiplexer Circuit	1:1
On-State Resistance (Max)	35Ohm
Channel-to-Channel Matching (ΔRon)	300mOhm
Voltage - Supply, Single (V+)	3V ~ 15V
Voltage - Supply, Dual (V±)	±3V ~ 8V
Switch Time (Ton, Toff) (Max)	130ns, 75ns
Charge Injection	2pC
Channel Capacitance (CS(off), CD(off))	9pF, 9pF
Current - Leakage (IS(off)) (Max)	100pA
Crosstalk	-85dB @ 1MHz
Operating Temperature	0°C ~ 70°C (TA)
Package / Case	16-DIP (0.300", 7.62mm)
Mounting Type	Through Hole
RoHS Status	ROHS3 Compliant
MSL Rating	1 (Unlimited)

Substitute Part Grouping Explanation

Substitution eligibility for the MAX393CPE+ is determined by the following critical parameters:

Primary Matching Criteria:

Switch circuit topology: SPST - NO/NC configuration
Circuit count: 4 circuits
Multiplexer/demultiplexer ratio: 1:1
Package type: 16-DIP through-hole
Pin count and physical dimensions: 16-PDIP (0.300", 7.62mm)

Secondary Electrical Compatibility Criteria:

On-state resistance within acceptable application range
Supply voltage compatibility (single or dual supply operation)
Switching speed performance (Ton, Toff parameters)
Leakage current specifications
Operating temperature range coverage

Parts are grouped as direct equivalents when all primary criteria match and electrical parameters fall within acceptable substitution tolerances. Substitute parts may exhibit variations in on-state resistance, charge injection, and crosstalk performance while maintaining functional compatibility within the 16-DIP package footprint.

Parameter Comparison

Parameter	MAX393CPE+	ALD4213PCL	LTC203CN#PBF
Manufacturer	Analog Devices Inc./Maxim Integrated	Advanced Linear Devices Inc.	Linear Technology
Switch Circuit	SPST - NO/NC	SPST - NO/NC	SPST - NO/NC
Number of Circuits	4	4	4
Multiplexer/Demultiplexer Circuit	1:1	1:1	1:1
On-State Resistance (Max)	35Ohm	135Ohm	125Ohm
Channel-to-Channel Matching (ΔRon)	300mOhm	2.7Ohm	6.25Ohm
Voltage - Supply, Single (V+)	3V ~ 15V	3V ~ 12V	5V
Voltage - Supply, Dual (V±)	±3V ~ 8V	±1.5V ~ 6V	±15V
Switch Time Ton (Max)	130ns	130ns	400ns
Switch Time Toff (Max)	75ns	130ns	300ns
Charge Injection	2pC	0.2pC	8pC
Channel Capacitance CS(off)	9pF	3pF	5pF
Channel Capacitance CD(off)	9pF	3pF	12pF
Current - Leakage (IS(off)) (Max)	100pA	100pA	5nA
Crosstalk	-85dB @ 1MHz	-90dB @ 100kHz	-90dB @ 100kHz
Operating Temperature	0°C ~ 70°C	-40°C ~ 85°C	0°C ~ 70°C
Package / Case	16-DIP (0.300", 7.62mm)	16-DIP (0.300", 7.62mm)	16-DIP (0.300", 7.62mm)
Mounting Type	Through Hole	Through Hole	Through Hole
RoHS Status	ROHS3 Compliant	ROHS3 Compliant	Not specified
MSL Rating	1 (Unlimited)	1 (Unlimited)	Not specified

Engineering Selection Recommendations

MAX393CPE+ (Direct Equivalent) The MAX393CPE+ serves as the primary reference part. This Analog Devices component is active, ROHS3 compliant, and carries MSL 1 rating. It provides the lowest on-state resistance (35Ohm) and fastest switching times among the three parts, making it suitable for applications requiring minimal signal distortion and rapid switching response.

ALD4213PCL (Manufacturer-Recommended Substitute) The ALD4213PCL from Advanced Linear Devices Inc. is an active product with ROHS3 compliance and MSL 1 rating. It maintains identical circuit topology and package configuration. The ALD4213PCL exhibits higher on-state resistance (135Ohm) and extended operating temperature range (-40°C to 85°C), making it suitable for industrial temperature environments. The lower charge injection (0.2pC) and reduced channel capacitance (3pF) provide improved performance in precision analog switching applications. Supply voltage range is narrower (3V ~ 12V single, ±1.5V ~ 6V dual).

LTC203CN#PBF (Alternative Substitute) The LTC203CN#PBF from Linear Technology is an active product with specified ECCN and HTSUS codes. This part features higher on-state resistance (125Ohm) and slower switching times (400ns Ton, 300ns Toff). The dual supply voltage range extends to ±15V, accommodating applications requiring higher voltage operation. Higher leakage current (5nA) and charge injection (8pC) indicate this part is optimized for micropower applications rather than precision analog switching.

All three parts maintain SPST - NO/NC topology, 4-circuit configuration, and 16-DIP through-hole packaging, ensuring mechanical and functional compatibility within the specified parameter ranges.

Frequently Asked Questions (FAQ)

Q: Can the ALD4213PCL directly replace the MAX393CPE+ in existing designs? A: The ALD4213PCL maintains identical circuit topology, pin count, and 16-DIP package configuration. However, the higher on-state resistance (135Ohm vs. 35Ohm) and different switching time characteristics (130ns vs. 75ns Toff) require circuit-level evaluation. Applications sensitive to signal attenuation or requiring fast switching response may require design modifications.

Q: What are the key differences between the LTC203CN#PBF and MAX393CPE+? A: The LTC203CN#PBF is optimized for micropower operation with higher leakage current (5nA) and charge injection (8pC). Switching times are significantly slower (400ns Ton, 300ns Toff). The part supports extended dual supply voltage (±15V) but operates at fixed single supply (5V). Applications requiring low-power operation with relaxed switching speed requirements are suitable candidates.

Q: Are all three parts pin-compatible? A: Yes. All three parts use 16-DIP through-hole packaging with 0.300" (7.62mm) spacing. Pin assignments for SPST - NO/NC 4-circuit configuration are identical, enabling direct socket substitution. Physical board layout modifications are not required.

Q: Which substitute part offers the best performance match to MAX393CPE+? A: The ALD4213PCL provides the closest electrical performance match, with identical switching times (130ns Ton) and comparable leakage current (100pA). The extended operating temperature range (-40°C to 85°C) provides additional environmental coverage beyond the MAX393CPE+ specification (0°C to 70°C).

Q: What compliance certifications apply to all substitute parts? A: All three parts carry ROHS3 compliance and MSL 1 (Unlimited) moisture sensitivity rating. REACH status is unaffected for MAX393CPE+ and ALD4213PCL. ECCN classification is EAR99 for all parts. HTSUS code 8542.39.0001 applies to all components.

Q: Can the LTC203CN#PBF be used in high-speed switching applications? A: The LTC203CN#PBF is not recommended for high-speed applications. Maximum switching times of 400ns (Ton) and 300ns (Toff) are significantly slower than MAX393CPE+ (130ns, 75ns). Applications requiring switching frequencies above 1MHz should use MAX393CPE+ or ALD4213PCL.

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