MAX4630ESD+ Equivalent & Substitute Parts

Part Overview

The MAX4630ESD+ is a 4-circuit SPST-NC (Single Pole Single Throw - Normally Closed) analog switch IC manufactured by Analog Devices Inc./Maxim Integrated. This component functions as a precision electronic switch with 70Ohm on-state resistance, designed for signal routing and multiplexing applications in analog and mixed-signal systems. The device is currently in active production status with 718 units available in new original inventory. Given the critical role of analog switches in circuit design, identifying equivalent and substitute parts ensures design flexibility, supply chain continuity, and application compatibility.

Key Parameters

Parameter	Value
Manufacturer Part Number	MAX4630ESD+
Manufacturer	Analog Devices Inc./Maxim Integrated
Category	Interface
Switch Circuit Type	SPST - NC
Number of Circuits	4
On-State Resistance (Max)	70Ohm
Channel-to-Channel Matching (ΔRon)	500mOhm
Voltage - Supply, Single (V+)	2V ~ 12V
Switch Time (Ton, Toff) (Max)	150ns, 80ns
-3dB Bandwidth	300MHz
Charge Injection	5pC
Channel Capacitance (CS(off), CD(off))	20pF, 12pF
Current - Leakage (IS(off)) (Max)	500pA
Crosstalk	-90dB @ 1MHz
Operating Temperature	-40°C ~ 85°C (TA)
Package / Case	14-SOIC (0.154", 3.90mm Width)
Mounting Type	Surface Mount
RoHS Status	ROHS3 Compliant
Moisture Sensitivity Level (MSL)	1 (Unlimited)
REACH Status	REACH Unaffected
Product Status	Active

Substitute Part Grouping Explanation

Substitution eligibility for the MAX4630ESD+ is determined by strict alignment with the following critical parameters:

Primary Substitution Criteria:

Switch circuit topology: SPST - NC configuration
Circuit count: 4 independent circuits
On-state resistance: 70Ohm maximum
Channel-to-channel matching: 500mOhm maximum
Supply voltage range: 2V ~ 12V single supply
Package type: 14-SOIC surface mount
Operating temperature range: -40°C ~ 85°C

Secondary Compatibility Parameters:

Switch timing characteristics (Ton, Toff)
Bandwidth performance (-3dB Bandwidth)
Charge injection specifications
Channel capacitance values
Leakage current specifications
Crosstalk performance

Only components meeting all primary criteria and maintaining compatibility within secondary parameters qualify as direct substitutes. The MAX4630ESD+ represents the current specification baseline for this application class.

Parameter Comparison

Parameter	MAX4630ESD+ (Main Part)	MAX4630ESD+ (Substitute)
Manufacturer Part Number	MAX4630ESD+	MAX4630ESD+
Manufacturer	Analog Devices Inc./Maxim Integrated	Analog Devices Inc./Maxim Integrated
Switch Circuit Type	SPST - NC	SPST - NC
Number of Circuits	4	4
On-State Resistance (Max)	70Ohm	70Ohm
Channel-to-Channel Matching (ΔRon)	500mOhm	500mOhm
Voltage - Supply, Single (V+)	2V ~ 12V	2V ~ 12V
Switch Time (Ton, Toff) (Max)	150ns, 80ns	150ns, 80ns
-3dB Bandwidth	300MHz	300MHz
Charge Injection	5pC	5pC
Channel Capacitance (CS(off), CD(off))	20pF, 12pF	20pF, 12pF
Current - Leakage (IS(off)) (Max)	500pA	500pA
Crosstalk	-90dB @ 1MHz	-90dB @ 1MHz
Operating Temperature	-40°C ~ 85°C (TA)	-40°C ~ 85°C (TA)
Package / Case	14-SOIC (0.154", 3.90mm Width)	14-SOIC (0.154", 3.90mm Width)
Mounting Type	Surface Mount	Surface Mount
RoHS Status	ROHS3 Compliant	ROHS3 Compliant
Moisture Sensitivity Level (MSL)	1 (Unlimited)	1 (Unlimited)
REACH Status	REACH Unaffected	REACH Unaffected
Product Status	Active	Active

Engineering Selection Recommendations

The MAX4630ESD+ is the specified component for this application. The part maintains active production status with confirmed inventory availability. All regulatory compliance requirements are satisfied: ROHS3 compliance, REACH unaffected status, and MSL Level 1 rating ensure suitability for standard manufacturing and storage conditions.

For applications requiring the MAX4630ESD+ functionality, the part number MAX4630ESD+ is the direct equivalent, meeting all electrical, mechanical, and environmental specifications without deviation.

Frequently Asked Questions (FAQ)

Q: What defines a valid substitute for the MAX4630ESD+? A: A valid substitute must maintain identical SPST-NC switch topology, 4-circuit configuration, 70Ohm on-state resistance, 500mOhm channel matching, 2V-12V supply range, and 14-SOIC package format. All electrical parameters including bandwidth, charge injection, and crosstalk must align with specified values.

Q: Is the MAX4630ESD+ available in alternative package formats? A: The provided data specifies the 14-SOIC (0.154", 3.90mm Width) surface mount package only. Alternative package options are not included in the current substitution dataset.

Q: What is the significance of the 70Ohm on-state resistance specification? A: The 70Ohm on-state resistance directly impacts signal attenuation, impedance matching, and power dissipation in switching applications. Substitutes must maintain this specification to ensure circuit performance equivalence.

Q: Does the MAX4630ESD+ meet environmental compliance requirements? A: Yes. The component is ROHS3 compliant, REACH unaffected, and carries MSL Level 1 rating, indicating unlimited shelf life under standard storage conditions.

Q: What role does channel-to-channel matching play in substitution decisions? A: The 500mOhm maximum ΔRon specification ensures consistent switching behavior across all four circuits. This parameter is critical for applications requiring matched channel performance and must be maintained in any substitute component.

Q: Is the MAX4630ESD+ suitable for high-frequency applications? A: The 300MHz -3dB bandwidth and 150ns/80ns switch timing support high-frequency signal routing. The 5pC charge injection and -90dB crosstalk @ 1MHz specifications confirm suitability for precision analog switching applications.

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