MAX4516CSA Equivalent & Substitute Parts

Part Overview

The MAX4516CSA is a single-circuit SPST (Single Pole Single Throw) normally-open IC switch manufactured by Analog Devices Inc./Maxim Integrated. This component operates as a 1:1 multiplexer/demultiplexer with 20Ohm on-state resistance in an 8-SOIC surface mount package. The MAX4516CSA is classified as obsolete, making identification of functionally equivalent alternatives necessary for ongoing design support and procurement.

Key Parameters

Parameter	Value
Switch Circuit Type	SPST - NO (Single Pole Single Throw - Normally Open)
Multiplexer/Demultiplexer Configuration	1:1
Number of Circuits	1
On-State Resistance (Max)	20Ohm
Voltage - Supply, Single (V+)	2V ~ 12V
Voltage - Supply, Dual (V±)	±1V ~ 6V
Switch Time (Ton, Toff) (Max)	100ns, 75ns
Charge Injection	10pC
Channel Capacitance (CS(off), CD(off))	9pF, 9pF
Current - Leakage (IS(off)) (Max)	1nA
Operating Temperature	0°C ~ 70°C (TA)
Package / Case	8-SOIC (0.154", 3.90mm Width)
Mounting Type	Surface Mount
RoHS Status	RoHS non-compliant
Moisture Sensitivity Level (MSL)	1 (Unlimited)

Substitute Part Grouping Explanation

Substitution eligibility for the MAX4516CSA is determined by strict equivalence across the following critical parameters:

Mandatory Matching Parameters:

Switch Circuit: SPST - NO
Multiplexer/Demultiplexer Configuration: 1:1
Number of Circuits: 1
On-State Resistance (Max): 20Ohm
Package / Case: 8-SOIC (0.154", 3.90mm Width)
Mounting Type: Surface Mount

Acceptable Parameter Variations: Substitute parts may exceed the original specifications in the following areas without compromising functional compatibility:

Operating Temperature range (wider ranges acceptable)
Switch Time (faster switching acceptable)
Charge Injection (lower absolute values acceptable)
Channel Capacitance (lower values acceptable)
Current - Leakage (higher values acceptable within design margins)
-3db Bandwidth (presence of specification acceptable)

All identified substitutes maintain identical switch topology, circuit count, on-state resistance, and physical package dimensions as the MAX4516CSA.

Parameter Comparison

Parameter	MAX4516CSA (Main)	MAX4516CSA+ (Analog Devices)	TS12A4516D (Texas Instruments)	TS12A4516DR (Texas Instruments)
Manufacturer	Analog Devices Inc./Maxim Integrated	Analog Devices Inc./Maxim Integrated	Texas Instruments	Texas Instruments
Product Status	Obsolete	Active	Active	Active
Switch Circuit	SPST - NO	SPST - NO	SPST - NO	SPST - NO
Multiplexer/Demultiplexer Configuration	1:1	1:1	1:1	1:1
Number of Circuits	1	1	1	1
On-State Resistance (Max)	20Ohm	20Ohm	20Ohm	20Ohm
Voltage - Supply, Dual (V±)	±1V ~ 6V	±1V ~ 6V	±1V ~ 6V	±1V ~ 6V
Switch Time (Ton, Toff) (Max)	100ns, 75ns	100ns, 75ns	75ns, 45ns	75ns, 45ns
Charge Injection	10pC	10pC	-13pC	-13pC
Channel Capacitance (CS(off), CD(off))	9pF, 9pF	9pF, 9pF	5.5pF, 5.5pF	5.5pF, 5.5pF
Current - Leakage (IS(off)) (Max)	1nA	1nA	5nA	5nA
Operating Temperature	0°C ~ 70°C (TA)	0°C ~ 70°C (TA)	-40°C ~ 85°C (TA)	-40°C ~ 85°C (TA)
Package / Case	8-SOIC (0.154", 3.90mm Width)	8-SOIC (0.154", 3.90mm Width)	8-SOIC (0.154", 3.90mm Width)	8-SOIC (0.154", 3.90mm Width)
Packaging	-	Tube	Tube	Tape & Reel (TR)
RoHS Status	RoHS non-compliant	ROHS3 Compliant	ROHS3 Compliant	ROHS3 Compliant

Engineering Selection Recommendations

MAX4516CSA+ (Analog Devices Inc./Maxim Integrated): This part is the direct successor from the original manufacturer. It maintains identical electrical specifications to the MAX4516CSA while offering active product status and ROHS3 compliance. Selection of this part eliminates obsolescence risk while preserving exact parameter matching. Packaging is supplied in tube format.

TS12A4516D and TS12A4516DR (Texas Instruments): Both Texas Instruments variants provide functionally equivalent switching performance with enhanced specifications. Operating temperature range extends to -40°C ~ 85°C, supporting wider environmental applications. Switch timing is faster (75ns, 45ns vs. 100ns, 75ns), channel capacitance is reduced (5.5pF vs. 9pF), and -3db bandwidth is specified at 464MHz. Charge injection is -13pC. Both parts are ROHS3 compliant and carry active product status. The TS12A4516D is packaged in tube format, while TS12A4516DR is supplied in Tape & Reel format for high-volume applications.

Selection between these alternatives depends on procurement requirements, supply chain preferences, and environmental operating conditions. All three substitutes are electrically compatible with the MAX4516CSA within the specified parameter tolerances.

Frequently Asked Questions (FAQ)

Q: Can MAX4516CSA+ be used as a direct replacement for MAX4516CSA? A: Yes. MAX4516CSA+ maintains identical electrical specifications and package configuration. The primary difference is product status (active vs. obsolete) and RoHS compliance (ROHS3 vs. non-compliant). Pinout and functional behavior are equivalent.

Q: What are the key differences between Analog Devices and Texas Instruments substitutes? A: Both manufacturers provide SPST-NO 1:1 switch configurations with 20Ohm on-state resistance in 8-SOIC packages. Texas Instruments variants offer faster switching times (75ns/45ns vs. 100ns/75ns), lower channel capacitance (5.5pF vs. 9pF), and extended operating temperature range (-40°C to 85°C vs. 0°C to 70°C). Charge injection differs in polarity and magnitude (-13pC vs. 10pC).

Q: Are there packaging differences between TS12A4516D and TS12A4516DR? A: Both parts are electrically identical. TS12A4516D is supplied in tube packaging, while TS12A4516DR is supplied in Tape & Reel format. Selection depends on assembly process requirements and order quantities.

Q: Can I use these substitutes in designs originally specified for MAX4516CSA? A: Yes, provided your design does not depend on the specific operating temperature range of 0°C to 70°C. If your application requires this exact temperature range, MAX4516CSA+ is the appropriate choice. Texas Instruments variants support extended temperature operation and may be used in applications requiring -40°C to 85°C performance.

Q: What is the significance of RoHS compliance differences? A: MAX4516CSA is RoHS non-compliant, while all substitutes are ROHS3 compliant. For new designs or applications subject to RoHS regulations, the compliant alternatives (MAX4516CSA+, TS12A4516D, TS12A4516DR) are required.

Q: How do charge injection specifications affect circuit performance? A: Charge injection represents capacitive coupling during switching transitions. MAX4516CSA and MAX4516CSA+ specify 10pC, while Texas Instruments variants specify -13pC. Lower absolute charge injection values reduce signal distortion in precision analog applications. The polarity difference (-13pC vs. 10pC) indicates different switching characteristics but does not prevent functional substitution.

Q: Are pinout configurations identical across all substitutes? A: Yes. All parts use 8-SOIC (0.154", 3.90mm Width) packages with identical pinout. PCB layout and socket compatibility are maintained across all four part numbers.

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