TS3A5018RGYRG4 Equivalent & Substitute Parts

Part Overview

The TS3A5018RGYRG4 is a 4-circuit SPDT analog switch IC manufactured by Texas Instruments, designed for signal routing and multiplexing applications in low-voltage systems. This component features a 2:1 multiplexer/demultiplexer configuration with 10Ohm on-state resistance per channel and operates across a 1.65V to 3.6V supply range. The part is currently discontinued at DiGi Electronics, making identification of equivalent alternatives essential for ongoing design support and production continuity. Substitute parts must maintain identical electrical performance characteristics and package specifications to ensure direct compatibility in existing circuit designs.

Key Parameters

Parameter	Value
Switch Circuit Configuration	SPDT (Single Pole Double Throw)
Multiplexer/Demultiplexer Circuit	2:1
Number of Circuits	4
On-State Resistance (Max)	10Ohm
Channel-to-Channel Matching (ΔRon)	300mOhm
Supply Voltage Range (V+)	1.65V ~ 3.6V
Switch Time - Ton (Max)	8ns
Switch Time - Toff (Max)	6.5ns
-3dB Bandwidth	300MHz
Charge Injection	2pC
Channel Capacitance (CS(off), CD(off))	4.5pF, 9pF
Leakage Current (IS(off)) Max	100nA
Crosstalk	-48dB @ 10MHz
Operating Temperature Range	-40°C ~ 85°C
Package Type	16-VQFN (4x4.6) Exposed Pad
Mounting Type	Surface Mount
RoHS Status	ROHS3 Compliant
Moisture Sensitivity Level (MSL)	2 (1 Year)

Substitute Part Grouping Explanation

Substitution eligibility for the TS3A5018RGYRG4 is determined by strict equivalence across all critical electrical and mechanical parameters. The following parameters define the substitution criteria:

Electrical Parameters (Must Match Exactly):

Switch circuit configuration: SPDT
Multiplexer/demultiplexer circuit: 2:1
Number of circuits: 4
On-state resistance: 10Ohm maximum
Channel-to-channel matching: 300mOhm
Supply voltage range: 1.65V ~ 3.6V
Switch timing: 8ns (Ton), 6.5ns (Toff)
Bandwidth: 300MHz
Charge injection: 2pC
Channel capacitance: 4.5pF (CS(off)), 9pF (CD(off))
Leakage current: 100nA maximum
Crosstalk: -48dB @ 10MHz
Operating temperature: -40°C ~ 85°C

Mechanical Parameters (Must Match Exactly):

Package type: 16-VQFN (4x4.6) with exposed pad
Mounting type: Surface mount

Compliance Parameters:

RoHS3 compliance required
MSL rating: 2 (1 Year)

The TS3A5018RGYR meets all substitution criteria and is classified as a parametric equivalent.

Parameter Comparison

Parameter	TS3A5018RGYRG4 (Main Part)	TS3A5018RGYR (Substitute)	Match Status
Manufacturer	Texas Instruments	Texas Instruments	Identical
Switch Circuit	SPDT	SPDT	Identical
Multiplexer/Demultiplexer Circuit	2:1	2:1	Identical
Number of Circuits	4	4	Identical
On-State Resistance (Max)	10Ohm	10Ohm	Identical
Channel-to-Channel Matching (ΔRon)	300mOhm	300mOhm	Identical
Supply Voltage (V+)	1.65V ~ 3.6V	1.65V ~ 3.6V	Identical
Switch Time - Ton (Max)	8ns	8ns	Identical
Switch Time - Toff (Max)	6.5ns	6.5ns	Identical
-3dB Bandwidth	300MHz	300MHz	Identical
Charge Injection	2pC	2pC	Identical
Channel Capacitance (CS(off), CD(off))	4.5pF, 9pF	4.5pF, 9pF	Identical
Leakage Current (IS(off)) Max	100nA	100nA	Identical
Crosstalk	-48dB @ 10MHz	-48dB @ 10MHz	Identical
Operating Temperature	-40°C ~ 85°C	-40°C ~ 85°C	Identical
Package / Case	16-VQFN (4x4.6) Exposed Pad	16-VQFN (4x4.6) Exposed Pad	Identical
Mounting Type	Surface Mount	Surface Mount	Identical
RoHS Status	ROHS3 Compliant	ROHS3 Compliant	Identical
Moisture Sensitivity Level (MSL)	2 (1 Year)	2 (1 Year)	Identical
Product Status	Discontinued at DiGi Electronics	Active	Substitute Available

Engineering Selection Recommendations

The TS3A5018RGYR is a direct parametric equivalent to the TS3A5018RGYRG4 and is suitable for component substitution in all applications where the original part was specified. Both parts are manufactured by Texas Instruments and share identical electrical performance characteristics, package specifications, and compliance certifications.

The primary distinction between these parts is product status: the TS3A5018RGYRG4 is discontinued at DiGi Electronics, while the TS3A5018RGYR maintains active status with significantly higher inventory availability (35,100 pieces in stock versus 2,128 pieces for the original part). Both parts maintain ROHS3 compliance and identical MSL ratings, ensuring equivalent environmental and regulatory compliance.

For new designs or production continuity, the TS3A5018RGYR is the recommended selection due to its active product status and superior supply chain availability.

Frequently Asked Questions (FAQ)

Q: Can the TS3A5018RGYR be used as a direct replacement for the TS3A5018RGYRG4?

A: Yes. Both parts are parametric equivalents with identical electrical specifications, on-state resistance, switching characteristics, bandwidth, and package configuration. No circuit modifications are required for substitution.

Q: Are there differences in packaging between these parts?

A: No. Both the TS3A5018RGYRG4 and TS3A5018RGYR use the 16-VQFN (4x4.6) package with exposed pad in surface mount configuration. PCB layout and assembly processes remain unchanged.

Q: What is the difference between the TS3A5018RGYRG4 and TS3A5018RGYR part numbers?

A: The part numbers differ only in their suffix designations, which typically indicate packaging format or distribution channel. The TS3A5018RGYRG4 was supplied in Digi-Reel format and is now discontinued. The TS3A5018RGYR is supplied in Cut Tape (CT) and Digi-Reel format and maintains active production status.

Q: Are compliance certifications identical between these parts?

A: Yes. Both parts are ROHS3 compliant, carry identical MSL ratings of 2 (1 Year), and share the same REACH and ECCN classifications.

Q: What supply voltage range does this switch IC support?

A: Both parts operate across a single supply voltage range of 1.65V to 3.6V, making them suitable for low-voltage applications including battery-powered and portable devices.

Q: What is the maximum on-state resistance for each channel?

A: The maximum on-state resistance is 10Ohm per channel, with channel-to-channel matching of 300mOhm, ensuring consistent signal routing performance across all four circuits.

Q: What switching speed can be expected from this IC?

A: Maximum switch-on time (Ton) is 8 nanoseconds and maximum switch-off time (Toff) is 6.5 nanoseconds, supporting applications requiring fast signal switching up to 300MHz bandwidth.

Request Quote (Ships tomorrow)

Part Number

Quantity

Company

Contact Name

E-mail

Message