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ISL84523IVZ Equivalent & Substitute Parts
Part Overview
The ISL84523IVZ is a 4-circuit SPST-NO/NC analog switch manufactured by Renesas Electronics Corporation, housed in a 16-TSSOP package. This component features 100Ohm on-state resistance and operates across a supply voltage range of 2V to 12V (single supply) or ±2V to ±6V (dual supply). The ISL84523IVZ is classified as obsolete, making equivalent and substitute parts necessary for new designs and ongoing production support.
Substiute Parts
Key Parameters
| Parameter | ISL84523IVZ |
|---|---|
| Manufacturer | Renesas Electronics Corporation |
| Switch Circuit Type | SPST - NO/NC |
| Number of Circuits | 4 |
| Multiplexer/Demultiplexer Circuit | 1:1 |
| On-State Resistance (Max) | 100Ohm |
| Channel-to-Channel Matching (ΔRon) | 1Ohm |
| Voltage - Supply, Single (V+) | 2V ~ 12V |
| Voltage - Supply, Dual (V±) | ±2V ~ 6V |
| Switch Time (Ton, Toff) (Max) | 80ns, 30ns |
| Charge Injection | 1pC |
| Channel Capacitance (CS(off), CD(off)) | 2pF, 2pF |
| Current - Leakage (IS(off)) (Max) | 1nA |
| Crosstalk | -90dB @ 100kHz |
| Operating Temperature | -40°C ~ 85°C (TA) |
| Package / Case | 16-TSSOP (0.173", 4.40mm Width) |
| RoHS Status | ROHS3 Compliant |
| Moisture Sensitivity Level (MSL) | 1 (Unlimited) |
| Product Status | Obsolete |
Substitute Part Grouping Explanation
Substitution for the ISL84523IVZ is determined by the following critical parameters:
Primary Substitution Criteria:
- Switch circuit type: SPST - NO/NC
- Number of circuits: 4
- Multiplexer/Demultiplexer circuit: 1:1
- Package type: 16-TSSOP
- On-state resistance compatibility: 100Ohm nominal or lower
- Supply voltage range: Minimum 2V ~ 12V (single) or ±2V ~ ±6V (dual)
- Operating temperature range: -40°C ~ 85°C or wider
Substitute Parts Identified:
Group 1 - Direct Functional Equivalents (16-TSSOP, 4-Circuit SPST, Active Status):
- ADG1613BRUZ (1.1Ohm, 3.3V ~ 16V single supply, -40°C ~ 125°C)
- ADG1613BRUZ-REEL (1.1Ohm, 3.3V ~ 16V single supply, -40°C ~ 125°C)
- ADG1613BRUZ-REEL7 (1.1Ohm, 3.3V ~ 16V single supply, -40°C ~ 125°C)
- ADG4613BRUZ (5.1Ohm, 3V ~ 12V single supply, -40°C ~ 105°C)
- ADG4613BRUZ-REEL7 (5.1Ohm, 3V ~ 12V single supply, -40°C ~ 105°C)
- ADG5413BRUZ (10Ohm, 9V ~ 40V single supply, -40°C ~ 125°C)
- ADG5413BRUZ-REEL7 (10Ohm, 9V ~ 40V single supply, -40°C ~ 125°C)
- DG456EQ-T1-E3 (5.3Ohm, 12V ~ 36V single supply, -40°C ~ 125°C)
Group 2 - Functional Equivalent with Different Package (16-QSOP, 4-Circuit SPST, Obsolete Status):
- MAX4553CEE+ (120Ohm, 2V ~ 12V single supply, 0°C ~ 70°C)
Group 3 - Different Circuit Configuration (Not Recommended for Direct Substitution):
- ISL84524IUZ (1 circuit SP4T 4:1, different topology)
Parameter Comparison
| Parameter | ISL84523IVZ | ADG1613BRUZ | ADG4613BRUZ | ADG5413BRUZ | DG456EQ-T1-E3 | MAX4553CEE+ |
|---|---|---|---|---|---|---|
| Manufacturer | Renesas | Analog Devices | Analog Devices | Analog Devices | Vishay Siliconix | Analog Devices/Maxim |
| Switch Circuit | SPST - NO/NC | SPST - NO/NC | SPST - NO/NC | SPST - NO/NC | SPST - NO/NC | SPST - NO/NC |
| Number of Circuits | 4 | 4 | 4 | 4 | 4 | 4 |
| Multiplexer/Demultiplexer | 1:1 | 1:1 | 1:1 | 1:1 | 1:1 | 1:1 |
| On-State Resistance (Max) | 100Ohm | 1.1Ohm | 5.1Ohm | 10Ohm | 5.3Ohm | 120Ohm |
| Channel-to-Channel Matching (ΔRon) | 1Ohm | 30mOhm | 50mOhm | 1.5Ohm | 120mOhm | 1Ohm |
| Voltage - Supply, Single (V+) | 2V ~ 12V | 3.3V ~ 16V | 3V ~ 12V | 9V ~ 40V | 12V ~ 36V | 2V ~ 12V |
| Voltage - Supply, Dual (V±) | ±2V ~ 6V | ±3.3V ~ 8V | ±3V ~ 5.5V | ±9V ~ 22V | ±5V ~ 15V | ±2V ~ 6V |
| Switch Time Ton (Max) | 80ns | 156ns | 73ns | 187ns | 118ns | 110ns |
| Switch Time Toff (Max) | 30ns | 87ns | 91ns | 138ns | 97ns | 90ns |
| Charge Injection | 1pC | 170pC | 292pC | 310pC | 22pC | 2pC |
| Channel Capacitance (CS(off), CD(off)) | 2pF, 2pF | 60pF, 60pF | 11.5pF, 11.5pF | 17pF, 17pF | 31pF, 34pF | 4.6pF, 3pF |
| Current - Leakage (IS(off)) (Max) | 1nA | 300pA | 10nA | 250pA | 500pA | 1nA |
| Crosstalk | -90dB @ 100kHz | -110dB @ 1MHz | -74dB @ 1MHz | -70dB @ 1MHz | -85dB @ 1MHz | -90dB @ 100kHz |
| Operating Temperature | -40°C ~ 85°C | -40°C ~ 125°C | -40°C ~ 105°C | -40°C ~ 125°C | -40°C ~ 125°C | 0°C ~ 70°C |
| Package / Case | 16-TSSOP | 16-TSSOP | 16-TSSOP | 16-TSSOP | 16-TSSOP | 16-QSOP |
| Product Status | Obsolete | Active | Active | Active | Active | Obsolete |
| RoHS Status | ROHS3 Compliant | ROHS3 Compliant | ROHS3 Compliant | ROHS3 Compliant | ROHS3 Compliant | ROHS3 Compliant |
Engineering Selection Recommendations
For Direct Pin-Compatible Replacement (16-TSSOP Package):
The ADG1613BRUZ, ADG1613BRUZ-REEL, and ADG1613BRUZ-REEL7 are the primary recommended substitutes. All three variants share identical electrical specifications and differ only in packaging format (Tube, Tape & Reel, and Cut Tape & Digi-Reel respectively). These parts maintain the same 16-TSSOP footprint, support the required 2V ~ 12V supply range (with extended capability to 3.3V ~ 16V), and operate across the full -40°C ~ 125°C temperature range. All are ROHS3 compliant with MSL 1 rating. The significantly lower on-state resistance (1.1Ohm vs. 100Ohm) provides improved performance characteristics.
For Applications Requiring Lower Supply Voltage Compatibility:
The ADG4613BRUZ and ADG4613BRUZ-REEL7 support 3V ~ 12V single supply operation, maintaining compatibility with the ISL84523IVZ's upper voltage range. These parts offer 5.1Ohm on-state resistance and improved switching speed (73ns Ton, 91ns Toff). Both are ROHS3 compliant and rated to -40°C ~ 105°C.
For High-Voltage Applications:
The ADG5413BRUZ and ADG5413BRUZ-REEL7 extend the supply voltage range to 9V ~ 40V, suitable for applications requiring higher operating voltages. These maintain the 16-TSSOP package and 4-circuit SPST configuration with 10Ohm on-state resistance. Both are ROHS3 compliant and rated to -40°C ~ 125°C.
For Vishay Siliconix Alternative:
The DG456EQ-T1-E3 provides a 16-TSSOP packaged substitute with 5.3Ohm on-state resistance and 12V ~ 36V supply range. This part offers the lowest charge injection (22pC) among active substitutes and is ROHS3 compliant with -40°C ~ 125°C operating range.
Package Consideration:
The MAX4553CEE+ is functionally equivalent but housed in a 16-QSOP package rather than 16-TSSOP. This part is obsolete and operates only to 0°C ~ 70°C, making it unsuitable for applications requiring the full -40°C ~ 85°C range of the original ISL84523IVZ.
Frequently Asked Questions (FAQ)
Q: Can the ADG1613BRUZ directly replace the ISL84523IVZ?
A: Yes, the ADG1613BRUZ is a direct pin-compatible replacement. Both parts feature 4 SPST-NO/NC circuits in a 16-TSSOP package with 1:1 multiplexer configuration. The ADG1613BRUZ supports the required 2V ~ 12V supply range and operates across -40°C ~ 125°C. The primary difference is lower on-state resistance (1.1Ohm vs. 100Ohm), which improves signal integrity.
Q: What is the difference between ADG1613BRUZ, ADG1613BRUZ-REEL, and ADG1613BRUZ-REEL7?
A: These three part numbers are electrically identical. The differences are in packaging format: ADG1613BRUZ is supplied in Tube packaging, ADG1613BRUZ-REEL in Tape & Reel format, and ADG1613BRUZ-REEL7 in Cut Tape & Digi-Reel format. Select based on your procurement and assembly requirements.
Q: Why do substitute parts have lower on-state resistance than the ISL84523IVZ?
A: Lower on-state resistance is a characteristic of newer analog switch technology. The ISL84523IVZ's 100Ohm specification reflects older design standards. Modern substitutes like the ADG1613BRUZ (1.1Ohm) provide superior performance with reduced signal attenuation and lower power dissipation.
Q: Is the MAX4553CEE+ a suitable replacement?
A: The MAX4553CEE+ is functionally equivalent but not recommended as a primary substitute. It uses a different package (16-QSOP vs. 16-TSSOP), requires PCB layout modification, and is also obsolete. Additionally, its operating temperature range (0°C ~ 70°C) is narrower than the ISL84523IVZ requirement (-40°C ~ 85°C).
Q: Can I use the ADG5413BRUZ in a 2V ~ 12V application?
A: No. The ADG5413BRUZ requires a minimum supply voltage of 9V. For applications operating at 2V ~ 12V, use the ADG1613BRUZ or ADG4613BRUZ instead.
Q: What is the significance of the -REEL7 suffix?
A: The -REEL7 suffix indicates Cut Tape & Digi-Reel packaging, a format optimized for automated assembly equipment. This packaging format is functionally identical to the base part but offers different handling and storage characteristics suitable for high-volume production.
Q: Are all substitute parts RoHS3 compliant?
A: Yes. All recommended substitute parts (ADG1613BRUZ variants, ADG4613BRUZ variants, ADG5413BRUZ variants, and DG456EQ-T1-E3) are ROHS3 compliant with MSL 1 (Unlimited) moisture sensitivity rating, matching the ISL84523IVZ compliance profile.
Q: Which substitute offers the best performance for low-noise applications?
A: The DG456EQ-T1-E3 offers the lowest charge injection (22pC) among active substitutes, making it suitable for low-noise signal switching applications. However, it requires a minimum 12V supply voltage.
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