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Renesas ISL84780IVZ
- Part No.:
- ISL84780IVZ
- Manufacturer:
- Renesas
- Package:
- 16-TSSOP (0.173", 4.40mm Width)
- Datasheet:
-
ISL84780IVZ.pdf
- Description:
- IC SWITCH SPDTX4 600MOHM 16TSSOP
- Quantity:
- Payment:
- Shipping:
Inventory:3,570
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Product details
Overview
ISL84780IVZ from Intersil is a quad SPDT (dual DPDT) analog multiplexer with 0.36Ω ON resistance at 3V, 12ns turn-on time, and guaranteed break-before-make switching, designed for signal routing in battery-powered portable electronics such as cellular phones and medical handhelds.
For engineers reviewing the ISL84780IVZ datasheet, ISL84780IVZ pinout, ISL84780IVZ application, or ISL84780IVZ equivalent, this device delivers ultra-low RON, sub-20ns switching, 1.8V logic compatibility at 3V supply, and dual-package availability-critical for space-constrained, low-voltage analog signal path design.
Technical Context
The ISL84780IVZ implements four independent bidirectional SPDT switches using CMOS architecture, each with separate NO/NC/COM terminals and shared digital control inputs (IN1–2, IN3–4). Its single-supply operation (+1.6V to +3.6V) eliminates need for dual rails while maintaining rail-to-rail analog signal range.
Internal level shifters translate 1.8V-compatible logic thresholds (VINH ≥1.4V, VINL ≤0.5V at 3V supply) into full V+/GND gate drive for analog switches, ensuring robust switching across temperature (−40°C to +85°C) and supply voltage variation.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| ON Resistance (RON) | 0.36Ω at V+ = 3.0V - enables <0.1% insertion loss in 50Ω audio/video paths |
| Turn-On / Turn-Off Time | 12ns / 8ns at 3V - supports high-speed multiplexing in >30MHz signal chains |
| RON Matching | 0.13Ω max between channels - ensures consistent gain/attenuation across 4-switch array |
| RON Flatness | 0.05Ω over full signal range - preserves linearity for precision sensor or audio signals |
| Supply Range | +1.6V to +3.6V - operates directly from single Li-ion cell or regulated 1.8V/3.3V rails |
| Logic Compatibility | 1.8V CMOS input at 3V supply - interfaces directly with modern low-voltage ASIC GPIO |
| ESD Rating (HBM) | 6kV - meets IEC 61000-4-2 Level 4 for handheld end-equipment robustness |
Pinout & Package
ISL84780IVZ is packaged in a 16-lead TSSOP (M16.173), 4.9mm × 6.25mm × 1.1mm body, Pb-free and RoHS compliant. Thermal resistance θJA = 150°C/W enables operation up to +85°C ambient without forced airflow.
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| V+ | Positive supply input | Single rail for analog switch core and internal level shifter; must be powered before signal or logic inputs |
| GND | Ground reference | Common return for analog signal paths, digital logic, and ESD protection diodes |
| IN1–2, IN3–4 | Digital control inputs | Two pairs of logic inputs controlling respective SPDT switch pairs; 1.8V-compatible thresholds |
| COM1–4 | Analog common terminals | Signal input/output nodes; bidirectional, rail-to-rail capable (0V to V+) |
| NO1–4 | Normally open analog terminals | Connected to COM when corresponding IN = 1; low RON path for active signal routing |
| NC1–4 | Normally closed analog terminals | Connected to COM when corresponding IN = 0; maintains default path during logic low |
Key Features
| Feature | Design Value |
|---|---|
| Quad SPDT configuration | Four independent 2:1 analog muxes or dual differential 2:1 muxes - reduces component count vs discrete switches |
| Guaranteed break-before-make | Minimum 1ns tD prevents signal shorting during channel transition - critical for power-sensitive or mixed-signal systems |
| Ultra-low leakage | ±30nA max COM ON leakage - avoids DC offset drift in high-impedance sensor front-ends |
| Low charge injection | −97pC at 3V - minimizes glitch-induced settling error in precision ADC sample-and-hold circuits |
| Pb-free TSSOP package | M16.173 footprint - compatible with standard SMT reflow profiles and IPC/JEDEC J-STD-020 MSL3 handling |
Applications
| Cellular Phone Baseband Routing | Portable Medical Sensor Hub |
|---|---|
Use Scenario: Multiplexing multiple analog sensors (ECG, SpO₂, temperature) into a single ADC channel on a low-power SoC. IC Role / Device Role / Timing Role: Quad 2:1 analog multiplexer providing selectable signal path with <12ns switching and <0.4Ω RON. Use Value: Enables compact, battery-efficient design by eliminating need for additional ADC channels or higher-pin-count ASICs. |
Use Scenario: Switching between audio codec output and headphone jack, speaker driver, or external DAC in handheld diagnostic devices. IC Role / Device Role / Timing Role: Low-distortion analog switch with 0.002% THD and 68dB off-isolation at 100kHz. Use Value: Preserves audio fidelity while enabling flexible output routing without audible click/pop artifacts. |
| Laptop Docking Station Signal Switching | Test Equipment Channel Selection |
Use Scenario: Routing HDMI, USB-C alternate mode, or DisplayPort signals between host and peripheral ports in space-limited docking solutions. IC Role / Device Role / Timing Role: High-speed analog switch supporting >30MHz bandwidth and −98dB crosstalk rejection. Use Value: Prevents signal coupling between adjacent high-speed lanes, maintaining signal integrity without added shielding. |
Use Scenario: Selecting between multiple DUT inputs in automated test equipment requiring fast, repeatable analog path configuration. IC Role / Device Role / Timing Role: Quad SPDT with guaranteed break-before-make and 0.13Ω RON matching across channels. Use Value: Ensures measurement repeatability and eliminates cross-talk errors during sequential DUT testing. |
Equivalent & Alternatives
The following parts are listed as comparable options for similar analog multiplexer applications.
| Alternative Part | Technical Difference | Application Difference | Selection Advice |
|---|---|---|---|
| MAX4780ETP+ | Pin-compatible but higher RON (0.5Ω typ at 3V) and slower tON/tOFF (15ns/10ns); same TQFN-16 package | Acceptable where <0.2Ω RON matching or sub-13ns speed is not required | Valid drop-in replacement if existing layout uses TQFN; verify thermal derating due to higher RON |
| ISL84781IVZ | Successor part with identical pinout, improved RON flatness (0.03Ω), and lower charge injection (−75pC); same TSSOP-16 | Preferred for new designs requiring tighter signal path linearity or reduced sampling glitch | Direct upgrade path; no PCB change needed; consult Intersil for lifecycle status and qualification data |
Compared with MAX4780ETP+ and ISL84781IVZ, the ISL84780IVZ offers the lowest RON and fastest switching in its family, making it optimal for legacy designs where performance margins are tight-but ISL84781IVZ provides measurable improvements for new implementations.
Availability
ISL84780IVZ is available at Aetrix Electronics and suitable for cellular phone baseband routing, portable medical sensor hubs, laptop docking station signal switching, and automated test equipment requiring stable component supply and long-term industrial availability.
Supply support for ISL84780IVZ includes scheduled delivery planning, volume procurement assistance, BOM continuity management, traceable sourcing, and lifecycle availability coordination for OEM customers, industrial embedded developers, connected-device designers, and electronics production programs.
Manufacturer
Intersil Corporation (now part of Renesas Electronics) is a semiconductor manufacturer specializing in precision analog, power management, and interface ICs for industrial, computing, and communications markets.
The ISL84780IVZ belongs to Intersil's ultra-low-RON analog switch product line, engineered specifically for battery-powered portable equipment demanding minimal signal degradation and maximum integration density.
FAQ
What is the maximum analog signal voltage range supported by the ISL84780IVZ?
The ISL84780IVZ supports a full rail-to-rail analog signal range from 0V to V+, where V+ is set between +1.6V and +3.6V. At V+ = 3.0V, signals from 0V to 3.0V pass unattenuated through the switch. Exceeding V+ or going below GND risks forward-biasing internal ESD diodes, so signal clamping or external protection is required beyond these limits.
Does the ISL84780IVZ require a negative supply or dual-rail operation?
No, the ISL84780IVZ operates exclusively from a single positive supply (V+) and ground (GND). It is not designed for bipolar or dual-rail operation; attempting to apply negative voltages to any pin may damage the device due to internal ESD diode conduction. All analog and digital signals must remain within 0V to V+.
How does the ISL84780IVZ achieve 1.8V logic compatibility while running from a 3V supply?
The ISL84780IVZ integrates internal level shifters that translate 1.8V-compatible logic thresholds (VINH ≥1.4V, VINL ≤0.5V) into full V+/GND gate drive voltages for its analog switches. This allows direct interfacing with 1.8V-output ASICs or FPGAs without external level translation, reducing BOM count and board area.
Is the ISL84780IVZ pin-compatible with other packages in the same family?
Yes-the ISL84780IVZ (TSSOP-16) shares identical pinout and function mapping with the ISL84780IRZ (3×3 TQFN-16) and the MAX4780ETP+. All three use the same terminal numbering, signal assignments, and control logic, enabling direct package substitution without PCB redesign.
What is the thermal performance difference between the TSSOP and TQFN packages of the ISL84780IVZ?
The ISL84780IVZ in TSSOP-16 has θJA = 150°C/W, while the TQFN-16 variant (ISL84780IRZ) achieves θJA = 75°C/W due to its exposed paddle thermal path. For continuous 300mA per channel operation at +85°C ambient, the TQFN version allows ~2× higher power dissipation before junction temperature exceeds 150°C.
ISL84780IVZ Specifications
- Product attributes
- Attribute value
- Manufacturer:
- Renesas
- Series:
- -
- Packaging:
- Tube
- Product Status:
- Obsolete
- Switch Circuit:
- SPDT
- Multiplexer/Demultiplexer Circuit:
- 2:1
- Number of Circuits:
- 4
- On-State Resistance (Max):
- 600mOhm
- Channel-to-Channel Matching (ΔRon):
- 130mOhm
- Voltage - Supply, Single (V+):
- 1.65V ~ 3.6V
- Voltage - Supply, Dual (V±):
- -
- Switch Time (Ton, Toff) (Max):
- 20ns, 14ns
- -3db Bandwidth:
- -
- Charge Injection:
- -97pC
- Channel Capacitance (CS(off), CD(off)):
- 62pF
- Current - Leakage (IS(off)) (Max):
- 3nA
- Crosstalk:
- -98dB @ 100kHz
- Operating Temperature:
- -40°C ~ 85°C (TA)
- Grade:
- -
- Qualification:
- -
- Mounting Type:
- Surface Mount
- Supplier Device Package:
- 16-TSSOP
ISL84780IVZ FAQ
1.How can I place an order for ISL84780IVZ through Aetrix?
Please submit a Request for Quotation (RFQ) for ISL84780IVZ on Aetrix. Our sales agent will provide a competitive quotation and guide you through the order confirmation once you accept the terms.
2.Are the price and stock information for ISL84780IVZ reliable?
The price and inventory of ISL84780IVZ are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for ISL84780IVZ is usually 5 days.
3.What payment methods are accepted for ISL84780IVZ?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for ISL84780IVZ transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for ISL84780IVZ?
ISL84780IVZ orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your ISL84780IVZ order is processed, you will receive an email with the shipment details and tracking number.
Note: Tracking information may take up to 24 hours to appear. Express delivery typically takes 3–5 business days.
5.How can I obtain technical support or documentation for ISL84780IVZ?
For technical support, including ISL84780IVZ datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your ISL84780IVZ requirements.
6.How does Aetrix verify that ISL84780IVZ is sourced from the original manufacturer or authorized distributors?
All ISL84780IVZ products on Aetrix are procured from qualified distributors and authorized channels. Our dedicated quality assurance team conducts strict verification, including traceability checks and, if necessary, third-party testing. This ensures that ISL84780IVZ meets industry standards.
7.What is the process for return or replacement of ISL84780IVZ?
All ISL84780IVZ units undergo pre-shipment inspection (PSI). If there is an issue with ISL84780IVZ, returns or replacements are accepted under the following conditions:
1.Quantity discrepancies, incorrect items, or visible external defects (such as breakage or corrosion), acknowledged by Aetrix.
2.The issue is reported within 90 days of delivery.
3.The ISL84780IVZ part is unused and in its original packaging.
Return procedure for ISL84780IVZ:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
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