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Renesas ISL54057IRUZ-T
- Part No.:
- ISL54057IRUZ-T
- Manufacturer:
- Renesas
- Package:
- 16-UFQFN
- Datasheet:
-
ISL54057IRUZ-T.pdf
- Description:
- IC SWITCH SP4TX1 750MOHM 16UTQFN
- Quantity:
- Payment:
- Shipping:
Inventory:1,158
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Product details
Overview
ISL54057IRUZ-T from Intersil is a differential 4-to-1 analog multiplexer IC designed for low-voltage, rail-to-rail signal routing in portable systems. It operates from a single +1.6V to +3.6V supply, delivers 0.41Ω ON resistance at +3V, supports 27ns turn-on time, and features an inhibit pin for global channel disable. It is used in audio/video switching paths of battery-powered handheld devices.
For engineers reviewing the ISL54057IRUZ-T datasheet, ISL54057IRUZ-T pinout, ISL54057IRUZ-T application, or ISL54057IRUZ-T equivalent, key selection criteria include ultra-low RON matching (0.09Ω), break-before-make timing (4ns), 1.8V logic compatibility at 3V supply, and μTQFN-16 package thermal performance (θJA = 93°C/W).
Technical Context
The ISL54057IRUZ-T implements a precision CMOS analog switch architecture with dual differential output channels (COMA/COMB) and four bidirectional differential input pairs (A0–A3/B0–B3). Its internal level shifters translate 1.8V-compatible digital inputs (ADD0/ADD1/INH) into full-rail gate drive signals across the 1.6V–3.6V supply range.
Break-before-make switching ensures no signal shorting during channel transitions, while ESD protection diodes on all analog pins (±4kV HBM) enable robust operation in portable environments. The device uses submicron CMOS process (228 transistors) and requires strict supply sequencing-V+ must be applied before analog/digital signals to avoid forward-biasing internal clamp diodes.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| Supply Voltage Range | +1.6V to +3.6V single supply - enables direct integration with Li-ion/Li-poly battery rails without regulation. |
| ON Resistance (RON) | 0.41Ω at +3V - minimizes insertion loss and voltage drop in high-fidelity audio or precision sensor signal paths. |
| RON Matching | 0.09Ω max between channels - ensures matched gain/attenuation across differential pairs in instrumentation applications. |
| Switching Time (tON/tOFF) | 27ns/18ns at +3V - supports high-speed multiplexing in portable test equipment and fast-sampling data acquisition. |
| Off-Leakage Current | 4nA max at +25°C - preserves signal integrity in high-impedance medical sensor front-ends and battery-monitoring circuits. |
| Digital Input Compatibility | 1.8V CMOS logic with VIL ≤ 0.5V / VIH ≥ 1.4V at +3V supply - interoperates directly with modern low-voltage microcontrollers and FPGAs. |
| Package | 16-pin μTQFN (2.6 × 1.8 × 0.5 mm) - provides compact footprint and low thermal resistance (θJA = 93°C/W) for space-constrained handheld PCBs. |
Pinout & Package
ISL54057IRUZ-T is housed in a 16-lead ultra-thin quad flat no-lead (μTQFN) package measuring 2.6 mm × 1.8 mm × 0.5 mm, with exposed thermal pad and lead pitch of 0.4 mm. Pin #1 is marked by an index area in the top-left corner.
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| V+ | Positive power supply input | Supplies internal CMOS switches and level shifters; must be powered before any analog/digital signals to prevent ESD diode conduction. |
| GND | Ground reference | Common return path for analog signals and digital logic; required for proper ESD diode biasing and signal integrity. |
| INH | Inhibit control input | Active-high logic input; drives all switches open when high, enabling system-level power gating or fault isolation. |
| ADD0, ADD1 | Binary address inputs | Select one of four differential channels (00→A0/B0, 01→A1/B1, etc.); compatible with 1.8V logic levels at +3V supply. |
| COMA, COMB | Differential output terminals | Paired outputs carrying selected differential signal; support rail-to-rail analog swing from GND to V+. |
| A0–A3, B0–B3 | Differential analog inputs | Four matched differential input pairs; each pair routed to COMA/COMB based on ADD0/ADD1 state. |
| N.C. | No-connect terminal | Internally unconnected; must remain floating or tied to GND per layout guidelines to avoid parasitic coupling. |
Key Features
| Feature | Design Value |
|---|---|
| Ultra-low RON flatness | 0.07Ω over full signal range - maintains consistent gain and minimal THD in audio and video signal routing. |
| Break-before-make timing | 4ns typical - prevents momentary short-circuits between differential channels during switching, critical for sensor multiplexing. |
| Rail-to-rail analog capability | Supports signals from GND to V+ - enables direct interface with ADCs, DACs, and op-amps operating at same supply. |
| Low power consumption | <0.18μW quiescent - extends battery life in always-on portable medical and measurement devices. |
| High current handling | 300mA continuous per channel - accommodates higher-current analog paths such as headphone drivers or sensor excitation. |
Applications
| Audio Signal Routing | Portable Medical Sensors |
|---|---|
|
Use Scenario: Switching between multiple microphone or headphone inputs/outputs in smartphones and tablets. IC Role / Device Role / Timing Role: Differential 4:1 analog multiplexer providing low-distortion, low-noise signal path selection with simultaneous A/B channel routing. Use Value: 0.41Ω RON and 0.07Ω RON flatness preserve SNR and minimize crosstalk in stereo audio paths. |
Use Scenario: Multiplexing ECG, SpO₂, or temperature sensor outputs in wearable health monitors. IC Role / Device Role / Timing Role: Low-leakage (4nA), rail-to-rail analog switch enabling high-impedance biopotential signal acquisition without DC offset drift. Use Value: Sub-10nA leakage at +25°C ensures stable baseline in DC-coupled biomedical front-ends. |
| Laptop Display Interface | Handheld Test Equipment |
|
Use Scenario: Selecting between integrated GPU and discrete GPU video outputs in ultrabooks. IC Role / Device Role / Timing Role: High-bandwidth (70MHz -3dB) differential mux supporting LVDS or eDP signal routing with minimal skew. Use Value: 27ns tON/18ns tOFF and 65dB off-isolation at 100kHz ensure clean video switching without ghosting or noise injection. |
Use Scenario: Channel selection in portable oscilloscope or multimeter front-end signal conditioning. IC Role / Device Role / Timing Role: Precision analog switch with matched RON (0.09Ω) and break-before-make timing for calibrated multi-range measurements. Use Value: RON matching ensures identical gain error across ranges, improving measurement repeatability and calibration stability. |
Equivalent & Alternatives
The following parts are listed as comparable options for similar analog multiplexer applications.
| Alternative Part | Technical Difference | Application Difference | Selection Advice |
|---|---|---|---|
| ISL54050 | Single-ended 4:1 mux (not differential); RON = 0.45Ω at +3V; same μTQFN-16 package. | Suitable only where differential signaling is not required; lacks COMA/COMB dual-output structure. | Select ISL54050 only for cost-sensitive single-ended designs where common-mode rejection is unnecessary. |
| TMUX1574RUKR | Differential 4:1 mux; RON = 0.55Ω at +3.3V; supports 1.08V–3.6V supply; 16-pin WQFN (2.6 × 1.8 mm). | Higher RON and wider supply range; includes power-down mode but no inhibit pin. | Choose TMUX1574RUKR when extended low-voltage operation (<1.6V) or integrated power management is required. |
Compared with ISL54057IRUZ-T, ISL54050 sacrifices differential capability for lower cost in single-ended systems, while TMUX1574RUKR trades 0.14Ω higher RON for broader supply flexibility and power-down control-neither is pin-compatible, requiring PCB redesign.
Availability
ISL54057IRUZ-T is available at Aetrix Electronics and suitable for battery-powered handheld equipment, portable test and measurement instruments, medical monitoring devices, and audio/video signal routing requiring stable component supply and long-term lifecycle support.
Supply support for ISL54057IRUZ-T 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 U.S.-based semiconductor company specializing in precision analog, power management, and interface ICs for industrial, computing, and communications markets.
The ISL54057IRUZ-T belongs to Intersil's ultra-low-RON analog switch product line, engineered specifically for high-fidelity, low-power signal routing in space- and energy-constrained portable electronics.
FAQ
What is the maximum allowable supply voltage for ISL54057IRUZ-T?
The absolute maximum supply voltage (V+ to GND) for ISL54057IRUZ-T is +4.7V. However, the recommended operating range is +1.6V to +3.6V. Exceeding +3.6V risks violating the device's specified electrical characteristics and may accelerate parametric drift or reduce reliability, even if within absolute maximum ratings.
Does ISL54057IRUZ-T support true differential signal switching?
Yes, ISL54057IRUZ-T is explicitly designed as a differential 4:1 analog multiplexer, with two independent output channels (COMA and COMB) and four matched differential input pairs (A0/B0 through A3/B3). Each selected pair routes its full differential signal without inversion or imbalance, preserving common-mode rejection in downstream circuitry.
Can ISL54057IRUZ-T operate reliably at 1.6V supply?
Yes, ISL54057IRUZ-T is fully specified down to +1.6V supply. At this voltage, RON increases to ~0.9Ω (typical), tON/tOFF extend to ~45ns/37ns, and analog signal range remains rail-to-rail. Performance degradation is monotonic and documented in the datasheet's 1.8V electrical specifications section.
Is the INH pin of ISL54057IRUZ-T active-high or active-low?
The INH pin of ISL54057IRUZ-T is active-high: when pulled to V+, all analog switches open simultaneously (high-impedance state); when pulled to GND, normal address-controlled switching resumes. Logic thresholds are VIH ≥ 1.4V and VIL ≤ 0.5V at +3V supply, confirming standard CMOS-compatible behavior.
What is the thermal resistance θJA of ISL54057IRUZ-T in its μTQFN package?
The typical junction-to-ambient thermal resistance (θJA) of ISL54057IRUZ-T in the 16-lead μTQFN package is 93°C/W, measured under JEDEC-standard high-efficiency thermal test board conditions. This value assumes proper PCB copper pour and thermal via design beneath the exposed pad to maximize heat dissipation.
ISL54057IRUZ-T Specifications
- Product attributes
- Attribute value
- Manufacturer:
- Renesas
- Series:
- -
- Packaging:
- Tape & Reel (TR)
- Product Status:
- Obsolete
- Switch Circuit:
- SP4T
- Multiplexer/Demultiplexer Circuit:
- 4:1
- Number of Circuits:
- 1
- On-State Resistance (Max):
- 750mOhm
- Channel-to-Channel Matching (ΔRon):
- 90mOhm
- Voltage - Supply, Single (V+):
- 1.6V ~ 3.6V
- Voltage - Supply, Dual (V±):
- -
- Switch Time (Ton, Toff) (Max):
- 27ns, 18ns
- -3db Bandwidth:
- -
- Charge Injection:
- -
- Channel Capacitance (CS(off), CD(off)):
- 44pF, 149pF
- Current - Leakage (IS(off)) (Max):
- 4nA
- Crosstalk:
- -100dB @ 100kHz
- Operating Temperature:
- -40°C ~ 85°C (TA)
- Grade:
- -
- Qualification:
- -
- Mounting Type:
- Surface Mount
- Supplier Device Package:
- 16-UTQFN (2.6x1.8)
ISL54057IRUZ-T FAQ
1.How can I place an order for ISL54057IRUZ-T through Aetrix?
Please submit a Request for Quotation (RFQ) for ISL54057IRUZ-T 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 ISL54057IRUZ-T reliable?
The price and inventory of ISL54057IRUZ-T are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for ISL54057IRUZ-T is usually 5 days.
3.What payment methods are accepted for ISL54057IRUZ-T?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for ISL54057IRUZ-T transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for ISL54057IRUZ-T?
ISL54057IRUZ-T orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your ISL54057IRUZ-T 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 ISL54057IRUZ-T?
For technical support, including ISL54057IRUZ-T datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your ISL54057IRUZ-T requirements.
6.How does Aetrix verify that ISL54057IRUZ-T is sourced from the original manufacturer or authorized distributors?
All ISL54057IRUZ-T 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 ISL54057IRUZ-T meets industry standards.
7.What is the process for return or replacement of ISL54057IRUZ-T?
All ISL54057IRUZ-T units undergo pre-shipment inspection (PSI). If there is an issue with ISL54057IRUZ-T, 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 ISL54057IRUZ-T part is unused and in its original packaging.
Return procedure for ISL54057IRUZ-T:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
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