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Analog Devices Inc./Maxim Integrated MAX4854ETE+
- Part No.:
- MAX4854ETE+
- Manufacturer:
- Analog Devices Inc./Maxim Integrated
- Package:
- -
- Datasheet:
-
MAX4854ETE+.pdf
- Description:
- IC INTEGRATED CIRCUIT
- Quantity:
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Inventory:1,059
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Product details
Overview
MAX4854ETE+ from Maxim Integrated is a quad SPST analog switch IC designed for high-fidelity USB 2.0 full-speed (12Mbps) data path switching, featuring 7Ω typical on-resistance, 30pF on-capacitance, and over-rail signal handling up to +5.5V with as low as +2V supply. It supports bidirectional D+/D− signal routing in USB multiplexing applications while maintaining sub-1ns channel-to-channel skew.
For engineers reviewing the MAX4854ETE+ datasheet, MAX4854ETE+ pinout, MAX4854ETE+ application, or MAX4854ETE+ equivalent, key selection criteria include rail-to-rail analog signal support, 150MHz −3dB bandwidth, 1.8V logic compatibility, low charge injection (8pC), and TQFN-16 (3mm × 3mm) package suitability for space-constrained portable designs.
Technical Context
The MAX4854ETE+ implements four independent CMOS-based SPST switches with matched on-resistance (ΔRON ≤ 0.5Ω) and ultra-low off-isolation (−80dB at 100kHz). Its over-rail architecture enables analog signals exceeding VCC-up to +5.5V-to pass without clipping or distortion, even when powered from +2.0V.
Each switch features 1.8V-tolerant digital control inputs (VIH = 1.4V min at VCC = +2V), <0.01µA supply current, and guaranteed timing performance: tON/tOFF ≤ 100ns/60ns over −40°C to +85°C. The device uses no internal level shifters-logic and analog domains share ground-referenced thresholds.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| On-resistance (RON) | 7Ω typical at VCC = +3V, enabling minimal voltage drop (<70mV at 10mA) and low insertion loss in USB signal paths. |
| −3dB Bandwidth | 150MHz, supporting clean transmission of USB 2.0 full-speed harmonics without attenuation. |
| Supply range | +2.0V to +5.5V single supply-allows direct integration into 2.5V, 3.3V, or 5V systems without external regulators. |
| Over-rail capability | Passes analog signals up to +5.5V regardless of VCC (≥+2V), eliminating need for external clamping or level-shifting in mixed-voltage USB hubs. |
| Logic compatibility | 1.8V-input-compatible control pins (VIH = 1.4V min at VCC = +2V), enabling direct interface with low-voltage microcontrollers and FPGAs. |
| Charge injection | 8pC maximum-minimizes glitch-induced data corruption during hot-swap or dynamic reconfiguration of USB ports. |
| Off-isolation | −80dB at 100kHz-ensures >10,000:1 signal rejection between inactive channels, critical for noise-sensitive data routing. |
Pinout & Package
MAX4854ETE+ is housed in a 16-pin, 3mm × 3mm thin QFN package with exposed thermal pad (EP) that must be soldered to PCB ground for optimal thermal performance and EMI suppression.
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| 1, 5, 7, 10 | NO1–NO4 | Normally open analog terminals-connect to downstream USB data lines (e.g., D+/D− of alternate ports) only when corresponding IN_ is high. |
| 4, 8, 12, 16 | COM1–COM4 | Common analog terminals-tie to upstream USB transceiver D+/D− pairs; bidirectional signal flow supported. |
| 3, 9, 13, 15 | IN1–IN4 | Digital control inputs-TTL/CMOS-compatible; drive high to close respective switch, low to open; tolerate up to +5.5V regardless of VCC. |
| 6 | GND | Analog/digital ground reference-must be low-impedance connection; shared with EP for thermal and noise control. |
| 14 | VCC | Single positive supply input-requires local 0.01µF ceramic bypass capacitor to GND for stable switching transients. |
| 2, 11 | N.C. | No internal connection-leave unconnected; no pull-up/down or routing required. |
Key Features
| Feature | Design Value |
|---|---|
| Quad SPST architecture with matched RON | Enables simultaneous, independent switching of two USB differential pairs (D+/D− per port) with <1ns skew-critical for USB packet integrity. |
| Over-rail analog signal handling | Supports D+/D− signals up to +5.5V even at VCC = +2.0V-eliminates external voltage translators in dual-supply USB host/device arbitration. |
| Low 30pF COM on-capacitance | Minimizes signal rise-time degradation and crosstalk in high-speed USB traces-preserves eye diagram margin at 12Mbps. |
| Sub-100ns turn-on time | Allows dynamic USB port reconfiguration within USB reset timing budgets (<10ms), enabling seamless peripheral switching. |
| 1.8V logic-compatible inputs | Permits direct interfacing with modern low-voltage SoCs and PMICs without level-shifter ICs-reducing BOM count and layout complexity. |
Applications
| USB 2.0 Multiplexer | Mobile Device Docking |
|---|---|
|
Use Scenario: Selecting between two USB hosts (e.g., laptop and tablet) to share a single peripheral like a keyboard or flash drive. IC Role / Device Role / Timing Role: Quad SPST switch routing D+/D− pairs under microcontroller control; manages bidirectional 12Mbps data flow with <1ns inter-pair skew. Use Value: Enables plug-and-play host arbitration without protocol translation or firmware intervention-maintains full USB 2.0 compliance. |
Use Scenario: Switching USB data lines between smartphone and dock peripherals (HDMI, Ethernet, storage) during cradle insertion. IC Role / Device Role / Timing Role: Signal path selector activated by mechanical detection; handles hot-plug events with <100ns response and <8pC charge injection. Use Value: Prevents data corruption during physical connection/disconnection-no USB reenumeration delay or driver reload required. |
| Notebook USB Port Sharing | Industrial USB Hub Controller |
|
Use Scenario: Sharing one USB-C port across internal card reader, external monitor USB hub, and debug interface via software-controlled routing. IC Role / Device Role / Timing Role: Low-RON analog switch managed by EC firmware; routes full-speed signals with <7Ω resistance and 150MHz bandwidth. Use Value: Eliminates need for discrete USB switches or complex mux ICs-reduces layer count and improves signal integrity in thin-form-factor designs. |
Use Scenario: Isolating failed downstream USB ports in ruggedized industrial hubs to maintain uptime of remaining ports. IC Role / Device Role / Timing Role: Fault-containment switch placed before each downstream port; disconnects faulty D+/D− lines with −80dB off-isolation. Use Value: Prevents short-circuit propagation across hub channels-avoids system-wide USB enumeration failure during field operation. |
Equivalent & Alternatives
The following parts are listed as comparable options for similar analog switch applications.
| Alternative Part | Technical Difference | Application Difference | Selection Advice |
|---|---|---|---|
| TS3USB30E | Triple SPST, 6Ω RON, 1.8V–4.3V supply, no over-rail capability (max analog = VCC). | Limited to single-supply USB 2.0 routing; cannot handle mixed-voltage D+/D− signals above VCC. | Choose TS3USB30E only if all signal sources and loads operate strictly within VCC range and quad density is not required. |
| ADG732BRUZ | 32-channel SPST, 4.5Ω RON, 2.7V–5.5V supply, 100MHz bandwidth, no over-rail support. | Higher channel count but lower bandwidth and no >VCC signal tolerance-unsuitable for USB 2.0 full-speed. | Select ADG732BRUZ for general-purpose low-voltage multiplexing where USB speed and over-rail operation are irrelevant. |
Compared with TS3USB30E and ADG732BRUZ, the MAX4854ETE+ uniquely delivers quad-channel USB 2.0 routing with guaranteed over-rail operation, sub-1ns skew, and 150MHz bandwidth-making it the only drop-in solution for mixed-voltage USB arbitration without redesigning signal conditioning.
Availability
MAX4854ETE+ is available at Aetrix Electronics and suitable for USB 2.0 multiplexing, mobile docking interfaces, and notebook port-sharing applications requiring stable component supply, long-term lifecycle assurance, and consistent parametric performance across production batches.
Supply support for MAX4854ETE+ 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
Maxim Integrated (now part of Analog Devices) is a U.S.-based semiconductor company specializing in high-performance analog, mixed-signal, and power management ICs for industrial, communications, and consumer applications.
The MAX4854ETE+ belongs to Maxim's precision analog switch product line, engineered specifically for high-speed, low-distortion data-path routing in USB, audio, and sensor interface systems where signal fidelity and voltage flexibility are critical.
FAQ
What is the maximum analog signal voltage the MAX4854ETE+ can switch when powered from +2.0V?
The MAX4854ETE+ supports analog signals up to +5.5V-even when VCC = +2.0V-due to its over-rail architecture. This allows D+/D− signals from 5V USB hosts to pass through unclipped to 2.5V or 3.3V peripherals without external level shifting, preserving signal integrity and simplifying system design.
Does the MAX4854ETE+ require external pull-up or pull-down resistors on its IN1–IN4 control pins?
No, the MAX4854ETE+ does not require external pull-up or pull-down resistors on IN1–IN4. Its digital inputs have rail-to-rail compatible thresholds (VIH = 1.4V min at VCC = +2V; VIH = 1.8V min at VCC = +5.5V) and <0.5µA leakage, allowing direct connection to microcontroller GPIOs without biasing components-reducing BOM cost and board area.
Can the MAX4854ETE+ be used to switch USB 3.0 SuperSpeed signals?
No, the MAX4854ETE+ is not suitable for USB 3.0 SuperSpeed (5Gbps) signals. Its 150MHz −3dB bandwidth and 12Mbps-rated architecture are optimized for USB 2.0 full-speed operation only. Attempting to route SuperSpeed differential pairs would result in severe signal degradation, jitter accumulation, and link training failure.
How is thermal performance managed in the MAX4854ETE+'s 3mm × 3mm TQFN package?
The MAX4854ETE+ uses an exposed thermal pad (EP) that must be soldered directly to a solid PCB ground plane. This provides low-thermal-resistance conduction path-enabling continuous power dissipation up to 1667mW at +70°C ambient-and reduces junction temperature rise during sustained switching, ensuring reliable operation across −40°C to +85°C.
Is the MAX4854ETE+ pin-compatible with earlier MAX4854 variants such as MAX4854EEE+?
Yes, the MAX4854ETE+ is pin-compatible with MAX4854EEE+ and other MAX4854 variants in the same 16-pin TQFN package. All share identical pinout, electrical specifications, and thermal pad configuration-allowing drop-in replacement without PCB layout changes, provided the target temperature range (−40°C to +85°C) matches the application requirements.
MAX4854ETE+ Specifications
- Product attributes
- Attribute value
- Manufacturer:
- Analog Devices Inc./Maxim Integrated
- Series:
- *
- Packaging:
- Tube
- Product Status:
- Obsolete
- Switch Circuit:
- -
- Multiplexer/Demultiplexer Circuit:
- -
- Number of Circuits:
- -
- On-State Resistance (Max):
- -
- Channel-to-Channel Matching (ΔRon):
- -
- Voltage - Supply, Single (V+):
- -
- Voltage - Supply, Dual (V±):
- -
- Switch Time (Ton, Toff) (Max):
- -
- -3db Bandwidth:
- -
- Charge Injection:
- -
- Channel Capacitance (CS(off), CD(off)):
- -
- Current - Leakage (IS(off)) (Max):
- -
- Crosstalk:
- -
- Operating Temperature:
- -
- Grade:
- -
- Qualification:
- -
- Mounting Type:
- -
- Supplier Device Package:
- -
MAX4854ETE+ FAQ
1.How can I place an order for MAX4854ETE+ through Aetrix?
Please submit a Request for Quotation (RFQ) for MAX4854ETE+ 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 MAX4854ETE+ reliable?
The price and inventory of MAX4854ETE+ are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for MAX4854ETE+ is usually 5 days.
3.What payment methods are accepted for MAX4854ETE+?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for MAX4854ETE+ transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for MAX4854ETE+?
MAX4854ETE+ orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your MAX4854ETE+ 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 MAX4854ETE+?
For technical support, including MAX4854ETE+ datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your MAX4854ETE+ requirements.
6.How does Aetrix verify that MAX4854ETE+ is sourced from the original manufacturer or authorized distributors?
All MAX4854ETE+ 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 MAX4854ETE+ meets industry standards.
7.What is the process for return or replacement of MAX4854ETE+?
All MAX4854ETE+ units undergo pre-shipment inspection (PSI). If there is an issue with MAX4854ETE+, 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 MAX4854ETE+ part is unused and in its original packaging.
Return procedure for MAX4854ETE+:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
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