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Analog Devices Inc./Maxim Integrated MAX4854HLETE+
- Part No.:
- MAX4854HLETE+
- Manufacturer:
- Analog Devices Inc./Maxim Integrated
- Package:
- 16-WFQFN Exposed Pad
- Datasheet:
-
MAX4854HLETE+.pdf
- Description:
- MAX4854 QUAD SPST
- Quantity:
- Payment:
- Shipping:
Inventory:11,832
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Product details
Overview
MAX4854HLETE+ from Maxim Integrated is a quad SPST analog switch with overvoltage protection, 7Ω on-resistance, 27.5pF on-capacitance, and 150MHz -3dB bandwidth, designed for USB 2.0 full-speed (12Mbps) signal routing in portable data interfaces.
For engineers reviewing the MAX4854HLETE+ datasheet, MAX4854HLETE+ pinout, MAX4854HLETE+ application, or MAX4854HLETE+ equivalent, this device supports rail-to-rail analog signal switching up to VCC + 0.5V, features 1.8V logic compatibility, operates from +2V to +5.5V, and delivers sub-1ns skew for differential D+/D− path integrity in USB host/peripheral switching.
Technical Context
The MAX4854HLETE+ implements four independent CMOS SPST switches with bidirectional signal paths and automatic high-impedance fail-safe behavior when input signals exceed VCC. Its architecture integrates internal clamping diodes and logic-level tolerant control inputs that accept up to +5.5V regardless of VCC level.
Each switch exhibits flat on-resistance (<4Ω variation across 0–VCC analog range), low charge injection (8pC), and guaranteed <1ns skew between channels-enabling precise timing alignment for USB differential pairs without external matching components.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| On-Resistance | 7Ω typical at VCC = 3V - ensures minimal voltage drop and signal attenuation for 12Mbps USB data lines |
| -3dB Bandwidth | 150MHz - supports full-speed USB 2.0 (12Mbps) and high-fidelity analog video/data switching |
| On-Capacitance | 27.5pF - enables fast edge response and low distortion in high-speed digital signal paths |
| Supply Range | +2V to +5.5V - compatible with 2.5V, 3.3V, and 5V system rails without level-shifting |
| Logic Compatibility | 1.8V input threshold - allows direct interfacing with low-voltage microcontrollers and FPGAs |
| Overvoltage Protection | High-Z mode above VCC - prevents signal feedthrough and protects downstream circuitry from >VCC transients |
| Turn-On/Off Time | 30ns/60ns typical - ensures rapid channel selection without compromising USB packet timing margins |
Pinout & Package
MAX4854HLETE+ uses a 16-pin thin QFN package (3mm × 3mm × 0.8mm) with exposed thermal paddle connected to PCB ground. Pin numbering follows JEDEC MO-220 standard; Pin 1 is marked by top-side dot or beveled corner.
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| NO1–NO4 (Pins 1,5,7,10) | Normally Open analog terminal (MAX4854H variant) | Switch output node; connects to COMx only when INx is asserted per logic polarity |
| COM1–COM4 (Pins 16,4,8,12) | Common analog terminal | Bidirectional signal path hub - accepts D+, D−, or other high-bandwidth signals |
| IN1–IN4 (Pins 15,3,9,13) | Digital control input | Logic-level tolerant (0–5.5V); polarity inverted between MAX4854H/MAX4854HL variants |
| VCC (Pin 14) | Power supply | Must be bypassed with 0.01µF capacitor near pin to suppress switching noise |
| GND (Pin 6) | Ground reference | Return path for analog and digital currents; ties to exposed paddle for thermal management |
| N.C. (Pins 2,11) | No connection | Internally unconnected - must remain floating or grounded per layout best practice |
Key Features
| Feature | Design Value |
|---|---|
| USB 2.0 Full-Speed Support | Guaranteed <1ns inter-channel skew and 150MHz bandwidth enable robust D+/D− switching without eye diagram degradation |
| Rail-to-Rail Analog Switching | Handles signals from GND to VCC + 0.5V - eliminates need for external clamping in mixed-supply systems |
| Low On-Capacitance | 27.5pF minimizes loading on high-frequency traces and preserves signal rise/fall times |
| 1.8V Logic-Compatible Inputs | Accepts 1.4V VIH at 2V VCC - interoperates directly with modern low-power controllers without level shifters |
| Thermal-Efficient QFN | 3×3mm TQFN-EP package with exposed paddle reduces junction-to-board thermal resistance to ~45°C/W |
Applications
| USB Host Switching | Mobile Device Docking |
|---|---|
Use Scenario: Dynamically routing USB D+/D− lines between multiple peripherals (e.g., keyboard, storage, camera) and a single host controller. IC Role / Device Role / Timing Role: Quad SPST switch managing bidirectional full-speed data paths with sub-1ns skew to maintain USB packet timing integrity. Use Value: Enables single-port multi-peripheral sharing without protocol translation or latency penalties inherent in USB hubs. | Use Scenario: Supporting hot-plug detection and signal isolation during docking/undocking of smartphones or tablets to cradles or accessories. IC Role / Device Role / Timing Role: Overvoltage-protected analog switch isolating D+/D− from host during insertion transients and enabling clean connect/disconnect sequencing. Use Value: Prevents ESD-induced latch-up or data corruption during mechanical mating by entering high-Z mode when VNO exceeds VCC. |
| Notebook USB Expansion | Industrial Data Acquisition |
Use Scenario: Adding dual-role USB ports (host/peripheral) to ultrabooks via multiplexed Type-C or micro-B connectors. IC Role / Device Role / Timing Role: Signal-line protection switch ensuring D+/D− integrity across both host and device modes while maintaining USB electrical compliance. Use Value: Eliminates need for separate USB transceivers or direction-control logic, reducing BOM count and PCB area. | Use Scenario: Isolating sensor interface lines (e.g., RS-485, LVDS) from MCU I/O during power sequencing or fault conditions. IC Role / Device Role / Timing Role: High-bandwidth analog switch providing galvanic separation and overvoltage blocking for industrial serial links. Use Value: Protects sensitive ADC/DAC front-ends from field-induced surges up to VCC + 0.5V without external TVS diodes. |
Equivalent & Alternatives
The following parts are listed as comparable options for similar analog switch applications.
| Alternative Part | Technical Difference | Application Difference | Selection Advice |
|---|---|---|---|
| TS3USB30E | Single-pole/double-throw (SPDT), 6Ω RON, 10pF CON, no overvoltage protection | Designed for USB 2.0 muxing with integrated termination; lacks high-Z fail-safe behavior | Select when compact SPDT topology suffices and overvoltage events are externally managed |
| ADG732BRUZ | 32-channel SPST, 4Ω RON, 10pF CON, 3.3V-only supply, no overvoltage protection | Targeted at FPGA I/O expansion and test equipment; requires strict VCC adherence | Choose for high-channel-count, low-RON applications where rail-exceeding signals are absent |
Compared with TS3USB30E and ADG732BRUZ, the MAX4854HLETE+ uniquely combines quad SPST topology, 7Ω on-resistance, 27.5pF on-capacitance, and automatic high-Z response to overvoltage - making it optimal for USB port protection and dynamic signal routing where transient resilience is critical.
Availability
MAX4854HLETE+ is available at Aetrix Electronics and suitable for USB switching, high-bandwidth data routing, and portable electronics requiring stable component supply across industrial temperature ranges (-40°C to +85°C).
Supply support for MAX4854HLETE+ 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) designs precision analog, mixed-signal, and power management ICs for industrial, communications, and consumer applications.
The MAX4854HLETE+ belongs to Maxim's high-bandwidth analog switch product line, engineered specifically for USB 2.0 signal integrity, overvoltage-tolerant data routing, and space-constrained portable electronics.
FAQ
What is the maximum analog signal voltage the MAX4854HLETE+ can handle without damage?
The MAX4854HLETE+ supports analog signals from GND to VCC + 0.5V under normal operation. Absolute maximum ratings allow NO_/COM_ pins to tolerate -0.3V to +6.0V relative to GND. When analog input exceeds VCC, the switch automatically enters high-impedance mode to block feedthrough - protecting downstream circuitry. This behavior is confirmed in the MAX4854HLETE+ datasheet's Detailed Description and Absolute Maximum Ratings sections.
Does the MAX4854HLETE+ support bidirectional signal flow?
Yes, the MAX4854HLETE+ supports fully bidirectional analog signal flow between COMx and NOx terminals. The device has no intrinsic directionality - either pin may serve as input or output depending on system topology. This is explicitly stated in the Applications Information section and verified in the Pin Description table, which defines COMx as "Common Terminal" and NOx as "Normally Open Terminal" with no directional constraints.
What is the logic polarity of the control inputs on the MAX4854HLETE+?
The MAX4854HLETE+ uses the MAX4854H variant logic polarity: a logic-low on INx opens the switch (disconnects COMx from NOx), and a logic-high connects them. This is distinct from the MAX4854HL variant, where polarity is inverted. The top-marking "ACX" on the MAX4854HLETE+ package confirms it is the H version, and the Truth Table in the datasheet validates this active-high switching behavior.
Can the MAX4854HLETE+ be used in 1.8V logic systems?
Yes, the MAX4854HLETE+ supports 1.8V logic inputs: VIH is specified as 1.4V minimum at VCC = 2.0V, and 1.8V minimum at VCC = 3.6V–5.5V. Its inputs tolerate up to +5.5V regardless of VCC, enabling direct interface with 1.8V microcontrollers even when powered from 3.3V. This capability is documented in the DIGITAL I/O section of the MAX4854HLETE+ datasheet under Input-Logic High Voltage (VIH).
Is an external bypass capacitor required for the MAX4854HLETE+?
Yes, a 0.01µF ceramic capacitor must be placed between VCC (Pin 14) and GND (Pin 6) as close to the package as possible. This is explicitly mandated in the Pin Description section to suppress high-frequency switching noise and ensure stable operation - especially critical given the device's 150MHz bandwidth and low on-resistance. Omitting this capacitor risks signal integrity degradation and potential oscillation.
MAX4854HLETE+ Specifications
- Product attributes
- Attribute value
- Manufacturer:
- Analog Devices Inc./Maxim Integrated
- Series:
- -
- Packaging:
- Bulk
- Product Status:
- Obsolete
- Switch Circuit:
- SPST - Open
- Multiplexer/Demultiplexer Circuit:
- 1:1
- Number of Circuits:
- 4
- On-State Resistance (Max):
- 9Ohm
- Channel-to-Channel Matching (ΔRon):
- 200mOhm
- Voltage - Supply, Single (V+):
- 2V ~ 5.5V
- Voltage - Supply, Dual (V±):
- -
- Switch Time (Ton, Toff) (Max):
- 60ns, 40ns
- -3db Bandwidth:
- 150MHz
- Charge Injection:
- 8pC
- Channel Capacitance (CS(off), CD(off)):
- 13pF
- Current - Leakage (IS(off)) (Max):
- 2nA
- Crosstalk:
- -95dB @ 1MHz
- Operating Temperature:
- -40°C ~ 85°C
- Grade:
- -
- Qualification:
- -
- Mounting Type:
- Surface Mount
- Supplier Device Package:
- 16-TQFN-EP (3x3)
MAX4854HLETE+ FAQ
1.How can I place an order for MAX4854HLETE+ through Aetrix?
Please submit a Request for Quotation (RFQ) for MAX4854HLETE+ 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 MAX4854HLETE+ reliable?
The price and inventory of MAX4854HLETE+ are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for MAX4854HLETE+ is usually 5 days.
3.What payment methods are accepted for MAX4854HLETE+?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for MAX4854HLETE+ transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for MAX4854HLETE+?
MAX4854HLETE+ orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your MAX4854HLETE+ 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 MAX4854HLETE+?
For technical support, including MAX4854HLETE+ datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your MAX4854HLETE+ requirements.
6.How does Aetrix verify that MAX4854HLETE+ is sourced from the original manufacturer or authorized distributors?
All MAX4854HLETE+ 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 MAX4854HLETE+ meets industry standards.
7.What is the process for return or replacement of MAX4854HLETE+?
All MAX4854HLETE+ units undergo pre-shipment inspection (PSI). If there is an issue with MAX4854HLETE+, 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 MAX4854HLETE+ part is unused and in its original packaging.
Return procedure for MAX4854HLETE+:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
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