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Analog Devices Inc./Maxim Integrated MAX4718EBC-T
- Part No.:
- MAX4718EBC-T
- Manufacturer:
- Analog Devices Inc./Maxim Integrated
- Package:
- 10-WFBGA, CSPBGA
- Datasheet:
-
MAX4718EBC-T.pdf
- Description:
- IC SW SPDT-NO/NCX2 3.5OHM 10UCSP
- Quantity:
- Payment:
- Shipping:
Inventory:20,000
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Product details
Overview
MAX4718EBC-T from Maxim Integrated is a dual SPDT analog switch featuring one 4.5Ω (max) low-RON channel and one 20Ω (max) high-RON channel, operating from +1.8V to +5.5V. It delivers <80ns tON, <40ns tOFF, 300MHz bandwidth, and rail-to-rail signal handling-designed for USB 1.1 D+/D− switching and headphone routing in portable audio systems.
For engineers reviewing the MAX4718EBC-T datasheet, MAX4718EBC-T pinout, MAX4718EBC-T application, or MAX4718EBC-T equivalent, key selection criteria include guaranteed RON matching (0.3Ω/0.4Ω), break-before-make timing (1ns), 15pF on-capacitance, and UCSP-12 package compatibility with space-constrained PCB layouts.
Technical Context
The MAX4718EBC-T integrates two independent SPDT switches on a single BiCMOS die: Switch 1 uses low-RON architecture optimized for high-fidelity signal paths (e.g., USB data lines), while Switch 2 employs higher-RON design for auxiliary functions like bias switching or sensor multiplexing. Both support bidirectional analog signal flow and operate across the full +1.8V to +5.5V supply range.
Digital control inputs are +1.8V logic compatible with VIH = 1.4V (at +3V supply) and tolerate up to +5.5V regardless of V+, enabling mixed-voltage system interfacing. Break-before-make operation prevents momentary shorting during state transitions, critical for avoiding glitches in audio or data paths.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| RON (SPDT1) | 4.5Ω max at +2.7V - ensures minimal insertion loss for USB 1.1 signals (≤12Mbps) and low THD (0.03%) in audio paths |
| RON (SPDT2) | 20Ω max at +2.7V - balances power efficiency and isolation for auxiliary switching such as microphone bias routing |
| RON match (SPDT1) | 0.3Ω max at +3.0V - guarantees matched attenuation between D+ and D− channels, preserving USB differential integrity |
| Bandwidth | >300MHz - supports full-spectrum fidelity in wideband audio and fast edge-rate digital signals |
| tON/tOFF | <80ns / <40ns at +2.7V - enables rapid reconfiguration in multi-source audio systems without audible pop/click |
| On-capacitance | 15pF - minimizes loading on high-impedance sources and maintains signal integrity in RF-adjacent layouts |
| Off-isolation | –55dB at 10MHz - suppresses crosstalk between active and inactive signal paths in shared routing networks |
Pinout & Package
MAX4718EBC-T is housed in a 12-bump UCSP (Ultra Compact Silicon Package) measuring 2.0mm × 1.50mm with 0.5mm bump pitch. The chip-scale footprint reduces board area by >60% versus µMAX or TDFN alternatives.
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| A1 | NC2 | Analog Switch 2 Normally Closed terminal - connects to COM2 when IN2 = low; used for default-path routing |
| A2 | IN2 | Digital control input for Switch 2 - accepts +1.8V logic; tolerant to +5.5V regardless of V+ |
| A3 | COM2 | Common terminal for Switch 2 - bidirectional I/O node; handles signals up to rail-to-rail voltage range |
| A4 | NO2 | Analog Switch 2 Normally Open terminal - connects to COM2 when IN2 = high; enables alternate-path selection |
| B1 | GND | Ground reference - must be low-impedance connection to minimize noise coupling into analog paths |
| B4 | V+ | Positive supply input - powers both analog and digital sections; supports 1.8V–5.5V operation |
| C1 | NC1 | Analog Switch 1 Normally Closed terminal - provides default path for primary signal (e.g., USB D−) |
| C2 | IN1 | Digital control input for Switch 1 - independent logic control; enables simultaneous or staggered switching |
| C3 | COM1 | Common terminal for Switch 1 - carries main signal (e.g., USB D+) with 4.5Ω RON and 0.3Ω matching |
| C4 | NO1 | Analog Switch 1 Normally Open terminal - routes signal to alternate destination (e.g., secondary USB port) |
Key Features
| Feature | Design Value |
|---|---|
| USB 1.1 compliance (TID = 4000231) | Validated skew <2ns and 12Mbps data rate support - eliminates need for external timing validation in USB peripheral designs |
| Rail-to-rail signal handling | Full 0V to V+ analog range - preserves dynamic headroom in battery-powered audio codecs without level-shifting |
| Break-before-make switching (1ns) | Guaranteed non-overlapping contact closure - prevents short-circuits during hot-swap or mode-switching events |
| Low 15pF on-channel capacitance | Minimizes high-frequency roll-off and phase distortion - maintains signal fidelity up to 300MHz in RF-adjacent applications |
| +1.8V CMOS logic compatibility | Operates with 1.4V VIH threshold at +3V supply - interfaces directly with modern low-voltage microcontrollers and FPGAs |
Applications
| USB 1.1 Signal Switching | Headphone Audio Routing |
|---|---|
|
Use Scenario: Dynamic switching between host and peripheral USB ports in OTG-enabled smartphones. IC Role / Device Role / Timing Role: Dual SPDT switch routing D+ and D− lines with sub-2ns skew and break-before-make timing. Use Value: Maintains USB 1.1 electrical compliance without external termination or delay-matching components. |
Use Scenario: Selecting between stereo headphone output and mono speaker output in portable media players. IC Role / Device Role / Timing Role: Low-RON channel routes left/right audio; high-RON channel routes bias or ground return. Use Value: 0.03% THD and 15pF CON preserve audio clarity; 20Ω RON limits current in bias paths. |
| Low-Voltage Data Acquisition | Battery-Operated Equipment |
|
Use Scenario: Multiplexing multiple sensor outputs (e.g., temperature, accelerometer) into a single ADC input. IC Role / Device Role / Timing Role: Bidirectional analog switch with rail-to-rail input range and 4.5Ω RON for minimal gain error. Use Value: 0.3Ω RON matching ensures consistent channel-to-channel gain across sensors. |
Use Scenario: Power domain isolation and signal routing in compact wearable devices with tight space constraints. IC Role / Device Role / Timing Role: UCSP-12 package (2.0mm × 1.5mm) enables placement near connectors or batteries. Use Value: 1µA supply current extends battery life; 1.8V minimum V+ supports single-cell Li-ion operation. |
Equivalent & Alternatives
The following parts are listed as comparable options for similar analog switching applications.
| Alternative Part | Technical Difference | Application Difference | Selection Advice |
|---|---|---|---|
| MAX4717EBC-T | Dual 4.5Ω SPDT switches - no 20Ω channel; identical UCSP-12 package and pinout | Best for symmetric dual-path applications (e.g., full USB D+/D− switching only) | Select when both channels require low RON and matched performance; not suitable for mixed-RON use cases. |
| MAX4718ETB | TDFN-10 package (3mm × 3mm); same electrical specs but larger footprint and exposed thermal pad | Preferred where thermal dissipation or hand-soldering is required | Choose for industrial designs needing robust thermal management or legacy PCB compatibility with TDFN footprints. |
Compared with MAX4717EBC-T and MAX4718ETB, the MAX4718EBC-T uniquely combines asymmetric RON channels (4.5Ω/20Ω) in the smallest UCSP-12 form factor-enabling compact, functionally differentiated switching without layout compromise.
Availability
MAX4718EBC-T is available at Aetrix Electronics and suitable for USB 1.1 signal switching circuits, headphone audio routing, and low-voltage data-acquisition systems requiring stable component supply and long-term production continuity.
Supply support for MAX4718EBC-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
Maxim Integrated (now part of Analog Devices) is a semiconductor company specializing in high-performance analog, mixed-signal, and power-management ICs for industrial, automotive, and consumer applications.
The MAX4717/MAX4718 product line was engineered for low-voltage, high-bandwidth analog signal routing in portable electronics-prioritizing USB compliance, ultra-small packaging, and rail-to-rail operation.
FAQ
What is the maximum supply voltage rating for MAX4718EBC-T?
The MAX4718EBC-T supports a power-supply range of +1.8V to +5.5V. Absolute maximum V+ is +6.0V, but sustained operation above +5.5V risks permanent damage. Operation at +5.5V yields 3.5Ω typical RON for SPDT1 and 12Ω for SPDT2, with tON reduced to 30ns (typical). Always observe the 100mA continuous current limit per terminal.
Does MAX4718EBC-T support bidirectional signal flow?
Yes, MAX4718EBC-T supports fully bidirectional analog signal routing on all COM_, NO_, and NC_ terminals. The device has no intrinsic directionality-the same electrical characteristics (RON, bandwidth, THD) apply whether signals enter via COM_ or exit via NO_/NC_. This enables flexible PCB layout and reuse in transmit/receive paths.
What is the thermal performance of the UCSP-12 package in MAX4718EBC-T?
The MAX4718EBC-T in UCSP-12 has a thermal derating coefficient of 11.4mW/°C above +70°C, with 909mW maximum continuous power dissipation at +70°C ambient. Its silicon-die-to-PCB thermal path relies on solder joint conduction; no exposed thermal pad exists. For high-duty-cycle switching, keep junction temperature below +150°C using appropriate copper pour and airflow.
How does MAX4718EBC-T ensure USB 1.1 compliance?
MAX4718EBC-T meets USB 1.1 requirements through documented 2ns (max) differential skew, 12Mbps data-rate capability, and TID #4000231 certification. Its 4.5Ω RON, 15pF CON, and sub-80ns switching times maintain signal integrity across the 1.5MHz–12MHz frequency band without external equalization or impedance tuning.
Can MAX4718EBC-T be used with 1.8V logic control signals?
Yes, MAX4718EBC-T digital inputs are +1.8V logic compatible: VIL is 0.5V (max) and VIH is 1.4V (min) when V+ = +2.7V to +3.6V. Inputs tolerate up to +5.5V regardless of V+, allowing direct interface with 1.8V GPIOs while powered from +3.3V or +5V rails-no level shifters required.
MAX4718EBC-T Specifications
- Product attributes
- Attribute value
- Manufacturer:
- Analog Devices Inc./Maxim Integrated
- Series:
- -
- Packaging:
- Bulk
- Product Status:
- Active
- Switch Circuit:
- SPDT - NO/NC
- Multiplexer/Demultiplexer Circuit:
- 2:1
- Number of Circuits:
- 2
- On-State Resistance (Max):
- 3.5Ohm
- Channel-to-Channel Matching (ΔRon):
- 300mOhm
- Voltage - Supply, Single (V+):
- 1.8V ~ 5.5V
- Voltage - Supply, Dual (V±):
- -
- Switch Time (Ton, Toff) (Max):
- 80ns, 40ns
- -3db Bandwidth:
- 300MHz
- Charge Injection:
- 5pC
- Channel Capacitance (CS(off), CD(off)):
- 9pF
- Current - Leakage (IS(off)) (Max):
- 500pA
- Crosstalk:
- -80dB @ 10MHz
- Operating Temperature:
- -40°C ~ 85°C (TA)
- Grade:
- -
- Qualification:
- -
- Mounting Type:
- Surface Mount
- Supplier Device Package:
- 10-UCSP
MAX4718EBC-T FAQ
1.How can I place an order for MAX4718EBC-T through Aetrix?
Please submit a Request for Quotation (RFQ) for MAX4718EBC-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 MAX4718EBC-T reliable?
The price and inventory of MAX4718EBC-T are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for MAX4718EBC-T is usually 5 days.
3.What payment methods are accepted for MAX4718EBC-T?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for MAX4718EBC-T transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for MAX4718EBC-T?
MAX4718EBC-T orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your MAX4718EBC-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 MAX4718EBC-T?
For technical support, including MAX4718EBC-T datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your MAX4718EBC-T requirements.
6.How does Aetrix verify that MAX4718EBC-T is sourced from the original manufacturer or authorized distributors?
All MAX4718EBC-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 MAX4718EBC-T meets industry standards.
7.What is the process for return or replacement of MAX4718EBC-T?
All MAX4718EBC-T units undergo pre-shipment inspection (PSI). If there is an issue with MAX4718EBC-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 MAX4718EBC-T part is unused and in its original packaging.
Return procedure for MAX4718EBC-T:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
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