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Analog Devices Inc./Maxim Integrated MAX4686EBT-T
- Part No.:
- MAX4686EBT-T
- Manufacturer:
- Analog Devices Inc./Maxim Integrated
- Package:
- 6-WFBGA, CSPBGA
- Datasheet:
-
MAX4686EBT-T.pdf
- Description:
- IC SWITCH SPST-NOX1 2.5OHM 6UCSP
- Quantity:
- Payment:
- Shipping:
Inventory:4,647
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Product details
Overview
MAX4686EBT-T from Maxim Integrated is a single-pole/single-throw (SPST), normally open analog switch optimized for low-voltage, high-speed signal routing. It operates from a single +1.8V to +5.5V supply, delivers 2.5Ω (max) on-resistance at +3V, achieves 30ns turn-on and 12ns turn-off times, and supports rail-to-rail analog signal handling up to V+. It is widely deployed in battery-powered audio routing and portable communications circuits.
For engineers reviewing the MAX4686EBT-T datasheet, MAX4686EBT-T pinout, MAX4686EBT-T application, or MAX4686EBT-T equivalent, key selection criteria include guaranteed RON flatness (≤1Ω), sub-1nA leakage at +25°C, UCSP-6 package footprint (1.50mm × 1.02mm), and 1.8V logic compatibility with +2.7V to +3.3V supplies.
Technical Context
The MAX4686EBT-T implements a CMOS transmission-gate architecture with matched P- and N-channel devices to enable rail-to-rail signal conduction and low distortion. Its control logic accepts 1.8V-compatible inputs independent of V+ level, allowing interface with low-voltage microcontrollers without level shifting.
Designed for signal integrity in compact portable systems, it features 35pF on-capacitance, −90dB off-isolation at 100kHz, and <40pC charge injection-enabling clean switching of audio and sensor signals without audible pop or baseline shift.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| RON (max) | 2.5Ω at V+ = +3V - ensures minimal voltage drop and power loss in low-level analog paths |
| RON flatness (max) | 1Ω over full signal range - maintains consistent gain/attenuation across audio or sensor input spans |
| tON/tOFF | 30ns / 12ns max - supports high-speed multiplexing in data acquisition and digital audio interfaces |
| Off-isolation | −90dB at 100kHz - suppresses crosstalk between adjacent channels in multi-signal routing |
| Leakage (INO(OFF)) | ±1nA max over −40°C to +85°C - preserves accuracy in high-impedance sensor front-ends |
| Logic compatibility | 1.8V-input compatible with V+ ≥ +2.7V - enables direct connection to 1.8V/3.3V I/O domains |
| Package | 6-bump UCSP (1.50mm × 1.02mm, 0.5mm bump pitch) - reduces PCB area by >70% vs. SOT-23 |
Pinout & Package
The MAX4686EBT-T is housed in a 6-bump wafer-level chip-scale package (UCSP™) measuring 1.50mm × 1.02mm, with solder bumps arranged in a 3×2 array at 0.5mm pitch. The package is lead-free and RoHS-compliant.
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| B1 | V+ | Positive supply input - must be applied before analog signals to prevent latch-up |
| B2 | IN | Digital control input - active-high logic; drives internal transmission gate |
| B3 | GND | Analog/digital ground reference - requires low-impedance connection for signal integrity |
| A1 | NO | Normally open analog terminal - connects to COM only when IN = high |
| A3 | COM | Common analog port - bidirectional I/O; routes signal between NO and system path |
| A2 | I.C. | Internally connected - not user-accessible; must be left unconnected on PCB |
Key Features
| Feature | Design Value |
|---|---|
| Rail-to-rail signal handling | Supports analog signals from GND to V+ without clipping - essential for full-scale audio and sensor outputs |
| Low RON matching (0.4Ω max) | Enables precise channel-to-channel gain tracking in dual-path or differential signal routing |
| Charge injection <40pC | Minimizes transient glitches during switching - critical for DC-coupled sensor and medical signal paths |
| −95dB crosstalk (MAX4688 variant) | Not applicable to MAX4686EBT-T - this value applies only to the SPDT MAX4688 variant |
| Break-before-make | Not applicable to MAX4686EBT-T - exclusive to MAX4688 SPDT configuration |
Applications
| Audio Signal Routing | Power Path Control |
|---|---|
|
Use Scenario: Selecting between multiple microphone inputs or headphone outputs in an MP3 player or smartphone. IC Role / Device Role / Timing Role: SPST NO analog switch enabling/disabling signal paths under microcontroller GPIO control. Use Value: 2.5Ω RON and rail-to-rail operation preserve SNR and dynamic range; UCSP footprint saves space in ultra-thin form factors. |
Use Scenario: Isolating backup battery rails or enabling/disabling power to peripheral modules in handheld medical devices. IC Role / Device Role / Timing Role: Low-leakage (±1nA) analog switch acting as a precision power gate with no external FET drivers required. Use Value: Sub-µA supply current and <1nA off-state leakage extend battery life; 100mA continuous rating supports moderate-power loads. |
| Relay Replacement | Communications Interface Switching |
|
Use Scenario: Replacing electromechanical relays in test equipment or industrial sensors where long lifetime and silent operation are mandatory. IC Role / Device Role / Timing Role: Solid-state SPST switch providing infinite cycle life, no contact bounce, and µs-level response versus ms relay delays. Use Value: 30ns tON/12ns tOFF enables rapid reconfiguration; 1.8V logic compatibility simplifies MCU interface design. |
Use Scenario: Multiplexing UART, I²C, or SPI lines between multiple peripherals in a cellular baseband subsystem. IC Role / Device Role / Timing Role: Bidirectional analog switch isolating communication buses during hot-swap or fault conditions. Use Value: −90dB off-isolation prevents signal coupling between active/inactive channels; 200MHz bandwidth supports high-speed digital signaling. |
Equivalent & Alternatives
The following parts are listed as comparable options for similar analog switch applications.
| Alternative Part | Technical Difference | Application Difference | Selection Advice |
|---|---|---|---|
| MAX4687EBT-T | SPST NC (normally closed) configuration - complementary logic behavior to MAX4686EBT-T | Suitable where default-closed signal path is required (e.g., fail-safe sensor monitoring) | Select MAX4687EBT-T only when NC functionality is needed; otherwise, MAX4686EBT-T remains optimal for NO routing. |
| TMUX1574DSGR | 4-channel SPDT, 3.5Ω RON, 1.8V–5.5V supply, 10-pin WSON - higher channel count but larger footprint | Used in multi-signal routing where one IC must replace multiple MAX4686 units | Choose TMUX1574DSGR for consolidation; choose MAX4686EBT-T for minimal size, lowest RON, and proven UCSP reliability in space-constrained designs. |
Compared with MAX4687EBT-T and TMUX1574DSGR, the MAX4686EBT-T offers the smallest board area (1.52mm²), lowest RON (2.5Ω), and highest integration density per mm² - making it ideal for single-path, NO-gated applications where size and signal fidelity are primary constraints.
Availability
MAX4686EBT-T is available at Aetrix Electronics and suitable for MP3 players, cellular phones, and battery-operated equipment requiring stable component supply, long-term lifecycle support, and consistent UCSP packaging performance.
Supply support for MAX4686EBT-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 U.S.-based semiconductor company specializing in high-performance analog, mixed-signal, and power management ICs for industrial, communications, and consumer applications.
The MAX4686EBT-T belongs to Maxim's low-voltage analog switch product line, engineered specifically for space-constrained, battery-powered systems demanding ultra-low RON, fast switching, and rail-to-rail signal integrity.
FAQ
What is the maximum supply voltage for the MAX4686EBT-T?
The MAX4686EBT-T supports a single-supply operating range of +1.8V to +5.5V. Its absolute maximum rating for V+ is +6V - exceeding this risks permanent damage. For reliable operation, V+ must remain within the specified range, and analog signals on NO, NC, or COM must not exceed V+ + 0.3V per the datasheet's absolute maximum ratings.
Does the MAX4686EBT-T support rail-to-rail analog signal operation?
Yes, the MAX4686EBT-T supports true rail-to-rail analog signal handling: signals from GND to V+ pass through the switch with minimal distortion or gain variation. This capability is confirmed by its RON flatness specification (≤1Ω over full signal range) and is critical for preserving signal fidelity in audio, sensor, and data-acquisition applications using the MAX4686EBT-T.
Is the MAX4686EBT-T pin-compatible with the MAX4687EBT-T or MAX4688EBT-T?
No - while all three share the same UCSP-6 package and bump layout, their pin functions differ: MAX4686EBT-T uses A1 as NO and A3 as COM; MAX4687EBT-T uses A1 as NC and A3 as COM; MAX4688EBT-T uses A1 as NO, A3 as COM, and A2 as NC. Swapping them without PCB redesign will result in incorrect signal routing or failure to operate.
What is the typical leakage current of the MAX4686EBT-T at room temperature?
The MAX4686EBT-T exhibits ±0.5nA maximum NO off-leakage current at TA = +25°C, as specified in the Electrical Characteristics table. This ultra-low leakage ensures minimal error in high-impedance circuits such as precision sensor interfaces or battery-monitoring paths where even picoamp-level currents affect accuracy.
Can the MAX4686EBT-T be used with a 1.8V logic supply?
No - the MAX4686EBT-T's digital input (IN) requires VIH ≥ +1.4V and VIL ≤ +0.5V, which are guaranteed only when V+ is ≥ +2.7V. While the device operates from +1.8V to +5.5V, its logic thresholds scale with V+, so a 1.8V supply yields insufficient noise margin. For 1.8V logic systems, use a level shifter or select a switch with dedicated 1.8V-tolerant inputs.
MAX4686EBT-T Specifications
- Product attributes
- Attribute value
- Manufacturer:
- Analog Devices Inc./Maxim Integrated
- Series:
- -
- Packaging:
- Bulk
- Product Status:
- Active
- Switch Circuit:
- SPST - NO
- Multiplexer/Demultiplexer Circuit:
- 1:1
- Number of Circuits:
- 1
- On-State Resistance (Max):
- 2.5Ohm
- Channel-to-Channel Matching (ΔRon):
- 300mOhm
- Voltage - Supply, Single (V+):
- 1.8V ~ 5.5V
- Voltage - Supply, Dual (V±):
- -
- Switch Time (Ton, Toff) (Max):
- 30ns, 12ns
- -3db Bandwidth:
- 200MHz
- Charge Injection:
- 40pC
- Channel Capacitance (CS(off), CD(off)):
- 12pF, 12pF
- Current - Leakage (IS(off)) (Max):
- 500pA
- Crosstalk:
- -95dB @ 100kHz
- Operating Temperature:
- -40°C ~ 85°C (TA)
- Grade:
- -
- Qualification:
- -
- Mounting Type:
- Surface Mount
- Supplier Device Package:
- 6-UCSP (1.57x1.05)
MAX4686EBT-T FAQ
1.How can I place an order for MAX4686EBT-T through Aetrix?
Please submit a Request for Quotation (RFQ) for MAX4686EBT-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 MAX4686EBT-T reliable?
The price and inventory of MAX4686EBT-T are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for MAX4686EBT-T is usually 5 days.
3.What payment methods are accepted for MAX4686EBT-T?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for MAX4686EBT-T transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for MAX4686EBT-T?
MAX4686EBT-T orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your MAX4686EBT-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 MAX4686EBT-T?
For technical support, including MAX4686EBT-T datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your MAX4686EBT-T requirements.
6.How does Aetrix verify that MAX4686EBT-T is sourced from the original manufacturer or authorized distributors?
All MAX4686EBT-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 MAX4686EBT-T meets industry standards.
7.What is the process for return or replacement of MAX4686EBT-T?
All MAX4686EBT-T units undergo pre-shipment inspection (PSI). If there is an issue with MAX4686EBT-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 MAX4686EBT-T part is unused and in its original packaging.
Return procedure for MAX4686EBT-T:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
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