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Analog Devices Inc./Maxim Integrated MAX4636EUB+TG51
- Part No.:
- MAX4636EUB+TG51
- Manufacturer:
- Analog Devices Inc./Maxim Integrated
- Package:
- -
- Datasheet:
-
MAX4636EUB+TG51.pdf
- Description:
- INTEGRATED CIRCUIT
- Quantity:
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Product details
Overview
MAX4636EUB+TG51 from Maxim Integrated is a dual single-pole/double-throw (SPDT) CMOS analog switch with 4Ω max on-resistance at +5V, 14ns max turn-on time, and rail-to-rail signal handling from +1.8V to +5.5V supply. It operates in battery-powered audio routing and low-voltage data-acquisition systems where low distortion (0.1% THD), high off-isolation (−65dB at 1MHz), and break-before-make switching are critical.
For engineers reviewing the MAX4636EUB+TG51 datasheet, MAX4636EUB+TG51 pinout, MAX4636EUB+TG51 application, or MAX4636EUB+TG51 equivalent, key selection criteria include guaranteed on-resistance flatness (≤1Ω at +5V), channel matching (≤0.2Ω), crosstalk (−67dB), and µMAX package compatibility for space-constrained PCB layouts.
Technical Context
The MAX4636EUB+TG51 implements two independent SPDT switches using CMOS process technology, with non-inverting logic control (IN1/IN2 directly enable NO_–COM_ path). Its architecture guarantees break-before-make timing (≤1ns) and supports bidirectional analog signal flow across the full V+ to GND range.
It features rail-to-rail input/output capability, 100Ω typical on-resistance over temperature, and logic inputs tolerant up to +5.5V-enabling direct interface with 5V controllers while operating from a +3.3V supply without level shifters.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| On-Resistance (max) | 4Ω at +5V supply - ensures minimal voltage drop and power loss in signal paths carrying up to ±30mA continuous current |
| On-Resistance Flatness (max) | 1Ω at +5V - maintains consistent gain and linearity across full analog signal swing (0V to V+) |
| Turn-On Time (max) | 14ns - enables high-speed multiplexing in sampling systems and fast-switching audio/video routing |
| Off-Isolation | −65dB at 1MHz - suppresses coupling between inactive channels in multi-signal environments |
| Crosstalk | −67dB at 1MHz - prevents interference between adjacent SPDT switch pairs sharing common supply and ground |
| Total Harmonic Distortion | 0.1% - preserves signal fidelity in audio and precision measurement applications |
| Supply Range | +1.8V to +5.5V single supply - supports direct integration into mixed-voltage systems including Li-ion powered devices |
Pinout & Package
The MAX4636EUB+TG51 is housed in a 10-pin µMAX package (3.0mm × 3.0mm × 0.8mm, no exposed pad), optimized for high-density analog routing. Pin numbering follows standard top-view orientation with Pin 1 marked by a dot or beveled corner.
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| 1 IN1 | Logic control input for Switch 1 | Active-high signal enabling NO1–COM1 path; compatible with 5V logic even at V+ = +1.8V |
| 2 NO1 | Normally open terminal of Switch 1 | Connects to COM1 only when IN1 = high; bidirectional analog node |
| 3 GND | Ground reference | Primary return path for analog signals and digital logic; must be low-impedance for THD and crosstalk performance |
| 4 NO2 | Normally open terminal of Switch 2 | Connects to COM2 only when IN2 = high; electrically isolated from NO1/NC1 |
| 5 IN2 | Logic control input for Switch 2 | Independent enable for second SPDT; allows asynchronous switching of two signal paths |
| 6 COM2 | Common terminal of Switch 2 | Central analog I/O node for Switch 2; supports rail-to-rail voltage swing (0V to V+) |
| 7 NC2 | Normally closed terminal of Switch 2 | Connected to COM2 when IN2 = low; provides default signal path during power-up or logic reset |
| 8 V+ | Positive supply input | Single supply rail powering both analog and digital sections; absolute max = +6V |
| 9 NC1 | Normally closed terminal of Switch 1 | Connected to COM1 when IN1 = low; complements NO1 for SPDT functionality |
| 10 COM1 | Common terminal of Switch 1 | Central analog I/O node for Switch 1; shares same electrical characteristics as COM2 |
Key Features
| Feature | Design Value |
|---|---|
| Rail-to-rail signal handling | Analog voltage range extends from GND to V+, enabling full utilization of supply headroom in low-voltage systems |
| Guaranteed channel matching | ≤0.2Ω on-resistance mismatch between Switch 1 and Switch 2 - critical for differential or balanced signal routing |
| Low charge injection | 2pC typical - minimizes voltage glitch on COM nodes during switching, essential for sample-and-hold accuracy |
| Logic-level tolerant inputs | IN1/IN2 accept up to +5.5V regardless of V+ - eliminates external level translators in mixed-supply designs |
| Break-before-make timing | ≤1ns guaranteed - prevents momentary short-circuit between NO_ and NC_ terminals during state transition |
Applications
| Audio Signal Routing | Low-Voltage Data Acquisition |
|---|---|
|
Use Scenario: Selecting between multiple microphone or line-level inputs in portable audio codecs. IC Role / Device Role / Timing Role: Dual SPDT switch routing analog audio paths with <0.1% THD and −67dB crosstalk to preserve stereo separation. Use Value: Enables compact, low-power input multiplexing without external op-amps or level shifters due to rail-to-rail operation and 1.8V compatibility. |
Use Scenario: Multiplexing sensor outputs (e.g., thermistors, RTDs) into a single ADC channel in battery-powered IoT nodes. IC Role / Device Role / Timing Role: Low-on-resistance (4Ω), low-leakage (<0.3nA) analog switch providing precise, low-error signal selection before digitization. Use Value: Minimizes gain error and offset drift across channels via guaranteed 0.2Ω RON matching and 1Ω flatness over full signal range. |
| Battery-Powered Test Equipment | Relay Replacement in Industrial Control |
|
Use Scenario: Configuring measurement ranges (voltage/current/resistance) in handheld multimeters with auto-ranging logic. IC Role / Device Role / Timing Role: Fast-switching (14ns tON), low-power analog switch enabling real-time reconfiguration without mechanical wear or bounce. Use Value: Extends battery life via sub-µA supply current and eliminates relay coil drive circuitry while maintaining >−65dB off-isolation. |
Use Scenario: Replacing electromechanical relays in PLC I/O modules for controlling 24V DC solenoids or indicator LEDs. IC Role / Device Role / Timing Role: Solid-state SPDT switch delivering reliable, bounce-free switching with 30mA continuous current rating per channel. Use Value: Reduces system size and improves MTBF by eliminating moving parts, while supporting 1.8–5.5V logic control and 5.5V analog signal handling. |
Equivalent & Alternatives
The following parts are listed as comparable options for similar dual SPDT analog switch applications.
| Alternative Part | Technical Difference | Application Difference | Selection Advice |
|---|---|---|---|
| MAX4636ETB+ | Same electrical specs but in 3mm × 3mm thin QFN (exposed pad); 1951mW max power dissipation vs. 330mW for µMAX | Better thermal performance in high-density or high-duty-cycle applications; requires different PCB land pattern | Select MAX4636ETB+ when board layout allows QFN and thermal management is critical; not pin-compatible with MAX4636EUB+TG51 |
| ADG732BRUZ | 16-channel SPST (not SPDT); 4.5Ω RON at +5V; 12ns tON; requires separate logic for SPDT emulation | Higher channel count but lacks native SPDT topology - increases GPIO and routing complexity for dual-path routing | Choose ADG732BRUZ only when scaling beyond two SPDT functions; MAX4636EUB+TG51 offers simpler control and guaranteed break-before-make |
Compared with MAX4636ETB+ and ADG732BRUZ, the MAX4636EUB+TG51 delivers native dual SPDT functionality in the smallest footprint (µMAX), with guaranteed timing and matching specs - making it optimal for space-constrained, low-power, and high-fidelity analog routing where pin count and layout simplicity matter.
Availability
MAX4636EUB+TG51 is available at Aetrix Electronics and suitable for battery-powered equipment, audio signal routing, and low-voltage data-acquisition systems requiring stable component supply and long-term manufacturability.
Supply support for MAX4636EUB+TG51 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, communications, and consumer applications.
The MAX4635/MAX4636 product line was designed for low-voltage, high-speed analog signal routing in portable and space-constrained systems-emphasizing rail-to-rail operation, low THD, and guaranteed switching specifications.
FAQ
What is the maximum supply voltage for MAX4636EUB+TG51?
The absolute maximum supply voltage (V+) for MAX4636EUB+TG51 is +6V. Operation above this rating risks permanent damage. The device is specified for reliable operation from +1.8V to +5.5V, with on-resistance and switching speed degrading slightly below +2.7V. Always observe proper power-supply sequencing: apply V+ before analog signals to avoid latch-up or ESD stress.
Does MAX4636EUB+TG51 support rail-to-rail analog signals?
Yes, MAX4636EUB+TG51 supports true rail-to-rail analog signal handling: the analog voltage range on COM_, NO_, and NC_ pins extends from GND to V+ across the full operating temperature range (−40°C to +85°C). This is enabled by its CMOS process and internal level-shifting design, ensuring minimal on-resistance variation (<1Ω flatness at +5V) over the entire signal swing.
How does the logic polarity of MAX4636EUB+TG51 differ from MAX4635EUB?
MAX4636EUB+TG51 uses non-inverting logic: when IN1 = high, the NO1–COM1 path closes; when IN1 = low, the NC1–COM1 path closes. In contrast, MAX4635EUB implements inverted logic - its truth table swaps the active states. This difference is hardwired in silicon and cannot be configured; selecting MAX4636EUB+TG51 avoids external inverters in systems with active-high control signals.
Can MAX4636EUB+TG51 interface with 5V logic while running from a 3.3V supply?
Yes, MAX4636EUB+TG51 logic inputs (IN1, IN2) tolerate voltages up to +5.5V regardless of V+ level. When V+ = +3.3V, VIH remains +2.4V (min), allowing direct connection to 5V microcontroller GPIOs without level-shifting circuitry. Input leakage stays below ±100nA, preserving signal integrity and minimizing loading on upstream drivers.
What is the thermal performance difference between MAX4636EUB+TG51 and MAX4636ETB+?
MAX4636EUB+TG51 in µMAX has a thermal resistance θJA of ~213°C/W (330mW max power at +70°C, derated 4.7mW/°C above), while MAX4636ETB+ in thin QFN achieves θJA ≈ 51°C/W (1951mW max at +70°C, derated 24.4mW/°C). The QFN version dissipates ~6× more power under identical conditions - making it preferable for high-duty-cycle or ambient-temperature >+60°C applications where the µMAX may thermally saturate.
MAX4636EUB+TG51 Specifications
- Product attributes
- Attribute value
- Manufacturer:
- Analog Devices Inc./Maxim Integrated
- Series:
- -
- Packaging:
- Tape & Reel (TR)
- 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:
- -
MAX4636EUB+TG51 FAQ
1.How can I place an order for MAX4636EUB+TG51 through Aetrix?
Please submit a Request for Quotation (RFQ) for MAX4636EUB+TG51 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 MAX4636EUB+TG51 reliable?
The price and inventory of MAX4636EUB+TG51 are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for MAX4636EUB+TG51 is usually 5 days.
3.What payment methods are accepted for MAX4636EUB+TG51?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for MAX4636EUB+TG51 transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for MAX4636EUB+TG51?
MAX4636EUB+TG51 orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your MAX4636EUB+TG51 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 MAX4636EUB+TG51?
For technical support, including MAX4636EUB+TG51 datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your MAX4636EUB+TG51 requirements.
6.How does Aetrix verify that MAX4636EUB+TG51 is sourced from the original manufacturer or authorized distributors?
All MAX4636EUB+TG51 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 MAX4636EUB+TG51 meets industry standards.
7.What is the process for return or replacement of MAX4636EUB+TG51?
All MAX4636EUB+TG51 units undergo pre-shipment inspection (PSI). If there is an issue with MAX4636EUB+TG51, 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 MAX4636EUB+TG51 part is unused and in its original packaging.
Return procedure for MAX4636EUB+TG51:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
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