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Analog Devices Inc./Maxim Integrated MAX4636EUB+T
- Part No.:
- MAX4636EUB+T
- Manufacturer:
- Analog Devices Inc./Maxim Integrated
- Package:
- 10-TFSOP, 10-MSOP (0.118", 3.00mm Width)
- Datasheet:
-
MAX4636EUB+T.pdf
- Description:
- IC SWITCH SPDT X 2 4OHM 10UMAX
- Quantity:
- Payment:
- Shipping:
Inventory:2,663
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Product details
Overview
MAX4636EUB+T 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 features independent channel control, break-before-make switching, and low crosstalk (–67dB at 1MHz), making it suitable for audio routing and low-voltage data-acquisition systems.
For engineers reviewing the MAX4636EUB+T datasheet, MAX4636EUB+T pinout, MAX4636EUB+T application, or MAX4636EUB+T equivalent, key selection criteria include guaranteed on-resistance flatness (≤1Ω at +5V), logic-level tolerance up to +5.5V regardless of V+, and µMAX package compatibility with space-constrained PCB layouts.
Technical Context
The MAX4636EUB+T implements two independent SPDT switches using CMOS process technology, with noninverting logic control (IN1/IN2 high = NO_ connected to COM_). Its break-before-make architecture prevents momentary shorting between NC_ and NO_ paths during state transitions.
Signal integrity is maintained via rail-to-rail analog operation, low charge injection (2pC typical at +5V), and matched on-resistance (≤0.2Ω max between channels), enabling precise signal routing in bidirectional audio and sensor interfaces without level-shifting circuitry.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| On-Resistance (max) | 4Ω at +5V supply - enables ≤10mA continuous current per channel with <20mV drop at full scale |
| Turn-On Time (max) | 14ns - supports >30MHz digital signal routing and fast multiplexing in sampling systems |
| Rail-to-Rail Signal Range | 0V to V+ - preserves full dynamic range of baseband audio and sensor signals without clipping |
| Crosstalk (at 1MHz) | –67dB - isolates adjacent channels in multi-source audio/video switching applications |
| Off-Isolation (at 1MHz) | –65dB - prevents leakage from active to inactive signal paths in relay-replacement circuits |
| Supply Voltage Range | +1.8V to +5.5V - operates directly from Li-ion battery, 3.3V logic, or 5V legacy rails without regulators |
| Logic Input Tolerance | +5.5V absolute max - allows direct interfacing with 5V microcontrollers while powered from 3.3V or lower |
Pinout & Package
The MAX4636EUB+T is housed in a 10-pin µMAX package (3.0mm × 3.0mm × 0.8mm, no exposed pad), optimized for high-density analog routing. Pin 1 is marked by a dot; pin numbering follows standard counter-clockwise orientation from top-left corner.
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| IN1 | Logic control input for Switch 1 | Active-high: high voltage connects NO1 to COM1; low voltage connects NC1 to COM1 |
| NO1 | Normally open terminal, Switch 1 | Open-circuit path when IN1 = low; forms closed path with COM1 when IN1 = high |
| GND | Ground reference | Return path for supply current and logic thresholds; must be low-impedance for THD < 0.1% |
| NO2 | Normally open terminal, Switch 2 | Independent of Switch 1; enables dual-path routing without shared control logic |
| IN2 | Logic control input for Switch 2 | Noninverting control identical to IN1; allows asynchronous switching of both SPDTs |
| COM2 | Common terminal, Switch 2 | Bidirectional node: accepts analog input or delivers output depending on signal flow direction |
| NC2 | Normally closed terminal, Switch 2 | Closed path with COM2 when IN2 = low; breaks before NO2 closes during transition |
| V+ | Positive supply input | Accepts +1.8V to +5.5V; powers internal CMOS gate drive and analog pass transistors |
| NC1 | Normally closed terminal, Switch 1 | Provides complementary path to NO1; ensures no floating node during switching |
| COM1 | Common terminal, Switch 1 | Primary signal interface point; routed to either NO1 or NC1 based on IN1 state |
Key Features
| Feature | Design Value |
|---|---|
| Guaranteed on-resistance match | ≤0.2Ω max between channels - eliminates gain mismatch in differential signal routing |
| Rail-to-rail analog operation | Full V+ to GND signal swing preserved - avoids external biasing in single-supply audio stages |
| Low THD | 0.1% at 20Hz–20kHz - maintains fidelity in line-level audio switching without post-filtering |
| Break-before-make timing | 1ns min interval - prevents momentary short-circuits in power-sensitive analog front-ends |
| Low off-isolation degradation | –65dB maintained up to 10MHz - ensures RF-adjacent signal integrity in mixed-signal PCBs |
Applications
| Audio Signal Routing | Low-Voltage Data Acquisition |
|---|---|
Use Scenario: Selecting between microphone inputs or headphone outputs in portable media players. IC Role / Device Role / Timing Role: Dual SPDT analog switch providing bidirectional, low-distortion signal path selection under microcontroller GPIO control. Use Value: 0.1% THD and rail-to-rail operation preserve audio fidelity across 1.8V–5.5V battery discharge range. | Use Scenario: Multiplexing sensor outputs (e.g., thermistor, accelerometer) into a single ADC channel. IC Role / Device Role / Timing Role: Low-leakage (<0.3nA off-state), low-on-resistance analog switch enabling accurate DC-coupled measurements. Use Value: ≤4Ω RON and ≤1Ω flatness minimize gain error and channel-to-channel offset in precision measurement systems. |
| Relay Replacement | Communications Circuit Switching |
Use Scenario: Replacing electromechanical relays in industrial I/O modules to reduce size and improve reliability. IC Role / Device Role / Timing Role: Solid-state SPDT switch delivering contactless, bounce-free switching with 14ns response. Use Value: 30mA continuous current rating and –65dB off-isolation meet functional safety requirements for isolated signal conditioning. | Use Scenario: Routing RF IF signals or baseband data streams between transceiver ICs and antenna switches. IC Role / Device Role / Timing Role: High-speed analog switch supporting fast reconfiguration of signal paths in software-defined radio front-ends. Use Value: –67dB crosstalk at 1MHz and 14ns tON enable clean signal separation in multi-channel communication subsystems. |
Equivalent & Alternatives
The following parts are listed as comparable options for similar analog switch applications.
| Alternative Part | Technical Difference | Application Difference | Selection Advice |
|---|---|---|---|
| ADG736BRMZ-REEL | 4.5Ω max RON at +5V; 16ns tON; 10-lead MSOP package | Slightly higher propagation delay; same µMAX footprint-compatible pinout but different pin mapping | Select for ADI ecosystem integration where MSOP thermal performance is prioritized over µMAX board area |
| TS5A3159DBVR | 0.75Ω max RON at +5V; 10ns tON; 6-pin SOT-23 package | Single SPDT only; lower on-resistance but no dual-channel integration | Choose when board space permits discrete switches and ultra-low RON is critical for high-current sensor interfaces |
Compared with ADG736BRMZ-REEL and TS5A3159DBVR, the MAX4636EUB+T provides optimal balance of dual-channel integration, 4Ω RON, and µMAX footprint-making it preferred for compact, battery-powered systems requiring simultaneous audio and sensor routing without layout redesign.
Availability
MAX4636EUB+T is available at Aetrix Electronics and suitable for audio signal routing, low-voltage data-acquisition systems, and relay replacement applications requiring stable component supply across industrial temperature ranges (–40°C to +85°C).
Supply support for MAX4636EUB+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) designs precision analog and mixed-signal ICs for industrial, communications, and consumer applications.
The MAX4635/MAX4636 product line targets low-voltage, high-fidelity analog signal routing in space-constrained, battery-operated equipment-emphasizing rail-to-rail operation, low THD, and fast switching without external level shifters.
FAQ
What is the maximum supply voltage rating for MAX4636EUB+T?
The MAX4636EUB+T has an absolute maximum supply voltage (V+) of +6V, but its specified operating range is +1.8V to +5.5V. Exceeding +6V risks permanent damage. The device guarantees full parametric performance-including 4Ω max on-resistance and 14ns max turn-on time-only within the +4.5V to +5.5V range per the datasheet's electrical characteristics table. Operation at +5.5V is safe and supported.
Does MAX4636EUB+T support bidirectional analog signal flow?
Yes, MAX4636EUB+T supports fully bidirectional analog signal flow on all COM_, NO_, and NC_ pins. The CMOS transmission-gate architecture imposes no inherent directionality: signals may enter through COM1 and exit via NO1, or vice versa, with identical on-resistance and distortion performance. This enables flexible use in both source-selection and load-driving configurations without redesigning signal paths.
How does the logic polarity of MAX4636EUB+T differ from MAX4635EUB+T?
The MAX4636EUB+T uses noninverting logic: a high-level input on IN1 or IN2 connects the corresponding NO_ terminal to COM_. In contrast, the MAX4635EUB+T uses inverted logic-high input connects NC_ to COM_. This difference is explicit in the datasheet's pin configuration diagrams and truth tables. Interchanging the two without logic inversion will reverse switch states, causing incorrect signal routing.
Can MAX4636EUB+T operate with a 3.3V supply while accepting 5V logic inputs?
Yes, MAX4636EUB+T logic inputs (IN1, IN2) tolerate voltages up to +5.5V regardless of V+ level. When powered from +3.3V, it correctly interprets 5V TTL/CMOS logic levels without external level shifters. This is confirmed in the "Logic Inputs" section of the datasheet and verified in the +3V supply electrical characteristics table, where VIH is specified at +2.0V minimum-well below 5V.
What is the thermal performance of the µMAX package used in MAX4636EUB+T?
The MAX4636EUB+T in the 10-pin µMAX package has a thermal resistance θJA of 213°C/W (calculated from 330mW max power dissipation at +70°C ambient and 4.7mW/°C derating). At 1mA per channel and 5V supply, typical power dissipation is <1µW-well below thermal limits. The package lacks an exposed pad, so PCB copper area and airflow dominate thermal management in high-density layouts.
MAX4636EUB+T Specifications
- Product attributes
- Attribute value
- Manufacturer:
- Analog Devices Inc./Maxim Integrated
- Series:
- -
- Packaging:
- Tape & Reel (TR)
- Product Status:
- Active
- Switch Circuit:
- SPDT
- Multiplexer/Demultiplexer Circuit:
- 2:1
- Number of Circuits:
- 2
- On-State Resistance (Max):
- 4Ohm
- Channel-to-Channel Matching (ΔRon):
- 100mOhm
- Voltage - Supply, Single (V+):
- 1.8V ~ 5.5V
- Voltage - Supply, Dual (V±):
- -
- Switch Time (Ton, Toff) (Max):
- 14ns, 6ns
- -3db Bandwidth:
- -
- Charge Injection:
- 2pC
- Channel Capacitance (CS(off), CD(off)):
- 9pF
- Current - Leakage (IS(off)) (Max):
- 100pA
- Crosstalk:
- -67dB @ 1MHz
- Operating Temperature:
- -40°C ~ 85°C (TA)
- Grade:
- -
- Qualification:
- -
- Mounting Type:
- Surface Mount
- Supplier Device Package:
- 10-uMAX/uSOP
MAX4636EUB+T FAQ
1.How can I place an order for MAX4636EUB+T through Aetrix?
Please submit a Request for Quotation (RFQ) for MAX4636EUB+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 MAX4636EUB+T reliable?
The price and inventory of MAX4636EUB+T are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for MAX4636EUB+T is usually 5 days.
3.What payment methods are accepted for MAX4636EUB+T?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for MAX4636EUB+T transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for MAX4636EUB+T?
MAX4636EUB+T orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your MAX4636EUB+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 MAX4636EUB+T?
For technical support, including MAX4636EUB+T datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your MAX4636EUB+T requirements.
6.How does Aetrix verify that MAX4636EUB+T is sourced from the original manufacturer or authorized distributors?
All MAX4636EUB+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 MAX4636EUB+T meets industry standards.
7.What is the process for return or replacement of MAX4636EUB+T?
All MAX4636EUB+T units undergo pre-shipment inspection (PSI). If there is an issue with MAX4636EUB+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 MAX4636EUB+T part is unused and in its original packaging.
Return procedure for MAX4636EUB+T:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
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