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Analog Devices Inc./Maxim Integrated MAX4636EUB+TG035
- Part No.:
- MAX4636EUB+TG035
- Manufacturer:
- Analog Devices Inc./Maxim Integrated
- Package:
- -
- Datasheet:
-
MAX4636EUB+TG035.pdf
- Description:
- INTEGRATED CIRCUIT
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Product details
Overview
MAX4636EUB+TG035 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 leakage (<0.3nA), high off-isolation (–65dB at 1MHz), and break-before-make switching are critical.
For engineers reviewing the MAX4636EUB+TG035 datasheet, MAX4636EUB+TG035 pinout, MAX4636EUB+TG035 application, or MAX4636EUB+TG035 equivalent, key selection criteria include guaranteed on-resistance flatness (≤1Ω at +5V), channel matching (≤0.2Ω), THD (0.1%), and compatibility with 1.8V logic control while supporting 5.5V analog signals.
Technical Context
The MAX4636EUB+TG035 implements two independent SPDT switches using CMOS process technology, with noninverting logic control (IN1/IN2 high = NO_ connected to COM_). Its architecture guarantees break-before-make timing (≤1ns) and supports bidirectional analog signal flow across the full V+ to GND range.
It features integrated ESD protection and rail-to-rail operation without external level shifters - logic inputs tolerate up to +5.5V regardless of V+ (e.g., 3.3V supply with 5V GPIO), and analog terminals handle signals from GND to V+ with ≤1Ω on-resistance variation over that range at +5V.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| On-Resistance (max) | 4Ω at +5V supply - enables <10mV drop at 2.5mA signal current, suitable for precision sensor multiplexing |
| On-Resistance Flatness (max) | 1Ω at +5V - ensures consistent gain/attenuation across full analog input range (0V to V+) |
| Turn-On Time (max) | 14ns - supports >30MHz digital signal routing and fast sample-and-hold settling |
| Off-Isolation | –65dB at 1MHz - suppresses crosstalk between active and inactive channels in multi-source audio/video systems |
| THD | 0.1% - preserves fidelity in line-level audio signal switching without audible distortion |
| Supply Range | +1.8V to +5.5V - allows direct integration into mixed-voltage systems (e.g., 1.8V MCU + 3.3V analog rails) |
| Logic Compatibility | VIH = 2.4V min at +5V supply - interfaces directly with 3.3V and 5V CMOS outputs without level translation |
Pinout & Package
The MAX4636EUB+TG035 is housed in a 10-pin µMAX package (3.0mm × 3.0mm × 0.8mm, no exposed pad), optimized for space-constrained portable designs. 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: drives NO1→COM1 path when high; NC1→COM1 when low |
| NO1 | Normally open terminal, Switch 1 | Connected to COM1 only when IN1 = high; isolated otherwise |
| GND | Ground reference | Return path for supply and logic; must be low-impedance for THD and crosstalk performance |
| NO2 | Normally open terminal, Switch 2 | Connected to COM2 only when IN2 = high; shares same logic polarity as IN1 |
| IN2 | Logic control input for Switch 2 | Independent of IN1; enables asynchronous routing of two signal paths |
| COM2 | Common terminal, Switch 2 | Signal I/O node - bidirectional, supports rail-to-rail voltage swing (0V to V+) |
| NC2 | Normally closed terminal, Switch 2 | Connected to COM2 only when IN2 = low; provides default signal path during power-up |
| V+ | Positive supply | Single supply input (1.8V–5.5V); powers analog and digital sections; decoupling required near pin |
| NC1 | Normally closed terminal, Switch 1 | Provides fail-safe connection to COM1 when IN1 = low; complements NO1 functionality |
| COM1 | Common terminal, Switch 1 | Primary signal interface point - connects to either NO1 or NC1 based on IN1 state |
Key Features
| Feature | Design Value |
|---|---|
| Rail-to-rail analog signal handling | Supports full-swing signals from GND to V+ without clipping or increased RON - essential for audio and sensor front-ends |
| Guaranteed channel-to-channel on-resistance match | ≤0.2Ω max mismatch - enables precise differential signal routing and matched gain paths in instrumentation |
| Low charge injection (2pC typ) | Minimizes voltage glitch on COM_ during switching - critical for sample-and-hold and ADC multiplexing accuracy |
| High off-isolation and low crosstalk | –65dB off-isolation / –67dB crosstalk at 1MHz - prevents signal bleed between adjacent audio/video channels |
| Break-before-make switching | Guaranteed ≤1ns interval - eliminates momentary short-circuit between NO_ and NC_ paths during state transition |
Applications
| Audio Signal Routing | Portable Data Acquisition |
|---|---|
Use Scenario: Selecting between multiple microphone or line-in sources in a Bluetooth speaker or voice assistant device. IC Role / Device Role / Timing Role: Dual SPDT switch routes analog audio paths under MCU GPIO control; noninverting logic simplifies firmware mapping. Use Value: 0.1% THD and rail-to-rail operation preserve signal integrity; 4Ω RON avoids loading effects on high-impedance sources. | Use Scenario: Multiplexing sensor outputs (thermistor, accelerometer, ambient light) into a single ADC input on a wearable health monitor. IC Role / Device Role / Timing Role: Low-leakage (<0.3nA) analog switch isolates inactive sensors to prevent measurement error and cross-talk. Use Value: 1Ω on-resistance flatness ensures consistent scaling across all channels; 1.8V operation extends battery life. |
| Relay Replacement | Communications Interface Switching |
Use Scenario: Replacing electromechanical relays in industrial IO modules for dry-contact simulation and signal path reconfiguration. IC Role / Device Role / Timing Role: Solid-state SPDT switch provides >1M cycle reliability, zero bounce, and microsecond switching vs. 10ms relay actuation. Use Value: 30mA continuous current rating supports PLC-level signal levels; –65dB off-isolation meets IEC 61000-4-5 immunity requirements. | Use Scenario: Dynamically routing RS-232/RS-485 or USB D+/D– lines between host processor and multiple peripherals in embedded test equipment. IC Role / Device Role / Timing Role: Bidirectional CMOS switch handles full-speed digital signaling with minimal jitter; 14ns tON supports >30Mbps data rates. Use Value: Logic-tolerant inputs allow direct connection to 5V UART controllers even with 3.3V V+, eliminating level-shifter components. |
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 not present); 1951mW max power dissipation vs. 330mW for µMAX | Better thermal performance in high-density layouts; requires different PCB footprint and reflow profile | Select ETB+ for higher power or thermally constrained designs; EUB+ preferred for legacy µMAX-compatible boards |
| ADG726BRUZ | Higher on-resistance (6.5Ω typ), slower switching (25ns tON), but offers 1.8V logic compatibility down to 1.65V supply | Lower supply voltage margin; less suitable for 5V-tolerant logic interfacing without external buffers | Choose ADG726BRUZ only if sub-1.8V operation is mandatory; MAX4636EUB+TG035 superior for 1.8V–5.5V flexibility and speed |
Compared with MAX4636ETB+ and ADG726BRUZ, the MAX4636EUB+TG035 delivers optimal balance of speed (14ns tON), low RON (4Ω), and 5.5V-tolerant logic - making it the preferred choice for space-limited, battery-powered systems requiring robust mixed-voltage signal routing.
Availability
MAX4636EUB+TG035 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 manufacturing continuity.
Supply support for MAX4636EUB+TG035 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 and mixed-signal ICs for industrial, communications, and consumer applications.
The MAX4635/MAX4636 product line was designed specifically for low-voltage, high-fidelity analog signal routing in portable and power-sensitive systems - emphasizing rail-to-rail operation, low THD, and logic-voltage flexibility.
FAQ
What is the maximum supply voltage rating for the MAX4636EUB+TG035?
The MAX4636EUB+TG035 has an absolute maximum supply voltage (V+) of +6V, but its specified operating range is +1.8V to +5.5V. Operation above +5.5V risks exceeding absolute maximum ratings and may cause permanent damage. The device is rated for continuous operation at +5.5V with full parameter guarantees per the datasheet's electrical characteristics tables.
Does the MAX4636EUB+TG035 support bidirectional signal flow?
Yes, the MAX4636EUB+TG035 supports fully bidirectional analog signal flow on all switched terminals (NO_, NC_, COM_). This is inherent to its CMOS transmission-gate architecture - signal direction is determined by external circuitry, not internal design. The device maintains symmetric on-resistance and capacitance whether driving from COM_ to NO_ or vice versa, enabling flexible routing in both source and load configurations.
How does the logic polarity of the MAX4636EUB+TG035 differ from the MAX4635EUB?
The MAX4636EUB+TG035 uses noninverting logic control: a logic-high input (IN1 or IN2) connects the corresponding NO_ terminal to COM_. In contrast, the MAX4635EUB implements inverted logic - logic-high selects NC_ instead. This difference is hardwired in silicon and cannot be configured; selecting MAX4636EUB+TG035 avoids firmware inversion when routing signals to normally-open paths by default.
Can the MAX4636EUB+TG035 safely interface with 5V logic while powered from a 3.3V supply?
Yes, the MAX4636EUB+TG035 logic inputs (IN1, IN2) tolerate voltages up to +5.5V independent of V+ supply level. When V+ = +3.3V, VIH remains 2.4V (min), allowing direct connection to standard 5V TTL/CMOS outputs without level shifters. This feature is explicitly guaranteed in the datasheet's "Digital I/O" section and verified across temperature and process corners.
What is the guaranteed on-resistance flatness specification for the MAX4636EUB+TG035 at +3V supply?
At +3V supply, the MAX4636EUB+TG035 guarantees on-resistance flatness (RFLAT(ON)) of ≤2.5Ω over the full analog signal range (0V to V+), as specified in the +3V Electrical Characteristics table. This value reflects the peak-to-peak variation in RON across the signal swing and is tested across temperature (–40°C to +85°C); typical flatness is significantly better (±0.01Ω) at +25°C.
MAX4636EUB+TG035 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+TG035 FAQ
1.How can I place an order for MAX4636EUB+TG035 through Aetrix?
Please submit a Request for Quotation (RFQ) for MAX4636EUB+TG035 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+TG035 reliable?
The price and inventory of MAX4636EUB+TG035 are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for MAX4636EUB+TG035 is usually 5 days.
3.What payment methods are accepted for MAX4636EUB+TG035?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for MAX4636EUB+TG035 transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for MAX4636EUB+TG035?
MAX4636EUB+TG035 orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your MAX4636EUB+TG035 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+TG035?
For technical support, including MAX4636EUB+TG035 datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your MAX4636EUB+TG035 requirements.
6.How does Aetrix verify that MAX4636EUB+TG035 is sourced from the original manufacturer or authorized distributors?
All MAX4636EUB+TG035 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+TG035 meets industry standards.
7.What is the process for return or replacement of MAX4636EUB+TG035?
All MAX4636EUB+TG035 units undergo pre-shipment inspection (PSI). If there is an issue with MAX4636EUB+TG035, 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+TG035 part is unused and in its original packaging.
Return procedure for MAX4636EUB+TG035:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
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