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Analog Devices Inc./Maxim Integrated MAX4544CUA+T
- Part No.:
- MAX4544CUA+T
- Manufacturer:
- Analog Devices Inc./Maxim Integrated
- Package:
- 8-TSSOP, 8-MSOP (0.118", 3.00mm Width)
- Datasheet:
-
MAX4544CUA+T.pdf
- Description:
- IC SWITCH SPDT X 1 60OHM 8UMAX
- Quantity:
- Payment:
- Shipping:
Inventory:3,887
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Product details
Overview
The MAX4544CUA+T from Maxim Integrated is a single-pole/double-throw (SPDT) analog switch optimized for precision signal routing in low-voltage, single-supply systems. It operates from +2.7V to +12V, delivers 60Ω max on-resistance (RON), 5pC max charge injection, 35ns typical turn-on time, and guarantees break-before-make switching - making it suitable for audio/video multiplexing, battery-powered instrumentation, and +3.3V/+5V ADC/DAC interface applications.
For engineers reviewing the MAX4544CUA+T datasheet, MAX4544CUA+T pinout, MAX4544CUA+T application, or MAX4544CUA+T equivalent, key selection criteria include SPDT topology with guaranteed break-before-make timing, SOT23-6 footprint compatibility, RON flatness ≤6Ω, <100pA leakage at +85°C, and TTL/CMOS logic compatibility across its full supply range.
Technical Context
The MAX4544CUA+T implements a CMOS transmission-gate architecture with integrated level-shifting logic to ensure rail-to-rail analog signal handling (0V to V+) and robust TTL/CMOS input compatibility across +2.7V–+12V operation. Its internal control circuitry enforces strict break-before-make timing (2ns–10ns delay) between NC and NO paths during state transitions.
Designed for bidirectional signal flow, the device supports analog signals on COM, NO, and NC pins without polarity restriction. All terminals tolerate voltages up to V+ + 0.3V, with internal diode clamping and >2000V HBM ESD protection per Method 3015.7.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| Topology | Single-pole/double-throw (SPDT) analog switch with guaranteed break-before-make |
| Supply Range | +2.7V to +12V single supply - enables direct integration into 3.3V and 5V systems without level shifters |
| RON (max) | 60Ω at +5V - ensures minimal signal attenuation and distortion in precision sensor or audio paths |
| RON Flatness (max) | 6Ω - maintains consistent gain and linearity over full analog signal range (0V to V+) |
| Charge Injection (max) | 5pC - limits voltage glitch on sampled nodes in precision data acquisition and sample-and-hold circuits |
| tON / tOFF (typ) | 35ns / 25ns at +5V - supports high-speed multiplexing in real-time signal conditioning and test equipment |
| Leakage (max) | 10nA at +85°C - preserves accuracy in high-impedance sensor front-ends and battery-monitoring circuits |
Pinout & Package
SOT23-6 package (3.0mm × 1.7mm × 1.3mm body, 0.95mm pitch), thermally enhanced with exposed pad (EP) connected to V+ per datasheet recommendation.
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| 1 (NO) | Normally Open switch terminal | Connects to COM when IN = high; open-circuit when IN = low - defines active-high SPDT path |
| 2 (COM) | Common analog terminal | Bidirectional I/O node routed to either NO or NC depending on logic state of IN |
| 3 (NC) | Normally Closed switch terminal | Connects to COM when IN = low; open-circuit when IN = high - complementary path to NO |
| 4 (GND) | Ground reference | Analog and digital ground return; must be low-impedance for optimal RON stability and noise rejection |
| 5 (V+) | Positive supply input | Single power rail for analog and logic sections; EP (exposed pad) tied to this pin for thermal performance |
| 6 (IN) | Digital control input | TTL/CMOS-compatible logic input; high = connect COM to NO, low = connect COM to NC |
Key Features
| Feature | Design Value |
|---|---|
| Guaranteed break-before-make | Ensures no momentary short between NO and NC paths - critical for preventing signal contention in mixed-signal routing |
| Rail-to-rail analog signal range | Supports 0V to V+ signals bidirectionally without degradation - eliminates need for external biasing in ±5V-referenced systems |
| Low 5pC charge injection | Minimizes settling error and offset drift in high-resolution sampling systems using capacitive hold networks |
| 2000V+ ESD protection | Meets Method 3015.7 - enables robust handling in manual assembly and field-deployed test equipment |
| 6Ω max RON flatness | Maintains amplitude fidelity across full input voltage swing - essential for wide-dynamic-range audio and video switching |
Applications
| Audio Multiplexing | Portable Instrumentation |
|---|---|
Use Scenario: Routing multiple microphone or line-level inputs to a single ADC channel in handheld test meters or audio analyzers. IC Role / Device Role / Timing Role: SPDT analog switch providing isolated signal path selection with break-before-make to prevent cross-talk during channel changes. Use Value: 35ns switching speed and <5pC charge injection preserve signal integrity and minimize transient glitches during real-time sampling. | Use Scenario: Selecting between sensor outputs (e.g., thermocouple, RTD, pressure transducer) in battery-powered data loggers. IC Role / Device Role / Timing Role: Low-leakage (10nA max @ +85°C), low-power (5µW) SPDT switch enabling high-impedance sensor interface without loading errors. Use Value: 60Ω RON and 6Ω flatness ensure measurement accuracy across temperature, while +2.7V operation extends battery life. |
| +3.3V DAC Output Switching | Heads-Up Display (HUD) Signal Routing |
Use Scenario: Multiplexing outputs from dual-channel DACs to shared analog output stages in industrial PLC modules. IC Role / Device Role / Timing Role: Precision SPDT switch interfacing with 3.3V logic-controlled DACs, supporting rail-to-rail analog swing up to V+. Use Value: TTL/CMOS-compatible IN pin accepts 0–3.3V logic directly; 5pC charge injection prevents DAC output step errors. | Use Scenario: Selecting between primary and backup video sources feeding an automotive HUD controller. IC Role / Device Role / Timing Role: High-reliability SPDT switch with >2000V ESD protection and guaranteed break-before-make for fault-tolerant video path management. Use Value: 60Ω RON and low crosstalk (-90dB) maintain video signal fidelity; SOT23-6 footprint supports compact layout in space-constrained dashboards. |
Equivalent & Alternatives
The following parts are listed as comparable options for similar SPDT analog switch applications.
| Alternative Part | Technical Difference | Application Difference | Selection Advice |
|---|---|---|---|
| MAX4544EUT-T | Same silicon, -40°C to +85°C extended temp grade; top mark AAAM; SOT23-6 package with exposed pad | Required for automotive or industrial environments exceeding 70°C ambient | Select MAX4544EUT-T when operating temperature exceeds 0°C to +70°C industrial grade limits |
| ADG774ACBZ-REEL7 | 3.3V/5V-only SPDT (1.8V–5.5V), 4.5Ω typ RON, 1.5pC charge injection, WLCSP-6 package | Lower RON and charge injection but narrower supply range and different footprint | Choose ADG774ACBZ-REEL7 only if supply is strictly ≤5.5V and ultra-low distortion is prioritized over wide-voltage flexibility |
Compared with MAX4544CUA+T, the MAX4544EUT-T offers identical electrical performance with extended temperature support, while the ADG774ACBZ-REEL7 trades wider supply range and SOT23-6 compatibility for lower RON and charge injection - requiring PCB redesign and supply constraint validation.
Availability
MAX4544CUA+T is available at Aetrix Electronics and suitable for audio multiplexing, portable instrumentation, and +3.3V DAC output switching requiring stable component supply, long-term lifecycle assurance, and traceable sourcing.
Supply support for MAX4544CUA+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, mixed-signal, and power management ICs for industrial, medical, communications, and consumer applications.
The MAX4541–MAX4544 family targets low-voltage, single-supply analog signal routing where low leakage, fast switching, and guaranteed break-before-make are mandatory - especially in battery-operated and high-fidelity signal-path systems.
FAQ
What is the maximum supply voltage rating for the MAX4544CUA+T?
The MAX4544CUA+T has an absolute maximum supply voltage (V+) of +13V, but its specified operational range is +2.7V to +12V. Operating above +12V risks violating recommended conditions, even though +13V is tolerated briefly under absolute maximum ratings. For reliable long-term use, keep V+ ≤ +12V as defined in the Electrical Characteristics tables.
Does the MAX4544CUA+T support rail-to-rail analog signals?
Yes, the MAX4544CUA+T supports analog signals from 0V to V+ on COM, NO, and NC pins - confirmed by the "Analog Signal Range" specification (0 to V+) and bidirectional operation description. This allows full utilization of the supply rail without external biasing, critical for precision signal chains in 3.3V and 5V systems.
Is the MAX4544CUA+T pin-compatible with other devices in the MAX454x family?
No - the MAX4544CUA+T uses a 6-pin SOT23-6 package, while MAX4541/MAX4542/MAX4543 variants use 8-pin packages (SOT23-8, µMAX, SO, etc.). Pin count, pinout, and footprint differ fundamentally; direct replacement requires PCB redesign. Only MAX4544EUT-T shares identical SOT23-6 pinout and function.
What does "guaranteed break-before-make" mean for the MAX4544CUA+T?
Guaranteed break-before-make means the MAX4544CUA+T ensures the NC path opens *before* the NO path closes (or vice versa) during logic transitions, with a minimum break interval of 2ns and maximum of 10ns. This prevents momentary shorting between NO and NC terminals - a requirement for safe signal routing in systems where path contention could damage downstream circuitry.
Can the MAX4544CUA+T operate from a +3.3V supply?
Yes, the MAX4544CUA+T is fully specified for +3.3V operation: RON = 50Ω–125Ω (typ/max), tON = 80ns–400ns, and leakage remains ≤10nA at +85°C. Its +2.7V–+12V range makes it ideal for modern low-voltage systems, and logic inputs accept 0–3.3V directly without level shifting.
MAX4544CUA+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:
- 1
- On-State Resistance (Max):
- 60Ohm
- Channel-to-Channel Matching (ΔRon):
- 800mOhm
- Voltage - Supply, Single (V+):
- 2.7V ~ 12V
- Voltage - Supply, Dual (V±):
- -
- Switch Time (Ton, Toff) (Max):
- 100ns, 75ns
- -3db Bandwidth:
- -
- Charge Injection:
- 1pC
- Channel Capacitance (CS(off), CD(off)):
- 8pF, 8pF
- Current - Leakage (IS(off)) (Max):
- 100pA
- Crosstalk:
- -90dB @ 1MHz
- Operating Temperature:
- 0°C ~ 70°C (TA)
- Grade:
- -
- Qualification:
- -
- Mounting Type:
- Surface Mount
- Supplier Device Package:
- 8-uMAX/uSOP
MAX4544CUA+T FAQ
1.How can I place an order for MAX4544CUA+T through Aetrix?
Please submit a Request for Quotation (RFQ) for MAX4544CUA+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 MAX4544CUA+T reliable?
The price and inventory of MAX4544CUA+T are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for MAX4544CUA+T is usually 5 days.
3.What payment methods are accepted for MAX4544CUA+T?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for MAX4544CUA+T transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for MAX4544CUA+T?
MAX4544CUA+T orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your MAX4544CUA+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 MAX4544CUA+T?
For technical support, including MAX4544CUA+T datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your MAX4544CUA+T requirements.
6.How does Aetrix verify that MAX4544CUA+T is sourced from the original manufacturer or authorized distributors?
All MAX4544CUA+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 MAX4544CUA+T meets industry standards.
7.What is the process for return or replacement of MAX4544CUA+T?
All MAX4544CUA+T units undergo pre-shipment inspection (PSI). If there is an issue with MAX4544CUA+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 MAX4544CUA+T part is unused and in its original packaging.
Return procedure for MAX4544CUA+T:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
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