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Analog Devices Inc./Maxim Integrated MAX4544EUT
- Part No.:
- MAX4544EUT
- Manufacturer:
- Analog Devices Inc./Maxim Integrated
- Package:
- SOT-23-6
- Datasheet:
-
MAX4544EUT.pdf
- Description:
- IC SWITCH SPDT X 1 60OHM SOT23-6
- Quantity:
- Payment:
- Shipping:
Inventory:1,304
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Product details
Overview
The MAX4544EUT from Maxim Integrated is a single-pole/double-throw (SPDT) precision analog switch operating from a single +2.7V to +12V supply, delivering 60Ω max on-resistance, 5pC max charge injection, and guaranteed break-before-make switching - ideal for signal routing in battery-powered audio/video systems and portable instrumentation.
For engineers reviewing the MAX4544EUT datasheet, MAX4544EUT pinout, MAX4544EUT application, or MAX4544EUT equivalent, key selection criteria include its SOT23-6 package footprint, ±10mA continuous current rating, -40°C to +85°C industrial temperature range, and compatibility with TTL/CMOS logic across supply voltages.
Technical Context
The MAX4544EUT implements a monolithic CMOS SPDT architecture with independent control of normally open (NO) and normally closed (NC) paths via a single digital input. Its break-before-make timing (2ns min, 10ns max at +25°C) prevents signal shorting during state transitions, and internal ESD protection exceeds 2000V per Method 3015.7.
Designed for rail-to-rail analog signal handling, the device supports bidirectional signal flow across COM, NO, and NC terminals with analog voltage range spanning GND to V+, while maintaining low RON flatness (6Ω max) and tight channel matching (2Ω max) when powered from +5V.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| Supply Range | +2.7V to +12V single supply - enables direct integration into 3.3V, 5V, and 12V systems without level-shifting. |
| On-Resistance (RON) | 60Ω max at +5V - ensures minimal signal attenuation and gain error in precision signal paths. |
| Charge Injection | 5pC max - reduces voltage glitch and settling time in sample-and-hold and multiplexed ADC front-ends. |
| Turn-On/Off Time | tON = 35ns max, tOFF = 25ns max at +5V - supports high-speed signal routing up to ~10MHz bandwidth. |
| Leakage Current | 10nA max at +85°C - preserves accuracy in high-impedance sensor interfaces and battery-monitoring circuits. |
| ESD Protection | >2000V per Method 3015.7 - provides robust handling during board assembly and field operation. |
| Break-Before-Make Delay | 2ns to 10ns - eliminates transient short-circuits between NO and NC paths during switching. |
Pinout & Package
SOT23-6 package: 2.9mm × 2.8mm footprint with exposed pad (EP), rated for 571mW continuous power dissipation at +70°C ambient and 7.1mW/°C derating above.
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| 1 - NO | Normally Open switch terminal | Connects to COM only when IN = logic high; used for active-path signal routing. |
| 2 - COM | Common analog terminal | Bidirectional I/O node shared between NO and NC; handles full analog signal range (GND to V+). |
| 3 - NC | Normally Closed switch terminal | Connects to COM only when IN = logic low; provides default-path continuity in fail-safe configurations. |
| 4 - GND | Ground reference | Return path for logic inputs and substrate bias; must be low-impedance for noise immunity. |
| 5 - V+ | Positive supply input | Single power rail supporting analog and logic functions; absolute max = +13V. |
| 6 - IN | Digital control input | TTL/CMOS-compatible; drives internal switch matrix; logic high selects NO, logic low selects NC. |
Key Features
| Feature | Design Value |
|---|---|
| Guaranteed break-before-make | Prevents momentary short between NO and NC paths - critical for protecting downstream circuitry in relay-replacement applications. |
| Low 5pC charge injection | Minimizes output voltage step during switching - essential for precision sampling in medical ultrasound and data acquisition systems. |
| 6Ω max RON flatness | Maintains consistent gain and linearity across full analog signal range (0V to V+) - improves THD performance in audio routing. |
| 2Ω max RON matching | Ensures balanced channel performance in differential or dual-path configurations - supports accurate ratiometric measurements. |
| 2000V+ ESD protection | Eliminates need for external TVS diodes in handheld and field-deployable equipment - reduces BOM count and PCB area. |
Applications
| Audio Signal Routing | Portable Instrumentation |
|---|---|
|
Use Scenario: Switching between microphone and line-in inputs in Bluetooth headsets and voice recorders. IC Role / Device Role / Timing Role: SPDT analog switch selecting alternate signal sources before amplification and ADC conversion. Use Value: Low 5pC charge injection prevents audible pop/click artifacts; 60Ω RON avoids loading sensitive electret mic bias networks. |
Use Scenario: Multiplexing sensor outputs (thermocouple, RTD, strain gauge) into a shared precision ADC in handheld multimeters. IC Role / Device Role / Timing Role: Precision analog switch enabling sequential measurement of high-impedance sensors without cross-talk. Use Value: 10nA max leakage at +85°C preserves measurement integrity; 2Ω RON matching minimizes channel-to-channel gain error. |
| Medical Ultrasound Front-End | Battery-Powered Test Equipment |
|
Use Scenario: Routing echo return signals from multiple transducer elements to receive amplifiers in portable ultrasound probes. IC Role / Device Role / Timing Role: High-speed SPDT switch managing time-gated signal paths in beamforming architectures. Use Value: 35ns tON/25ns tOFF supports >10MHz pulse repetition rates; bidirectional COM/NO/NC allows flexible signal flow direction. |
Use Scenario: Configuring input ranges (±10V, ±1V, 100mV) and coupling modes (AC/DC) in handheld oscilloscopes and signal analyzers. IC Role / Device Role / Timing Role: Low-leakage analog switch enabling programmable front-end conditioning without calibration drift. Use Value: <5µW quiescent power extends battery life; 2000V ESD tolerance withstands repeated probe contact in lab environments. |
Equivalent & Alternatives
The following parts are listed as comparable options for similar SPDT analog switch applications.
| Alternative Part | Technical Difference | Application Difference | Selection Advice |
|---|---|---|---|
| MAX4543EKA-T | 8-pin SOT23-8 package; dual SPST with one NO + one NC channel; identical electrical specs but larger footprint. | Requires PCB redesign for pin count and layout; suitable when dual independent switches are needed instead of single SPDT. | Select MAX4543EKA-T only if dual-channel isolation or separate control of NO/NC paths is required. |
| ADG1419BRMZ | Analog Devices SPDT switch; 4.7Ω typical RON, 12V max supply, 10pC charge injection, MSOP-10 package. | Lower RON but higher charge injection and larger package; not drop-in compatible due to pinout and footprint mismatch. | Choose ADG1419BRMZ for ultra-low on-resistance needs where 10pC injection is acceptable and MSOP-10 layout is feasible. |
Compared with MAX4544EUT, MAX4543EKA-T offers dual-channel flexibility at the cost of board space, while ADG1419BRMZ trades higher charge injection for lower conduction loss - neither is pin-compatible, requiring layout revision and signal integrity revalidation.
Availability
MAX4544EUT is available at Aetrix Electronics and suitable for battery-operated systems, portable instrumentation, medical ultrasound front-ends, and test equipment requiring stable component supply across industrial temperature grades.
Supply support for MAX4544EUT 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 demanding industrial, medical, and communications applications.
The MAX4541–MAX4544 family was engineered specifically for low-voltage, single-supply SPST/SPDT signal routing in space-constrained portable electronics - emphasizing low power, low distortion, and robust ESD tolerance.
FAQ
What is the maximum supply voltage rating for the MAX4544EUT?
The MAX4544EUT has an absolute maximum supply voltage (V+) of +13V, with recommended operating range from +2.7V to +12V. Exceeding +13V may cause permanent damage. The device maintains specified RON, leakage, and switching performance across the full +2.7V to +12V range, making MAX4544EUT suitable for both 3.3V microcontroller interfaces and 12V industrial signal chains.
Does the MAX4544EUT support rail-to-rail analog signal switching?
Yes, the MAX4544EUT supports true rail-to-rail analog signal switching: the analog signal range spans from GND to V+, with minimal RON variation over that full range. This capability is confirmed by typical operating characteristics showing RON flatness ≤6Ω and consistent performance at VCOM = 0V and VCOM = V+. As a result, MAX4544EUT reliably passes full-scale signals in precision DAC/ADC interfaces without clipping or distortion.
Is the MAX4544EUT pin-compatible with older Maxim analog switches?
No, the MAX4544EUT is not pin-compatible with legacy Maxim switches like the MAX323 or MAX324 - those are 8-pin SO/SOT23-8 devices, while MAX4544EUT uses a 6-pin SOT23-6 package with different pin assignments. However, MAX4544EUT is functionally and electrically comparable to MAX4543 in SPDT operation, though MAX4544EUT's compact 6-pin layout requires dedicated PCB design rather than drop-in replacement.
What is the guaranteed break-before-make timing specification for the MAX4544EUT?
The MAX4544EUT guarantees a break-before-make interval of 2ns minimum to 10ns maximum at +25°C with V+ = +5V, RL = 300Ω, and CL = 35pF. This parameter is explicitly specified in the Electrical Characteristics table and validated in Figure 3b of the datasheet. The guaranteed timing ensures no overlap between NO and NC conduction paths, preventing signal shorting - a critical requirement for MAX4544EUT use in fault-tolerant sensor interfaces and power-domain isolation.
Can the MAX4544EUT operate from a +3.3V supply while maintaining TTL logic compatibility?
Yes, the MAX4544EUT operates from +3.3V and retains TTL-compatible logic thresholds: VINL ≤ 0.8V and VINH ≥ 2.4V are guaranteed across temperature. When powered from +3.3V, driving IN to 0V or 3.3V ensures reliable switching with minimal supply current (<1µA). This behavior is documented in the "Logic Levels" section and confirmed in Electrical Characteristics tables for +3.3V operation - confirming MAX4544EUT suitability for mixed-voltage 3.3V/5V systems.
MAX4544EUT Specifications
- Product attributes
- Attribute value
- Manufacturer:
- Analog Devices Inc./Maxim Integrated
- Series:
- -
- Packaging:
- Bulk
- 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:
- -40°C ~ 85°C (TA)
- Grade:
- -
- Qualification:
- -
- Mounting Type:
- Surface Mount
- Supplier Device Package:
- SOT-23-6
MAX4544EUT FAQ
1.How can I place an order for MAX4544EUT through Aetrix?
Please submit a Request for Quotation (RFQ) for MAX4544EUT 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 MAX4544EUT reliable?
The price and inventory of MAX4544EUT are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for MAX4544EUT is usually 5 days.
3.What payment methods are accepted for MAX4544EUT?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for MAX4544EUT transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for MAX4544EUT?
MAX4544EUT orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your MAX4544EUT 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 MAX4544EUT?
For technical support, including MAX4544EUT datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your MAX4544EUT requirements.
6.How does Aetrix verify that MAX4544EUT is sourced from the original manufacturer or authorized distributors?
All MAX4544EUT 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 MAX4544EUT meets industry standards.
7.What is the process for return or replacement of MAX4544EUT?
All MAX4544EUT units undergo pre-shipment inspection (PSI). If there is an issue with MAX4544EUT, 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 MAX4544EUT part is unused and in its original packaging.
Return procedure for MAX4544EUT:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
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