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Analog Devices Inc./Maxim Integrated MAX4544EUA+
- Part No.:
- MAX4544EUA+
- Manufacturer:
- Analog Devices Inc./Maxim Integrated
- Package:
- 8-TSSOP, 8-MSOP (0.118", 3.00mm Width)
- Datasheet:
-
MAX4544EUA+.pdf
- Description:
- IC SWITCH SPDT X 1 60OHM 8UMAX
- Quantity:
- Payment:
- Shipping:
Inventory:4,547
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Product details
Overview
MAX4544EUA+ from Maxim Integrated is a single-pole/double-throw (SPDT) analog switch IC designed for precision signal routing in low-voltage, single-supply systems. It operates from +2.7V to +12V, delivers 60Ω max on-resistance, 5pC max charge injection, and guarantees break-before-make switching - enabling reliable channel isolation in battery-powered instrumentation and audio routing applications.
For engineers reviewing the MAX4544EUA+ datasheet, MAX4544EUA+ pinout, MAX4544EUA+ application, or MAX4544EUA+ equivalent, key selection criteria include its SOT23-6 package footprint, guaranteed break-before-make timing (2ns–10ns), ±10mA continuous current rating, and compatibility with +3.3V/+5V logic interfaces in space-constrained analog front-ends.
Technical Context
The MAX4544EUA+ implements a CMOS transmission-gate architecture with TTL/CMOS-compatible digital inputs and bidirectional analog signal paths. Its internal structure supports rail-to-rail analog voltage handling (GND to V+) and features integrated ESD protection (>2000V per Method 3015.7).
Break-before-make operation is hardware-guaranteed for the SPDT configuration, eliminating momentary shorting between NC and NO paths during state transitions. Switching speed is supply-dependent: tON = 35ns (typ), tOFF = 25ns (typ) at +5V, scaling to ~400ns at +3.3V.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| Supply Range | +2.7V to +12V single supply - enables direct interface with Li-ion, 3.3V, and 5V system rails without level-shifting. |
| RON (max) | 60Ω at +5V - ensures minimal signal attenuation and gain error in precision sensor or DAC/ADC signal paths. |
| RON Flatness (max) | 6Ω - maintains consistent channel gain across full analog input range (0V to V+), critical for audio and video fidelity. |
| Charge Injection (max) | 5pC - limits voltage glitch on sampled nodes, supporting accurate sample-and-hold and multiplexed ADC applications. |
| tON / tOFF (typ) | 35ns / 25ns at +5V - supports high-speed signal routing in test equipment and communications baseband switching. |
| ESD Rating | >2000V HBM - provides robust handling during PCB assembly and field operation without external protection. |
| Leakage (max) | 10nA at +85°C - preserves signal integrity in high-impedance sensor interfaces and battery-monitoring circuits. |
Pinout & Package
SOT23-6 package (3.0mm × 1.7mm × 1.3mm body, 0.95mm pitch), thermally enhanced with exposed pad connected to V+ per manufacturer recommendation.
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| 1 - NO | Normally Open switch terminal | Connects to COM when IN = high; used as active signal path in SPDT routing. |
| 2 - COM | Common analog terminal | Bidirectional I/O node shared between NO and NC paths; must be routed with controlled impedance. |
| 3 - NC | Normally Closed switch terminal | Connects to COM when IN = low; provides default signal path prior to control assertion. |
| 4 - GND | Ground reference | Analog and digital ground return; requires low-inductance connection to minimize switching noise coupling. |
| 5 - V+ | Positive supply | Single power rail for analog and logic sections; connects to exposed pad for thermal performance. |
| 6 - IN | Digital control input | TTL/CMOS-compatible; drives internal gate bias - low = NC closed, high = NO closed (active-high logic). |
Key Features
| Feature | Design Value |
|---|---|
| Guaranteed break-before-make | Hardware-enforced minimum 2ns delay between NC opening and NO closing - prevents signal shorting in critical analog paths. |
| RON matching | 2Ω max difference between NC and NO channels - ensures balanced insertion loss in differential or dual-path configurations. |
| Low power consumption | <5µW quiescent - extends battery life in portable medical devices and handheld test gear. |
| Charge injection control | 5pC max - reduces settling error in high-resolution data acquisition systems using switched-capacitor architectures. |
| Wide analog signal range | GND to V+ - supports rail-to-rail signal switching without clipping in +3.3V and +5V systems. |
Applications
| Audio Signal Routing | Portable Medical Instrumentation |
|---|---|
Use Scenario: Selecting between microphone inputs or speaker outputs in compact hearing aids and ultrasound probes. IC Role / Device Role / Timing Role: SPDT analog switch providing low-noise, low-distortion signal path selection with sub-40ns switching. Use Value: 6Ω RON flatness and 5pC charge injection preserve audio fidelity and prevent audible click/pop artifacts during channel changes. | Use Scenario: Multiplexing ECG, SpO₂, and temperature sensor signals into a shared ADC front-end in wearable monitors. IC Role / Device Role / Timing Role: Precision analog switch enabling high-Z sensor interface with minimal leakage-induced offset drift. Use Value: 10nA max off-leakage at +85°C ensures stable baseline readings over extended clinical monitoring sessions. |
| Test Equipment Signal Path | Battery-Powered Data Loggers |
Use Scenario: Routing calibration references or DUT signals in handheld multimeters and automated test fixtures. IC Role / Device Role / Timing Role: Fast, low-RON SPDT switch supporting programmable gain and range selection in metrology-grade signal chains. Use Value: 35ns tON and 60Ω RON enable accurate DC/low-frequency measurements without added path uncertainty. | Use Scenario: Enabling/disabling sensor biasing and signal conditioning stages to extend multi-year battery life in environmental sensors. IC Role / Device Role / Timing Role: Ultra-low-power analog switch controlling power domain isolation in energy-harvesting nodes. Use Value: <5µW quiescent power and 100pA max leakage reduce standby current, directly extending operational lifetime. |
Equivalent & Alternatives
The following parts are listed as comparable options for similar SPDT analog switch applications.
| Alternative Part | Technical Difference | Application Difference | Selection Advice |
|---|---|---|---|
| ADG774ACBZ-REEL7 | 4.5Ω max RON at +3.3V; no break-before-make guarantee; 1.8V–5.5V supply range. | Better RON for low-voltage precision apps; lacks hardware B-B-M for fault-sensitive routing. | Select when lowest on-resistance at 3.3V is prioritized over guaranteed channel isolation timing. |
| TS5A23157DCUR | 0.9Ω max RON at +3.3V; 30ns tON; 1.65V–5.5V supply; no specified ESD rating beyond JEDEC standards. | Higher speed and lower RON, but unverified >2000V HBM ESD robustness for industrial handling. | Prefer for consumer audio where cost and RON dominate; avoid in medical/test environments requiring certified ESD resilience. |
Compared with ADG774ACBZ-REEL7 and TS5A23157DCUR, the MAX4544EUA+ trades slightly higher RON for guaranteed break-before-make timing and validated 2000V+ HBM ESD protection - making it the preferred choice for safety-critical or high-reliability analog routing where channel shorting must be physically prevented.
Availability
MAX4544EUA+ is available at Aetrix Electronics and suitable for battery-operated systems, portable medical instrumentation, and test equipment requiring stable component supply across extended product lifecycles.
Supply support for MAX4544EUA+ 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 analog switching in space-constrained, battery-sensitive systems - emphasizing low leakage, low charge injection, and guaranteed timing behavior.
FAQ
What is the maximum analog signal voltage range supported by the MAX4544EUA+?
The MAX4544EUA+ supports analog signals from GND to V+, meaning its full-range operation spans 0V up to the applied positive supply voltage (up to +12V). This rail-to-rail capability allows direct switching of signals without clipping in +3.3V or +5V systems, and is confirmed in the Electrical Characteristics table under "Analog Signal Range" with VCOM_, VNO_, VNC_ specified as 0 to V+.
Does the MAX4544EUA+ require external pull-up or pull-down resistors on its IN pin?
No, the MAX4544EUA+ does not require external pull-up or pull-down resistors on the IN pin. Its digital input is TTL/CMOS-compatible with defined VIH (2.4V min) and VIL (0.8V max) thresholds at +5V supply, and functions reliably with rail-to-rail logic drive (0V to V+). The datasheet explicitly states that driving IN rail-to-rail minimizes power consumption and ensures proper switching.
Is the MAX4544EUA+ pin-compatible with older Maxim analog switches like the MAX323?
Yes, the MAX4544EUA+ is pin-compatible with the MAX323, MAX324, and MAX325 per the datasheet's Features section. However, this applies only to the SOT23-6 footprint variants - the MAX4544EUA+ uses the same 6-pin layout and function mapping (NO/COM/NC/GND/V+/IN), enabling drop-in replacement in legacy designs where the improved specs (lower RON, guaranteed B-B-M, higher ESD) are beneficial.
What is the thermal performance limit for continuous operation of the MAX4544EUA+ in SOT23-6 package?
The MAX4544EUA+ in SOT23-6 has a maximum continuous power dissipation of 571mW at +70°C, derating linearly by 7.1mW/°C above that temperature. Its absolute maximum junction temperature is 150°C, and the storage temperature range is –65°C to +150°C. These ratings are specified in the Absolute Maximum Ratings table and assume proper PCB copper pour under the exposed pad connected to V+.
Can the MAX4544EUA+ be used with a +3.3V supply while maintaining guaranteed break-before-make timing?
Yes, the MAX4544EUA+ guarantees break-before-make timing across its full operating temperature range (–40°C to +85°C) and supply range (+2.7V to +12V), including at +3.3V. The datasheet specifies tD (break-before-make delay) as 2ns to 30ns under conditions of RL = 300Ω, CL = 35pF, and TA = +25°C - and notes this feature applies to MAX4544 devices specifically, independent of supply voltage within spec.
MAX4544EUA+ Specifications
- Product attributes
- Attribute value
- Manufacturer:
- Analog Devices Inc./Maxim Integrated
- Series:
- -
- Packaging:
- Tube
- 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:
- 8-uMAX/uSOP
MAX4544EUA+ FAQ
1.How can I place an order for MAX4544EUA+ through Aetrix?
Please submit a Request for Quotation (RFQ) for MAX4544EUA+ 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 MAX4544EUA+ reliable?
The price and inventory of MAX4544EUA+ are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for MAX4544EUA+ is usually 5 days.
3.What payment methods are accepted for MAX4544EUA+?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for MAX4544EUA+ transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for MAX4544EUA+?
MAX4544EUA+ orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your MAX4544EUA+ 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 MAX4544EUA+?
For technical support, including MAX4544EUA+ datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your MAX4544EUA+ requirements.
6.How does Aetrix verify that MAX4544EUA+ is sourced from the original manufacturer or authorized distributors?
All MAX4544EUA+ 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 MAX4544EUA+ meets industry standards.
7.What is the process for return or replacement of MAX4544EUA+?
All MAX4544EUA+ units undergo pre-shipment inspection (PSI). If there is an issue with MAX4544EUA+, 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 MAX4544EUA+ part is unused and in its original packaging.
Return procedure for MAX4544EUA+:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
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