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Analog Devices Inc./Maxim Integrated MAX4541CUA-T
- Part No.:
- MAX4541CUA-T
- Manufacturer:
- Analog Devices Inc./Maxim Integrated
- Package:
- 8-TSSOP, 8-MSOP (0.118", 3.00mm Width)
- Datasheet:
-
MAX4541CUA-T.pdf
- Description:
- IC SWITCH SPST-NOX2 60OHM 8UMAX
- Quantity:
- Payment:
- Shipping:
Inventory:3,376
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Product details
Overview
MAX4541CUA-T from Maxim Integrated is a precision dual single-pole/single-throw (SPST) analog switch with normally open (NO) configuration, designed for low-voltage signal routing in battery-powered and space-constrained systems. It operates from a single +2.7V to +12V supply, delivers 60Ω max on-resistance at +5V, 2Ω max RON matching between channels, 5pC max charge injection, and guarantees break-before-make switching only in SPDT variants (not applicable to MAX4541). It is used in audio/video switching, portable medical ultrasound front-ends, and +3V/+5V ADC/DAC interface multiplexing.
For engineers reviewing the MAX4541CUA-T datasheet, MAX4541CUA-T pinout, MAX4541CUA-T application, or MAX4541CUA-T equivalent, key selection criteria include its SOT23-8 package footprint, TTL/CMOS logic compatibility across supply voltages, guaranteed low leakage (<10nA at +85°C), fast switching (tON = 35ns typ, tOFF = 25ns typ at +5V), and channel-to-channel RON matching critical for precision instrumentation signal paths.
Technical Context
The MAX4541CUA-T implements two independent NO SPST switches in a monolithic CMOS process, with rail-to-rail analog signal handling (0V to V+) and bidirectional current capability. Its control inputs accept logic levels referenced to V+ or GND, enabling direct interfacing with microcontrollers operating at 3.3V or 5V without level-shifting.
It features internal ESD protection (>2000V per Method 3015.7), low dynamic power consumption (<5µW), and guaranteed performance over 0°C to +70°C. Unlike the MAX4543/MAX4544, it does not implement break-before-make timing-its channels switch independently with no interlock logic.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| Supply Voltage Range | +2.7V to +12V single supply - supports direct integration into 3.3V and 5V systems without auxiliary rails |
| On-Resistance (RON) | 60Ω max at +5V - ensures minimal signal attenuation and gain error in precision sensor or DAC output paths |
| RON Matching | 2Ω max between channels - enables matched gain/attenuation in differential or dual-path signal conditioning |
| Charge Injection | 5pC max - limits voltage glitch on sampled nodes in sample-and-hold or switched-capacitor circuits |
| Leakage Current | 10nA max at +85°C - preserves accuracy in high-impedance sensor interfaces and battery-monitoring inputs |
| Switching Speed | tON = 35ns, tOFF = 25ns typ at +5V - suitable for audio-band multiplexing and medium-speed data acquisition |
| ESD Protection | >2000V per Method 3015.7 - provides robust handling during board assembly and field operation |
Pinout & Package
MAX4541CUA-T is housed in an 8-pin SOT23 package (JEDEC MO-178AA, 1.50mm × 2.30mm body, 0.65mm pitch), with exposed pad not present (non-EP variant). Pin 1 is COM1, pin 2 is IN1, pin 3 is GND, pin 4 is NC2, pin 5 is COM2, pin 6 is IN2, pin 7 is V+, pin 8 is NO1 - NC1 is internally unconnected and must be left floating or tied to GND per layout best practice.
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| 1 (COM1) | Analog common terminal, Channel 1 | Bidirectional signal path; connects to NO1 when IN1 = high; must remain within 0V–V+ range |
| 2 (IN1) | Digital control input, Channel 1 | TTL/CMOS-compatible; drives internal NMOS/PMOS pair; logic high ≥2.4V at +5V supply |
| 3 (GND) | Ground reference | Return path for supply current and logic thresholds; requires low-impedance PCB connection |
| 4 (NC2) | No-connect terminal | Internally unconnected; leave unpopulated or tie to GND to reduce noise coupling |
| 5 (COM2) | Analog common terminal, Channel 2 | Independent of COM1; supports separate signal routing without crosstalk penalty |
| 6 (IN2) | Digital control input, Channel 2 | Functionally identical to IN1; no timing dependency or synchronization with IN1 |
| 7 (V+) | Positive supply input | Supplies both analog switch core and logic interface; must be bypassed with 0.1µF ceramic near pin |
| 8 (NO1) | Normally open terminal, Channel 1 | Connects to COM1 only when IN1 = high; NC1 is unused and omitted in this variant |
Key Features
| Feature | Design Value |
|---|---|
| Low on-resistance flatness | 6Ω max RON flatness over full signal range - maintains consistent gain/attenuation across 0V–V+ analog inputs |
| Ultra-low power operation | <5µW quiescent supply current - extends battery life in portable test equipment and handheld meters |
| Guaranteed low charge injection | 5pC max - reduces settling error in precision sampling applications such as medical AFEs |
| Wide supply compatibility | +2.7V to +12V single supply - eliminates need for dual-rail supplies in mixed-voltage systems |
| High ESD tolerance | >2000V HBM - improves manufacturing yield and field reliability without external protection diodes |
Applications
| Audio Signal Routing | Portable Medical Ultrasound |
|---|---|
Use Scenario: Multiplexing stereo line-in signals to a single codec in a handheld audio recorder. IC Role / Device Role: Dual SPST analog switch selecting between left/right input sources before ADC conversion. Use Value: 2Ω RON matching ensures balanced channel gain; 5pC charge injection prevents audible pop/click artifacts during switching. | Use Scenario: Routing echo-return signals from multiple transducer elements to a shared receive chain in a battery-powered ultrasound probe. IC Role / Device Role: Low-leakage, low-RON signal selector enabling time-gain compensation (TGC) path flexibility. Use Value: 10nA max leakage at +85°C preserves weak echo signal integrity; SOT23-8 footprint saves PCB area in compact probe housing. |
| +3V/+5V Data Acquisition Front-End | Industrial Sensor Interface Module |
Use Scenario: Switching between multiple thermocouple or RTD inputs to a single precision ADC in a modular DAQ system. IC Role / Device Role: Precision analog multiplexer providing matched channel resistance and minimal offset drift. Use Value: 60Ω max RON and 2Ω matching minimize gain mismatch errors; rail-to-rail analog range accommodates ±10V sensor outputs via external scaling. | Use Scenario: Isolating and routing 4–20mA loop signals or voltage outputs from pressure/flow sensors to PLC analog inputs. IC Role / Device Role: Low-power, high-reliability signal path selector in explosion-proof or remote I/O enclosures. Use Value: <5µW operation reduces self-heating in sealed housings; >2000V ESD rating withstands industrial EMI environments without failure. |
Equivalent & Alternatives
The following parts are listed as comparable options for similar dual SPST analog switch applications.
| Alternative Part | Technical Difference | Application Difference | Selection Advice |
|---|---|---|---|
| MAX4542CUA | Dual NC (normally closed) configuration - complementary logic sense vs. MAX4541CUA-T's NO topology | Suitable where default-closed signal path is required (e.g., fail-safe sensor monitoring) | Select MAX4542CUA only if system requires active-low enable behavior or default continuity without control signal |
| ADG702BRMZ | 3.3V-only supply range (+1.8V to +5.5V); 4Ω max RON at +3.3V; 15ns tON; SOT23-6 package | Better speed and lower RON at low voltage, but incompatible with 5V–12V operation and lacks 2Ω matching spec | Choose ADG702BRMZ for 3.3V-only designs prioritizing speed and ultra-low RON, not for mixed-supply or matching-critical use cases |
Compared with MAX4542CUA (NC variant) and ADG702BRMZ (3.3V-optimized), MAX4541CUA-T uniquely supports wide single-supply operation up to +12V while guaranteeing tight 2Ω RON matching - making it preferred for precision instrumentation requiring channel consistency across varying supply and temperature conditions.
Availability
MAX4541CUA-T is available at Aetrix Electronics and suitable for battery-operated systems, portable medical ultrasound front-ends, and +3V/+5V data acquisition systems requiring stable component supply, long-term lifecycle support, and RoHS-compliant packaging.
Supply support for MAX4541CUA-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) is a U.S.-based semiconductor company specializing in high-performance analog, mixed-signal, and power management ICs for industrial, communications, and consumer applications.
The MAX4541–MAX4544 family was designed specifically for low-voltage, single-supply analog signal routing in space- and power-constrained systems - emphasizing precision matching, low leakage, and robust ESD performance without requiring dual-rail supplies.
FAQ
What is the maximum supply voltage rating for MAX4541CUA-T?
The absolute maximum supply voltage for MAX4541CUA-T is +13V, but the recommended operating range is +2.7V to +12V. Exceeding +13V risks permanent damage. At +12V, RON drops to ~30Ω typ, and leakage remains within spec - making it viable for higher-voltage industrial signal conditioning where 5V switches would saturate.
Does MAX4541CUA-T support break-before-make switching?
No, MAX4541CUA-T does not implement break-before-make functionality. That feature is exclusive to the MAX4543 and MAX4544 SPDT variants. MAX4541CUA-T contains two independent NO SPST switches with no timing interlock - both channels can be on simultaneously, and transitions are asynchronous.
What is the thermal performance of MAX4541CUA-T in SOT23-8 package?
In its SOT23-8 package, MAX4541CUA-T has a thermal resistance θJA of 235°C/W (typical). At 5µW dissipation and +70°C ambient, junction temperature rise is negligible (<0.001°C). Derating begins above +70°C at 5.3mW/°C - full-rated operation is maintained up to +125°C ambient with appropriate PCB copper area.
Can MAX4541CUA-T be used with 3.3V logic control signals while powered from a 5V supply?
Yes, MAX4541CUA-T accepts 3.3V logic signals when V+ = +5V. Its logic inputs are TTL-compatible (VINH = 2.4V min, VINL = 0.8V max), so a 3.3V microcontroller GPIO meets thresholds directly. No level shifter is needed, and power consumption remains below 5µW.
Is the NC1 pin on MAX4541CUA-T required to be connected?
No, the NC1 pin on MAX4541CUA-T is internally unconnected and must not be soldered to any net. Per Maxim's datasheet, it should be left floating or optionally tied to GND to minimize capacitive coupling - but never connected to V+ or driven actively, as it has no internal function.
MAX4541CUA-T Specifications
- Product attributes
- Attribute value
- Manufacturer:
- Analog Devices Inc./Maxim Integrated
- Series:
- -
- Packaging:
- Tape & Reel (TR)
- Product Status:
- Obsolete
- Switch Circuit:
- SPST - NO
- Multiplexer/Demultiplexer Circuit:
- 1:1
- Number of Circuits:
- 2
- 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
MAX4541CUA-T FAQ
1.How can I place an order for MAX4541CUA-T through Aetrix?
Please submit a Request for Quotation (RFQ) for MAX4541CUA-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 MAX4541CUA-T reliable?
The price and inventory of MAX4541CUA-T are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for MAX4541CUA-T is usually 5 days.
3.What payment methods are accepted for MAX4541CUA-T?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for MAX4541CUA-T transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for MAX4541CUA-T?
MAX4541CUA-T orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your MAX4541CUA-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 MAX4541CUA-T?
For technical support, including MAX4541CUA-T datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your MAX4541CUA-T requirements.
6.How does Aetrix verify that MAX4541CUA-T is sourced from the original manufacturer or authorized distributors?
All MAX4541CUA-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 MAX4541CUA-T meets industry standards.
7.What is the process for return or replacement of MAX4541CUA-T?
All MAX4541CUA-T units undergo pre-shipment inspection (PSI). If there is an issue with MAX4541CUA-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 MAX4541CUA-T part is unused and in its original packaging.
Return procedure for MAX4541CUA-T:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
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