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Analog Devices Inc./Maxim Integrated MAX4541EUA+
- Part No.:
- MAX4541EUA+
- Manufacturer:
- Analog Devices Inc./Maxim Integrated
- Package:
- 8-TSSOP, 8-MSOP (0.118", 3.00mm Width)
- Datasheet:
-
MAX4541EUA+.pdf
- Description:
- IC SWITCH SPST-NOX2 60OHM 8UMAX
- Quantity:
- Payment:
- Shipping:
Inventory:522
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Product details
Overview
MAX4541EUA+ from Maxim Integrated is a precision dual single-pole/single-throw (SPST) analog switch with normally open (NO) configuration, designed for low-voltage, single-supply operation from +2.7V to +12V. It delivers 60Ω max on-resistance, 2Ω max RON matching between channels, 5pC max charge injection, <5µW power consumption, and supports battery-powered instrumentation and signal routing in +3.3V/+5V data acquisition systems.
For engineers reviewing the MAX4541EUA+ datasheet, MAX4541EUA+ pinout, MAX4541EUA+ application, or MAX4541EUA+ equivalent, key selection criteria include guaranteed break-before-make timing (not applicable), TTL/CMOS logic compatibility, -40°C to +85°C industrial temperature range, µMAX-8 package footprint, and verified performance in sample-and-hold and audio switching circuits.
Technical Context
The MAX4541EUA+ implements two independent SPST switches with rail-to-rail analog signal handling (0V to V+) and bidirectional current flow. Its CMOS architecture ensures TTL/CMOS-compatible logic inputs across supply voltages, and internal protection diodes enable robust overvoltage tolerance up to ±0.3V beyond rails.
It operates without external biasing, supports fast switching (tON = 35ns typ, tOFF = 25ns typ at +5V), and maintains low leakage (<10nA at +85°C) and high off-isolation (-76dB typical). Unlike MAX4543/MAX4544, it does not feature break-before-make functionality.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| Supply Voltage Range | +2.7V to +12V single supply - enables direct interface with 3.3V and 5V logic and analog systems without level shifters. |
| On-Resistance (RON) | 60Ω max (33Ω typ) at +5V - ensures minimal signal attenuation and gain error in precision sensor and DAC/ADC signal paths. |
| RON Matching | 2Ω max between channels - critical for matched gain/attenuation in differential or dual-path signal conditioning. |
| Charge Injection | 5pC max - limits voltage glitch on sampled nodes in precision sample-and-hold and multiplexed ADC front-ends. |
| Leakage Current | 10nA max at +85°C - preserves accuracy in high-impedance sensor interfaces and battery-monitoring circuits. |
| Switching Speed | tON = 35ns, tOFF = 25ns (typ, +5V) - supports >10MHz multiplexing in real-time signal routing applications. |
| ESD Protection | >2000V per Method 3015.7 - provides robust handling during board assembly and field operation without external protection. |
Pinout & Package
MAX4541EUA+ is housed in an 8-pin µMAX package (3.0mm × 3.0mm, 0.8mm height), pin-compatible with industry-standard SO-8 and TDFN-8 variants. The exposed pad variant is not used in this part number.
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| 1 - NO1 | Analog Switch 1 Normally Open terminal | Connects to COM1 when IN1 = logic high; open-circuit otherwise - defines primary signal path for Channel 1. |
| 2 - COM1 | Analog Switch 1 Common terminal | Input/output node shared between NO1 and NC1; bidirectional signal path - serves as channel input or output depending on system topology. |
| 3 - IN2 | Digital Control Input 2 | TTL/CMOS-compatible logic input controlling Channel 2; active-high - enables synchronous dual-channel control with standard logic drivers. |
| 4 - GND | Ground reference | Primary return path for analog signals and supply current - must be low-impedance to minimize crosstalk and offset drift. |
| 5 - NC2 | Not Connected (open circuit) | No internal connection - left unconnected on PCB; no routing or termination required. |
| 6 - COM2 | Analog Switch 2 Common terminal | Input/output node for Channel 2; electrically isolated from COM1 - allows independent routing of two analog signals. |
| 7 - IN1 | Digital Control Input 1 | TTL/CMOS-compatible logic input for Channel 1; active-high - supports direct microcontroller GPIO interfacing without buffering. |
| 8 - V+ | Positive supply input | Single power rail for analog and digital sections - eliminates need for separate analog/digital supplies in space-constrained designs. |
Key Features
| Feature | Design Value |
|---|---|
| Low RON flatness | 6Ω max variation over full analog signal range (0V to V+) - ensures consistent gain and linearity across input voltage swing. |
| Guaranteed low leakage | 100pA max at +25°C, 10nA max at +85°C - preserves signal integrity in high-Z medical sensor and battery voltage monitoring circuits. |
| Fast, low-glitch switching | 35ns turn-on / 25ns turn-off with 5pC charge injection - minimizes settling time and sampling error in high-speed data acquisition. |
| Single-supply flexibility | Operates from +2.7V to +12V - supports direct integration into 3.3V portable devices and 5V industrial controllers without voltage translation. |
| Precision channel matching | 2Ω max RON mismatch between channels - enables accurate differential signal routing and matched filter bank implementation. |
Applications
| Battery-Powered Instrumentation | Audio Signal Routing |
|---|---|
Use Scenario: Portable multimeter front-end selecting between voltage, current, and resistance measurement paths under 3.3V battery power. IC Role / Device Role / Timing Role: Dual SPST analog switch routing sensor signals to ADC input while maintaining low power and high accuracy. Use Value: 5µW quiescent power extends battery life; 60Ω RON and 2Ω matching ensure calibrated measurement repeatability across ranges. |
Use Scenario: Consumer audio codec selecting between microphone inputs, line-in sources, and headphone outputs in a smartphone baseband IC. IC Role / Device Role / Timing Role: Low-distortion analog switch enabling clean signal path selection without pop/click artifacts. Use Value: 5pC charge injection prevents audible clicks; -76dB off-isolation suppresses crosstalk between mic and speaker paths. |
| Medical Sensor Interfaces | Industrial Data Acquisition |
Use Scenario: ECG front-end multiplexing multiple electrode leads into a single high-resolution ADC channel. IC Role / Device Role / Timing Role: Precision dual switch providing matched gain paths and ultra-low leakage for biopotential signal integrity. Use Value: 10nA max leakage at +85°C avoids baseline drift; rail-to-rail analog range accommodates ±2.5V ECG signals directly. |
Use Scenario: PLC analog I/O module switching between thermocouple, RTD, and 4–20mA sensor inputs to shared signal conditioning circuitry. IC Role / Device Role / Timing Role: Industrial-grade analog multiplexer handling 0–10V and ±10V signals with stable RON over temperature. Use Value: 6Ω RON flatness ensures linear response across full input span; -40°C to +85°C rating supports harsh factory environments. |
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 |
|---|---|---|---|
| MAX4542EUA+ | Identical package and pinout; dual SPST with normally closed (NC) configuration instead of NO. | Suitable where default-closed signal path is required (e.g., fail-safe sensor disconnect). | Select MAX4542EUA+ only if NC behavior is needed; electrical specs and thermal performance match MAX4541EUA+ exactly. |
| ADG702BRMZ-REEL | 4.5V max supply, 4Ω RON, 1.8ns switching, but rated only to +85°C and lacks 2000V ESD rating. | Better speed and RON for low-voltage, high-speed apps; unsuitable for 12V systems or high-ESD environments. | Choose ADG702BRMZ-REEL for sub-5V, high-frequency routing; retain MAX4541EUA+ for wide-supply, ruggedized, or industrial-temp use. |
Compared with MAX4542EUA+, MAX4541EUA+ provides normally open default state essential for safety-critical signal gating; versus ADG702BRMZ-REEL, it offers broader supply range (+2.7V to +12V), higher ESD immunity (>2000V), and guaranteed industrial temperature operation - making it preferable for battery-powered test equipment and factory automation.
Availability
MAX4541EUA+ is available at Aetrix Electronics and suitable for battery-operated instrumentation, medical sensor interfaces, and industrial data acquisition requiring stable component supply across extended temperature ranges and long production lifecycles.
Supply support for MAX4541EUA+ 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 markets.
The MAX4541–MAX4544 family was engineered for precision, low-power analog signal routing in space-constrained, single-supply systems - targeting portable test gear, medical devices, and industrial sensors where leakage, RON matching, and supply flexibility are critical.
FAQ
What is the maximum supply voltage rating for MAX4541EUA+?
The MAX4541EUA+ has an absolute maximum supply voltage of +13V, with recommended operating range from +2.7V to +12V. Operation above +12V risks exceeding safe operating area limits and may degrade long-term reliability. All electrical specifications in the datasheet are validated within the +2.7V to +12V range, including RON, leakage, and switching speed.
Does MAX4541EUA+ support break-before-make switching?
No, MAX4541EUA+ does not implement break-before-make functionality. That feature is explicitly reserved for MAX4543 and MAX4544 variants per the datasheet's "Features" section and truth tables. MAX4541EUA+ uses independent SPST NO switches with no interlocked timing - both channels can be on simultaneously, and transitions are asynchronous.
What is the analog signal voltage range supported by MAX4541EUA+?
MAX4541EUA+ supports rail-to-rail analog signals from GND to V+, meaning the full range is 0V to the applied positive supply voltage (e.g., 0V to +5V or 0V to +12V). This is confirmed in the "Analog Signal Range" parameter table and "Applications Information" section, which states signals "ranging over the entire supply voltage" are switched with minimal RON variation.
Is MAX4541EUA+ pin-compatible with older Maxim analog switches?
Yes, MAX4541EUA+ is pin-compatible with MAX323, MAX324, and MAX325 per the datasheet's "Features" list. All share identical µMAX-8 pinout: V+, IN1, COM2, NC2, GND, IN2, COM1, NO1. However, note that MAX323/MAX324/MAX325 operate only up to +6V and lack the 2000V ESD rating and low-leakage performance of MAX4541EUA+.
What package type is used for MAX4541EUA+ and what are its key mechanical dimensions?
MAX4541EUA+ uses the µMAX-8 package (package code N), measuring 3.0mm × 3.0mm × 0.8mm with 0.65mm lead pitch. Per Maxim's Package Information (page 13), the body dimensions are D = 2.90–3.10mm, E = 2.90–3.10mm, and A = 0.70–0.80mm - compatible with standard SO-8 footprints using appropriate land pattern design rules for µMAX thermal and soldering requirements.
MAX4541EUA+ Specifications
- Product attributes
- Attribute value
- Manufacturer:
- Analog Devices Inc./Maxim Integrated
- Series:
- -
- Packaging:
- Tube
- Product Status:
- Active
- 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:
- -40°C ~ 85°C (TA)
- Grade:
- -
- Qualification:
- -
- Mounting Type:
- Surface Mount
- Supplier Device Package:
- 8-uMAX/uSOP
MAX4541EUA+ FAQ
1.How can I place an order for MAX4541EUA+ through Aetrix?
Please submit a Request for Quotation (RFQ) for MAX4541EUA+ 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 MAX4541EUA+ reliable?
The price and inventory of MAX4541EUA+ are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for MAX4541EUA+ is usually 5 days.
3.What payment methods are accepted for MAX4541EUA+?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for MAX4541EUA+ transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for MAX4541EUA+?
MAX4541EUA+ orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your MAX4541EUA+ 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 MAX4541EUA+?
For technical support, including MAX4541EUA+ datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your MAX4541EUA+ requirements.
6.How does Aetrix verify that MAX4541EUA+ is sourced from the original manufacturer or authorized distributors?
All MAX4541EUA+ 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 MAX4541EUA+ meets industry standards.
7.What is the process for return or replacement of MAX4541EUA+?
All MAX4541EUA+ units undergo pre-shipment inspection (PSI). If there is an issue with MAX4541EUA+, 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 MAX4541EUA+ part is unused and in its original packaging.
Return procedure for MAX4541EUA+:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
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